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 2NL
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 |
|---|---|---|---|---|
| Meadow View, The Brickyard730 m away | 158 m² | 221 m² | +63 m² +40% | 2015 |
| Southcote, Southampton Road569 m away | 199 m² | 261 m² | +62 m² +31% | 2024 |
| Brooklyn, Southampton Road569 m away | 87 m² | 145 m² | +58 m² +67% | 2023 |
| Cherrytree Cottage638 m away | 146 m² | 201 m² | +55 m² +38% | 2022 |
| Gamil, Southampton Road297 m away | 96 m² | 151 m² | +55 m² +57% | 2011 |
| Spindle Water, Old Romsey Road468 m away | 103 m² | 154 m² | +51 m² +50% | 2025 |
| Oakdene, Southampton Road569 m away | 114 m² | 149 m² | +35 m² +31% | 2021 |
| Corner Croft, Barney Hayes Lane683 m away | 114 m² | 149 m² | +35 m² +31% | 2021 |
| Poynings, Southampton Road826 m away | 141 m² | 172 m² | +31 m² +22% | 2023 |
| Robins, Pollards Moor Road814 m away | 85 m² | 116 m² | +31 m² +36% | 2022 |
| Oak Cottage, Winsor Road849 m away | 77 m² | 107 m² | +30 m² +39% | 2020 |
| Fair Haven, White Hart Lane261 m away | 142 m² | 170 m² | +28 m² +20% | 2023 |
| St Moritz, Southampton Road569 m away | 81 m² | 107 m² | +26 m² +32% | 2020 |
| Oak Bank, White Hart Lane261 m away | 91 m² | 114 m² | +23 m² +25% | 2021 |
| Elvin, White Hart Lane261 m away | 97 m² | 120 m² | +23 m² +24% | 2013 |
| Corbiere, Southampton Road569 m away | 113 m² | 136 m² | +23 m² +20% | 2013 |
| Littlecot House, White Hart Lane261 m away | 106 m² | 127 m² | +21 m² +20% | 2014 |
| Hope Cottage, 4b, Lyndhurst Hill0 m away | 49 m² | 68 m² | +19 m² +39% | 2026 |
| Fairview Cottage, Southampton Road569 m away | 97 m² | 116 m² | +19 m² +20% | 2026 |
| Kennington, Kennington Lane802 m away | 80 m² | 99 m² | +19 m² +24% | 2023 |
| Bramble Cottage, Old Romsey Road468 m away | 61 m² | 76 m² | +15 m² +25% | 2021 |
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.