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 Islington.
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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 Islington.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 1,665 | 85.9% |
| Outbuilding | 1,501 | 85.4% |
| Wraparound Extension | 223 | 83.0% |
| Basement | 10,639 | 82.3% |
| Rear Extension | 11,667 | 80.7% |
| Extension (General) | 5,803 | 80.7% |
| Side Extension | 1,924 | 80.1% |
| Front Extension | 129 | 79.1% |
| Annex | 90 | 78.9% |
| Change of Use (Residential) | 8,113 | 77.0% |
| Dormer | 3,491 | 76.5% |
| HMO | 321 | 76.0% |
| Garage / Parking | 3,076 | 72.9% |
| New Build | 2,076 | 71.7% |
| Loft Conversion | 6,059 | 67.2% |
| Flat Conversion | 1,422 | 67.2% |
| Hip-to-Gable Conversion | 41 | 53.7% |
1,988 loft conversion applications in Islington 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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