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 9BS
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 |
|---|---|---|---|---|
| 26, Waveney Green909 m away | 87 m² | 146 m² | +59 m² +68% | 2013 |
| 19, Westover Road116 m away | 70 m² | 105 m² | +35 m² +50% | 2013 |
| 40, Old Redbridge Road190 m away | 101 m² | 130 m² | +29 m² +29% | 2019 |
| 16, Sedbergh Road728 m away | 87 m² | 113 m² | +26 m² +30% | 2026 |
| 63a, Test Lane163 m away | 60 m² | 86 m² | +26 m² +43% | 2023 |
| 41, Compton Road961 m away | 78 m² | 104 m² | +26 m² +33% | 2017 |
| 3, Causeway Crescent971 m away | 58 m² | 83 m² | +25 m² +43% | 2022 |
| 8, Waveney Green909 m away | 68 m² | 91 m² | +23 m² +34% | 2024 |
| 55, Brunel Road382 m away | 20 m² | 42 m² | +22 m² +110% | 2020 |
| 89, Brunel Road364 m away | 56 m² | 78 m² | +22 m² +39% | 2016 |
| 37, Seacombe Green678 m away | 74 m² | 95 m² | +21 m² +28% | 2009 |
| 22, Gover Road78 m away | 104 m² | 124 m² | +20 m² +19% | 2026 |
| 71, Sedbergh Road759 m away | 70 m² | 90 m² | +20 m² +29% | 2025 |
| 61, Sedbergh Road759 m away | 86 m² | 105 m² | +19 m² +22% | 2024 |
| 137, Brookwood Road602 m away | 99 m² | 118 m² | +19 m² +19% | 2013 |
| 36, Causeway Crescent914 m away | 73 m² | 89 m² | +16 m² +22% | 2023 |
| Flat 3, Leonards Court, Test Lane173 m away | 26 m² | 42 m² | +16 m² +62% | 2013 |
| 58, Causeway Crescent939 m away | 66 m² | 81 m² | +15 m² +23% | 2026 |
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.