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 | 104 | 90.4% |
| Outbuilding | 115 | 88.7% |
| Wraparound Extension | 74 | 87.8% |
| Front Extension | 90 | 86.7% |
| Rear Extension | 661 | 85.9% |
| Side Extension | 245 | 83.7% |
| New Build | 55 | 80.0% |
| Garage / Parking | 322 | 79.8% |
| Extension (General) | 54 | 77.8% |
| Dormer | 239 | 75.7% |
| Hip-to-Gable Conversion | 98 | 74.5% |
| Loft Conversion | 149 | 73.8% |
| Change of Use (Residential) | 75 | 58.7% |
| HMO | 54 | 42.6% |
39 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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