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 6AP
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 |
|---|---|---|---|---|
| 24, Heron Drive284 m away | 63 m² | 113 m² | +50 m² +79% | 2010 |
| 89, Lansbury Avenue603 m away | 99 m² | 146 m² | +47 m² +47% | 2017 |
| 4, Glyngaer Road983 m away | 64 m² | 110 m² | +46 m² +72% | 2016 |
| 35, Downey Grove934 m away | 55 m² | 99 m² | +44 m² +80% | 2012 |
| 26, Heron Drive284 m away | 76 m² | 113 m² | +37 m² +49% | 2010 |
| 41, Valley View783 m away | 129 m² | 159 m² | +30 m² +23% | 2020 |
| 10, Penybryn Terrace397 m away | 89 m² | 115 m² | +26 m² +29% | 2025 |
| 10, Hengoed Avenue674 m away | 76 m² | 102 m² | +26 m² +34% | 2013 |
| 2, Duffryn Street674 m away | 97 m² | 122 m² | +25 m² +26% | 2026 |
| 50, Heron Drive284 m away | 113 m² | 137 m² | +24 m² +21% | 2024 |
| 9, Harrier Avenue217 m away | 90 m² | 112 m² | +22 m² +24% | 2026 |
| 5, Peregrine Close166 m away | 103 m² | 125 m² | +22 m² +21% | 2023 |
| 61, Hengoed Crescent831 m away | 81 m² | 103 m² | +22 m² +27% | 2014 |
| 4, Kingfisher Way232 m away | 90 m² | 110 m² | +20 m² +22% | 2025 |
| 27, Heol Cattwg883 m away | 59 m² | 79 m² | +20 m² +34% | 2024 |
| 14, Hengoed Hall Close940 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
| 7, Bryn Canol698 m away | 64 m² | 84 m² | +20 m² +31% | 2014 |
| 21, Downey Grove934 m away | 83 m² | 101 m² | +18 m² +22% | 2021 |
| 95, Gelligaer Road584 m away | 75 m² | 92 m² | +17 m² +23% | 2014 |
| 16, Brynheulog Street581 m away | 83 m² | 99 m² | +16 m² +19% | 2024 |
| 23, Brynheulog Street581 m away | 90 m² | 106 m² | +16 m² +18% | 2021 |
| 24, Trosnant Crescent589 m away | 82 m² | 98 m² | +16 m² +20% | 2014 |
| 4, The Close986 m away | 56 m² | 71 m² | +15 m² +27% | 2009 |
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.