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 3LE
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 |
|---|---|---|---|---|
| 4, Cae Pen Y Graig889 m away | 89 m² | 148 m² | +59 m² +66% | 2024 |
| 2, Coed Gethin974 m away | 126 m² | 166 m² | +40 m² +32% | 2016 |
| 15, Rees Terrace658 m away | 91 m² | 126 m² | +35 m² +38% | 2014 |
| 22, Church Street589 m away | 79 m² | 108 m² | +29 m² +37% | 2026 |
| Heddfan, Tyn Y Graig Road410 m away | 146 m² | 171 m² | +25 m² +17% | 2025 |
| Woodlands Barn509 m away | 138 m² | 162 m² | +24 m² +17% | 2015 |
| 6, Pencerrig Street487 m away | 72 m² | 96 m² | +24 m² +33% | 2014 |
| 10, The Avenue564 m away | 99 m² | 122 m² | +23 m² +23% | 2026 |
| 9, Monmouth View616 m away | 100 m² | 119 m² | +19 m² +19% | 2024 |
| 8, Oak Terrace256 m away | 82 m² | 101 m² | +19 m² +23% | 2022 |
| 12, James Street370 m away | 98 m² | 116 m² | +18 m² +18% | 2018 |
| 41, De Winton Terrace122 m away | 76 m² | 92 m² | +16 m² +21% | 2021 |
| 71, Coed Y Brain Road130 m away | 31 m² | 46 m² | +15 m² +48% | 2009 |
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.