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 7AF
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 |
|---|---|---|---|---|
| 12, Peterscroft Avenue534 m away | 240 m² | 385 m² | +145 m² +60% | 2020 |
| 18, Woodlands Road329 m away | 149 m² | 254 m² | +105 m² +70% | 2021 |
| 6, Fir Road777 m away | 81 m² | 183 m² | +102 m² +126% | 2024 |
| 6, Peterscroft Avenue534 m away | 111 m² | 203 m² | +92 m² +83% | 2015 |
| Aloha, Alpine Road657 m away | 64 m² | 120 m² | +56 m² +88% | 2015 |
| 2, Elmtree Close860 m away | 69 m² | 118 m² | +49 m² +71% | 2023 |
| 58, Woodlands Road0 m away | 141 m² | 188 m² | +47 m² +33% | 2024 |
| 124, Lyndhurst Road779 m away | 109 m² | 152 m² | +43 m² +39% | 2017 |
| 20, Holly Road697 m away | 111 m² | 150 m² | +39 m² +35% | 2025 |
| 118, Woodlands Road603 m away | 149 m² | 181 m² | +32 m² +21% | 2014 |
| 169, Lyndhurst Road705 m away | 117 m² | 139 m² | +22 m² +19% | 2016 |
| 9, Beech Road837 m away | 106 m² | 128 m² | +22 m² +21% | 2014 |
| Lynden, Alpine Road657 m away | 82 m² | 100 m² | +18 m² +22% | 2026 |
| 6, Princess Road760 m away | 93 m² | 110 m² | +17 m² +18% | 2018 |
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.