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 CF48 3NY
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, Gwladys Street895 m away | 82 m² | 139 m² | +57 m² +70% | 2016 |
| 6, Calluna Close403 m away | 77 m² | 118 m² | +41 m² +53% | 2025 |
| 9, Guest Cottages348 m away | 49 m² | 90 m² | +41 m² +84% | 2017 |
| Uplands, Balaclava Road876 m away | 114 m² | 154 m² | +40 m² +35% | 2023 |
| 1, Wimbourne Street797 m away | 94 m² | 132 m² | +38 m² +40% | 2014 |
| 90, Gwladys Street895 m away | 69 m² | 105 m² | +36 m² +52% | 2015 |
| 11, The Hafod696 m away | 47 m² | 83 m² | +36 m² +77% | 2014 |
| 8, Alma Street681 m away | 57 m² | 91 m² | +34 m² +60% | 2014 |
| 40, White Street654 m away | 50 m² | 83 m² | +33 m² +66% | 2018 |
| 7, Morlais Street |
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.
| 134 m² |
| 165 m² |
| +31 m² +23% |
| 2019 |
| 14, Upper Row267 m away | 39 m² | 68 m² | +29 m² +74% | 2016 |
|---|
| 29a, Mount Pleasant Street657 m away | 64 m² | 92 m² | +28 m² +44% | 2020 |
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| 50, Balaclava Road876 m away | 51 m² | 77 m² | +26 m² +51% | 2022 |
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| 20, Gwladys Street895 m away | 76 m² | 102 m² | +26 m² +34% | 2016 |
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| 22, Blaen Dowlais555 m away | 61 m² | 87 m² | +26 m² +43% | 2015 |
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| 50, Victoria Street585 m away | 73 m² | 99 m² | +26 m² +36% | 2015 |
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| 40, Gwladys Street895 m away | 98 m² | 123 m² | +25 m² +26% | 2015 |
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| 17, Broad Street721 m away | 57 m² | 81 m² | +24 m² +42% | 2019 |
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| 14, Broad Street721 m away | 62 m² | 85 m² | +23 m² +37% | 2016 |
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| 80, Gwladys Street895 m away | 92 m² | 115 m² | +23 m² +25% | 2016 |
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| 2, Overton Street615 m away | 127 m² | 150 m² | +23 m² +18% | 2014 |
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| 70, High Street481 m away | 48 m² | 70 m² | +22 m² +46% | 2021 |
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| 33, White Street654 m away | 76 m² | 98 m² | +22 m² +29% | 2018 |
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| 21, Odessa Street619 m away | 30 m² | 51 m² | +21 m² +70% | 2019 |
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| 27, Balaclava Road876 m away | 65 m² | 86 m² | +21 m² +32% | 2014 |
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| 37, Balaclava Road876 m away | 82 m² | 103 m² | +21 m² +26% | 2011 |
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| 28, Balaclava Road876 m away | 78 m² | 99 m² | +21 m² +27% | 2011 |
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| 4, Odessa Street619 m away | 49 m² | 69 m² | +20 m² +41% | 2022 |
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| 1, Thomas Terrace813 m away | 92 m² | 112 m² | +20 m² +22% | 2016 |
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| 17, Overton Street615 m away | 52 m² | 71 m² | +19 m² +37% | 2026 |
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| 28, Francis Street718 m away | 61 m² | 80 m² | +19 m² +31% | 2016 |
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| 3, Cross Blanche Street174 m away | 94 m² | 113 m² | +19 m² +20% | 2015 |
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| 16, Queen Street929 m away | 98 m² | 116 m² | +18 m² +18% | 2025 |
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| 4, Winifred Street790 m away | 84 m² | 102 m² | +18 m² +21% | 2020 |
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| 70, Gwladys Street895 m away | 80 m² | 98 m² | +18 m² +23% | 2017 |
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| 31, Station Terrace416 m away | 70 m² | 88 m² | +18 m² +26% | 2009 |
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| 37, Gwladys Street917 m away | 86 m² | 103 m² | +17 m² +20% | 2026 |
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| 33, High Street475 m away | 64 m² | 81 m² | +17 m² +27% | 2022 |
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| 44, Barracks Row431 m away | 63 m² | 80 m² | +17 m² +27% | 2020 |
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| 22, Upper Row267 m away | 39 m² | 56 m² | +17 m² +44% | 2016 |
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| 31, Upper Row267 m away | 26 m² | 43 m² | +17 m² +65% | 2016 |
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| 28, Russell Street830 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
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| 71, Edward Street983 m away | 85 m² | 101 m² | +16 m² +19% | 2023 |
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| 3, Cross Morlais Street766 m away | 93 m² | 109 m² | +16 m² +17% | 2019 |
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| 10, Regent Street820 m away | 74 m² | 89 m² | +15 m² +20% | 2026 |
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| 32, Guest Cottages348 m away | 74 m² | 89 m² | +15 m² +20% | 2015 |
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| 3, Rees Street445 m away | 77 m² | 92 m² | +15 m² +19% | 2015 |
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