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 | 847 | 79.0% |
| Flat Conversion | 570 | 78.1% |
| Extension (General) | 617 | 77.5% |
| Garage / Parking | 2,916 | 77.4% |
| Conservatory | 480 | 76.7% |
| Basement | 854 | 76.6% |
| Annex | 71 | 74.6% |
| Change of Use (Residential) | 1,588 | 70.7% |
| Hip-to-Gable Conversion | 838 | 70.5% |
| Dormer | 2,845 | 67.9% |
| Loft Conversion | 2,671 | 67.8% |
| Rear Extension | 5,637 | 66.6% |
| HMO | 663 | 62.7% |
| Side Extension | 2,066 | 59.8% |
| Wraparound Extension | 688 | 57.8% |
| Front Extension | 230 | 49.1% |
859 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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