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 DN40 1AT
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 |
|---|---|---|---|---|
| 42, Manby Road388 m away | 109 m² | 148 m² | +39 m² +36% | 2024 |
| 14, Copse Close990 m away | 60 m² | 99 m² | +39 m² +65% | 2023 |
| 94, Kings Road325 m away | 95 m² | 128 m² | +33 m² +35% | 2018 |
| 218, Pelham Road534 m away | 125 m² | 155 m² | +30 m² +24% | 2022 |
| 2, Washdyke Lane784 m away | 95 m² | 123 m² | +28 m² +29% | 2016 |
| 125, Pelham Road255 m away | 52 m² | 79 m² | +27 m² +52% | 2026 |
| 7, Waterworks Street0 m away | 84 m² | 106 m² | +22 m² +26% | 2015 |
| 40, Pilgrim Avenue778 m away | 79 m² | 100 m² | +21 m² +27% | 2022 |
| 49, Manby Road388 m away | 51 m² | 71 m² | +20 m² +39% | 2015 |
| 147, Woodlands Avenue541 m away | 68 m² | 87 m² | +19 m² +28% | 2015 |
| 8, Worsley Close429 m away | 84 m² | 101 m² | +17 m² +20% | 2025 |
| 15, Chestnut Avenue106 m away | 73 m² | 89 m² | +16 m² +22% | 2023 |
| 24, Beechwood Avenue704 m away | 76 m² | 92 m² | +16 m² +21% | 2015 |
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.