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1 Chiltern Green Flackwell Heath Buckinghamshire HP10 9AJ

23/06666/CLPCertificate of Lawfulness - Proposed UseApproved
Outline / PiP

Approved on 10 October 2023

Council decision: Grant Certificate - Proposed DevelopmentDelegated (officer decision)

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 rear dormer window and insertion of front rooflight

Received
30 June 2023
Decision level
Delegated (officer decision)
Council
Wycombe
Ward
Former Flackwell Heath, Little Marlow & SE
  1. Received30 Jun
  2. Validated30 Jun
  3. Consult.
  4. Target25 Aug
  5. Decided10 Oct

Decided in 102 days (council typically 63)

About this application

This is an outline application for a dormer extension at 1 Chiltern Green Flackwell Heath Buckinghamshire HP10 9AJ. Wycombe has handled 1,057 applications of this type. This one was decided in 102 days, 6 weeks longer than Wycombe's typical decision time. There has been 1 other application at this address. We hold 2,526 applications in total for the HP10 postcode area.

76% of outline applications at Wycombe were approved. Across all application types, the council typically decides in about 9 weeks (median).

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

Application details

Postcode
HP10 9AJ
Application type
Certificate of Lawfulness - Proposed Use
Scale / size
Small
Parish
Chepping Wycombe Parish Council

Planning application dates

Date validated
30 June 2023
Target decision date
25 August 2023

Applicant and agent

Agent address
Little Cedar 12 A Chapel Road Flackwell Heath High Wycombe HP10 9AA United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-12279774
Documents
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Former Wycombe Rural District - Poultry Production
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, tree preservation orders, 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.

Associated applications

  1. 2023
    30 Jun

    Householder application for construction of single storey side/rear extension and conversion of garage to…

    ApprovedFull ApplicationFiled alongside23/06665/FUL
  2. 2023
    30 Jun

    Certificate of lawfulness for proposed rear dormer window and insertion of front rooflight

    This applicationApprovedOutline23/06666/CLP

Source: Wycombe

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