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28 Sedgmoor Road Flackwell Heath Buckinghamshire HP10 9AU

20/08101/CLPCertificate of Lawfulness - Proposed UseApproved
Outline / PiP

Approved on 25 January 2021

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 construction of single storey side and rear extension

Received
21 November 2020
Decision level
Delegated (officer decision)
Council
Wycombe
Ward
Former Flackwell Heath, Little Marlow & SE
Agent
Lewandowski Architects Ltd
  1. Received21 Nov
  2. Validated25 Nov
  3. Consult.
  4. Target20 Jan
  5. Decided25 Jan

Decided in 61 days (council typically 63)

About this application

This is an outline application for a rear extension at 28 Sedgmoor Road Flackwell Heath Buckinghamshire HP10 9AU. Wycombe has handled 1,057 applications of this type. This one was decided in 65 days. There have been 4 other applications at this address. We hold 2,525 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 9AU
Application type
Certificate of Lawfulness - Proposed Use
Scale / size
Small
Parish
Chepping Wycombe Parish Council

Planning application dates

Date validated
25 November 2020
Target decision date
20 January 2021

Applicant and agent

Agent
Lewandowski Architects Ltd
Architect profile
LEWANDOWSKI ARCHITECTS LIMITED
Agent address
First Floor Rafts Court Brocas Street Eton Berkshire SL4 6RF

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-09242624
Documents
15

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. 2020
    23 Nov

    Prior approval application (Part 1, Class AA) for construction of additional storey to create first floor…

    RefusedH/holder Add Storeys AA pt 1Filed alongside20/08122/PAHAS
  2. 2020
    21 Nov

    Certificate of lawfulness for proposed construction of single storey side and rear extension

    This applicationApprovedOutline20/08101/CLP

Source: Wycombe

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