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Cite as: [2018] EWCA Civ 1304

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		Neutral Citation Number: [2018] EWCA Civ 1304
		Case No: C1/2017/0688

IN THE COURT OF APPEAL (CIVIL DIVISION)

Royal Courts of Justice
Strand, London, WC2A 2LL

8 June 2018

B e f o r e :

Lord Justice Davis
Lord Justice Underhill
and
Lord Justice Lindblom
____________________

Between:

	R. (on the application of Oates)	Claimant
	- and -
	Wealden District Council	Defendant
	- and -
	Catesby Estates Ltd.	Interested Party

____________________

Ms Saira Kabir Sheikh Q.C. and Mr Hugh Flanagan (instructed by Thomson Snell
and Passmore LLP) for the Claimant
Mr Richard Langham (instructed by Sharpe Pritchard LLP) for the Defendant
Mr Rupert Warren Q.C. (instructed by Eversheds Sutherland (International) LLP)
for the Interested Party
Hearing date: 7 March 2018
____________________

HTML VERSION OF JUDGMENT
____________________

Lord Justice Lindblom:

Introduction

Was a local planning authority's decision to grant planning permission for a development of housing unlawful because it was made on a false understanding of regulation 123 of the Community Infrastructure Levy Regulations 2010 ("the CIL regulations")? That is the basic question in this claim for judicial review.

The claimant, Mrs Helen Oates, challenges the decision of the defendant, Wealden District Council, on 14 October 2016, to grant outline planning permission for a development of up to 390 dwellings at Brodricklands and Hamlands Farm, Willingdon, in East Sussex. The application site is about 32 hectares of farmland, to the north of the village of Lower Willingdon and to the south of the village of Polegate, outside the development boundaries of those two settlements, and not allocated for development in the development plan. It lies next to the administrative boundary between the district of Wealden and the borough of Eastbourne. The application for outline planning permission was made by the interested party, Catesby Estates Ltd., on 3 May 2016. All matters except for access were reserved for future determination. Access was proposed from St Martin's Road and Dutchells Way.

Mrs Oates' home is next to the site. She objected to Catesby Estates' proposal. Her claim for judicial review was issued on 25 November 2016. Permission was refused on the papers by Dove J. on 31 January 2017. The renewed application for permission was refused by H.H.J. Jarman Q.C., sitting as a deputy judge of the High Court, at a hearing on 8 March 2017. Mrs Oates sought permission to appeal against that decision. On 9 November 2017 I granted permission to apply for judicial review on a single ground, and ordered that the claim be retained for determination in this court – under CPR 52.15(3) and (4) (now CPR 52.8(5) and (6)).

The issue in the claim

The main issue in the claim, as the parties agree, is whether the advice given by the district council's Principal Planning Officer (Majors) to the Planning Committee South when it considered the proposal at its meeting on 13 October 2016 materially misled the members on the effect of regulation 123, and on the acceptability of the likely impact of traffic generated by the development on local junctions, invalidating the grant of planning permission.

The statutory regime for Community Infrastructure Levy ("CIL")

CIL is a standard charge imposed on development by a local planning authority. It is used to fund infrastructure – including roads – the need for which is created by development. The statutory scheme provides for a "charging authority" to approve a "charging schedule" for its area, setting the rates at which CIL is to be chargeable in respect of the cost of the infrastructure that is to be funded by CIL (see the first instance judgment in R. (on the application of Fox Strategic Land and Property Ltd.) v Chorley Borough Council [2014] J.P.L. 1152, at paragraphs 9 to 25). Section 205(2) of the Planning Act 2008 identifies the "overall purpose" of the statutory regime for CIL as being "to ensure that costs incurred in supporting the development of an area can be funded (wholly or partly) by owners or developers of land in a way that does not make development of the area economically unviable". Section 208(3) provides that "[a] person who assumes liability for CIL before the commencement of development becomes liable when development is commenced in reliance on planning permission". Under regulation 31(3) of the CIL regulations, liability to make CIL payments arises only when the chargeable development is commenced.

The relationship of the statutory arrangements for CIL to the statutory provisions for planning conditions under sections 70(1) and 72 of the Town and Country Planning Act 1990, for planning obligations under section 106 of the 1990 Act, and for highway agreements under section 278 of the Highways Act 1980, is dealt with in regulations 122 and 123 of the CIL regulations. Regulation 122 limits the use of planning obligations. It provides that "[a] planning obligation may only constitute a reason for granting planning permission for the development if the obligation" is "(a) necessary to make the development acceptable in planning terms", and "(b) directly related to the development", and "(c) fairly and reasonably related in scale and kind to the development" (paragraph (2)). As amended by the Community Infrastructure Levy (Amendment) Regulations 2014, regulation 123 provides:

"123. – Further limitations on use of planning obligations

(1) This regulation applies where a relevant determination is made which results in planning permission being granted for development.

(2) A planning obligation may not constitute a reason for granting planning permission for the development to the extent that the obligation provides for the funding or provision of relevant infrastructure (including, subject to paragraph (2B), through requiring a highway agreement to be entered into).

(2A) Subject to paragraph (2B) a condition falling within either of the following descriptions may not be imposed on the grant of planning permission –

(a) a condition that requires a highway agreement for the funding or provision of relevant infrastructure to be entered into;

(b) a condition that prevents or restricts the carrying out of development until a highway agreement for the funding or provision of relevant infrastructure has been entered into.

…

(2B) Paragraphs (2) and (2A) do not apply in relation to highway agreements to be entered into with –

(a) the Minister, for the purposes of section 1(1) of the 1980 Act;

(b) Transport for London; or

(c) a strategic highways company for the time being appointed under Part 1 of the Infrastructure Act 2015.

(3) Other than through requiring a highway agreement to be entered into, a planning obligation ("obligation A") may not constitute a reason for granting planning permission to the extent that –

(a) obligation A provides for the funding or provision of an infrastructure project or provides for the funding or provision of a type of infrastructure; and

(b) five or more separate planning obligations that –

(i) relate to planning permissions granted for development within the area of the charging authority; and

(ii) which provide for the funding or provision of that project or provide for the funding or provision of that type of infrastructure,

have been entered into on or after 6th April 2010.

(4) In this regulation –

…

"funding" in relation to the funding of infrastructure, means the provision of that infrastructure by way of funding;

…

"relevant determination" means –

(a) in relation to paragraph (2), a determination made on or after the date when the charging authority's first charging schedule takes effect …

… ; and

"relevant infrastructure" means –

(a) where a charging authority has published on its website a list of infrastructure projects or types of infrastructure that it intends will be, or may be, wholly or partly funded by CIL … , those infrastructure projects or those types of infrastructure;

…".

Government policy

Paragraph 32 of the National Planning Policy Framework ("the NPPF"), in a section containing policies for "Promoting sustainable transport", states:

"32. All developments that generate significant amounts of movement should be supported by a Transport Statement or Transport Assessment. Plans and decisions should take account of whether:

…

improvements can be undertaken within the transport network that cost effectively limits the significant impacts of the development. Development should only be prevented or refused on transport grounds where the residual cumulative impacts of development are severe.

…".

In the part of the NPPF devoted to "Plan-making", under the heading "Ensuring viability and deliverability", paragraphs 175 and 176 state:

"175. Where practical, [CIL] charges should be worked up and tested alongside the Local Plan. The [CIL] should support and incentivise new development, particularly by placing control over a meaningful proportion of the funds raised with the neighbourhoods where development takes place.

176. Where safeguards are necessary to make a particular development acceptable in planning terms (such as environmental mitigation or compensation), the development should not be approved if the measures required cannot be secured through appropriate conditions or agreements. …".

In the part of the NPPF headed "Decision-taking", under the sub-heading "Planning conditions and obligations", paragraphs 203, 204 and 206 state:

"203. Local planning authorities should consider whether otherwise unacceptable

development could be made acceptable through the use of conditions or

planning obligations. Planning obligations should only be used where it is not

possible to address unacceptable impacts through a planning condition.

204. Planning obligations should only be sought where they meet all of the

following tests:

necessary to make the development acceptable in planning terms;

directly related to the development; and

fairly and reasonably related in scale and kind to the development.

…

206. Planning conditions should only be imposed where they are necessary,

relevant to planning and to the development to be permitted, enforceable,

precise and reasonable in all other respects."

Relevant advice on good practice is given in the Planning Practice Guidance.

The district council's CIL charging schedule

The district council adopted a CIL charging schedule in November 2015. Appendix A, the "Regulation 123 List", refers to regulation 123 of the CIL regulations, which, it says "restricts the use of planning obligations for the provision of infrastructure that will be funded in whole or in part by the [CIL]", and that the "[infrastructure] types or projects that are listed below will not be secured through planning obligations". It explains that "[this] is to ensure there is no duplication between CIL and planning obligations secured through s106 agreements in funding the same infrastructure projects". In Table 6, the list of "Infrastructure projects/types to be funded wholly or partly by CIL (by CIL Chargeable development)" includes "Improvements to release additional road capacity and road safety measures, including public transport provision in the Parishes of Hailsham, Hellingly, Polegate, Willingdon and Jevington and Westham, Uckfield and the Strategic Road Network". In Table 7, the list of "Infrastructure projects/types to be funded through s106 contributions (by CIL chargeable development)", includes "Improvements to release additional road capacity and road safety measures in all Parishes except Hailsham, Hellingly, Polegate, Willingdon and Jevington and Westham, Uckfield and within the Lewes District Council area and the Strategic Road Network".

East Sussex County Council's responses to consultation on the proposal

When first consulted on Catesby Estates' proposal, East Sussex County Council, as highway authority, objected. In its response to consultation dated 24 June 2016, which had been prepared by its Director of Communities, Economy and Transport, it said:

"I recommend that consent be refused for the following reasons:

1. The identified improvements to mitigate the impact of the development on the highway network are required prior to development commencing in the area. The implementation and timing of the required improvements cannot be guaranteed. Without these improvements congestion on the main highway network will increase as will 'rat running' through adjacent residential streets all of which will introduce additional hazards on the highway. Additional delays will also affect the reliability of bus services.

2. The suggested improvements for junctions not included in the CIL schedule are not considered adequate to mitigate the impacts of the development on the highway leading to additional congestion."

Under the heading "Planning Status", it said:

"This site is not identified for development in the adopted Wealden Local Plan … .

Through the development of the Wealden & Eastbourne Local Plans it was acknowledge[d] that highway capacity, particularly in the Willingdon/Polegate area was a barrier to further development without appropriate improvements to the highway network.

Through the transport studies carried out it was concluded that sufficient improvements could be made in the Polegate/Willingdon area to mitigate the impact of up to 700 houses in the area."

On "Transport Modelling", it said:

"Due to the size of the proposals the impact on the highway network has been assessed on both the local and strategic road network. In order to test this development it was agreed between the applicant and ESCC that the proposals should be tested through the existing [South Wealden and Eastbourne Transport Study ("SWETS")] transport model. This model includes all committed developments in the Wealden & Eastbourne Local Plans as well as expected background traffic growth up to 2027.

…".

Under the heading "Junction Assessments & Mitigation", it said:

"…

Traffic modelling clearly shows that currently expected or planned growth for the Polegate, Stone Cross, Willingdon and Eastbourne areas will significantly increase traffic pressures on the local and strategic road networks, particularly the following junctions close to the development:

the A27, A22 and A2270 signalised junction;

the A2270 and High Street signalised junction;

the A22 and A27 Cophall Roundabout[.]

It is therefore considered that improvements at all these junctions must be delivered if future planned development is to occur without unacceptable movement and access conditions developing and planned bus service enhancements being undermined or threatened by existing strategic bottlenecks. Without improvements on the main roads, increased traffic flows would most likely lead to increased rat running on side roads in the area increasing hazards.

The Wealden Infrastructure Delivery Plan identifies these junction improvements to be essential to the delivery of the Wealden Core Strategy Local Plan. It is also mentioned that the works to the strategic road network are required before development commences on land at South Polegate and East of Willingdon.

It is noted that the applicant would be paying the appropriate CIL contribution towards infrastructure delivery. This does not however ensure that the required junction improvements will be delivered or within the timescale required before any development is occupied. It is further noted that for junctions under the control of Highways England funding is available from the £75m provided by central government for improvements. These are currently being considered but construction is not due to commence until 2020 with completion by 2022 based on the current programme.

The mitigation currently proposed also only takes account of the level of development considered through the Local Plan, i.e. 700 houses plus commercial development. Should this application be approved then additional mitigation would be required to allow for additional development in the area over and above the 700 dwelling ceiling or if further mitigation is not possible then the number of dwellings on the adjacent allocated site would need to be reduced accordingly to no more than 310 dwellings.

The results from the SWETS modelling carried out for the applicant give expected traffic flows. These have then been used to carry out individual junction analysis. This has demonstrated that a number of the junctions considered will operate over capacity while most will operate within capacity. Some of these junctions are those already identified as needing mitigation measures and are on the CIL list, others are not.

The junctions identified that are not currently within the CIL lists are:

Willingdon Park Drive/Decoy Drive Crossroads

Kings Drive/Decoy Drive Mini Roundabout

A2270/Huggetts Land Traffic signal junction[.]

The applicant proposes to carry out alterations to the A2270/Huggetts Lane junction to improve capacity but does not propose any alterations at the remaining junctions. The Highway Authority considers that the development should mitigate the impacts it creates particularly at the Kings Drive/Decoy Drive mini roundabout.

It is noted that there is concern about increased traffic in the vicinity of Hampden Park Level Crossing as this area suffers from significant congestion when the level crossing gates are closed. It is therefore beyond the [applicant's] control to mitigate against this."

The "Conclusion" was this:

"The Highway Authority recommend that this application be refused as the required mitigation will not be delivered in the timescales required but should the Planning Authority be minded to approve the application then we request that the conditions below are attached to any consent along with a [section] 106/278 agreement securing the following items:

Design & Implementation of a Traffic Calming Scheme for Hazelwood Avenue

Improvements to bus stops in Hazelwood Avenue in the form of high level kerbing, bus shelters, real time information signs and new flags/timetable posts.

A Residential Travel Plan including an audit fee of £6000.

…".

A second consultation response, dated 24 August 2016 and again prepared by the Director of Communities, Economy and Transport, noted that "[the] response from the Highway Authority previously recommended refusal" for two reasons. But in quoting from the consultation response of 24 June 2016, it added this further sentence at the end of the first reason:

"… The totality of this unmitigated impact is considered to be severe as per paragraph 32 of the NPPF … ."

It continued:

"Following a meeting between the applicant, their agents and the County Council to discuss our concerns, a letter was sent in response on the 1^st August. This outlined their view of the planning and highways context of the site in relation to the improvements outlined for the area, as well as more detailed information on the mitigation measures not included on the CIL list.

In essence the argument presented was that the primary reason for refusal was not considered valid as where highways infrastructure improvements are set out in a CIL list … that infrastructure can only be provided through the payment of a CIL contribution. The timing of the delivery of the improvements is also not within the developer's control. A requirement that the improvements are delivered prior to development is therefore inconsistent with the items being on the CIL list. Therefore in paying the CIL contributions the developer is doing everything that can be asked of them in terms of mitigation for those items on the CIL list.

Legal advice on this matter has also been sought. It has been confirmed that the case set out by the applicant was sound and the reason for refusal initially recommended could not be sustained, as there is no legal mechanism for the developer to deal with the required mitigation measures previously identified, other than through paying the CIL charge.

The letter from the applicant also included more detailed consideration for the three junctions identified which sit outside of the CIL list at A2270/Huggetts Lane junction, Kings Drive[/]Decoy Drive mini roundabout and the Willingdon Park Drive/Decoy Drive junction.

This confirmed that alterations to the Huggetts Lane junction can be made and the applicant is willing to fund/carry out these works as part of any consent.

A contribution has been suggested to mitigate the additional impact at the Kings Drive/Decoy Drive mini roundabout which is acceptable. …

Lastly, the Willingdon Park Drive/Decoy Drive [junction] was considered. … On the basis that safe mitigation cannot be provided the applicant has instead suggested an enhanced travel demand strategy (e.g. extra bus vouchers for residents) which under the circumstances is acceptable.

On the basis of the above the level of mitigation for the junction [sic] not covered by CIL is acceptable."

Much of the assessment that had appeared under the heading "Junction Assessments & Mitigation" in the previous response was presented in identical terms, but some of it was different. After the passage referring to the three junctions close to the site of the proposed development – "the A27, A22 signalised junction[,] the A2270 and High Street signalised junction … [and] the A22 and A27 Cophall Roundabout" – for which "improvements … must be delivered if future planned development is to occur without unacceptable movement and access conditions developing …", it stated:

"The Wealden Infrastructure Delivery Plan identifies these junction improvements to be essential to the delivery of the Wealden Core Strategy Local Plan[.]

It is noted that the applicant would be paying the appropriate CIL contribution towards infrastructure delivery as discussed previously in these comments. It is also noted that for junctions under the control of Highways England funding is available from the £75m provided by central government for improvements. These are currently being considered but construction is not due to commence until 2020 with completion by 2022 based on the current programme."

As for the "junctions … that are not currently within the CIL lists" – the "Willingdon Park Drive/Decoy Drive Crossroads[, the] Kings Drive/Decoy Drive Mini Roundabout [and the] A2270/Huggetts Lane Traffic signal junction" – it said this:

"The proposed mitigation at these junctions has … already been covered in these comments."

And as for the "concern about increased traffic in the vicinity of Hampden Park Level Crossing", it said:

"The applicant has recognised this as far as possible and will implement a travel demand strategy for the proposed development. …".

The "Conclusion" now was this:

"On the basis of the additional information provided and legal opinion, the original recommendation for refusal is withdrawn as with the main junction improvements being in the CIL list there is no legal mechanism to secure these works separately or control their timing. In paying the CIL charge the applicant is doing all they can be asked to do in this regard.

Further acceptable mitigation is also proposed for junctions not included in the CIL schedule.

The other items also considered at this stage such as access are acceptable as they meet the set national and local standards.

It is therefore considered that a severe cumulative impact will not be created on the highway network (with the appropriate mitigation) and as such the proposal is in accordance with the requirements of the National Planning Policy Guidance.

The Highway Authority request that the conditions below are attached to any consent along with a legal agreement to secure the following items:

…".

Three further "items" were now added to the list in the previous response:

Design & Implementation of improvements to the A2270/Huggets Lane junction

A £10,000 contribution towards Traffic Regulation Orders.

A £1,000 contribution towards mitigation at the Decoy Drive/Kings Drive mini roundabout."

The district council's decision to grant planning permission

The application for planning permission first went before the district council's Planning Committee South at its meeting on 15 September 2016. The committee resolved to defer its consideration of the proposal until after it had undertaken a site visit. The site visit took place on 30 September 2016. The application came back before the committee at its meeting on 13 October 2016. At that meeting the committee received the advice of the Principal Planning Officer (Majors) in a lengthy report, in which she recommended that planning permission be granted, subject to a number of conditions. The committee accepted that recommendation, and planning permission was duly granted.

In the "Executive Summary" of her report the officer said:

"…

The site is contrary to Saved Policies GD2 and DC17 of the adopted Wealden Local Plan 1998, by virtue of its location outside the development boundary as set out on the proposals map of that plan.

… It is considered that the lack of a 5-year housing land supply and the provision of housing to meet local needs, both in terms of market and affordable provision is a significant and important consideration in the scheme's favour and therefore is given significant weight.

…

… Having regard to Paragraph 32 of the NPPF, the likely residual cumulative impact of development is not considered to be 'severe', and therefore there are no reasons in transport terms to justify a refusal. CIL contributions from the proposed development can be utilised for improvements within Wealden District Council's Charging Area and those improvements directly related to the access provision have been conditioned. …

Concerns about impacts on existing infrastructure and services are not considered to weigh against the proposal. The development will be liable to CIL payments which will provide significant revenue to the Council's revolving infrastructure fund that can then be utilised to assist in providing additional services for the area, with the improvements to the A27 being identified as a priority in the Council's Regulation 123 List.

To conclude, the development accords with the relevant planning Policies in the adopted development plan with the exception of the two Policies GD2 and DC17, which for the reasons set out in the main report, are given very limited weight.

Subject to conditions it is recommended that full planning permission is GRANTED."

The officer recorded the responses to consultation of statutory bodies and local residents, including the first and second responses of the county council as highway authority, which she quoted in full. Highways England had "concluded that they have no objections ([in] the understanding that the appropriate contribution is provided to Wealden, in line with the Council['s] Regulation 123 which states that CIL contributions received within the District will be used, inter alia, to fund wholly or partly: "Improvements to release additional road capacity and road safety measures, including public transport provision … and the Strategic Road Network" …)". The objection of Eastbourne Borough Council was also referred to, including its Planning Committee's "severe concerns over the local highway network and whether it would cope". The officer commented on those concerns, reminding the committee that "ESCC Highways and Highways England have raised no objections to the robustness of the Transport Assessment or the assumptions and modelling underpinning the assessment".

In section 4 of her report, "Details of Case", the officer set out her assessment of the proposal on its planning merits. One of the "main issues" she identified was "(e) The effect of the proposed additional traffic generated on the free flow of traffic and conditions in relation to the safety of highway users" (paragraph 4.5.1).

In subsection 4.16, "Traffic Impact and Access", she considered the likely effects of traffic generated by the development on the local road network. She referred to the Polegate Movement and Access Strategy of November 2013, which had "highlighted that the A2270 running into Eastbourne is very heavily congested and the junction of the A27, A22 and A2270 remains busy". She said that development in Polegate, Stone Cross and Willingdon, and further afield in Eastbourne, Hailsham and Hellingly "will place increasing demands on the strategic road network". She then mentioned six junctions where "[traffic] modelling shows that currently expected or planned growth for the Polegate, Stone Cross and Willingdon area will significantly increase traffic pressures on the local and strategic road networks …" (the second paragraph 4.16.11). She identified improvements that had been designed in outline for three of those junctions that were "of particular relevance to the consideration of the … application". These were the "[signalisation] scheme for the A22 and A27 Cophall Roundabout (Highways England trunk road junction)", the "[extra] lanes and increased flaring for the A27, A22 and A2270 signalised T Junction (Highways England trunk road junction)", and the "[extra] lanes and left filter lanes for the A2270, High Street and Wannock Lane signalised crossroads (ESCC junction)" (the second paragraph 4.6.12). She then said (in paragraph 4.16.13):

"4.16.13 The Council's Infrastructure Delivery Plan identifies these three junctions as key junction improvements that are essential to the Wealden Core Strategy Plan. Delivery of the improvements however is dependent on the timing of development coming forward in terms of need and funding."

The officer acknowledged the "fundamental principle" in paragraph 7.2 of the core strategy that "development that generates a need for infrastructure or enhancements to existing infrastructure will only be permitted if the necessary infrastructure to support it is either already in place, or there is a reliable mechanism to ensure that it will be provided at the right time, when it is needed" – a principle "embodied" in Policy WCS7 of the core strategy (paragraph 4.16.14).

She said that the three junctions to which she had referred had "already been earmarked for future improvement works by East Sussex County Council and Highways England, and are set out in the Wealden District Council Infrastructure Delivery Plan (IDP), with Community Infrastructure Levy funding (plus other funding sources, … including contributions from the Non Statutory Local Plan Sites towards trunk road junctions)". She pointed out that "[the] IDP refers to delivery of these junction improvements in and around 2016 and 2017", but that it was "recognised that delivery of the identified improvement schemes would be dependent on development related CIL receipts" (paragraph 4.16.15).

She continued (in paragraph 4.16.16):

"4.16.16 The applicant would be paying the appropriate CIL contribution towards infrastructure delivery. It is acknowledged that this does not necessarily ensure that the required junction improvements will be delivered within the timescale required before any development is occupied, which was a concern originally raised by ESCC Highways in their first consultation response when they objected to the application on this basis. The timing of the delivery of the improvements however is not within the developer's control. A requirement that the highway improvements are delivered prior to development is inconsistent with the highways improvements being on the CIL list. In paying the CIL contributions the developer is doing everything that can be asked of them in terms of mitigation for those items on the CIL list. County have subsequently withdrawn their objections, following legal advice that this was not a sustainable reason for refusal. Notwithstanding the above, the Council has been clear that the provision of improvements to the A27 is of strategic importance and would be a priority for CIL spends. Furthermore, Highways England who controls two of these junctions has raised no objection as the development will be CIL liable."

She went on to refer to the funding that was in place for various highway improvements in the area and the likely funding arrangements for them and timescale for their delivery. The South East Local Enterprise Partnership had "agreed funding of £4m from its Growth Fund towards key Highway improvements in the Polegate area, including improvements to the A27/A22 junctions". There were, in addition, "over £2.2m contributions agreed through Section 106 towards Trunk Road Improvements", and "over 400k agreed for [Local Sustainable Accessibility Improvement Contributions] improvements in the area" (paragraph 4.6.17). The junctions under the control of Highways England were due for "completion by 2022 based on the current programme" (paragraph 4.16.18). Under the Department for Transport's Road Investment Strategy for 2015/16 to 2019/20, "£75 [million] has … been allocated towards local access and safety improvements along the A27 between Polegate and Lewes". The officer referred to current discussions between the Department for Transport, Highways England, the county council and "the A27 Reference Group" about "longer term improvements to the A27 and associated junctions …" (paragraph 4.16.19).

She concluded (in paragraph 4.16.20):

"4.16.20 In the event that this application was approved, and having regard to the timescales associated with the preparation and submission of a reserved matters application(s) and discharge of conditions combined with the lead in time for on-site preparations and construction, it is considered that first occupations would be unlikely for at least three years. Based on a delivery rate of 75 dwellings per annum for the application site the impact from the development would be incremental taking over 5 years for the application site to be built out and occupied which would be after the anticipated date for the Highways England works to the trunk roads to have been completed. It is noted that the submitted Economics Benefits Statement refers to a 48 month construction period, which seems ambitious compared to the historic build out trends associated with new development to date in the district, however based on this timescale and again allowing for the remaining consents process, even then the development would only be completed by 2022. The Core Strategy shows indicative delivery of the Mornings Mill site between 2019 and 2027. It is however noted that in the Council's recent five year land supply assessment (March 2016) the delivery of housing from the Mornings Mill Farm has not been included within the five year period to 2021. Whilst the Mornings Mill site may start delivering housing earlier, the cumulative impact of completed dwellings with the application site is still likely to be less than the 700 units allocated in the Core Strategy by 2022."

She then referred to the three "remaining junctions identified as being affected" – the "Willingdon Park Drive/Decoy Drive Crossroads", the "Kings Drive/Decoy Drive Mini Roundabout" and the "A2270/Huggetts Lane Traffic signal junction" (paragraph 4.16.21). She told the committee that "[the] applicant proposes to carry out alterations to the A2270/Huggetts Lane junction to improve capacity and mitigate potential impacts of the proposed development to achieve a nil detriment situation by increasing the existing two lane flare by 15m from 25m to 40m" (paragraph 4.16.22). She went on to say (in paragraph 4.16.23):

"4.16.23 The CIL Regulations place restrictions on the use of planning obligations and conditions where a local authority has an infrastructure list. Planning obligations and conditions should not be used to require a developer to enter into agreements to provide items that appear on the charging authority's Regulation 123 list. The Council's Regulation 123 states that CIL contributions received within the District will be used, inter alia, to fund wholly or partly: "Improvements to release additional road capacity and road safety measures, including public transport provision in the Parishes of Hailsham, Hellingly, Polegate, Willingdon and Jevington and Westham, Uckfield and the Strategic Road Network"[.] In this context, having regard to Regulation 123, the Council could not utilise [section] 106 contributions to make additional provision for improvements to Huggetts Lane as this would be called 'double dipping'. This junction and any necessary improvements would be covered by the payment of CIL from the development."

Turning to the other two junctions, the officer reminded the committee that they both "sit within the administrative boundary of Eastbourne Borough Council and are not covered by Wealden's CIL as they do not sit within the Council's charging area" (paragraph 4.16.24). She said that "[the] Highway Authority has … confirmed that mitigation improvements are not required to the Willingdon/Decoy Drive priority crossroads but that minor improvements are required to Kings Drive/Decoy Drive mini roundabout as a result of the development". She acknowledged that "[the] applicants [had] suggested a proportionate financial contribution for the costs of these minor works, equating to a total sum of £1,000, which would nullify the impact of the development proposals". But she concluded that, "[having] regard to the conclusion that this minor mitigation would not change capacity, … these works are not necessary to make the development acceptable in planning terms" (paragraph 4.16.25).

She dealt next with several other matters that did not, in her view, justify refusing planning permission – including "concerns about increased traffic in the vicinity of Hampden Park Level Crossing" (paragraph 4.16.27).

She came then to government policy in paragraph 32 of the NPPF. She quoted the policy (paragraph 4.16.29), and the corresponding guidance in the Planning Practice Guidance (paragraph 4.16.30). She then gave the committee this advice (in paragraph 4.16.31):

"4.16.31 With reference to paragraph 32 of [the NPPF], the Transport Assessment considers that the likely residual cumulative impact of development is not considered to be 'severe', and therefore concludes that there are no reasons in transport terms to justify a refusal. [Officers] concur with this conclusion and where improvements are required CIL contributions from the proposed development can be utilised for improvements within Wealden District Council's Charging Area and those improvements directly related to the access provision have been conditioned[.]"

Finally in this subsection of her report, the officer said (in paragraph 4.16.32):

"4.16.32 East Sussex County Council in their second consultation confirm that "[…] a severe cumulative impact will not be created on the highway network (with the appropriate mitigation) and as such the proposal is in accordance with the requirements of the National Planning Policy Guidance"."

In subsection 4.25, "Sustainability", she said that "[satisfactory] highway access can be achieved without detriment to highway safety …", and that "[the] development is liable to the CIL levy which will be used to fund the necessary infrastructure improvements".

In section 5, "Conclusion", where she brought together the main conclusions in her planning assessment, the officer repeated the advice she had already given (in paragraph 4.16.31), that "[with] reference to paragraph 32 of [the NPPF], the likely residual cumulative impact of development is not considered to be 'severe', and therefore there are no reasons in transport terms to justify a refusal" (paragraph 5.1.7).

Transcripts of the committee meetings that took place on 15 September 2016 and 13 October 2016 are before us. They record the representations made to the committee, including those made on behalf of Catesby Estates, and by objectors – including Mrs Oates, the planning officers' oral advice, the observations made on behalf of the county council as highway authority, and the members' discussion of the planning merits of the proposed development, which included consideration of the likely effects of traffic from the development on the road network, and the funding and provision of the relevant junction improvements.

The minutes of the October 2016 committee meeting record the committee's resolution that outline planning permission was to be granted, subject to conditions. Explaining that decision, the minutes state:

"… [It] is concluded that any considerations that weigh against the development collectively do not significantly and demonstrably outweigh those matters that are in its favour, namely the delivery of housing, for the reasons that are set out in detail in the main body of the report. … With reference to paragraph 32 of [the NPPF], the likely residual cumulative impact of development is not considered to be 'severe', and therefore there are no reasons in transport terms to justify a refusal. …"

and

"… ESCC Highways and Highways England have raised no objections to the robustness of the Transport Assessment or the assumptions and modelling underpinning the assessment.