Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 622 real decisions tell us about rear extension outcomes in Three Rivers.
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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 | Abbots Langley And Bedmond | 6 | 6 | 100.0% |
| 2 | Moor Park And Eastbury | 6 | 6 | 100.0% |
| 3 | Dickinsons | 7 | 5 | 71.4% |
A rear extension has a 100.0% approval rate in Abbots Langley And Bedmond but just 71.4% in Dickinsons.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Three Rivers.
| Type | Decisions | Rate |
|---|---|---|
| Hip-to-Gable Conversion | 63 | 100.0% |
| Conservatory | 60 | 96.7% |
| Wraparound Extension | 68 | 95.6% |
| Loft Conversion | 180 | 93.9% |
| Side Extension | 158 | 93.7% |
| Front Extension | 76 | 93.4% |
| Outbuilding | 149 | 92.6% |
| Rear Extension | 622 | 92.4% |
| Garage / Parking | 323 | 92.0% |
| Dormer | 225 | 90.2% |
| Extension (General) | 42 | 88.1% |
| New Build | 22 | 86.4% |
| Basement | 26 | 84.6% |
47 rear extension applications in Three Rivers 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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