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 SO16 9BQ
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 |
|---|---|---|---|---|
| 23, Stirling Crescent949 m away | 82 m² | 160 m² | +78 m² +95% | 2014 |
| 26, Arundel Road938 m away | 40 m² | 80 m² | +40 m² +100% | 2008 |
| 8, Stirling Close916 m away | 59 m² | 97 m² | +38 m² +64% | 2024 |
| 19, Westover Road87 m away | 70 m² | 105 m² | +35 m² +50% | 2013 |
| 40, Old Redbridge Road312 m away | 101 m² | 130 m² | +29 m² +29% | 2019 |
| 18, Arundel Road938 m away | 67 m² | 95 m² | +28 m² +42% | 2018 |
| 16, Sedbergh Road782 m away | 87 m² | 113 m² | +26 m² +30% | 2026 |
| 63a, Test Lane153 m away | 60 m² | 86 m² | +26 m² +43% | 2023 |
| 41, Compton Road881 m away | 78 m² | 104 m² | +26 m² +33% | 2017 |
| 3, Causeway Crescent918 m away | 58 m² | 83 m² | +25 m² +43% | 2022 |
| 55, Brunel Road525 m away | 20 m² | 42 m² | +22 m² +110% | 2020 |
| 89, Brunel Road505 m away | 56 m² | 78 m² | +22 m² +39% | 2016 |
| 37, Seacombe Green691 m away | 74 m² | 95 m² | +21 m² +28% | 2009 |
| 22, Gover Road113 m away | 104 m² | 124 m² | +20 m² +19% | 2026 |
| 71, Sedbergh Road845 m away | 70 m² | 90 m² | +20 m² +29% | 2025 |
| 1, Testwood Place925 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
| 61, Sedbergh Road845 m away | 86 m² | 105 m² | +19 m² +22% | 2024 |
| 137, Brookwood Road721 m away | 99 m² | 118 m² | +19 m² +19% | 2013 |
| 21, Arundel Road944 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
| 36, Causeway Crescent847 m away | 73 m² | 89 m² | +16 m² +22% | 2023 |
| Flat 3, Leonards Court, Test Lane185 m away | 26 m² | 42 m² | +16 m² +62% | 2013 |
| 58, Causeway Crescent891 m away | 66 m² | 81 m² | +15 m² +23% | 2026 |
| 13, Jennings Road925 m away | 85 m² | 100 m² | +15 m² +18% | 2023 |
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.