Windsor & Maidenhead Council approves 81.8% of planning applications, based on 4,321 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 85.0%. Windsor & Maidenhead sits 3.2 percentage points below the national average.
According to PlanningLens analysis of 4,321 decided applications on record (January 2020 to September 2026), Windsor & Maidenhead Council approved 81.8% of planning applications. The national average approval rate across UK councils tracked by PlanningLens is 85.0%.
Source: PlanningLens (planninglens.co.uk) analysis of Windsor & Maidenhead council planning portal records · Data to 29 September 2026 · Quote freely with attribution
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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 Type | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| Full | 3,051 | 647 | 3,698 | 82.5% |
| Trees | 1,344 | 126 | 1,470 | 91.4% |
| Other | 723 | 212 | 935 | 77.3% |
| Certificate of Lawfulness | 672 | 189 | 861 | 78.0% |
| Discharge of Conditions | 775 | 86 | 861 | 90.0% |
| Listed Building | 225 | 37 | 262 | 85.9% |
| Advertisement | 94 | 18 | 112 | 83.9% |
| Prior Approval | 7 | 2 | 9 | 77.8% |
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, your free property report is emailed in minutes.
Check My PostcodeWard-level data reveals where planning applications are most and least likely to succeed. Officers, local policies, and neighbourhood character all play a role.
| Ward | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| Eton And Castle | 769 | 125 | 894 | 86.0% |
| Bisham And Cookham | 688 | 97 | 785 | 87.6% |
| Ascot & Sunninghill | 553 | 129 | 682 | 81.1% |
| Hurley And Walthams | 584 | 84 | 668 | 87.4% |
| Datchet Horton And Wraysbury | 439 | 167 | 606 | 72.4% |
| Bray | 494 | 103 | 597 | 82.7% |
| Sunningdale And Cheapside | 445 | 104 | 549 | 81.1% |
| Riverside | 307 | 55 | 362 | 84.8% |
| Old Windsor | 271 | 56 | 327 | 82.9% |
| St Marys | 281 | 31 | 312 | 90.1% |
| Clewer And Dedworth West | 243 | 53 | 296 | 82.1% |
| Clewer East | 240 | 44 | 284 | 84.5% |
| Belmont | 241 | 42 | 283 | 85.2% |
| Boyn Hill | 227 | 38 | 265 | 85.7% |
| Clewer And Dedworth East | 220 | 45 | 265 | 83.0% |
| Pinkneys Green | 232 | 32 | 264 | 87.9% |
| Oldfield | 204 | 42 | 246 | 82.9% |
| Furze Platt | 205 | 39 | 244 | 84.0% |
| Cox Green | 212 | 26 | 238 | 89.1% |
How Windsor & Maidenhead’s planning approval rate has changed year by year, down 5.0pp since 2020.
Bar height reflects approval rate. Colour: green ≥85%, amber ≥70%, red below 70%.
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.
| Reference | Proposal | Decision |
|---|---|---|
| 26/02020/FULL Bray | Detached annexe ancillary to the main dwelling. | Approved |
| 26/01799/FULL Ascot & Sunninghill | Construction of 2 no. detached dwellings (self build), widening of the existing | Refused |
| 26/01751/FULL Bisham And Cookham | Single storey side/rear extension and alterations to fenestration. | Approved |
| 26/01658/FULL Bisham And Cookham | New front porch, two storey side extension, single storey side infill extension | Approved |
| 26/01582/FULL Datchet Horton And Wraysbury | Detached garage, store and rear canopy, following demolition of existing garage | Approved |
| 26/01338/TPO Cox Green | (T1) Cherry - prune to give up to 1.5m clearance to the side elevation of the ho | Approved |
| 26/01004/LBC St Marys | Consent for external works to including repair, repointing and replacement of br | Approved |
| 26/01921/FULL Furze Platt | Garage conversion, single storey side/front extension with new mono pitched roof | Refused |
| 26/01855/FULL Pinkneys Green | First floor side/rear extension and alterations to fenestration. | Approved |
| 26/01776/FULL Bray | Single storey side extension, 1 no. side dormer and alterations to fenestration | Approved |
Find out what actually gets approved near your address first. Your free property report analyses the 20 nearest decisions to your property, ward-specific refusal patterns, and extension-by-extension approval patterns. Based on Windsor & Maidenhead's 4,321 real decisions. Free, emailed in minutes.
Check my postcodeCompare Windsor & Maidenhead's planning approval rates with neighbouring areas:
Dig deeper into Windsor & Maidenhead's planning statistics, by ward, extension type, or project category:
Data-driven guides to help you understand planning approval patterns:
Yes. PlanningLens offers a free planning permission check for Windsor & Maidenhead. Enter your postcode to instantly see approval rates for your ward and application type, based on 4,321 real decisions from Windsor & Maidenhead council. The full property-specific report is also free and emailed within minutes.
Enter your postcode on PlanningLens for a free instant check based on Windsor & Maidenhead's real planning decisions. The free property report goes further: it analyses the 20 nearest comparable decisions to your property, ward-level refusal patterns, and approval rates by application type. Free and emailed within minutes.
Based on 4,321 planning decisions, the overall approval rate in Windsor & Maidenhead is 81.8%. The national average across councils tracked by PlanningLens is 85.0%. Rates vary significantly by ward and application type.
PlanningLens has analysed 4,321 planning decisions from Windsor & Maidenhead council. 3,536 were approved and 785 were refused. These figures cover every decision on record for the council, January 2020 to September 2026.
The average approval rate in Windsor & Maidenhead is 81.8%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the free PlanningLens postcode check to get a personalised score.
Writing about planning in Windsor & Maidenhead? These figures are free to republish with attribution. Copy the one-line citation, or paste the stat box into any website, CMS or newsletter, it carries its own styling and links back to this page for verification.