Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,062 real decisions tell us about rear extension outcomes in Exeter.
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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 | Heavitree | 6 | 6 | 100.0% |
| 2 | Topsham | 10 | 8 | 80.0% |
| 3 | Duryard And St James | 8 | 6 | 75.0% |
A rear extension has a 100.0% approval rate in Heavitree but just 75.0% in Duryard And St James.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Exeter.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 176 | 92.6% |
| Rear Extension | 1,062 | 91.5% |
| Extension (General) | 488 | 91.2% |
| Outbuilding | 297 | 91.2% |
| Dormer | 425 | 89.4% |
| Wraparound Extension | 57 | 87.7% |
| Garage / Parking | 804 | 86.8% |
| Loft Conversion | 265 | 86.4% |
| Change of Use (Residential) | 364 | 86.0% |
| Hip-to-Gable Conversion | 71 | 85.9% |
| Front Extension | 59 | 84.7% |
| Side Extension | 419 | 83.3% |
| HMO | 236 | 83.1% |
| Basement | 79 | 81.0% |
| Flat Conversion | 45 | 75.6% |
| Annex | 54 | 74.1% |
| New Build | 67 | 71.6% |
90 rear extension applications in Exeter 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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