Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 4,394 real decisions tell us about rear extension outcomes in Haringey.
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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 | West Green | 5 | 5 | 100.0% |
| 2 | South Tottenham | 5 | 4 | 80.0% |
A rear extension has a 100.0% approval rate in West Green but just 80.0% in South Tottenham.
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Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Haringey.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 277 | 94.2% |
| Wraparound Extension | 355 | 90.4% |
| Dormer | 3,560 | 89.5% |
| Outbuilding | 934 | 89.5% |
| Flat Conversion | 1,959 | 88.6% |
| Hip-to-Gable Conversion | 358 | 88.5% |
| Side Extension | 1,377 | 88.2% |
| Rear Extension | 4,394 | 88.1% |
| Garage / Parking | 1,592 | 87.2% |
| Loft Conversion | 2,341 | 86.2% |
| Basement | 1,037 | 85.1% |
| New Build | 1,031 | 84.4% |
| Extension (General) | 2,448 | 82.9% |
| Front Extension | 91 | 82.4% |
| Annex | 43 | 81.4% |
| Change of Use (Residential) | 1,461 | 78.2% |
| HMO | 536 | 58.0% |
523 rear extension applications in Haringey 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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