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 Greenwich.
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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 Greenwich.
| Type | Decisions | Rate |
|---|---|---|
| New Build | 434 | 85.5% |
| Outbuilding | 855 | 78.8% |
| Flat Conversion | 572 | 78.1% |
| Extension (General) | 621 | 77.6% |
| Garage / Parking | 2,926 | 77.4% |
| Conservatory | 484 | 76.7% |
| Basement | 856 | 76.5% |
| Annex | 72 | 73.6% |
| Hip-to-Gable Conversion | 841 | 70.5% |
| Change of Use (Residential) | 1,599 | 70.4% |
| Loft Conversion | 2,687 | 67.9% |
| Dormer | 2,866 | 67.9% |
| Rear Extension | 5,672 | 66.6% |
| HMO | 672 | 62.4% |
| Side Extension | 2,082 | 59.8% |
| Wraparound Extension | 696 | 57.9% |
| Front Extension | 231 | 48.9% |
863 loft conversion applications in Greenwich 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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