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 2DD
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 Street839 m away | 88 m² | 167 m² | +79 m² +90% | 2013 |
| 26, Grant Street827 m away | 77 m² | 153 m² | +76 m² +99% | 2013 |
| 11, Rhes Brickyard Row241 m away | 89 m² | 139 m² | +50 m² +56% | 2014 |
| 104, New Dock Road700 m away | 94 m² | 142 m² | +48 m² +51% | 2020 |
| 40, Ropewalk Road357 m away | 95 m² | 136 m² | +41 m² +43% | 2016 |
| 91, Pentre Nicklaus Village961 m away | 231 m² | 266 m² | +35 m² +15% | 2009 |
| 62, Firth Road983 m away | 69 m² | 101 m² | +32 m² +46% | 2013 |
| 7a, New Dock Road874 m away | 106 m² | 137 m² | +31 m² +29% | 2021 |
| 7, New Dock Street701 m away | 112 m² | 142 m² | +30 m² +27% | 2016 |
| 45, Pentre Nicklaus Village961 m away | 134 m² | 161 m² | +27 m² +20% | 2025 |
| 30, Westbury Street396 m away | 85 m² | 112 m² | +27 m² +32% | 2014 |
| 29, Olive Street284 m away | 111 m² | 138 m² | +27 m² +24% | 2013 |
| 17, Pentre Nicklaus Village961 m away | 93 m² | 119 m² | +26 m² +28% | 2023 |
| 15, Ropewalk Road351 m away | 123 m² | 148 m² | +25 m² +20% | 2015 |
| 18, Trinity Road765 m away | 109 m² | 132 m² | +23 m² +21% | 2026 |
| 49, Biddulph Estate282 m away | 70 m² | 92 m² | +22 m² +31% | 2021 |
| 12, Ropewalk Road357 m away | 107 m² | 129 m² | +22 m² +21% | 2013 |
| 32, Pen Y Fon Street608 m away | 69 m² | 90 m² | +21 m² +30% | 2021 |
| 46, Springfields0 m away | 71 m² | 91 m² | +20 m² +28% | 2022 |
| 46, New Dock Road923 m away | 76 m² | 96 m² | +20 m² +26% | 2013 |
| 16, Trinity Road765 m away | 109 m² | 128 m² | +19 m² +17% | 2020 |
| 97, Ropewalk Road169 m away | 71 m² | 90 m² | +19 m² +27% | 2016 |
| 23, Russell Street948 m away | 79 m² | 98 m² | +19 m² +24% | 2015 |
| 21, Stanley Street738 m away | 77 m² | 96 m² | +19 m² +25% | 2013 |
| 16, Pentre Nicklaus Village961 m away | 96 m² | 114 m² | +18 m² +19% | 2024 |
| 75, Pentre Nicklaus Village961 m away | 118 m² | 136 m² | +18 m² +15% | 2023 |
| 60, Trinity Road765 m away | 77 m² | 94 m² | +17 m² +22% | 2022 |
| 34, Pen Y Fon Street608 m away | 65 m² | 82 m² | +17 m² +26% | 2017 |
| 36, Stafford Street709 m away | 111 m² | 128 m² | +17 m² +15% | 2016 |
| 59, Tyisha Road993 m away | 92 m² | 108 m² | +16 m² +17% | 2025 |
| 44, New Dock Street743 m away | 87 m² | 103 m² | +16 m² +18% | 2023 |
| 3, Heol Morfa462 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.