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 3PW
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 |
|---|---|---|---|---|
| 6, Calluna Close362 m away | 77 m² | 118 m² | +41 m² +53% | 2025 |
| 9, Guest Cottages785 m away | 49 m² | 90 m² | +41 m² +84% | 2017 |
| 14, Upper Row708 m away | 39 m² | 68 m² | +29 m² +74% | 2016 |
| 22, Blaen Dowlais158 m away | 61 m² | 87 m² | +26 m² +43% | 2015 |
| 70, High Street0 m away | 48 m² | 70 m² | +22 m² +46% | 2021 |
| 3, Cross Blanche Street351 m away | 94 m² | 113 m² | +19 m² +20% | 2015 |
| 31, Station Terrace68 m away | 70 m² | 88 m² | +18 m² +26% | 2009 |
| 33, High Street34 m away | 64 m² | 81 m² | +17 m² +27% | 2022 |
| 44, Barracks Row897 m away | 63 m² | 80 m² | +17 m² +27% | 2020 |
| 22, Upper Row708 m away | 39 m² | 56 m² | +17 m² +44% | 2016 |
| 31, Upper Row708 m away | 26 m² | 43 m² | +17 m² +65% | 2016 |
| 32, Guest Cottages785 m away | 74 m² | 89 m² | +15 m² +20% | 2015 |
| 3, Rees Street894 m away | 77 m² | 92 m² | +15 m² +19% | 2015 |
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.