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 CF37 5PS
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 |
|---|---|---|---|---|
| Graig Llwyd819 m away | 337 m² | 425 m² | +88 m² +26% | 2019 |
| 137, Morien Crescent271 m away | 90 m² | 160 m² | +70 m² +78% | 2023 |
| 12, Poplar Road881 m away | 74 m² | 141 m² | +67 m² +91% | 2023 |
| 1, Heol Y Bryn968 m away | 130 m² | 189 m² | +59 m² +45% | 2014 |
| 79, Wood Road968 m away | 55 m² | 102 m² | +47 m² +85% | 2019 |
| 115, Queen Street865 m away | 76 m² | 121 m² | +45 m² +59% | 2015 |
| Cae Rhedyn819 m away | 103 m² | 147 m² | +44 m² +43% | 2025 |
| 6, Collins Terrace760 m away | 90 m² | 134 m² | +44 m² +49% | 2024 |
| 51, Queen Street797 m away | 96 m² | 139 m² |
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.
| 2016 |
| 63, Kingsland Terrace910 m away | 84 m² | 123 m² | +39 m² +46% | 2023 |
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| 6, Forest Road596 m away | 29 m² | 67 m² | +38 m² +131% | 2026 |
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| 1, Dyffryn Avenue415 m away | 94 m² | 131 m² | +37 m² +39% | 2011 |
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| 1, Meadow Street592 m away | 88 m² | 123 m² | +35 m² +40% | 2024 |
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| 96, Wood Road968 m away | 106 m² | 141 m² | +35 m² +33% | 2014 |
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| 53, Llantwit Road932 m away | 114 m² | 148 m² | +34 m² +30% | 2019 |
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| 76, Morien Crescent0 m away | 78 m² | 112 m² | +34 m² +44% | 2016 |
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| 4, Tennyson Close292 m away | 94 m² | 125 m² | +31 m² +33% | 2021 |
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| 95, Broadway911 m away | 33 m² | 63 m² | +30 m² +91% | 2026 |
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| 5, Bertha Street855 m away | 101 m² | 128 m² | +27 m² +27% | 2022 |
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| Forest Hotel, 85, Wood Road968 m away | 71 m² | 97 m² | +26 m² +37% | 2026 |
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| 15, Francis Street979 m away | 58 m² | 84 m² | +26 m² +45% | 2016 |
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| 24, Dyffryn Crescent266 m away | 91 m² | 116 m² | +25 m² +27% | 2026 |
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| 39, Llantwit Road932 m away | 102 m² | 127 m² | +25 m² +25% | 2021 |
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| 97, Wood Road968 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 7, Windsor Road874 m away | 97 m² | 122 m² | +25 m² +26% | 2017 |
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| 29, Dyffryn Crescent419 m away | 100 m² | 125 m² | +25 m² +25% | 2014 |
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| 95, Morien Crescent66 m away | 47 m² | 71 m² | +24 m² +51% | 2024 |
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| 79, King Street855 m away | 79 m² | 102 m² | +23 m² +29% | 2025 |
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| 90, Queen Street797 m away | 63 m² | 86 m² | +23 m² +37% | 2022 |
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| 33, Brook Street814 m away | 67 m² | 89 m² | +22 m² +33% | 2024 |
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| 12, Dyffryn Avenue415 m away | 82 m² | 103 m² | +21 m² +26% | 2026 |
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| 44, Oak Street634 m away | 81 m² | 101 m² | +20 m² +25% | 2014 |
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| 83, King Street855 m away | 99 m² | 118 m² | +19 m² +19% | 2025 |
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| 4, Poplar Road881 m away | 91 m² | 110 m² | +19 m² +21% | 2019 |
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| 29, Oak Street634 m away | 59 m² | 78 m² | +19 m² +32% | 2013 |
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| 79, Tennyson Close334 m away | 84 m² | 103 m² | +19 m² +23% | 2012 |
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| 36, Meadow Street592 m away | 61 m² | 79 m² | +18 m² +30% | 2023 |
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| 2, Forest Road596 m away | 67 m² | 85 m² | +18 m² +27% | 2023 |
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| 13, Queen Street865 m away | 77 m² | 94 m² | +17 m² +22% | 2025 |
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| 110, Heol Gruffydd476 m away | 77 m² | 94 m² | +17 m² +22% | 2021 |
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| 7, Brook Street814 m away | 78 m² | 95 m² | +17 m² +22% | 2020 |
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| 103, Wood Road968 m away | 82 m² | 99 m² | +17 m² +21% | 2010 |
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| 16, Owen Street916 m away | 83 m² | 99 m² | +16 m² +19% | 2026 |
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| 13, Glyn Dwr Avenue327 m away | 82 m² | 98 m² | +16 m² +20% | 2025 |
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| 84, Cardiff Road438 m away | 84 m² | 100 m² | +16 m² +19% | 2024 |
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| 3, Lime Street584 m away | 69 m² | 85 m² | +16 m² +23% | 2024 |
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| 13, Lawn Terrace820 m away | 99 m² | 115 m² | +16 m² +16% | 2022 |
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| 100, Queen Street865 m away | 85 m² | 100 m² | +15 m² +18% | 2021 |
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| 22, Ynys Terrace481 m away | 88 m² | 103 m² | +15 m² +17% | 2015 |
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| 119, Wood Road968 m away | 45 m² | 60 m² | +15 m² +33% | 2014 |
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