Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 3,214 real decisions tell us about rear extension outcomes in Warrington.
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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 | Appleton | 5 | 5 | 100.0% |
| 2 | Chapelford and Old Hall | 6 | 6 | 100.0% |
| 3 | Culcheth, Glazebury and Croft | 12 | 10 | 83.3% |
| 4 | Lymm South | 5 | 4 | 80.0% |
| 5 | Poulton South | 5 | 4 | 80.0% |
| 6 | Lymm North and Thelwall | 5 | 3 | 60.0% |
A rear extension has a 100.0% approval rate in Appleton but just 60.0% in Lymm North and Thelwall.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Warrington.
| Type | Decisions | Rate |
|---|---|---|
| Basement | 31 | 90.3% |
| Wraparound Extension | 468 | 90.2% |
| Rear Extension | 3,214 | 89.9% |
| Conservatory | 468 | 89.3% |
| Extension (General) | 1,212 | 89.2% |
| Loft Conversion | 357 | 86.8% |
| Side Extension | 2,047 | 86.7% |
| Front Extension | 363 | 85.1% |
| Garage / Parking | 1,580 | 84.4% |
| Annex | 60 | 83.3% |
| Dormer | 637 | 83.2% |
| HMO | 148 | 82.4% |
| Outbuilding | 319 | 82.1% |
| Hip-to-Gable Conversion | 82 | 81.7% |
| Change of Use (Residential) | 600 | 81.5% |
| New Build | 231 | 81.0% |
326 rear extension applications in Warrington 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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