Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 7,226 real decisions tell us about rear extension outcomes in Kingston.
See your ward's approval rate and nearby planning decisions — free and instant.
Rear extensions sit in the middle of the pack nationally. They're common enough that councils have clear precedent — but that cuts both ways. If your neighbours have been refused, that precedent works against you too.
| # | Ward | Decisions | Approved | Rate |
|---|---|---|---|---|
| 1 | Motspur Park & Old Malden East | 6 | 6 | 100.0% |
| 2 | New Malden Village | 11 | 10 | 90.9% |
| 3 | Chessington South & Malden Rushett | 6 | 5 | 83.3% |
| 4 | King George's & Sunray | 5 | 4 | 80.0% |
| 5 | Alexandra | 7 | 5 | 71.4% |
| 6 | Hook & Chessington North | 5 | 3 | 60.0% |
A rear extension has a 100.0% approval rate in Motspur Park & Old Malden East but just 60.0% in Hook & Chessington North.
Check your postcode to see what actually happens near your address.
Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Kingston.
| Type | Decisions | Rate |
|---|---|---|
| Basement | 728 | 82.0% |
| Extension (General) | 806 | 81.0% |
| Wraparound Extension | 747 | 80.5% |
| Conservatory | 832 | 80.0% |
| Garage / Parking | 4,552 | 78.7% |
| New Build | 2,748 | 77.0% |
| Outbuilding | 1,141 | 76.8% |
| Side Extension | 3,340 | 76.5% |
| Annex | 135 | 76.3% |
| Hip-to-Gable Conversion | 1,720 | 76.2% |
| Change of Use (Residential) | 1,375 | 76.0% |
| Dormer | 3,695 | 75.6% |
| Rear Extension | 7,226 | 75.0% |
| Loft Conversion | 3,856 | 74.8% |
| Front Extension | 703 | 74.1% |
| HMO | 139 | 69.1% |
| Flat Conversion | 374 | 62.8% |
1,807 rear extension applications in Kingston 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.
Check My Postcode First