Land From North Of Frith Hill To The South Of Leather Lane, Great Missenden, Buckinghamshire Data via plota.co.uk

Decided PL/25/3897/HS2

Council

Date received

around 19 Sept 2025

Date validated

19 Sept 2025

Description

In accordance with the requirements of Paragraphs 2 and 3 of Schedule 17 to the High-Speed Rail (London - West Midlands) Act 2017, the nominated undertaker hereby requests approval of PLANS AND SPECIFICATIONS relating to the following development authorised by the Act: - South Heath Cutting (Part Of) Railway Track Alignment (Scheduled Work No. 2/14); - Permanent landscape earthworks (contours); - 6 no. drainage basins (earthworks only); - Drainage ditches (earthworks only); - Headwalls; - 4 no. newt pond (earthworks only); - Location of permanent fencing; - Location of permanent Vehicle Restraint System (VRS); - GMI/12 Overbridge Footway structure: finishing and appearance details - Diversion of GMI/2; GMI/12 and GMI/13 and related permanent earthworks; and - Pedestrian access to the railway lines, including maintenance access stairs, handrails and working platforms for GMI/2 Accommodation Overbridge and GMI/12 Footway Overbridge. Data via plota.co.uk

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Last checked 14 Oct 2026, 03:19

Site constraints 7

Green belt: London

Inappropriate development needs very special circumstances.

Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.

Read the government guidance ↗

Chilterns National Landscape

Great weight to conserving the landscape; major development restricted.

Previously an area of outstanding natural beauty, which is still the designation in law. Since 2023 authorities must seek to further its purpose, not merely have regard to it.

Article 4 direction

Whole District excluding the Town of Chesham - Poultry production.. Named permitted development rights are withdrawn here.

An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.

Agricultural land, grade 3a

Best and most versatile land (grades 1, 2 and 3a). Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. Natural England's Provisional ALC map (1:250,000, 1970s) agrees.

Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.

Habitat network: Network Enhancement Zone 2

Where habitat is joined up enough to work as a network. Context, not a constraint on its own.

Also on the record

Radon affected area, class 3; Scheduled monument about 231 m away: Moated site in Chalkdell Wood, 100m north west of Frith Hill House.

Not affected

Outside flood zones 2 and 3

Checked on 17 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Buckinghamshire

Planning Authority Score

1.3/10

Poor

#284 of 296 councils

Relevant to this application:

Householder decisions

Buckinghamshire is one of the slowest councils in England for householder decisions, ranking #280 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).

Among the slowest councils in England

for householder decisions

These figures are council-wide context, not a prediction for this application. View full council performance

Buckinghamshire decision statistics

Based on MHCLG data, the year to March 2026

84%

Overall approval rate

Below avg (87%) #217 of 296

86%

Householder approved

Below avg (90%) #241 of 296

34%

Decided in 8 weeks

Below avg (63%) #280 of 296

55%

Extended time limit

Above avg (41%) #248 of 296

76%

Minor dwellings approved

491 decided (1-9 homes)

82%

Major dwellings approved

71 decided (10+ homes)

82%

Change of use approved

131 decided

4,446

Total decisions

690 refused in the year to March 2026