Not all planning applications are created equal. The gap between the highest and lowest approval project type in Cambridge is 24.0% — 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 | Hip-to-Gable Conversion | 47 | 47 | 0 | 100.0% |
| 2 | Conservatory | 221 | 216 | 5 | 97.7% |
| 3 | Basement | 80 | 78 | 2 | 97.5% |
| 4 | Wraparound Extension | 256 | 245 | 11 | 95.7% |
| 5 | Outbuilding | 526 | 503 | 23 | 95.6% |
| 6 | Dormer | 395 | 377 | 18 | 95.4% |
| 7 | Rear Extension | 1,481 | 1,408 | 73 | 95.1% |
| 8 | Side Extension | 848 | 802 | 46 | 94.6% |
| 9 | Front Extension | 319 | 299 | 20 | 93.7% |
| 10 | Garage / Parking | 1,111 | 1,031 | 80 | 92.8% |
| 11 | Extension (General) | 360 | 331 | 29 | 91.9% |
| 12 | Loft Conversion | 364 | 333 | 31 | 91.5% |
| 13 | Annex | 146 | 132 | 14 | 90.4% |
| 14 | New Build | 312 | 265 | 47 | 84.9% |
| 15 | Change of Use (Residential) | 330 | 257 | 73 | 77.9% |
| 16 | HMO | 50 | 38 | 12 | 76.0% |
A hip-to-gable conversion application has a 100.0% approval rate. HMO? Just 76.0%.
Check your postcode to see what actually happens near your address.
593 planning applications in Cambridge 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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