Not all planning applications are created equal. The gap between the highest and lowest approval project type in Windsor & Maidenhead is 26.4% — 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 | 290 | 257 | 33 | 88.6% |
| 2 | Basement | 103 | 91 | 12 | 88.3% |
| 3 | Conservatory | 199 | 173 | 26 | 86.9% |
| 4 | Hip-to-Gable Conversion | 143 | 123 | 20 | 86.0% |
| 5 | Front Extension | 633 | 538 | 95 | 85.0% |
| 6 | Rear Extension | 2,239 | 1,892 | 347 | 84.5% |
| 7 | Side Extension | 1,435 | 1,200 | 235 | 83.6% |
| 8 | Extension (General) | 213 | 178 | 35 | 83.6% |
| 9 | Garage / Parking | 1,635 | 1,347 | 288 | 82.4% |
| 10 | Dormer | 743 | 595 | 148 | 80.1% |
| 11 | Outbuilding | 597 | 470 | 127 | 78.7% |
| 12 | New Build | 155 | 121 | 34 | 78.1% |
| 13 | Change of Use (Residential) | 313 | 244 | 69 | 78.0% |
| 14 | Wraparound Extension | 122 | 93 | 29 | 76.2% |
| 15 | Annex | 45 | 28 | 17 | 62.2% |
A loft conversion application has a 88.6% approval rate. Annex? Just 62.2%.
Check your postcode to see what actually happens near your address.
1,236 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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