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 Spelthorne.
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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 Spelthorne.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 100 | 90.0% |
| Outbuilding | 111 | 89.2% |
| Wraparound Extension | 72 | 87.5% |
| Front Extension | 85 | 87.1% |
| Rear Extension | 621 | 86.0% |
| Side Extension | 228 | 85.1% |
| Garage / Parking | 308 | 80.2% |
| New Build | 52 | 78.8% |
| Extension (General) | 51 | 76.5% |
| Dormer | 223 | 75.3% |
| Hip-to-Gable Conversion | 93 | 74.2% |
| Loft Conversion | 139 | 74.1% |
| Change of Use (Residential) | 68 | 60.3% |
| HMO | 47 | 42.6% |
36 loft conversion applications in Spelthorne 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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