Horseshoe House 114 Sheerstock Haddenham Buckinghamshire HP17 8EX Data via plota.co.uk

PL/26/05496/FA - Full Application Approved

Proposal

Single storey rear extension with associated internal alterations. Data via plota.co.uk

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View original council record ↗Last checked 7 Oct 2026, 20:20

Street View

Application progress

✓

Received

21 Jul 2026

✓

Consultation

28 Jul 2026

✓

Approved

1 Sept 2026

Approved on 1 Sept 2026 · Delegated Decision · Last checked 2 Sept 2026

Documents 5

Site constraints 3

Radon affected area, class 6

An estimated 30% or more of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.

From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.

UKHSA radon ↗

Also on the record

Inside the Haddenham (Buckinghamshire) built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 2, but it predates the buildings here and the current map does not class it as farmland.

Not affected

Outside flood zones 2 and 3 · Not green belt · No listed building 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.

Sales history 2

Last sold for £745,000 in April 2023. Detached house, freehold.

14 April 2023£745,000

24 March 2017£440,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area169 m² (1,819 sq ft)

Energy ratingC (71 out of 100), could reach B

PropertyDetached house, 7 habitable rooms

Built1976 to 1982

HeatingBoiler and radiators, mains gas

WallsCavity wall, filled cavity

From the energy performance certificate lodged in September 2022, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

22 May 2026Approved

152 Sheerstock Haddenham Buckinghamshire HP17 8EX

Certificate of lawfulness for the proposed single storey rear extension

PL/26/04234/SA

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8 Sept 2026Pending

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Important details

Council: Buckinghamshire
Application type: Full Application
Postcode: HP17 8EX
Received: 21 Jul 2026
Validated: 21 Jul 2026
Ward: Haddenham and Stone
Parish: Haddenham
Case officer: Show
Target decision: 15 Sept 2026
Decision: Approved
Decision date: 1 Sept 2026
Decision level: Delegated Decision
Applicant: Show
Agent: Wolstenholme Limited

How this decision compares

Decided in 42 days from validation, 14 days faster than Buckinghamshire's median of 56 for extensions. Approved, as 82% of extensions here are.

This one42d

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

No public comments yet.

6 neighbours consulted · Last counted 2 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours: 28 Jul 2026
Consultation: 28 Jul 2026
Comments by: 18 Aug 2026
Statutory expiry: 15 Sept 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.