Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 129 real decisions tell us about rear extension outcomes in Dacorum.
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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 | Adeyfield West | 5 | 5 | 100.0% |
| 2 | Leverstock Green | 8 | 8 | 100.0% |
| 3 | Chaulden And Warners End | 8 | 8 | 100.0% |
| 4 | Bovingdon / Flaunden / Chipperfield | 6 | 6 | 100.0% |
| 5 | Apsley And Corner Hall | 5 | 5 | 100.0% |
| 6 | Berkhamsted West | 5 | 5 | 100.0% |
Two houses on the same street can get different outcomes.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Dacorum.
| Type | Decisions | Rate |
|---|---|---|
| Loft Conversion | 59 | 100.0% |
| Dormer | 63 | 100.0% |
| Outbuilding | 31 | 100.0% |
| Garage / Parking | 119 | 100.0% |
| Side Extension | 36 | 100.0% |
| Front Extension | 25 | 100.0% |
| Rear Extension | 129 | 99.2% |
1 rear extension applications in Dacorum 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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