Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 2,435 real decisions tell us about rear extension outcomes in York.
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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 | Heworth | 6 | 6 | 100.0% |
| 2 | Dringhouses And Woodthorpe | 5 | 5 | 100.0% |
| 3 | Haxby And Wigginton | 6 | 6 | 100.0% |
| 4 | Micklegate | 6 | 6 | 100.0% |
| 5 | Strensall | 7 | 5 | 71.4% |
A rear extension has a 100.0% approval rate in Heworth but just 71.4% in Strensall.
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 York.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 315 | 96.2% |
| Wraparound Extension | 521 | 95.2% |
| Rear Extension | 2,435 | 94.1% |
| Side Extension | 1,600 | 93.8% |
| Hip-to-Gable Conversion | 159 | 93.1% |
| Front Extension | 351 | 92.3% |
| Garage / Parking | 1,205 | 90.7% |
| Loft Conversion | 225 | 89.8% |
| Dormer | 806 | 89.1% |
| Extension (General) | 616 | 88.6% |
| Outbuilding | 355 | 87.6% |
| Annex | 103 | 87.4% |
| Basement | 84 | 86.9% |
| HMO | 296 | 82.1% |
| Change of Use (Residential) | 514 | 77.8% |
| New Build | 433 | 76.0% |
| Flat Conversion | 21 | 57.1% |
143 rear extension applications in York 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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