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 2AT
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 Street24 m away | 82 m² | 139 m² | +57 m² +70% | 2016 |
| 9, Guest Cottages629 m away | 49 m² | 90 m² | +41 m² +84% | 2017 |
| Tawelfryn328 m away | 66 m² | 102 m² | +36 m² +55% | 2022 |
| 90, Gwladys Street24 m away | 69 m² | 105 m² | +36 m² +52% | 2015 |
| 11, The Hafod346 m away | 47 m² | 83 m² | +36 m² +77% | 2014 |
| 40, White Street887 m away | 50 m² | 83 m² | +33 m² +66% | 2018 |
| 6, Pantyscallog Houses328 m away | 104 m² | 136 m² | +32 m² +31% | 2025 |
| 14, Upper Row688 m away | 39 m² | 68 m² | +29 m² +74% | 2016 |
| 20, Gwladys Street24 m away | 76 m² | 102 m² | +26 m² +34% | 2016 |
| 50, Victoria Street889 m away | 73 m² | 99 m² | +26 m² +36% | 2015 |
| 25, Brecon Rise325 m away | 80 m² | 106 m² | +26 m² +33% | 2010 |
| 40, Gwladys Street24 m away | 98 m² | 123 m² | +25 m² +26% | 2015 |
| 46, The Hawthorns476 m away | 135 m² | 159 m² | +24 m² +18% | 2021 |
| 80, Gwladys Street24 m away | 92 m² | 115 m² | +23 m² +25% | 2016 |
| 33, White Street887 m away | 76 m² | 98 m² | +22 m² +29% | 2018 |
| 21, Odessa Street962 m away | 30 m² | 51 m² | +21 m² +70% | 2019 |
| 4, Odessa Street962 m away | 49 m² | 69 m² | +20 m² +41% | 2022 |
| 28, Francis Street870 m away | 61 m² | 80 m² | +19 m² +31% | 2016 |
| 16, Queen Street273 m away | 98 m² | 116 m² | +18 m² +18% | 2025 |
| 4, Winifred Street959 m away | 84 m² | 102 m² | +18 m² +21% | 2020 |
| 70, Gwladys Street24 m away | 80 m² | 98 m² | +18 m² +23% | 2017 |
| 37, Gwladys Street0 m away | 86 m² | 103 m² | +17 m² +20% | 2026 |
| 21, Pantyscallog Houses328 m away | 44 m² | 61 m² | +17 m² +39% | 2024 |
| 44, Barracks Row680 m away | 63 m² | 80 m² | +17 m² +27% | 2020 |
| 22, Upper Row688 m away | 39 m² | 56 m² | +17 m² +44% | 2016 |
| 31, Upper Row688 m away | 26 m² | 43 m² | +17 m² +65% | 2016 |
| 71, Edward Street69 m away | 85 m² | 101 m² | +16 m² +19% | 2023 |
| 49, Heol Y Bryniau627 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
| 25, Heol Y Bryniau627 m away | 85 m² | 101 m² | +16 m² +19% | 2016 |
| 84, Brecon Rise279 m away | 86 m² | 101 m² | +15 m² +17% | 2015 |
| 3, Rees Street611 m away | 77 m² | 92 m² | +15 m² +19% | 2015 |
| 32, Guest Cottages629 m away | 74 m² | 89 m² | +15 m² +20% | 2015 |
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.