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 SA8 4BB
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 |
|---|---|---|---|---|
| 13, Cae Is Maen201 m away | 123 m² | 246 m² | +123 m² +100% | 2020 |
| Tyn-Y-Pant Farm, Tyn Y Pant Road950 m away | 87 m² | 151 m² | +64 m² +74% | 2013 |
| 1, Lloyd Street296 m away | 130 m² | 191 m² | +61 m² +47% | 2021 |
| 50, Derwen Road938 m away | 45 m² | 104 m² | +59 m² +131% | 2011 |
| 164, Swansea Road551 m away | 80 m² | 123 m² | +43 m² +54% | 2026 |
| 27, Derwen Road938 m away | 98 m² | 126 m² | +28 m² +29% | 2025 |
| 163, Swansea Road506 m away | 85 m² | 112 m² | +27 m² +32% | 2015 |
| Hazeldene Barn, Pheasant Road503 m away | 78 m² | 104 m² | +26 m² +33% | 2020 |
| 69, Swansea Road522 m away | 77 m² | 101 m² | +24 m² +31% | 2023 |
| 63, Swansea Road522 m away | 72 m² | 96 m² | +24 m² +33% | 2022 |
| 24, Swansea Road522 m away | 97 m² | 119 m² | +22 m² +23% | 2023 |
| 46, Pheasant Road503 m away | 98 m² | 116 m² | +18 m² +18% | 2021 |
| 14, Glynmeirch Road311 m away | 92 m² | 109 m² | +17 m² +18% | 2018 |
| Garage No 10, Heol Y Llwynau781 m away | 82 m² | 99 m² | +17 m² +21% | 2016 |
| 48, Graig Road366 m away | 100 m² | 116 m² | +16 m² +16% | 2013 |
| 37, New Road514 m away | 80 m² | 95 m² | +15 m² +19% | 2025 |
| 2, Derwen Road938 m away | 85 m² | 100 m² | +15 m² +18% | 2022 |
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.