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 CF82 8FG
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 |
|---|---|---|---|---|
| Saratoga, 22, Tair Heol768 m away | 244 m² | 455 m² | +211 m² +86% | 2015 |
| 19, Bryn Siriol594 m away | 125 m² | 186 m² | +61 m² +49% | 2024 |
| 30, Rolls Avenue373 m away | 112 m² | 163 m² | +51 m² +46% | 2014 |
| 4, Glyngaer Road207 m away | 64 m² | 110 m² | +46 m² +72% | 2016 |
| 35, Downey Grove388 m away | 55 m² | 99 m² | +44 m² +80% | 2012 |
| 41, Greenhill Place715 m away | 59 m² | 90 m² | +31 m² +53% | 2019 |
| 38, Aneurin Bevan Avenue808 m away | 42 m² | 73 m² | +31 m² +74% | 2014 |
| 13, Penywrlod845 m away | 67 m² | 94 m² | +27 m² +40% | 2024 |
| 26, Hengoed Road421 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
| 8, Ramson Close428 m away | 54 m² | 77 m² | +23 m² +43% | 2014 |
| 9, Harrier Avenue986 m away | 90 m² | 112 m² | +22 m² +24% | 2026 |
| 1, Tai'R Heol768 m away | 81 m² | 103 m² | +22 m² +27% | 2022 |
| 26, Greenhill Place703 m away | 59 m² | 81 m² | +22 m² +37% | 2013 |
| 28, Pendarren Street648 m away | 75 m² | 96 m² | +21 m² +28% | 2016 |
| 27, Heol Cattwg698 m away | 59 m² | 79 m² | +20 m² +34% | 2024 |
| 7, Bryn Canol859 m away | 64 m² | 84 m² | +20 m² +31% | 2014 |
| 19, Rolls Avenue373 m away | 76 m² | 95 m² | +19 m² +25% | 2021 |
| 17, Clos Llyswen552 m away | 64 m² | 82 m² | +18 m² +28% | 2026 |
| 10, Clos Cae Rhos709 m away | 79 m² | 97 m² | +18 m² +23% | 2023 |
| 21, Downey Grove388 m away | 83 m² | 101 m² | +18 m² +22% | 2021 |
| 41, Claerwen974 m away | 59 m² | 77 m² | +18 m² +31% | 2021 |
| 17, Oxford Street56 m away | 87 m² | 105 m² | +18 m² +21% | 2016 |
| 16, Gaer Place700 m away | 55 m² | 73 m² | +18 m² +33% | 2014 |
| 3, Claerwen915 m away | 59 m² | 77 m² | +18 m² +31% | 2014 |
| 71, Greenhill Place715 m away | 60 m² | 78 m² | +18 m² +30% | 2013 |
| 4, Tai'R Heol768 m away | 86 m² | 103 m² | +17 m² +20% | 2025 |
| 14, Gwaun Fro329 m away | 86 m² | 103 m² | +17 m² +20% | 2013 |
| 30, Heol Edward Lewis600 m away | 79 m² | 96 m² | +17 m² +22% | 2013 |
| 23, Julians Close835 m away | 60 m² | 76 m² | +16 m² +27% | 2024 |
| 31, Brynhyfryd Terrace692 m away | 85 m² | 101 m² | +16 m² +19% | 2023 |
| 16, Hadrians Close900 m away | 83 m² | 99 m² | +16 m² +19% | 2020 |
| 24, Trosnant Crescent864 m away | 82 m² | 98 m² | +16 m² +20% | 2014 |
| 25, Llyswen565 m away | 70 m² | 85 m² | +15 m² +21% | 2019 |
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.