Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 2,478 real decisions tell us about rear extension outcomes in Cheltenham.
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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 | Warden Hill | 7 | 7 | 100.0% |
| 2 | Charlton Park | 6 | 6 | 100.0% |
| 3 | Leckhampton | 8 | 8 | 100.0% |
Two houses on the same street can get different outcomes.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Cheltenham.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 489 | 99.2% |
| Rear Extension | 2,478 | 98.0% |
| Wraparound Extension | 282 | 97.5% |
| Side Extension | 1,350 | 96.8% |
| Basement | 340 | 96.8% |
| Front Extension | 229 | 96.5% |
| Extension (General) | 1,251 | 96.2% |
| Dormer | 573 | 96.2% |
| Outbuilding | 570 | 96.0% |
| Hip-to-Gable Conversion | 100 | 96.0% |
| Garage / Parking | 1,866 | 95.9% |
| Change of Use (Residential) | 493 | 94.5% |
| Loft Conversion | 412 | 92.7% |
| Annex | 131 | 91.6% |
| Flat Conversion | 28 | 89.3% |
| New Build | 372 | 87.4% |
| HMO | 26 | 84.6% |
50 rear extension applications in Cheltenham 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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