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 SA15 2AU
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 |
|---|---|---|---|---|
| 12, Caswell Street746 m away | 88 m² | 167 m² | +79 m² +90% | 2013 |
| 26, Grant Street599 m away | 77 m² | 153 m² | +76 m² +99% | 2013 |
| 11, Rhes Brickyard Row557 m away | 89 m² | 139 m² | +50 m² +56% | 2014 |
| 104, New Dock Road820 m away | 94 m² | 142 m² | +48 m² +51% | 2020 |
| 40, Ropewalk Road284 m away | 95 m² | 136 m² | +41 m² +43% | 2016 |
| 9, Rice Street908 m away | 85 m² | 121 m² | +36 m² +42% | 2025 |
| 85, Llewellyn Street975 m away | 68 m² | 100 m² | +32 m² +47% | 2023 |
| 62, Firth Road735 m away | 69 m² | 101 m² | +32 m² +46% | 2013 |
| 7a, New Dock Road926 m away | 106 m² | 137 m² | +31 m² +29% | 2021 |
| 71, Penyfan Road730 m away | 78 m² | 109 m² | +31 m² +40% | 2015 |
| 7, New Dock Street880 m away | 112 m² | 142 m² | +30 m² +27% | 2016 |
| 1, Rice Street908 m away | 101 m² | 130 m² | +29 m² +29% | 2019 |
| 88, Mansel Street942 m away | 38 m² | 66 m² | +28 m² +74% | 2019 |
| 30, Westbury Street400 m away | 85 m² | 112 m² | +27 m² +32% | 2014 |
| 29, Olive Street66 m away | 111 m² | 138 m² | +27 m² +24% | 2013 |
| 15, Ropewalk Road262 m away | 123 m² | 148 m² | +25 m² +20% | 2015 |
| 1, Christopher Street975 m away | 121 m² | 145 m² | +24 m² +20% | 2019 |
| 18, Trinity Road769 m away | 109 m² | 132 m² | +23 m² +21% | 2026 |
| 3, Highfield Terrace885 m away | 96 m² | 119 m² | +23 m² +24% | 2019 |
| 49, Biddulph Estate499 m away | 70 m² | 92 m² | +22 m² +31% | 2021 |
| 12, Ropewalk Road284 m away | 107 m² | 129 m² | +22 m² +21% | 2013 |
| 32, Pen Y Fon Street644 m away | 69 m² | 90 m² | +21 m² +30% | 2021 |
| 46, Springfields345 m away | 71 m² | 91 m² | +20 m² +28% | 2022 |
| 46, New Dock Road971 m away | 76 m² | 96 m² | +20 m² +26% | 2013 |
| 2, Rice Street908 m away | 79 m² | 98 m² | +19 m² +24% | 2023 |
| 16, Trinity Road769 m away | 109 m² | 128 m² | +19 m² +17% | 2020 |
| 97, Ropewalk Road229 m away | 71 m² | 90 m² | +19 m² +27% | 2016 |
| 73, Llewellyn Street975 m away | 79 m² | 98 m² | +19 m² +24% | 2016 |
| 23, Russell Street911 m away | 79 m² | 98 m² | +19 m² +24% | 2015 |
| 21, Stanley Street881 m away | 77 m² | 96 m² | +19 m² +25% | 2013 |
| 60, Trinity Road769 m away | 77 m² | 94 m² | +17 m² +22% | 2022 |
| 34, Pen Y Fon Street644 m away | 65 m² | 82 m² | +17 m² +26% | 2017 |
| 36, Stafford Street770 m away | 111 m² | 128 m² | +17 m² +15% | 2016 |
| 6, Rice Street908 m away | 81 m² | 98 m² | +17 m² +21% | 2016 |
| 59, Tyisha Road862 m away | 92 m² | 108 m² | +16 m² +17% | 2025 |
| 44, New Dock Street911 m away | 87 m² | 103 m² | +16 m² +18% | 2023 |
| 3, Heol Morfa284 m away | 83 m² | 98 m² | +15 m² +18% | 2016 |
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.