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 CF81 8PL
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 |
|---|---|---|---|---|
| Llwyndyrys, Western Drive540 m away | 86 m² | 199 m² | +113 m² +131% | 2021 |
| 25, Church Street720 m away | 51 m² | 104 m² | +53 m² +104% | 2018 |
| 28, North Road769 m away | 78 m² | 131 m² | +53 m² +68% | 2016 |
| 4, Bristol Terrace848 m away | 87 m² | 139 m² | +52 m² +60% | 2022 |
| 3, Heolddu Avenue662 m away | 105 m² | 150 m² | +45 m² +43% | 2021 |
| 12, Moorland Road388 m away | 120 m² | 157 m² | +37 m² +31% | 2021 |
| 47, South Street507 m away | 82 m² | 118 m² | +36 m² +44% | 2016 |
| 22, Usk Road838 m away | 80 m² | 111 m² | +31 m² +39% | 2025 |
| 4, Tredegar Terrace878 m away | 102 m² | 133 m² | +31 m² +30% | 2021 |
| 15, Park Road341 m away | 99 m² | 130 m² | +31 m² +31% | 2016 |
| 15, John Street154 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
| 20, Heolddu Grove488 m away | 76 m² | 106 m² | +30 m² +39% | 2022 |
| 84, Moorland Road493 m away | 84 m² | 111 m² | +27 m² +32% | 2025 |
| 2, Park Road406 m away | 95 m² | 121 m² | +26 m² +27% | 2021 |
| 50, Mcdonnell Road463 m away | 100 m² | 125 m² | +25 m² +25% | 2026 |
| 2, Marwyn Gardens417 m away | 77 m² | 102 m² | +25 m² +32% | 2019 |
| 92, West Street359 m away | 76 m² | 99 m² | +23 m² +30% | 2020 |
| 29, West Street349 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
| 15, Gilfach Street233 m away | 42 m² | 65 m² | +23 m² +55% | 2009 |
| 30, South Street507 m away | 97 m² | 119 m² | +22 m² +23% | 2023 |
| 6, Heol Fach508 m away | 91 m² | 112 m² | +21 m² +23% | 2023 |
| 50, Heolddu Crescent613 m away | 77 m² | 98 m² | +21 m² +27% | 2014 |
| 32, South Street507 m away | 92 m² | 112 m² | +20 m² +22% | 2021 |
| 14, Thomas Street841 m away | 78 m² | 97 m² | +19 m² +24% | 2015 |
| 1, Heol Fach508 m away | 90 m² | 108 m² | +18 m² +20% | 2024 |
| 21, Mcdonnell Road463 m away | 85 m² | 103 m² | +18 m² +21% | 2021 |
| 6, Marwyn Gardens417 m away | 80 m² | 96 m² | +16 m² +20% | 2022 |
| 80, West Street359 m away | 78 m² | 94 m² | +16 m² +21% | 2021 |
| 4, Graig Terrace938 m away | 62 m² | 78 m² | +16 m² +26% | 2015 |
| 4, Park Drive94 m away | 95 m² | 111 m² | +16 m² +17% | 2014 |
| Bank Chambers, 24 - 25, High Street663 m away | 51 m² | 66 m² | +15 m² +29% | 2022 |
| 85, Gilfach Street278 m away | 94 m² | 109 m² | +15 m² +16% | 2014 |
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.