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 CF31 5ES
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 |
|---|---|---|---|---|
| 47, Dol Nant Dderwen869 m away | 142 m² | 201 m² | +59 m² +42% | 2026 |
| 22, Hill Court135 m away | 130 m² | 181 m² | +51 m² +39% | 2009 |
| 36, Fairplace Close197 m away | 111 m² | 160 m² | +49 m² +44% | 2026 |
| 2, Bryn Derlwyn136 m away | 115 m² | 163 m² | +48 m² +42% | 2014 |
| 12, Wild Field311 m away | 68 m² | 109 m² | +41 m² +60% | 2020 |
| 25, Clos Henblas697 m away | 134 m² | 173 m² | +39 m² +29% | 2025 |
| 33, Heol Y Fronfraith Fawr532 m away | 134 m² | 165 m² | +31 m² +23% | 2022 |
| 76, Oaklands Road965 m away | 81 m² | 112 m² | +31 m² +38% | 2021 |
| 11, Wild Field311 m away | 139 m² | 170 m² | +31 m² +22% | 2018 |
| 143, Heol Y Bardd977 m away | 96 m² | 127 m² | +31 m² +32% | 2015 |
| 17, Maes Y Fedwen669 m away | 94 m² | 124 m² | +30 m² +32% | 2017 |
| 38, Allt Dderw241 m away | 83 m² | 112 m² | +29 m² +35% | 2013 |
| 5, Llwyn Coch510 m away | 103 m² | 130 m² | +27 m² +26% | 2015 |
| 6, Dan Y Deri618 m away | 121 m² | 148 m² | +27 m² +22% | 2015 |
| 12, Llwyn Y Groes872 m away | 101 m² | 127 m² | +26 m² +26% | 2014 |
| 25, Gelli Wen965 m away | 122 m² | 146 m² | +24 m² +20% | 2026 |
| 108, Heol Y Bardd977 m away | 94 m² | 118 m² | +24 m² +26% | 2023 |
| 33, Ffordd Y Groes520 m away | 121 m² | 145 m² | +24 m² +20% | 2017 |
| 42, Clos Henblas697 m away | 135 m² | 157 m² | +22 m² +16% | 2022 |
| 54, Chestnut Bush801 m away | 118 m² | 139 m² | +21 m² +18% | 2025 |
| 26, Fairplace Close197 m away | 132 m² | 153 m² | +21 m² +16% | 2018 |
| 18, Maes Yr Eirlys613 m away | 72 m² | 93 m² | +21 m² +29% | 2016 |
| 9, Gallt Y Ddrudwen409 m away | 88 m² | 107 m² | +19 m² +22% | 2021 |
| 60, Oaklands Avenue947 m away | 50 m² | 69 m² | +19 m² +38% | 2019 |
| 5, Gelli Wen965 m away | 78 m² | 97 m² | +19 m² +24% | 2016 |
| 8, Blaen Y Ddol774 m away | 74 m² | 92 m² | +18 m² +24% | 2022 |
| 19, Cae Llwydcoed0 m away | 110 m² | 128 m² | +18 m² +16% | 2020 |
| 43, Bryn Henfaes699 m away | 87 m² | 105 m² | +18 m² +21% | 2016 |
| 2, Esgair Y Maes576 m away | 95 m² | 112 m² | +17 m² +18% | 2021 |
| 120, Heol Y Bardd977 m away | 67 m² | 84 m² | +17 m² +25% | 2016 |
| 14, Maes Y Fedwen669 m away | 83 m² | 98 m² | +15 m² +18% | 2018 |
| 24, Parc Bronhaul113 m away | 66 m² | 81 m² | +15 m² +23% | 2013 |
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.