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 BB5 2SW
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 |
|---|---|---|---|---|
| 736, Blackburn Road479 m away | 93 m² | 132 m² | +39 m² +42% | 2015 |
| Sherfin Edge Farm Cottage, Sherfin799 m away | 135 m² | 173 m² | +38 m² +28% | 2022 |
| 4, East View331 m away | 84 m² | 102 m² | +18 m² +21% | 2023 |
| 7, Hud Hey Road941 m away | 91 m² | 109 m² | +18 m² +20% | 2016 |
| 20, Roundhill View288 m away | 81 m² | 98 m² | +17 m² +21% | 2015 |
| 10, Glebe Cottages691 m away | 97 m² | 113 m² | +16 m² +16% | 2022 |
| 123, Northfield Road513 m away | 97 m² | 113 m² | +16 m² +16% | 2013 |
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.