Not all planning applications are created equal. The gap between the highest and lowest approval project type in Horsham is 25.1% — 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 | 469 | 461 | 8 | 98.3% |
| 2 | Basement | 34 | 33 | 1 | 97.1% |
| 3 | Wraparound Extension | 333 | 323 | 10 | 97.0% |
| 4 | Side Extension | 1,378 | 1,326 | 52 | 96.2% |
| 5 | Front Extension | 408 | 392 | 16 | 96.1% |
| 6 | Rear Extension | 2,214 | 2,107 | 107 | 95.2% |
| 7 | Loft Conversion | 243 | 230 | 13 | 94.7% |
| 8 | Dormer | 700 | 642 | 58 | 91.7% |
| 9 | Hip-to-Gable Conversion | 82 | 75 | 7 | 91.5% |
| 10 | Extension (General) | 463 | 418 | 45 | 90.3% |
| 11 | Outbuilding | 627 | 562 | 65 | 89.6% |
| 12 | Garage / Parking | 2,251 | 1,993 | 258 | 88.5% |
| 13 | Annex | 155 | 130 | 25 | 83.9% |
| 14 | New Build | 817 | 645 | 172 | 78.9% |
| 15 | Flat Conversion | 30 | 23 | 7 | 76.7% |
| 16 | Change of Use (Residential) | 717 | 525 | 192 | 73.2% |
A conservatory application has a 98.3% approval rate. Change of Use (Residential)? Just 73.2%.
Check your postcode to see what actually happens near your address.
1,162 planning applications in Horsham 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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