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 SO40 7GL
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 |
|---|---|---|---|---|
| Broadbridge Farm, Rossiters Lane608 m away | 97 m² | 184 m² | +87 m² +90% | 2025 |
| Woodhayes, Bartley Road672 m away | 259 m² | 338 m² | +79 m² +31% | 2023 |
| Oak Down Cottage, 196, Woodlands Road0 m away | 55 m² | 131 m² | +76 m² +138% | 2020 |
| Lilraine, Martins Lane980 m away | 67 m² | 137 m² | +70 m² +104% | 2021 |
| Fernham, Rossiters Lane608 m away | 94 m² | 156 m² | +62 m² +66% | 2016 |
| Aloha, Alpine Road675 m away | 64 m² | 120 m² | +56 m² +88% | 2015 |
| 235, Woodlands Road396 m away | 150 m² | 184 m² | +34 m² +23% | 2023 |
| 118, Woodlands Road733 m away | 149 m² | 181 m² | +32 m² +21% | 2014 |
| 326, Woodlands Road869 m away | 73 m² | 103 m² | +30 m² +41% | 2025 |
| Lynwood, Rossiters Lane608 m away | 167 m² | 197 m² | +30 m² +18% | 2024 |
| Rufus Cottage, Bartley Road920 m away | 173 m² | 203 m² | +30 m² +17% | 2014 |
| 229, Woodlands Road396 m away | 99 m² | 128 m² | +29 m² +29% | 2018 |
| Angus Cottage, Bartley Road672 m away | 68 m² | 91 m² | +23 m² +34% | 2024 |
| 264, Woodlands Road342 m away | 115 m² | 136 m² | +21 m² +18% | 2018 |
| 310, Woodlands Road869 m away | 123 m² | 143 m² | +20 m² +16% | 2023 |
| 13, Green Close519 m away | 77 m² | 96 m² | +19 m² +25% | 2021 |
| Lynden, Alpine Road675 m away | 82 m² | 100 m² | +18 m² +22% | 2026 |
| 275, Woodlands Road829 m away | 88 m² | 103 m² | +15 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.