Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 151 real decisions tell us about rear extension outcomes in Southend-on-Sea.
See your ward's approval rate and nearby planning decisions — free and instant.
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 | West Leigh | 7 | 7 | 100.0% |
| 2 | Leigh | 8 | 8 | 100.0% |
| 3 | Belfairs | 5 | 5 | 100.0% |
| 4 | West Shoebury | 5 | 5 | 100.0% |
| 5 | Thorpe | 5 | 3 | 60.0% |
A rear extension has a 100.0% approval rate in West Leigh but just 60.0% in Thorpe.
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 Southend-on-Sea.
| Type | Decisions | Rate |
|---|---|---|
| Outbuilding | 30 | 90.0% |
| Side Extension | 82 | 84.1% |
| Rear Extension | 151 | 83.4% |
| Garage / Parking | 94 | 83.0% |
| Dormer | 74 | 75.7% |
| Loft Conversion | 31 | 74.2% |
| Hip-to-Gable Conversion | 27 | 74.1% |
| HMO | 21 | 61.9% |
| Change of Use (Residential) | 58 | 53.4% |
| Flat Conversion | 38 | 47.4% |
25 rear extension applications in Southend-on-Sea 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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