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 3XF
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 |
|---|---|---|---|---|
| Trebarwith, Pauletts Lane864 m away | 79 m² | 174 m² | +95 m² +120% | 2020 |
| 20, Hamtun Gardens961 m away | 60 m² | 133 m² | +73 m² +122% | 2016 |
| Sunnyside, Pauletts Lane864 m away | 67 m² | 138 m² | +71 m² +106% | 2022 |
| 12, Testwood Avenue718 m away | 121 m² | 179 m² | +58 m² +48% | 2024 |
| 98, Sylvia Crescent780 m away | 80 m² | 134 m² | +54 m² +68% | 2026 |
| 346, Calmore Road783 m away | 90 m² | 142 m² | +52 m² +58% | 2022 |
| 301, Salisbury Road375 m away | 130 m² | 175 m² | +45 m² +35% | 2014 |
| 35, Beechdale Close292 m away | 68 m² | 110 m² | +42 m² +62% | 2015 |
| 25, Stanley Road567 m away | 53 m² | 91 m² | +38 m² +72% | 2020 |
| 29, Silvers Wood931 m away | 72 m² | 108 m² | +36 m² +50% | 2012 |
| 197, Salisbury Road885 m away | 123 m² | 157 m² | +34 m² +28% | 2024 |
| 9, Melrose Court990 m away | 69 m² | 103 m² | +34 m² +49% | 2014 |
| 6, Testwood Avenue718 m away | 99 m² | 131 m² | +32 m² +32% | 2010 |
| 300, Salisbury Road246 m away | 78 m² | 109 m² | +31 m² +40% | 2022 |
| 6, Tennyson Road452 m away | 77 m² | 105 m² | +28 m² +36% | 2023 |
| 7, Benbow Gardens465 m away | 150 m² | 177 m² | +27 m² +18% | 2021 |
| 14, Hawkers Close896 m away | 85 m² | 111 m² | +26 m² +31% | 2026 |
| 283, Calmore Road948 m away | 123 m² | 148 m² | +25 m² +20% | 2014 |
| 28, Ewell Way516 m away | 71 m² | 94 m² | +23 m² +32% | 2025 |
| 50, Sylvia Crescent780 m away | 69 m² | 91 m² | +22 m² +32% | 2022 |
| 24, Beechdale Close292 m away | 75 m² | 96 m² | +21 m² +28% | 2023 |
| 294, Salisbury Road532 m away | 92 m² | 113 m² | +21 m² +23% | 2015 |
| 9, Herons Wood392 m away | 75 m² | 95 m² | +20 m² +27% | 2023 |
| 15, Ewell Way551 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
| 19, Stanley Road567 m away | 73 m² | 91 m² | +18 m² +25% | 2013 |
| 56, Friars Croft717 m away | 62 m² | 79 m² | +17 m² +27% | 2024 |
| 9, Beechdale Close292 m away | 71 m² | 88 m² | +17 m² +24% | 2020 |
| 19, Warren Place369 m away | 103 m² | 120 m² | +17 m² +17% | 2015 |
| 39, Testwood Crescent268 m away | 62 m² | 79 m² | +17 m² +27% | 2014 |
| 44, Testwood Crescent163 m away | 61 m² | 77 m² | +16 m² +26% | 2026 |
| 1, Bowater Way992 m away | 99 m² | 115 m² | +16 m² +16% | 2019 |
| 12, Oldbarn Close490 m away | 97 m² | 113 m² | +16 m² +16% | 2014 |
| Holly Lodge, Cooks Lane529 m away | 99 m² | 114 m² | +15 m² +15% | 2026 |
| 37, Treagore Road845 m away | 39 m² | 54 m² | +15 m² +38% | 2016 |
| 17, Appletree Close951 m away | 71 m² | 86 m² | +15 m² +21% | 2013 |
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.