Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 2,361 real decisions tell us about rear extension outcomes in Oldham.
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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 | Saddleworth South | 5 | 5 | 100.0% |
| 2 | Chadderton Central | 5 | 5 | 100.0% |
| 3 | Chadderton North | 5 | 4 | 80.0% |
| 4 | Saint Mary's | 5 | 4 | 80.0% |
| 5 | Werneth | 5 | 3 | 60.0% |
A rear extension has a 100.0% approval rate in Saddleworth South but just 60.0% in Werneth.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Oldham.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 156 | 94.9% |
| Wraparound Extension | 240 | 92.9% |
| Loft Conversion | 138 | 92.8% |
| Basement | 50 | 92.0% |
| Rear Extension | 2,361 | 90.8% |
| Flat Conversion | 42 | 90.5% |
| Side Extension | 1,281 | 90.3% |
| Annex | 31 | 90.3% |
| Garage / Parking | 806 | 89.8% |
| HMO | 87 | 89.7% |
| Dormer | 751 | 89.2% |
| Extension (General) | 422 | 89.1% |
| Hip-to-Gable Conversion | 55 | 89.1% |
| Change of Use (Residential) | 682 | 88.0% |
| Front Extension | 256 | 85.5% |
| Outbuilding | 145 | 84.1% |
| New Build | 302 | 80.5% |
218 rear extension applications in Oldham have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.
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