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 CF72 9UH
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 |
|---|---|---|---|---|
| The Cot87 m away | 133 m² | 217 m² | +84 m² +63% | 2020 |
| 1, Llanharry Road848 m away | 104 m² | 184 m² | +80 m² +77% | 2022 |
| 11, St Annes Court530 m away | 157 m² | 211 m² | +54 m² +34% | 2016 |
| 39, Danybryn911 m away | 31 m² | 58 m² | +27 m² +87% | 2010 |
| 5, Talygarn Court0 m away | 152 m² | 178 m² | +26 m² +17% | 2021 |
| 40, Western Courtyard136 m away | 66 m² | 81 m² | +15 m² +23% | 2019 |
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.