Not all planning applications are created equal. The gap between the highest and lowest approval project type in Portsmouth is 24.5% — 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 | 219 | 204 | 15 | 93.2% |
| 2 | Outbuilding | 230 | 212 | 18 | 92.2% |
| 3 | Wraparound Extension | 46 | 42 | 4 | 91.3% |
| 4 | Rear Extension | 2,254 | 2,010 | 244 | 89.2% |
| 5 | Basement | 87 | 76 | 11 | 87.4% |
| 6 | Side Extension | 571 | 497 | 74 | 87.0% |
| 7 | Extension (General) | 313 | 269 | 44 | 85.9% |
| 8 | HMO | 1,003 | 858 | 145 | 85.5% |
| 9 | Front Extension | 109 | 93 | 16 | 85.3% |
| 10 | Change of Use (Residential) | 1,336 | 1,132 | 204 | 84.7% |
| 11 | Garage / Parking | 657 | 556 | 101 | 84.6% |
| 12 | Hip-to-Gable Conversion | 101 | 80 | 21 | 79.2% |
| 13 | Dormer | 756 | 595 | 161 | 78.7% |
| 14 | Annex | 36 | 27 | 9 | 75.0% |
| 15 | Loft Conversion | 200 | 150 | 50 | 75.0% |
| 16 | New Build | 27 | 19 | 8 | 70.4% |
| 17 | Flat Conversion | 147 | 101 | 46 | 68.7% |
A conservatory application has a 93.2% approval rate. Flat Conversion? Just 68.7%.
Check your postcode to see what actually happens near your address.
1,062 planning applications in Portsmouth have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.
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