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 Westminster.
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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.
| # | Ward | Decisions | Approved | Rate |
|---|---|---|---|---|
| 1 | KBW_22 | 5 | 5 | 100.0% |
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 Westminster.
| Type | Decisions | Rate |
|---|---|---|
| Flat Conversion | 590 | 96.6% |
| Annex | 105 | 94.3% |
| Garage / Parking | 2,685 | 93.6% |
| Basement | 9,448 | 92.8% |
| New Build | 1,297 | 92.8% |
| Change of Use (Residential) | 683 | 91.5% |
| Extension (General) | 3,274 | 91.0% |
| Conservatory | 585 | 90.4% |
| Front Extension | 49 | 89.8% |
| Loft Conversion | 2,936 | 88.6% |
| Side Extension | 465 | 88.6% |
| Outbuilding | 586 | 88.4% |
| Rear Extension | 3,068 | 87.7% |
| Dormer | 1,160 | 86.1% |
| Wraparound Extension | 28 | 82.1% |
| HMO | 119 | 77.3% |
334 loft conversion applications in Westminster have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.
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