Winterdown Stone House Lane Cookham Maidenhead SL6 9TP
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 to determine whether the proposed 2no. outbuildings incidental to the main dwelling, rear terrace, rear patio with hot tub, new pond to replace existing swimming pool, hardstanding and landscaping are lawful.
- Received
- 18 February 2026
- Decision due
- 15 April 2026
- Ward
- Bisham And Cookham
- ReceivedReceived18 Feb
- ValidatedValidated18 Feb
- Consult.Consultation
- TargetTarget Date15 Apr
- DecidedDecided
Have your say
About this application
This is an outline application at Winterdown Stone House Lane Cookham Maidenhead SL6 9TP. Windsor has handled 644 applications of this type. It has been with the council since 18 February 2026 and is still awaiting a decision. The site is in a conservation area. There has been 1 other application at this address. In the past year there have been 129 applications across Bisham And Cookham. We hold 2,124 applications in total for the SL6 postcode area.
67% of outline applications at Royal Borough of Windsor and Maidenhead 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
Application details
- Postcode
- SL6 9TP
- Application type
- Cert of Lawfulness of Proposed Dev
- Scale / size
- Small
- Parish
- Cookham Parish
Planning application dates
- Date validated
- 18 February 2026
Applicant and agent
- Agent address
- James Smith Landscape And Garden Design Ltd 1 Whiskin Lane Aylesbury HP219B
Planning decision
- Statutory period
- 56 days
Additional information
- Planning Portal ID
- PP-14704417
- Documents
- 6
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)Part of the site
- Green belt: Windsor and Maidenhead
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 (20)
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, 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.
Planning history at this site
2 other applications at this property, newest first.
Source: Windsor
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Around this site
Nearby applications
- Winterdown And Land To The Rear of Winterdown Stone House Lane Cookham Maidenhead SL6 9TP26/02096/CLU · OutlineAwaiting decision0.0 mi
- Coney Meadow Spade Oak Reach Cookham Maidenhead SL6 9RQ23/02951/FULL · FullRefused0.1 mi
- Green Banks Stone House Lane Cookham Maidenhead SL6 9TP25/03303/VAR · ConditionsAwaiting decision0.1 mi
- Little River House Stone House Lane Cookham Maidenhead SL6 9TP26/00953/TCA · TreesAwaiting decision0.1 mi
- Winter Bank Stone House Lane Cookham Maidenhead SL6 9TP25/02755/TCA · TreesApproved0.1 mi
For applicants and trades
Before the decision
You may need a flood risk assessment. Drainage & flood risk consultants near this site
The site is in flood zone 3 (Environment Agency).
- 11.0 miUxbridge
- 12.8 miReading
- 17.3 miWallingford
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
Find contractors for landscaping & driveways near this site- Lynford homesVerifiedBuckinghamshireNew Builds8.4 mi
- Powerlink ElectricalElectrician0.7 mi
- Scorpio Electrical LtdElectrician1.0 mi
- Protim Solignum Ltd, Koppers Performance ChemicalsTrainingCoatings And Impregnation1.0 mi
Planning something similar?
See what the council approved and refused for outbuildings and garden rooms on your street. Pick your home and get the evidence before you pay for drawings.