Cead Mile Failte Speen Road North Dean Buckinghamshire HP14 4NH Data via plota.co.uk

PL/26/04601/FA - Full Application Approved

Proposal

Erection of single storey rear infill extension, side dormer extension, associated changes to existing fenestration and widening of existing dropped kerb. Data via plota.co.uk

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View original council record ↗Last checked 7 Oct 2026, 06:32

Street View

Application progress

✓

Received

around 5 Jun 2026

✓

Consultation

20 Jul 2026

✓

Approved

31 Jul 2026

Approved on 31 Jul 2026 · Delegated Decision · Last checked 26 Sept 2026

Documents 4

Site constraints 8

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

Former Wycombe Rural District - 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 Named permitted development rights are withdrawn here.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; Conservation area 49 m away: Upper North Dean; 1 listed building within 150 m.

Not affected

Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. 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.

Building

Floor area122 m² (1,313 sq ft)

Energy ratingE (42 out of 100), could reach C

PropertySemi-detached house, 4 habitable rooms

Built1900 to 1929

HeatingBoiler and radiators, oil

WallsTimber frame, as built, no insulation (assumed)

From the energy performance certificate lodged in October 2024, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council: Buckinghamshire
Application type: Full Application
Postcode: HP14 4NH
Received: around 5 Jun 2026
Validated: 5 Jun 2026
Ward: Ridgeway East
Parish: Hughenden
Case officer: Show
Target decision: 31 Jul 2026
Decision: Approved
Decision date: 31 Jul 2026
Decision level: Delegated Decision
Applicant: Show
Agent: Arcline Architecture

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 82% of extensions here are.

This one56d

Council56d

UK55d

54%decided within 8 weeks

82%approved

2,226decided in the last year

Plota live figures for extensions decided by Buckinghamshire in the last twelve months, from validation. Buckinghamshire decision record →

Public comments

1comment received

1 objecting

2 neighbours consulted · Last counted 26 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours: 18 Jun 2026
Consultation: 20 Jul 2026
Comments by: 30 Jul 2026
Statutory expiry: 31 Jul 2026
Env. assessment: No

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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.

Cead Mile Failte Speen Road North Dean Buckinghamshire HP14 4NH Data via plota.co.uk

Proposal

Application progress

Documents 4

Decision & officer reports 2

Statements & assessments 1

Application forms 1

Site constraints 8

Building

Other new applications on this street

Nearby new applications

Important details

How this decision compares

Public comments

Consultation & key dates