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 OL15 9QX
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 |
|---|---|---|---|---|
| Harlock Cottage, Higher Chelburn, Summit0 m away | 60 m² | 122 m² | +62 m² +103% | 2010 |
| 3, Lighthouse, Calderbrook Road543 m away | 181 m² | 223 m² | +42 m² +23% | 2023 |
| 106, Summit0 m away | 124 m² | 157 m² | +33 m² +27% | 2025 |
| 3, Hill View280 m away | 57 m² | 85 m² | +28 m² +49% | 2022 |
| 14, Dean Head556 m away | 74 m² | 101 m² | +27 m² +36% | 2013 |
| 10, Holme House Street194 m away | 133 m² | 157 m² | +24 m² +18% | 2025 |
| 4, Rock Nook635 m away | 76 m² | 94 m² | +18 m² +24% | 2016 |
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.