Loft conversions change your roofline — and that makes them one of the more closely scrutinised application types. Councils scrutinise visibility, overlooking and street character more closely than for ground-level work. Here's what the data shows in Lewisham.
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Loft conversions face more scrutiny than rear or side extensions because they change the property's profile from the street. Dormers, mansards and hip-to-gable alterations are particularly sensitive.
| # | Ward | Decisions | Approved | Rate |
|---|---|---|---|---|
| 1 | Crofton Park | 5 | 4 | 80.0% |
Two houses on the same street can get different outcomes.
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Not all applications are treated equally. Here's how loft conversions stack up against other common projects in Lewisham.
| Type | Decisions | Rate |
|---|---|---|
| New Build | 303 | 88.8% |
| Wraparound Extension | 449 | 84.6% |
| Extension (General) | 2,724 | 84.1% |
| Flat Conversion | 2,760 | 83.7% |
| Conservatory | 363 | 83.2% |
| Garage / Parking | 3,651 | 83.1% |
| Outbuilding | 837 | 82.8% |
| Basement | 1,243 | 82.5% |
| Hip-to-Gable Conversion | 892 | 82.0% |
| Dormer | 2,062 | 81.5% |
| Loft Conversion | 2,647 | 79.3% |
| Change of Use (Residential) | 2,046 | 78.5% |
| Side Extension | 1,181 | 76.0% |
| Rear Extension | 4,713 | 75.5% |
| Annex | 80 | 68.8% |
| HMO | 470 | 61.3% |
| Front Extension | 61 | 60.7% |
549 loft conversion applications in Lewisham 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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