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Planning Permission in Windsor & Maidenhead: 85.2% Approval Rate

Windsor & Maidenhead Council approves 85.2% of planning applications, based on 6,575 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 87.9%. Windsor & Maidenhead sits 2.7 percentage points below the national average.

6,575 decisions analysed·Updated April 2026·Every result links to the original council record
85.2%
Approval rate
6,575
Decisions
5,601
Approved
974
Refused
Postcodes served by Windsor & Maidenhead: RG42, SL4, SL5, SL6, TW19, TW20

How Does Windsor & Maidenhead Decide Applications?

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Approval Rates by Application Type in Windsor & Maidenhead

Not all applications are treated equally. Extension types, listed building consent, and change of use applications each have very different success rates in Windsor & Maidenhead.

Application TypeApprovedRefusedTotalRate
Full2,6154923,107
84.2%
Trees1,085991,184
91.6%
Other575160735
78.2%
Certificate of Lawfulness539139678
79.5%
Discharge of Conditions54249591
91.7%
Listed Building18129210
86.2%
Advertisement63669
91.3%
See how this applies to your postcode →

These are averages. Your property is specific.

A loft conversion in one ward can have a 90% approval rate. In the next ward, 55%. The free check tells you which side you're on.

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Planning Approval Rates by Ward in Windsor & Maidenhead

Ward-level data reveals where planning applications are most and least likely to succeed. Officers, local policies, and neighbourhood character all play a role.

Ward variation in Windsor & Maidenhead: St Marys has the highest approval rate at 92.6%, while Bray Ward sits at 60.0%. That 32.6 percentage point gap matters — where your property sits can shift your odds significantly.
WardApprovedRefusedTotalRate
Eton And Castle62876704
89.2%
Bisham And Cookham54261603
89.9%
Ascot & Sunninghill469100569
82.4%
Hurley And Walthams46654520
89.6%
Datchet Horton And Wraysbury345138483
71.4%
Bray38175456
83.6%
Sunningdale And Cheapside36073433
83.1%
Riverside24142283
85.2%
Old Windsor22445269
83.3%
Clewer East20938247
84.6%
St Marys22418242
92.6%
Clewer And Dedworth West20139240
83.8%
Boyn Hill20232234
86.3%
Belmont19735232
84.9%
Clewer And Dedworth East18136217
83.4%
Furze Platt18529214
86.4%
Pinkneys Green18426210
87.6%
Cox Green17319192
90.1%
Oldfield15832190
83.2%
Bray Ward325
60.0%
See full ward breakdown →

Recent Planning Decisions in Windsor & Maidenhead

Real residential planning decisions from Windsor & Maidenhead council. Each reference links to the council's own planning portal so you can verify the details yourself.

ReferenceProposalDecision
21/03763/FULL
Oldfield
Conversion of the existing store with new roof and alterations to fenestration.Approved
22/00096/TPO
Clewer East
(G1) Conifer Hedge Row - reduce height to approx 2ft above fence height in orderApproved
21/03750/FULL
Eton And Castle
Part demolition and rebuilding of the existing chimney stack.Approved
21/03751/LBC
Eton And Castle
Consent for part demolition and rebuilding of the existing chimney stack.Approved
21/03703/FULL
Sunningdale And Cheapside
First floor rear glazed extension to enclose the existing balcony.Approved
21/03682/FULL
Eton And Castle
Consent to renew roof covering in natural slate, rebuild one chimney stack and rApproved
21/03736/FULL
Cox Green
Erection of a side boundary wall (Retrospective).Approved
21/03702/FULL
Datchet Horton And Wraysbury
Garage conversion.Approved
22/00103/NMA
Hurley And Walthams
Non material amendments to planning permission 20/03437/FULL for the alteration Approved
21/03692/FULL
Clewer And Dedworth West
Single storey rear extension, following demolition of the existing rear lean-to.Approved

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Planning Data for Nearby Councils

Compare Windsor & Maidenhead's planning approval rates with neighbouring areas:

Explore Windsor & Maidenhead's Planning Data

Dig deeper into Windsor & Maidenhead's planning statistics — by ward, extension type, or project category:

Planning Guides

Data-driven guides to help you understand planning approval patterns:

Frequently Asked Questions: Planning in Windsor & Maidenhead

What is the planning approval rate in Windsor & Maidenhead?

Based on 6,575 planning decisions, the overall approval rate in Windsor & Maidenhead is 85.2%. The national average across councils tracked by PlanningLens is 87.9%. However, rates vary significantly by ward and application type.

How many planning applications have been decided in Windsor & Maidenhead?

PlanningLens has analysed 6,575 planning decisions from Windsor & Maidenhead council. 5,601 were approved and 974 were refused. These figures cover decisions from January 2020 to the present.

How are planning applications decided in Windsor & Maidenhead?

The average approval rate in Windsor & Maidenhead is 85.2%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the PlanningLens free postcode check to get a personalised score.

About Windsor & Maidenhead Planning Data: This analysis draws on 6,575 planning decisions published by Windsor & Maidenhead council. Every application is classified as approved or refused based on the council's own decision wording. Withdrawn applications and procedural outcomes are excluded. Approval rates vary between wards, application types, and time periods. For full details on how we collect and analyse data, see our methodology →
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