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 7AR
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 Avenue228 m away | 240 m² | 385 m² | +145 m² +60% | 2020 |
| 18, Woodlands Road383 m away | 149 m² | 254 m² | +105 m² +70% | 2021 |
| 6, Fir Road384 m away | 81 m² | 183 m² | +102 m² +126% | 2024 |
| 6, Peterscroft Avenue228 m away | 111 m² | 203 m² | +92 m² +83% | 2015 |
| 29, New Road586 m away | 64 m² | 139 m² | +75 m² +117% | 2020 |
| 67, Ashdene Road699 m away | 78 m² | 151 m² | +73 m² +94% | 2026 |
| 9, Chestnut Drive952 m away | 127 m² | 199 m² | +72 m² +57% | 2017 |
| 8, Dene Road776 m away | 84 m² | 155 m² | +71 m² +85% | 2023 |
| 33, Ashdene Road935 m away | 47 m² | 115 m² | +68 m² +145% | 2024 |
| 1, New Road586 m away | 111 m² | 172 m² | +61 m² +55% | 2024 |
| 21, Cooper Road956 m away | 95 m² | 149 m² | +54 m² +57% | 2026 |
| 3, Cooper Road956 m away | 60 m² | 114 m² | +54 m² +90% | 2023 |
| 2, Elmtree Close492 m away | 69 m² | 118 m² | +49 m² +71% | 2023 |
| 58, Woodlands Road705 m away | 141 m² | 188 m² | +47 m² +33% | 2024 |
| 124, Lyndhurst Road192 m away | 109 m² | 152 m² | +43 m² +39% | 2017 |
| 20, Holly Road213 m away | 111 m² | 150 m² | +39 m² +35% | 2025 |
| 4, Dene Road776 m away | 136 m² | 174 m² | +38 m² +28% | 2014 |
| 20, Knightwood Close541 m away | 83 m² | 114 m² | +31 m² +37% | 2021 |
| 15, Chestnut Drive952 m away | 129 m² | 158 m² | +29 m² +22% | 2025 |
| 11, Cooper Road956 m away | 57 m² | 83 m² | +26 m² +46% | 2020 |
| 169, Lyndhurst Road0 m away | 117 m² | 139 m² | +22 m² +19% | 2016 |
| 58, Ashdene Road722 m away | 83 m² | 105 m² | +22 m² +27% | 2016 |
| 9, Beech Road352 m away | 106 m² | 128 m² | +22 m² +21% | 2014 |
| 10, Chestnut Drive952 m away | 115 m² | 133 m² | +18 m² +16% | 2014 |
| 6, Princess Road282 m away | 93 m² | 110 m² | +17 m² +18% | 2018 |
| 12, Knightwood Close541 m away | 103 m² | 120 m² | +17 m² +17% | 2015 |
| 88, Ashdene Road722 m away | 99 m² | 114 m² | +15 m² +15% | 2024 |
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.