Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 3,835 real decisions tell us about rear extension outcomes in South Gloucestershire.
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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 | Parkwall And Warmley | 5 | 5 | 100.0% |
| 2 | Emersons Green | 5 | 5 | 100.0% |
| 3 | Frampton Cotterell | 6 | 5 | 83.3% |
A rear extension has a 100.0% approval rate in Parkwall And Warmley but just 83.3% in Frampton Cotterell.
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 South Gloucestershire.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 458 | 91.9% |
| Rear Extension | 3,835 | 90.8% |
| Wraparound Extension | 416 | 90.4% |
| Basement | 39 | 89.7% |
| Side Extension | 2,449 | 87.0% |
| Outbuilding | 855 | 84.7% |
| Front Extension | 636 | 84.4% |
| Garage / Parking | 2,599 | 83.4% |
| Hip-to-Gable Conversion | 229 | 83.4% |
| Dormer | 1,051 | 82.2% |
| Extension (General) | 574 | 81.9% |
| Change of Use (Residential) | 1,021 | 80.2% |
| Loft Conversion | 703 | 79.7% |
| Annex | 387 | 79.1% |
| Flat Conversion | 42 | 78.6% |
| HMO | 300 | 78.0% |
| New Build | 2,676 | 76.5% |
352 rear extension applications in South Gloucestershire 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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