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 BB1 2RG
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 |
|---|---|---|---|---|
| 1, Besant Close0 m away | 104 m² | 200 m² | +96 m² +92% | 2015 |
| 10, Martindale Close644 m away | 71 m² | 158 m² | +87 m² +123% | 2013 |
| 16, Seacole Close125 m away | 84 m² | 165 m² | +81 m² +96% | 2016 |
| 3, Cavell Close44 m away | 211 m² | 279 m² | +68 m² +32% | 2015 |
| 214, Rothesay Road777 m away | 68 m² | 121 m² | +53 m² +78% | 2022 |
| 32, Blackamoor Road962 m away | 135 m² | 181 m² | +46 m² +34% | 2016 |
| 4, Pankhurst Close244 m away | 104 m² | 150 m² | +46 m² +44% | 2014 |
| 39, Pankhurst Close244 m away | 56 m² | 99 m² | +43 m² +77% | 2025 |
| 20, Seacole Close125 m away | 84 m² | 122 m² | +38 m² +45% | 2016 |
| 23, Blackamoor Road962 m away | 128 m² | 166 m² | +38 m² +30% | 2014 |
| 11, Delius Close526 m away | 84 m² | 120 m² | +36 m² +43% | 2021 |
| 12, Besant Close0 m away | 116 m² | 150 m² | +34 m² +29% | 2014 |
| 18, Seacole Close125 m away | 78 m² | 109 m² | +31 m² +40% | 2018 |
| 5, Avebury Close889 m away | 88 m² | 118 m² | +30 m² +34% | 2016 |
| 19, Besant Close0 m away | 98 m² | 128 m² | +30 m² +31% | 2014 |
| 66, Blackamoor Road962 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
| 33, Elgar Close733 m away | 116 m² | 142 m² | +26 m² +22% | 2014 |
| 26, Roman Road931 m away | 75 m² | 100 m² | +25 m² +33% | 2014 |
| 15, Seacole Close125 m away | 84 m² | 108 m² | +24 m² +29% | 2020 |
| 20, Grisedale Avenue641 m away | 56 m² | 80 m² | +24 m² +43% | 2013 |
| 129, Arran Avenue937 m away | 89 m² | 113 m² | +24 m² +27% | 2012 |
| 16, Whitby Drive920 m away | 78 m² | 99 m² | +21 m² +27% | 2023 |
| 2, Beale Close161 m away | 82 m² | 103 m² | +21 m² +26% | 2014 |
| 12, Seacole Close125 m away | 110 m² | 130 m² | +20 m² +18% | 2016 |
| 202, North Road947 m away | 82 m² | 102 m² | +20 m² +24% | 2016 |
| 7, Besant Close0 m away | 111 m² | 130 m² | +19 m² +17% | 2026 |
| 257, Rothesay Road720 m away | 51 m² | 68 m² | +17 m² +33% | 2025 |
| 7, Avebury Close889 m away | 72 m² | 89 m² | +17 m² +24% | 2023 |
| 253, Rothesay Road720 m away | 70 m² | 87 m² | +17 m² +24% | 2017 |
| 3, Silbury Close817 m away | 66 m² | 83 m² | +17 m² +26% | 2015 |
| 3, Besant Close0 m away | 67 m² | 84 m² | +17 m² +25% | 2014 |
| 10, Observatory Road805 m away | 64 m² | 80 m² | +16 m² +25% | 2019 |
| 10, Pankhurst Close244 m away | 84 m² | 100 m² | +16 m² +19% | 2014 |
| 20, Roman Road931 m away | 88 m² | 103 m² | +15 m² +17% | 2016 |
| 216, Blackamoor Road820 m away | 69 m² | 84 m² | +15 m² +22% | 2012 |
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.