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35 Black Acre Close Amersham Buckinghamshire HP7 9EW

PL/26/06271/SACertificate of Lawful Use - ProposedRefused
Outline / PiP

Refused on 30 September 2026

Council decision: Cert of Law PROPOSED-refusedDelegated (officer decision)2 reasons for refusal

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Certificate of lawfulness for proposed single-storey rear extension to the existing detached dwelling.

Received
5 August 2026
Decision level
Delegated (officer decision)
Public comments
0 · last counted 2 October 2026
Ward
Amersham and Chesham Bois
  1. Received5 Aug
  2. Validated5 Aug
  3. Consult.
  4. Target30 Sep
  5. Decided30 Sep

Decided in 56 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 35 Black Acre Close Amersham Buckinghamshire HP7 9EW. Buckinghamshire has handled 827 applications of this type. This one was decided in 56 days. There has been 1 other application at this address. In the past year there have been 226 applications across Amersham and Chesham Bois. We hold 2,558 applications in total for the HP7 postcode area.

73% of outline applications at Buckinghamshire Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Why it was refused

  1. The proposed development fails to comply with all of the criteria set out in Class f, j and ja of Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015, as amended. Consequently, it is not permitted development and will require the submission of a planning application.
  2. Condition 8 of planning permission CH/1999/0147/FA expressly removes permitted development rights for development falling within classes A to C of Part 1, Schedule 2. To the extent that the proposal comprises development falling within those classes, it cannot benefit from permitted development rights by reason of that condition. Accordingly, the proposed development requires an application for planning permission to the Local Planning Authority.

From the council's decision notice.

Application details

Postcode
HP7 9EW
Application type
Certificate of Lawful Use - Proposed
Scale / size
Small
Parish
Amersham

Planning application dates

Date validated
5 August 2026
Target decision date
30 September 2026

Planning decision

Statutory period
56 days

Additional information

Documents
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Whole District excluding the Town of Chesham - Poultry production.
  • Tree Preservation Order: TPO/1988/017Part of the site
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Buckinghamshire

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