Finding extended homes…
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Homes within 1 km whose energy certificates show the floor area growing: extensions, loft and garage conversions. Tap a home on the map or in the list for its full history. Back to BA2 8QB
Not every extension shows here. We only see building work when a new energy certificate is lodged, which happens when a home is sold, let or newly built. A loft or extension added since then won't appear, even with planning permission and building control sign-off, because those records aren't published as open data outside London. Missing work doesn't mean missing paperwork.
| Home | Before | After | Added | Recorded |
|---|---|---|---|---|
| Vera House, Railway Lane155 m away | 118 m² | 248 m² | +130 m² +110% | 2022 |
| Dawn Rise275 m away | 141 m² | 195 m² | +54 m² +38% | 2026 |
| The Water Mill, Mill Hill228 m away | 266 m² | 314 m² | +48 m² +18% | 2015 |
| Mount Pleasant275 m away | 133 m² | 174 m² | +41 m² +31% | 2018 |
| Water Meadows, Mill Hill228 m away | 216 m² | 255 m² | +39 m² +18% | 2025 |
| Church Farm Cottage369 m away | 123 m² | 159 m² | +36 m² +29% | 2016 |
| Maltings, Mill Hill228 m away | 170 m² | 198 m² | +28 m² +16% | 2015 |
| Forge Cottage, High Street226 m away | 60 m² | 82 m² | +22 m² +37% | 2023 |
From energy performance certificates (MHCLG): a later certificate shows at least 15 m² and 15% more floor area than an earlier one (and no more than 2.5 times, to leave out typing errors). Some changes come from a more careful measurement rather than building work. Addresses: HM Land Registry. Contains HM Land Registry data © Crown copyright and database right 2026, OGL v3.0.