Not all planning applications are created equal. The gap between the highest and lowest approval project type in Brentwood is 18.7% — 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 | Conservatory | 764 | 658 | 106 | 86.1% |
| 2 | Extension (General) | 449 | 377 | 72 | 84.0% |
| 3 | Rear Extension | 3,957 | 3,306 | 651 | 83.5% |
| 4 | Garage / Parking | 3,322 | 2,765 | 557 | 83.2% |
| 5 | Front Extension | 986 | 820 | 166 | 83.2% |
| 6 | Annex | 200 | 164 | 36 | 82.0% |
| 7 | Side Extension | 2,251 | 1,841 | 410 | 81.8% |
| 8 | Basement | 168 | 136 | 32 | 81.0% |
| 9 | Outbuilding | 782 | 624 | 158 | 79.8% |
| 10 | Wraparound Extension | 419 | 334 | 85 | 79.7% |
| 11 | New Build | 338 | 260 | 78 | 76.9% |
| 12 | Change of Use (Residential) | 406 | 312 | 94 | 76.8% |
| 13 | Hip-to-Gable Conversion | 278 | 212 | 66 | 76.3% |
| 14 | Dormer | 1,477 | 1,080 | 397 | 73.1% |
| 15 | Loft Conversion | 562 | 394 | 168 | 70.1% |
| 16 | Flat Conversion | 43 | 29 | 14 | 67.4% |
A conservatory application has a 86.1% approval rate. Flat Conversion? Just 67.4%.
Check your postcode to see what actually happens near your address.
1,604 planning applications in Brentwood 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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