Not all planning applications are created equal. The gap between the highest and lowest approval project type in Windsor & Maidenhead is 23.9% — 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 | Basement | 107 | 94 | 13 | 87.9% |
| 2 | Loft Conversion | 301 | 263 | 38 | 87.4% |
| 3 | Conservatory | 206 | 180 | 26 | 87.4% |
| 4 | Front Extension | 655 | 555 | 100 | 84.7% |
| 5 | Rear Extension | 2,322 | 1,959 | 363 | 84.4% |
| 6 | Hip-to-Gable Conversion | 152 | 127 | 25 | 83.6% |
| 7 | Side Extension | 1,490 | 1,244 | 246 | 83.5% |
| 8 | Extension (General) | 223 | 186 | 37 | 83.4% |
| 9 | Garage / Parking | 1,702 | 1,399 | 303 | 82.2% |
| 10 | Dormer | 776 | 614 | 162 | 79.1% |
| 11 | Outbuilding | 622 | 488 | 134 | 78.5% |
| 12 | Change of Use (Residential) | 323 | 253 | 70 | 78.3% |
| 13 | New Build | 156 | 122 | 34 | 78.2% |
| 14 | Wraparound Extension | 125 | 96 | 29 | 76.8% |
| 15 | Annex | 50 | 32 | 18 | 64.0% |
A basement application has a 87.9% approval rate. Annex? Just 64.0%.
Check your postcode to see what actually happens near your address.
785 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.
Check my postcode