Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,299 real decisions tell us about rear extension outcomes in East Cambridgeshire.
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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 | Woodditton | 5 | 5 | 100.0% |
| 2 | Fordham And Isleham | 5 | 4 | 80.0% |
A rear extension has a 100.0% approval rate in Woodditton but just 80.0% in Fordham And Isleham.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in East Cambridgeshire.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 209 | 98.1% |
| Rear Extension | 1,299 | 94.2% |
| Front Extension | 214 | 92.1% |
| Side Extension | 635 | 92.0% |
| Wraparound Extension | 96 | 91.7% |
| Extension (General) | 866 | 90.6% |
| Dormer | 166 | 90.4% |
| Outbuilding | 690 | 88.8% |
| Loft Conversion | 199 | 87.9% |
| Garage / Parking | 2,010 | 86.8% |
| Annex | 186 | 85.5% |
| Change of Use (Residential) | 562 | 82.6% |
| New Build | 465 | 77.8% |
75 rear extension applications in East Cambridgeshire 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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