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 BL9 5LE
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 |
|---|---|---|---|---|
| 8, Stratford Avenue262 m away | 79 m² | 137 m² | +58 m² +73% | 2021 |
| 5, Avon Drive884 m away | 138 m² | 188 m² | +50 m² +36% | 2015 |
| 851, Walmersley Road0 m away | 101 m² | 139 m² | +38 m² +38% | 2024 |
| 17, Avon Drive884 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
| 899, Walmersley Road0 m away | 106 m² | 138 m² | +32 m² +30% | 2020 |
| 711, Walmersley Road470 m away | 82 m² | 111 m² | +29 m² +35% | 2022 |
| 710, Walmersley Road664 m away | 94 m² | 119 m² | +25 m² +27% | 2016 |
| 123, Mather Road803 m away | 86 m² | 110 m² | +24 m² +28% | 2016 |
| 3, Stratford Avenue262 m away | 77 m² | 100 m² | +23 m² +30% | 2025 |
| 71, Palatine Drive440 m away | 64 m² | 87 m² | +23 m² +36% | 2016 |
| 26, Ribble Drive446 m away | 90 m² | 112 m² | +22 m² +24% | 2014 |
| 121, Mather Road803 m away | 99 m² | 120 m² | +21 m² +21% | 2019 |
| 9, Trawden Drive575 m away | 80 m² | 101 m² | +21 m² +26% | 2012 |
| 33, Rowlands Road894 m away | 91 m² | 110 m² | +19 m² +21% | 2023 |
| 11, Rowlands Road894 m away | 102 m² | 121 m² | +19 m² +19% | 2019 |
| 1, Barnside Close538 m away | 81 m² | 99 m² | +18 m² +22% | 2022 |
| 870, Burnley Road274 m away | 95 m² | 111 m² | +16 m² +17% | 2025 |
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.