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 CF48 1EN
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 |
|---|---|---|---|---|
| Brynawelon, Somerset Lane776 m away | 100 m² | 184 m² | +84 m² +84% | 2015 |
| 1, Hunt Terrace429 m away | 55 m² | 99 m² | +44 m² +80% | 2015 |
| 89, Lakeside Gardens295 m away | 93 m² | 135 m² | +42 m² +45% | 2026 |
| Tai Mawr Farm, Tai Mawr Way705 m away | 72 m² | 110 m² | +38 m² +53% | 2014 |
| 34, Lakeside Gardens0 m away | 170 m² | 207 m² | +37 m² +22% | 2013 |
| 1, Holford Street342 m away | 42 m² | 78 m² | +36 m² +86% | 2020 |
| Woodbury, Vaynor Lane762 m away | 99 m² | 132 m² | +33 m² +33% | 2025 |
| Dunromin, Lon Maes Du833 m away | 112 m² | 140 m² | +28 m² +25% | 2017 |
| Deepdene, Brewery Lane477 m away | 91 m² | 119 m² | +28 m² +31% | 2013 |
| 15, South Terrace509 m away | 71 m² | 94 m² | +23 m² +32% | 2022 |
| Dihewydd, Old Church Street393 m away | 132 m² | 152 m² | +20 m² +15% | 2026 |
| 7, Fairview Houses967 m away | 44 m² | 60 m² | +16 m² +36% | 2025 |
| 62a, High Street450 m away | 77 m² | 92 m² | +15 m² +19% | 2021 |
| 1, Maesygarreg796 m away | 72 m² | 87 m² | +15 m² +21% | 2015 |
| 8, Penyfan View973 m away | 69 m² | 84 m² | +15 m² +22% | 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.