Lammas House 2 St Christophers Close Little Kingshill Buckinghamshire HP16 0DU Data via plota.co.uk

PL/26/06782/FA - Full Application Refused

Proposal

Part two storey, part single storey side / rear extension, first floor rear extension and single storey side extension Data via plota.co.uk

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View original council record ↗Last checked 27 Oct 2026, 13:08

Street View

Application progress

✓

Received

27 Aug 2026

✓

Consultation

4 Sept 2026

✗

Refused

22 Oct 2026

Appeal

Not lodged

Refused on 22 Oct 2026 · Delegated Decision · Last checked 23 Oct 2026

Documents 3

Decision & officer reports 2

PDF CASE OFFICER REPORT DELEGATED Case Officer Report · 22 Oct 2026 View ↗ PDF DECISION Decision Notice · 22 Oct 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form and Certificate · 24 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 6

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 Named permitted development rights are withdrawn here.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.

Also on the record

Radon affected area, class 3; Inside the Little Kingshill built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.

Not affected

Outside flood zones 2 and 3 · No listed building at the site · 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 area106 m² (1,141 sq ft)

Energy ratingC (70 out of 100), could reach B

PropertyDetached house, 6 habitable rooms

Built1967 to 1975

HeatingBoiler and radiators, mains gas

WallsCavity wall, filled cavity

From the energy performance certificate lodged in January 2022, 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: HP16 0DU
Received: 27 Aug 2026
Validated: 27 Aug 2026
Ward: The Missendens
Parish: Little Missenden
Case officer: Show
Target decision: 22 Oct 2026
Decision: Refused
Decision date: 22 Oct 2026
Decision level: Delegated Decision
Applicant: Show
Agent: Authorised Designs Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Refused, as 17% of extensions here are.

This one56d

Council56d

UK55d

54%decided within 8 weeks

83%approved

2,231decided 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 23 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours: 4 Sept 2026
Consultation: 4 Sept 2026
Comments by: 25 Sept 2026
Statutory expiry: 22 Oct 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.