Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 5,917 real decisions tell us about rear extension outcomes in Trafford.
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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 | Timperley North | 8 | 8 | 100.0% |
| 2 | Manor | 8 | 8 | 100.0% |
| 3 | Hale | 5 | 5 | 100.0% |
| 4 | Longford | 5 | 5 | 100.0% |
| 5 | Davyhulme | 5 | 4 | 80.0% |
A rear extension has a 100.0% approval rate in Timperley North but just 80.0% in Davyhulme.
Check your postcode to see what actually happens near your address.
Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Trafford.
| Type | Decisions | Rate |
|---|---|---|
| Wraparound Extension | 1,416 | 93.8% |
| Annex | 81 | 93.8% |
| Conservatory | 581 | 92.6% |
| Side Extension | 4,120 | 91.0% |
| Rear Extension | 5,917 | 90.5% |
| Front Extension | 947 | 90.4% |
| Outbuilding | 483 | 89.6% |
| Loft Conversion | 472 | 88.1% |
| Basement | 306 | 86.6% |
| Garage / Parking | 2,229 | 86.4% |
| Change of Use (Residential) | 533 | 86.3% |
| HMO | 47 | 85.1% |
| Extension (General) | 447 | 84.6% |
| New Build | 1,270 | 83.9% |
| Dormer | 1,135 | 82.0% |
| Hip-to-Gable Conversion | 231 | 81.8% |
| Flat Conversion | 35 | 71.4% |
565 rear extension applications in Trafford 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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