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 CF83 2UL
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 |
|---|---|---|---|---|
| Ty Isaf Farm558 m away | 114 m² | 178 m² | +64 m² +56% | 2014 |
| 10, Station Terrace726 m away | 49 m² | 100 m² | +51 m² +104% | 2019 |
| 17, Ogmore Court237 m away | 42 m² | 85 m² | +43 m² +102% | 2023 |
| 14, Bryn Siriol701 m away | 99 m² | 140 m² | +41 m² +41% | 2022 |
| 50, Bryn Siriol701 m away | 47 m² | 86 m² | +39 m² +83% | 2019 |
| 43, Sword Hill884 m away | 86 m² | 123 m² | +37 m² +43% | 2023 |
| 20, Lon Y Fran988 m away | 83 m² | 120 m² | +37 m² +45% | 2011 |
| 15, Cefn Y Lon966 m away | 72 m² | 107 m² | +35 m² +49% | 2014 |
| 21, Bryn Siriol665 m away | 93 m² | 126 m² | +33 m² +35% | 2021 |
| 60, Bryn Siriol701 m away | 82 m² | 110 m² | +28 m² +34% | 2026 |
| St. Andrews House, Troed Y Bryn908 m away | 84 m² | 110 m² | +26 m² +31% | 2022 |
| 14, Ffordd Penrhos972 m away | 96 m² | 122 m² | +26 m² +27% | 2017 |
| 1, Bryn Ifor789 m away | 49 m² | 74 m² | +25 m² +51% | 2019 |
| 9, Bowls Terrace807 m away | 86 m² | 110 m² | +24 m² +28% | 2026 |
| 7, Caldicot Court566 m away | 92 m² | 113 m² | +21 m² +23% | 2024 |
| 3, Pembroke Court334 m away | 75 m² | 96 m² | +21 m² +28% | 2018 |
| 37, Clos Cwm Garw844 m away | 72 m² | 92 m² | +20 m² +28% | 2026 |
| 19, Sword Hill884 m away | 132 m² | 152 m² | +20 m² +15% | 2023 |
| 1, Brigham Court0 m away | 55 m² | 75 m² | +20 m² +36% | 2022 |
| 11, Monmouth Court452 m away | 99 m² | 118 m² | +19 m² +19% | 2024 |
| 5, Heol Y Pia899 m away | 35 m² | 53 m² | +18 m² +51% | 2022 |
| 11, Heol Rhos819 m away | 82 m² | 100 m² | +18 m² +22% | 2013 |
| 6, Conway Court375 m away | 79 m² | 94 m² | +15 m² +19% | 2022 |
| 11, Coed Yr Eos980 m away | 90 m² | 105 m² | +15 m² +17% | 2021 |
| 9, Cae Nant Gledyr884 m away | 93 m² | 108 m² | +15 m² +16% | 2016 |
| 12, Rhiw Fach986 m away | 87 m² | 102 m² | +15 m² +17% | 2013 |
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.