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 3EP
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 |
|---|---|---|---|---|
| 97, Neath Road483 m away | 93 m² | 149 m² | +56 m² +60% | 2024 |
| 26, Plas Road593 m away | 93 m² | 148 m² | +55 m² +59% | 2026 |
| 53, Waun Daniel435 m away | 66 m² | 121 m² | +55 m² +83% | 2023 |
| 21, Dyffryn Road957 m away | 78 m² | 120 m² | +42 m² +54% | 2019 |
| 61, Delffordd300 m away | 91 m² | 131 m² | +40 m² +44% | 2025 |
| 85, Alltwen Hill757 m away | 85 m² | 118 m² | +33 m² +39% | 2024 |
| The Sanctuary, 81, Neath Road483 m away | 85 m² | 112 m² | +27 m² +32% | 2020 |
| 26, Delffordd222 m away | 71 m² | 96 m² | +25 m² +35% | 2024 |
| 75, Alltwen Hill757 m away | 87 m² | 109 m² | +22 m² +25% | 2016 |
| 12, Gwyns Place965 m away | 66 m² | 88 m² | +22 m² +33% | 2013 |
| 116, Neath Road536 m away | 61 m² | 80 m² | +19 m² +31% | 2013 |
| 63, Pen Yr Alltwen488 m away | 109 m² | 127 m² | +18 m² +17% | 2025 |
| 10, Lon Yr Ysgol206 m away | 97 m² | 114 m² | +17 m² +18% | 2025 |
| 23, Maes Y Cornel348 m away | 80 m² | 97 m² | +17 m² +21% | 2023 |
| 5, High Street912 m away | 71 m² | 86 m² | +15 m² +21% | 2021 |
| 257, Delffordd0 m away | 60 m² | 75 m² | +15 m² +25% | 2015 |
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.