Windsor & Maidenhead Council approves 84.3% of planning applications, based on 7,447 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 88.3%. Windsor & Maidenhead sits 4.0 percentage points below the national average.
According to PlanningLens analysis of 7,447 decided applications published since January 2020, Windsor & Maidenhead Council approved 84.3% of planning applications. The national average approval rate across UK councils tracked by PlanningLens is 88.3%.
Source: PlanningLens (planninglens.co.uk) analysis of Windsor & Maidenhead council planning portal records · Updated June 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 | 2,828 | 578 | 3,406 | 83.0% |
| Trees | 1,228 | 117 | 1,345 | 91.3% |
| Other | 661 | 190 | 851 | 77.7% |
| Certificate of Lawfulness | 621 | 167 | 788 | 78.8% |
| Discharge of Conditions | 656 | 69 | 725 | 90.5% |
| Listed Building | 205 | 33 | 238 | 86.1% |
| Advertisement | 73 | 14 | 87 | 83.9% |
| Prior Approval | 6 | 1 | 7 | 85.7% |
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 | 699 | 104 | 803 | 87.0% |
| Bisham And Cookham | 622 | 84 | 706 | 88.1% |
| Ascot & Sunninghill | 521 | 116 | 637 | 81.8% |
| Hurley And Walthams | 522 | 73 | 595 | 87.7% |
| Datchet Horton And Wraysbury | 395 | 153 | 548 | 72.1% |
| Bray | 438 | 93 | 531 | 82.5% |
| Sunningdale And Cheapside | 409 | 92 | 501 | 81.6% |
| Riverside | 270 | 49 | 319 | 84.6% |
| Old Windsor | 245 | 51 | 296 | 82.8% |
| St Marys | 249 | 22 | 271 | 91.9% |
| Clewer And Dedworth West | 219 | 49 | 268 | 81.7% |
| Clewer East | 227 | 40 | 267 | 85.0% |
| Belmont | 222 | 38 | 260 | 85.4% |
| Boyn Hill | 218 | 36 | 254 | 85.8% |
| Clewer And Dedworth East | 204 | 41 | 245 | 83.3% |
| Pinkneys Green | 206 | 29 | 235 | 87.7% |
| Furze Platt | 199 | 33 | 232 | 85.8% |
| Cox Green | 198 | 24 | 222 | 89.2% |
| Oldfield | 181 | 38 | 219 | 82.6% |
How Windsor & Maidenhead’s planning approval rate has changed year by year, down 6.5pp 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 |
|---|---|---|
| 26/01054/FULL Ascot & Sunninghill | New shopfront with service hatch, vents/louvres, screen and 4no. condenser units | Approved |
| 26/01217/PDXL Datchet Horton And Wraysbury | Single storey rear extension no greater than 6.00m in depth, 2.80m high with an | Approved |
| 26/01142/PDXL Datchet Horton And Wraysbury | Single storey rear extension no greater than 3.60m in depth, 3.50m high with an | Approved |
| 26/01062/TPO Clewer And Dedworth East | (T1) Pendunculate oak - sever roots at 1.8m from house for installation of root | Approved |
| 26/01045/FULL Eton And Castle | Single storey side/rear extension following demolition of existing elements. | Approved |
| 26/01053/FULL Clewer And Dedworth East | Single storey front extension | Approved |
| 26/01022/FULL Belmont | Single storey rear extension and alterations to fenestration. | Approved |
| 26/00863/FULL Ascot & Sunninghill | Single storey side/rear extension and a first floor rear extension | Refused |
| 26/00622/FULL Riverside | Single storey side/front extension, single story side/rear extension, new front | Refused |
| 26/00786/FULL St Marys | Part single part two storey rear/side extension, 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 7,447 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 7,447 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 7,447 planning decisions, the overall approval rate in Windsor & Maidenhead is 84.3%. The national average across councils tracked by PlanningLens is 88.3%. Rates vary significantly by ward and application type.
PlanningLens has analysed 7,447 planning decisions from Windsor & Maidenhead council. 6,278 were approved and 1,169 were refused. These figures cover decisions from January 2020 to the present.
The average approval rate in Windsor & Maidenhead is 84.3%, 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.