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 3BN
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 |
|---|---|---|---|---|
| Berwedd Dy Farm0 m away | 108 m² | 228 m² | +120 m² +111% | 2016 |
| 15, Clas Ty Gelli952 m away | 86 m² | 174 m² | +88 m² +102% | 2026 |
| 85a, Coedpenmaen Road873 m away | 88 m² | 174 m² | +86 m² +98% | 2024 |
| 36, Richard Street686 m away | 49 m² | 114 m² | +65 m² +133% | 2017 |
| 33, Oakland Terrace561 m away | 78 m² | 125 m² | +47 m² +60% | 2013 |
| 148, Garth Avenue461 m away | 53 m² | 94 m² | +41 m² +77% | 2021 |
| 19, Cefn Close976 m away | 54 m² | 95 m² | +41 m² +76% | 2015 |
| 16, Ann Street569 m away | 75 m² | 115 m² | +40 m² +53% | 2015 |
| Greystones, Ynysybwl Road126 m away | 90 m² | 130 m² | +40 m² +44% | 2014 |
| 52, Brynderwen |
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.
| 97 m² |
| 132 m² |
| +35 m² +36% |
| 2016 |
| 12, Coed Y Lan Road543 m away | 78 m² | 112 m² | +34 m² +44% | 2015 |
|---|
| 32, Cynon View749 m away | 107 m² | 140 m² | +33 m² +31% | 2013 |
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| 5, Berwedd Dy Cottages0 m away | 61 m² | 94 m² | +33 m² +54% | 2012 |
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| 2, Francis Terrace762 m away | 82 m² | 114 m² | +32 m² +39% | 2014 |
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| Sherwood, Brookfield Lane960 m away | 112 m² | 142 m² | +30 m² +27% | 2017 |
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| 20, Heol Mynydd829 m away | 74 m² | 104 m² | +30 m² +41% | 2016 |
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| 29, Cilfynydd Road667 m away | 83 m² | 113 m² | +30 m² +36% | 2014 |
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| 10, Howell Street520 m away | 58 m² | 87 m² | +29 m² +50% | 2025 |
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| 76, Pontshonnorton Road468 m away | 78 m² | 107 m² | +29 m² +37% | 2012 |
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| 57, William Street726 m away | 76 m² | 104 m² | +28 m² +37% | 2020 |
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| 17, Pearson Crescent813 m away | 79 m² | 107 m² | +28 m² +35% | 2015 |
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| 15, Pearson Crescent813 m away | 53 m² | 80 m² | +27 m² +51% | 2016 |
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| 55, Oakland Terrace561 m away | 108 m² | 134 m² | +26 m² +24% | 2024 |
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| Gernant, Brookfield Lane960 m away | 172 m² | 198 m² | +26 m² +15% | 2023 |
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| 20, Bedw Road406 m away | 73 m² | 97 m² | +24 m² +33% | 2026 |
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| 11, Porcher Avenue856 m away | 76 m² | 100 m² | +24 m² +32% | 2014 |
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| 6, Bryn Awel947 m away | 104 m² | 128 m² | +24 m² +23% | 2014 |
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| 12, Pontshonnorton Road717 m away | 68 m² | 91 m² | +23 m² +34% | 2025 |
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| 12, Brookside Close718 m away | 59 m² | 81 m² | +22 m² +37% | 2023 |
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| 15, Greenmeadow Close552 m away | 84 m² | 106 m² | +22 m² +26% | 2013 |
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| 2, Park Place879 m away | 65 m² | 87 m² | +22 m² +34% | 2013 |
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| 29, Oakland Terrace561 m away | 103 m² | 124 m² | +21 m² +20% | 2021 |
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| 25, Gardner Close473 m away | 60 m² | 80 m² | +20 m² +33% | 2024 |
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| 22, Cynon View749 m away | 83 m² | 103 m² | +20 m² +24% | 2022 |
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| 44, Richard Street686 m away | 90 m² | 110 m² | +20 m² +22% | 2016 |
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| 87, Cilfynydd Road347 m away | 72 m² | 91 m² | +19 m² +26% | 2025 |
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| 88, Wood Street578 m away | 75 m² | 94 m² | +19 m² +25% | 2019 |
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| 73, Wood Street578 m away | 71 m² | 90 m² | +19 m² +27% | 2016 |
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| 64, Wood Street578 m away | 73 m² | 92 m² | +19 m² +26% | 2015 |
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| 13, Coronation Terrace896 m away | 76 m² | 95 m² | +19 m² +25% | 2015 |
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| 120, Porcher Avenue593 m away | 61 m² | 79 m² | +18 m² +30% | 2022 |
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| 103, Pontshonnorton Road727 m away | 85 m² | 102 m² | +17 m² +20% | 2020 |
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| 68, Wood Street578 m away | 73 m² | 90 m² | +17 m² +23% | 2013 |
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| 67a, Coedpenmaen Road873 m away | 79 m² | 94 m² | +15 m² +19% | 2020 |
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