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 3EE
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 |
|---|---|---|---|---|
| 2, Porset Drive789 m away | 102 m² | 171 m² | +69 m² +68% | 2014 |
| 6, Dan Y Coed806 m away | 81 m² | 149 m² | +68 m² +84% | 2024 |
| Mapledene, 10, Dan Y Coed806 m away | 86 m² | 141 m² | +55 m² +64% | 2020 |
| 4, Porset Drive789 m away | 88 m² | 139 m² | +51 m² +58% | 2025 |
| 42, Van Road896 m away | 53 m² | 103 m² | +50 m² +94% | 2023 |
| 18, Underwood762 m away | 89 m² | 136 m² | +47 m² +53% | 2020 |
| 9, Cwrt Ty Mawr123 m away | 35 m² | 77 m² | +42 m² +120% | 2020 |
| 10, Warren Drive961 m away | 97 m² | 134 m² | +37 m² +38% | 2023 |
| 31a, Van Road892 m away | 132 m² | 165 m² | +33 m² +25% | 2014 |
| 2, Attlee Court841 m away | 49 m² | 82 m² | +33 m² +67% | 2012 |
| 30, White Street999 m away | 66 m² | 89 m² | +23 m² +35% | 2025 |
| 18, Van Terrace0 m away | 74 m² | 97 m² | +23 m² +31% | 2021 |
| 31, Gwaun Newydd907 m away | 49 m² | 72 m² | +23 m² +47% | 2014 |
| 20, White Street999 m away | 73 m² | 95 m² | +22 m² +30% | 2025 |
| 4, White Street999 m away | 73 m² | 95 m² | +22 m² +30% | 2025 |
| Clovely, Railway Terrace793 m away | 85 m² | 107 m² | +22 m² +26% | 2023 |
| 40, Princes Avenue883 m away | 90 m² | 111 m² | +21 m² +23% | 2025 |
| 3, White Street999 m away | 88 m² | 108 m² | +20 m² +23% | 2021 |
| 13, Brookside Crescent724 m away | 49 m² | 69 m² | +20 m² +41% | 2020 |
| 77, Maxton Court918 m away | 58 m² | 78 m² | +20 m² +34% | 2013 |
| 152, Maes Glas688 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
| 60, Haldane Court736 m away | 57 m² | 76 m² | +19 m² +33% | 2014 |
| 106, Bartlett Street851 m away | 96 m² | 114 m² | +18 m² +19% | 2025 |
| 64, Bartlett Street956 m away | 74 m² | 92 m² | +18 m² +24% | 2015 |
| 46, Cwrt Ty Mawr123 m away | 71 m² | 87 m² | +16 m² +23% | 2024 |
| 6, White Street999 m away | 75 m² | 91 m² | +16 m² +21% | 2023 |
| 16, Van Terrace0 m away | 77 m² | 93 m² | +16 m² +21% | 2020 |
| 98, Bartlett Street851 m away | 81 m² | 97 m² | +16 m² +20% | 2012 |
| 99, Bartlett Street851 m away | 76 m² | 92 m² | +16 m² +21% | 2011 |
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.