Round Copse Alleyns Lane Cookham Maidenhead SL6 9AE
Proposal
Non material amendments to planning permission 24/00494/FULL for changes to ground floor roof overhangs to be supported by beams and posts or with additional posts, alterations to fenestration on ground and first floor and additional windows to gable ends in roof-space, and insertion of rooflight in flat-top roof. Alterations to chimneys and 3no additional flues.
- Received
- 28 May 2026
- Target decision date
- 24 June 2026
- Ward
- Bisham And Cookham
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.
- ReceivedSubmitted28 May
- ValidatedValidated28 May
- Consult.Consultation
- TargetTarget Date24 Jun
- DecidedDecided
This is an application to amend a permission at Round Copse Alleyns Lane Cookham Maidenhead SL6 9AE. Windsor has handled 172 applications of this type and approves 64% of them, typically deciding them in 29 days. It was submitted on 28 May 2026 and is still awaiting a decision. The site is in a conservation area. There have been 3 other applications at this address. In the past year there have been 121 applications across Bisham And Cookham. We hold 1,954 applications in total for the SL6 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Windsor
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Planning history at this site
3 other applications at this property, newest first.
- 20262 Sep
Non material amendments to planning permission 24/01755/FULL
RefusedNon-material amendment26/02161/NMA - 20262 Mar
Details required by Condition 6 (BNG Calculations) and Condition 7 (Biodiversity Enhancements) of planning…
ApprovedDischarge of conditions26/00579/CONDIT - 202411 Jul
Non material amendments to planning permission 24/00494/FULL
ApprovedNon-material amendment24/01682/NMA
Planning constraints
Designations that overlap or adjoin the site outline.
- Green belt: Windsor and Maidenhead
- Ancient woodland: (Epoch 2-3: Round Copse)Next to the site
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: conservation areas, Article 4 directions and tree preservation orders. Ask the council if these matter.
Also checked, none recorded (19)
flood storage areas, listed buildings, 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, 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 2026-10-09. 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.
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