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 Southwark.
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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.
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 Southwark.
| Type | Decisions | Rate |
|---|---|---|
| Garage / Parking | 5,484 | 96.2% |
| New Build | 1,512 | 95.6% |
| Annex | 116 | 94.8% |
| Basement | 3,601 | 94.4% |
| Side Extension | 1,829 | 94.3% |
| Extension (General) | 2,943 | 94.1% |
| Wraparound Extension | 424 | 94.1% |
| Hip-to-Gable Conversion | 181 | 93.9% |
| Front Extension | 117 | 93.2% |
| Dormer | 2,795 | 93.1% |
| Outbuilding | 1,178 | 93.0% |
| Conservatory | 258 | 92.6% |
| Rear Extension | 3,945 | 92.3% |
| Flat Conversion | 838 | 91.1% |
| Change of Use (Residential) | 2,222 | 89.5% |
| Loft Conversion | 2,174 | 88.7% |
| HMO | 164 | 85.4% |
245 loft conversion applications in Southwark 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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