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 CF82 6AH
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 |
|---|---|---|---|---|
| 68, Bedwlwyn Road925 m away | 126 m² | 303 m² | +177 m² +140% | 2016 |
| Spare Moments, 21, Old Parish Road726 m away | 93 m² | 155 m² | +62 m² +67% | 2022 |
| 24, Heron Drive354 m away | 63 m² | 113 m² | +50 m² +79% | 2010 |
| 89, Lansbury Avenue339 m away | 99 m² | 146 m² | +47 m² +47% | 2017 |
| 25, Lewis Street911 m away | 120 m² | 164 m² | +44 m² +37% | 2014 |
| 77, Bedwlwyn Road888 m away | 93 m² | 134 m² | +41 m² +44% | 2021 |
| 26, Heron Drive354 m away | 76 m² | 113 m² | +37 m² +49% | 2010 |
| 14, Cae Melyn677 m away | 112 m² | 146 m² | +34 m² +30% | 2026 |
| 22, Cae Canol776 m away | 89 m² | 122 m² | +33 m² +37% | 2023 |
| 8, Hafod Goch766 m away | 108 m² | 140 m² | +32 m² +30% | 2026 |
| 5, Park Road863 m away | 127 m² | 157 m² | +30 m² +24% | 2023 |
| 41, Valley View905 m away | 129 m² | 159 m² | +30 m² +23% | 2020 |
| 10, Penybryn Terrace925 m away | 89 m² | 115 m² | +26 m² +29% | 2025 |
| 4, Tredomen Villas896 m away | 117 m² | 143 m² | +26 m² +22% | 2015 |
| 10, Hengoed Avenue750 m away | 76 m² | 102 m² | +26 m² +34% | 2013 |
| 2, Duffryn Street74 m away | 97 m² | 122 m² | +25 m² +26% | 2026 |
| 50, Heron Drive354 m away | 113 m² | 137 m² | +24 m² +21% | 2024 |
| 2, Beech Drive504 m away | 70 m² | 93 m² | +23 m² +33% | 2019 |
| 62, Bedwlwyn Road925 m away | 108 m² | 131 m² | +23 m² +21% | 2016 |
| Moorcroft, Hengoed Road514 m away | 149 m² | 172 m² | +23 m² +15% | 2013 |
| 9, Harrier Avenue768 m away | 90 m² | 112 m² | +22 m² +24% | 2026 |
| 5, Peregrine Close472 m away | 103 m² | 125 m² | +22 m² +21% | 2023 |
| 61, Hengoed Crescent634 m away | 81 m² | 103 m² | +22 m² +27% | 2014 |
| 4, Kingfisher Way730 m away | 90 m² | 110 m² | +20 m² +22% | 2025 |
| 14, Hengoed Hall Close495 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
| 24, Heol Gethin670 m away | 60 m² | 79 m² | +19 m² +32% | 2014 |
| Heath Bungalow, Nelson Road923 m away | 100 m² | 118 m² | +18 m² +18% | 2022 |
| Norwood House, 2a, Hengoed Road752 m away | 105 m² | 123 m² | +18 m² +17% | 2019 |
| 6, Lewis Street911 m away | 101 m² | 119 m² | +18 m² +18% | 2016 |
| 120, Hengoed Avenue758 m away | 61 m² | 78 m² | +17 m² +28% | 2026 |
| 95, Gelligaer Road573 m away | 75 m² | 92 m² | +17 m² +23% | 2014 |
| 53, Heathlands624 m away | 52 m² | 68 m² | +16 m² +31% | 2024 |
| 4, Brynamlwg636 m away | 62 m² | 77 m² | +15 m² +24% | 2024 |
| 6, Griffiths Street701 m away | 73 m² | 88 m² | +15 m² +21% | 2024 |
| 35, Cae Melyn677 m away | 65 m² | 80 m² | +15 m² +23% | 2023 |
| Hafan, Nelson Road913 m away | 79 m² | 94 m² | +15 m² +19% | 2021 |
| 23, Bedwlwyn Street857 m away | 57 m² | 72 m² | +15 m² +26% | 2020 |
| 4, The Close635 m away | 56 m² | 71 m² | +15 m² +27% | 2009 |
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.