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 4DR
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 |
|---|---|---|---|---|
| 15, Cae Bryn733 m away | 112 m² | 201 m² | +89 m² +79% | 2014 |
| 18, St Annes Gardens901 m away | 71 m² | 140 m² | +69 m² +97% | 2022 |
| 1, The Garth207 m away | 114 m² | 167 m² | +53 m² +46% | 2022 |
| 24, Coedcae Road788 m away | 88 m² | 133 m² | +45 m² +51% | 2026 |
| Aberfawr House, Aberfawr Road606 m away | 239 m² | 283 m² | +44 m² +18% | 2024 |
| 7, Ffordd Las806 m away | 184 m² | 222 m² | +38 m² +21% | 2023 |
| 122, Caerphilly Road877 m away | 98 m² | 134 m² | +36 m² +37% | 2019 |
| 130, Caerphilly Road877 m away | 83 m² | 118 m² | +35 m² +42% | 2022 |
| 13, Ty'N Y Parc430 m away | 79 m² | 114 m² | +35 m² +44% | 2020 |
| The Paddocks, Aberfawr Road606 m away | 95 m² | 120 m² | +25 m² +26% | 2015 |
| 71, Thomas Street680 m away | 92 m² | 115 m² | +23 m² +25% | 2009 |
| 55, Edward Terrace695 m away | 76 m² | 97 m² | +21 m² +28% | 2022 |
| 71, Ilan Road628 m away | 69 m² | 90 m² | +21 m² +30% | 2016 |
| 5, Gelli Terrace741 m away | 88 m² | 108 m² | +20 m² +23% | 2025 |
| 61, Coedcae Road781 m away | 84 m² | 104 m² | +20 m² +24% | 2011 |
| 19, Ilan Road446 m away | 71 m² | 89 m² | +18 m² +25% | 2025 |
| 2, Upper Francis Street189 m away | 115 m² | 133 m² | +18 m² +16% | 2016 |
| 24, William Street470 m away | 113 m² | 130 m² | +17 m² +15% | 2017 |
| 58, Coedcae Road788 m away | 88 m² | 105 m² | +17 m² +19% | 2012 |
| 17, Coedcae Road781 m away | 65 m² | 81 m² | +16 m² +25% | 2026 |
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.