Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,936 real decisions tell us about rear extension outcomes in Canterbury.
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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 | Gorrell | 6 | 6 | 100.0% |
| 2 | Chartham And Stone Street | 5 | 4 | 80.0% |
A rear extension has a 100.0% approval rate in Gorrell but just 80.0% in Chartham And Stone Street.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Canterbury.
| Type | Decisions | Rate |
|---|---|---|
| Wraparound Extension | 235 | 98.3% |
| Conservatory | 415 | 98.3% |
| Side Extension | 1,152 | 97.4% |
| Rear Extension | 1,936 | 96.2% |
| Front Extension | 201 | 96.0% |
| Annex | 89 | 95.5% |
| Outbuilding | 563 | 94.8% |
| Garage / Parking | 1,421 | 94.2% |
| Hip-to-Gable Conversion | 52 | 94.2% |
| Extension (General) | 352 | 94.0% |
| Dormer | 641 | 93.4% |
| Loft Conversion | 227 | 91.2% |
| Basement | 28 | 89.3% |
| New Build | 123 | 86.2% |
| Flat Conversion | 35 | 82.9% |
| Change of Use (Residential) | 329 | 79.3% |
73 rear extension applications in Canterbury 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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