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 8DP
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 |
|---|---|---|---|---|
| 81, Llanfabon Drive413 m away | 94 m² | 144 m² | +50 m² +53% | 2009 |
| 34, Llanfabon Drive605 m away | 94 m² | 144 m² | +50 m² +53% | 2009 |
| 9, Ash Grove334 m away | 83 m² | 123 m² | +40 m² +48% | 2019 |
| 8, Ystrad Buildings306 m away | 130 m² | 162 m² | +32 m² +25% | 2014 |
| 8, Bryn Close662 m away | 79 m² | 106 m² | +27 m² +34% | 2014 |
| 56, William Street214 m away | 78 m² | 102 m² | +24 m² +31% | 2024 |
| 34, Thomas Street0 m away | 75 m² | 98 m² | +23 m² +31% | 2024 |
| Nevada, Lower Glyn Gwyn Street174 m away | 59 m² | 82 m² | +23 m² +39% | 2013 |
| 21, Bryn Dolwen858 m away | 63 m² | 83 m² | +20 m² +32% | 2020 |
| 17, William Street57 m away | 87 m² | 107 m² | +20 m² +23% | 2015 |
| 33, St Davids Drive917 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
| 3, Navigation Street149 m away | 73 m² | 92 m² | +19 m² +26% | 2024 |
| 34, Newport Road101 m away | 97 m² | 116 m² | +19 m² +20% | 2021 |
| 35, St Davids Drive917 m away | 78 m² | 95 m² | +17 m² +22% | 2017 |
| 42, Bryn Heol835 m away | 64 m² | 80 m² | +16 m² +25% | 2026 |
| 78, William Street214 m away | 97 m² | 112 m² | +15 m² +15% | 2023 |
| 3, Bryn Glas938 m away | 100 m² | 115 m² | +15 m² +15% | 2014 |
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.