Not all planning applications are created equal. The gap between the highest and lowest approval project type in Windsor & Maidenhead is 26.3% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.
See your ward's approval rate and nearby planning decisions — free and instant.
| # | Type | Decisions | Approved | Refused | Rate |
|---|---|---|---|---|---|
| 1 | Loft Conversion | 274 | 244 | 30 | 89.1% |
| 2 | Hip-to-Gable Conversion | 135 | 119 | 16 | 88.1% |
| 3 | Basement | 97 | 85 | 12 | 87.6% |
| 4 | Conservatory | 192 | 167 | 25 | 87.0% |
| 5 | Front Extension | 598 | 506 | 92 | 84.6% |
| 6 | Rear Extension | 2,140 | 1,807 | 333 | 84.4% |
| 7 | Side Extension | 1,372 | 1,146 | 226 | 83.5% |
| 8 | Extension (General) | 211 | 176 | 35 | 83.4% |
| 9 | Garage / Parking | 1,537 | 1,265 | 272 | 82.3% |
| 10 | New Build | 146 | 118 | 28 | 80.8% |
| 11 | Dormer | 705 | 567 | 138 | 80.4% |
| 12 | Outbuilding | 557 | 438 | 119 | 78.6% |
| 13 | Change of Use (Residential) | 301 | 235 | 66 | 78.1% |
| 14 | Wraparound Extension | 121 | 92 | 29 | 76.0% |
| 15 | Annex | 43 | 27 | 16 | 62.8% |
A loft conversion application has a 89.1% approval rate. Annex? Just 62.8%.
Check your postcode to see what actually happens near your address.
1,169 planning applications in Windsor & Maidenhead have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.
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