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 CF83 3FX
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 |
|---|---|---|---|---|
| 53, Mill Road891 m away | 85 m² | 180 m² | +95 m² +112% | 2014 |
| 4, Heol Fach716 m away | 83 m² | 168 m² | +85 m² +102% | 2023 |
| 5, Heol Ganol849 m away | 87 m² | 140 m² | +53 m² +61% | 2025 |
| 10, Station Terrace926 m away | 49 m² | 100 m² | +51 m² +104% | 2019 |
| 5, Energlyn Crescent416 m away | 87 m² | 129 m² | +42 m² +48% | 2016 |
| 3, Heol Y Ddol706 m away | 52 m² | 94 m² | +42 m² +81% | 2014 |
| 47, Half Acre Court814 m away | 74 m² | 115 m² | +41 m² +55% | 2020 |
| 70, Mill Road657 m away | 69 m² | 106 m² | +37 m² +54% | 2022 |
| 20, Heol Y Nant660 m away |
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.
| 117 m² |
| +35 m² +43% |
| 2017 |
| 3, Bro Ger-Y-Nant839 m away | 79 m² | 114 m² | +35 m² +44% | 2015 |
|---|
| 120, Heol Y Ddol651 m away | 54 m² | 88 m² | +34 m² +63% | 2024 |
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| 9, Rhos Street435 m away | 57 m² | 91 m² | +34 m² +60% | 2021 |
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| 176, Pontygwindy Road488 m away | 88 m² | 121 m² | +33 m² +38% | 2024 |
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| 124, Heol Y Ddol651 m away | 71 m² | 103 m² | +32 m² +45% | 2024 |
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| 10, Gelli Dawel196 m away | 65 m² | 96 m² | +31 m² +48% | 2023 |
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| 1, Llwyn On Close278 m away | 107 m² | 138 m² | +31 m² +29% | 2019 |
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| 84, Brynglas632 m away | 59 m² | 88 m² | +29 m² +49% | 2020 |
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| 55, Waun Draw802 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
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| 26, Mill View380 m away | 77 m² | 105 m² | +28 m² +36% | 2025 |
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| 9, Brynglas780 m away | 77 m² | 105 m² | +28 m² +36% | 2025 |
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| 4, First Avenue944 m away | 108 m² | 136 m² | +28 m² +26% | 2025 |
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| 20, Mill View380 m away | 120 m² | 147 m² | +27 m² +23% | 2025 |
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| 5, Llewellyn Drive201 m away | 76 m² | 103 m² | +27 m² +36% | 2013 |
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| St. Andrews House, Troed Y Bryn901 m away | 84 m² | 110 m² | +26 m² +31% | 2022 |
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| 7, Caenant Road496 m away | 86 m² | 111 m² | +25 m² +29% | 2014 |
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| 9, Bowls Terrace864 m away | 86 m² | 110 m² | +24 m² +28% | 2026 |
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| 5, Virginia View797 m away | 83 m² | 107 m² | +24 m² +29% | 2024 |
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| 37, Waun Draw802 m away | 121 m² | 145 m² | +24 m² +20% | 2024 |
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| 22, Y Felin Ffrwd496 m away | 56 m² | 80 m² | +24 m² +43% | 2015 |
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| 5, Gellir Felin403 m away | 130 m² | 154 m² | +24 m² +18% | 2014 |
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| 30, Waun Draw802 m away | 98 m² | 121 m² | +23 m² +23% | 2026 |
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| 3, Heol Fach716 m away | 76 m² | 99 m² | +23 m² +30% | 2025 |
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| 25, Heol Y Ddol706 m away | 78 m² | 101 m² | +23 m² +29% | 2024 |
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| 264, Pontygwindy Road640 m away | 87 m² | 110 m² | +23 m² +26% | 2015 |
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| 45, Half Acre Court814 m away | 107 m² | 129 m² | +22 m² +21% | 2021 |
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| 7, Gellir Felin403 m away | 110 m² | 132 m² | +22 m² +20% | 2014 |
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| 134, Nantgarw Road893 m away | 67 m² | 88 m² | +21 m² +31% | 2022 |
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| 13, Y Felin Ffrwd496 m away | 59 m² | 80 m² | +21 m² +36% | 2016 |
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| 6, Y Felin Ffrwd496 m away | 60 m² | 81 m² | +21 m² +35% | 2015 |
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| 39, Heol Y Felin807 m away | 107 m² | 128 m² | +21 m² +20% | 2013 |
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| 40, Nantgarw Road812 m away | 75 m² | 95 m² | +20 m² +27% | 2025 |
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| Inisfail, Court Road484 m away | 77 m² | 97 m² | +20 m² +26% | 2018 |
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| 25, Y Felin Ffrwd496 m away | 60 m² | 80 m² | +20 m² +33% | 2016 |
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| 120, Pontygwindy Road697 m away | 76 m² | 95 m² | +19 m² +25% | 2023 |
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| 1, Maes Hir484 m away | 81 m² | 100 m² | +19 m² +23% | 2013 |
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| 39, Brynglas671 m away | 77 m² | 95 m² | +18 m² +23% | 2025 |
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| 21, Ael Y Bryn397 m away | 82 m² | 100 m² | +18 m² +22% | 2021 |
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| 7, Cae Gethin864 m away | 62 m² | 80 m² | +18 m² +29% | 2021 |
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| 18, Clos Y Cedr915 m away | 115 m² | 133 m² | +18 m² +16% | 2018 |
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| 8, Llewellyn Drive201 m away | 86 m² | 104 m² | +18 m² +21% | 2016 |
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| 12, Pantycelyn Drive348 m away | 69 m² | 87 m² | +18 m² +26% | 2015 |
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| 67, Heol Graigwen862 m away | 53 m² | 71 m² | +18 m² +34% | 2015 |
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| 9, Court Road240 m away | 85 m² | 103 m² | +18 m² +21% | 2013 |
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| 56, Heol Graigwen933 m away | 62 m² | 80 m² | +18 m² +29% | 2013 |
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| 18, Llwybr Y Coetir731 m away | 73 m² | 90 m² | +17 m² +23% | 2026 |
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| 2, Ceiriog Drive146 m away | 102 m² | 119 m² | +17 m² +17% | 2025 |
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| 91, Heol Aneurin834 m away | 71 m² | 88 m² | +17 m² +24% | 2023 |
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| 3, Y Cilffordd464 m away | 71 m² | 88 m² | +17 m² +24% | 2021 |
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| 7, Heol Y Ddol706 m away | 89 m² | 106 m² | +17 m² +19% | 2016 |
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| 2, Cae Pandy863 m away | 94 m² | 111 m² | +17 m² +18% | 2014 |
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| 4, Heol Y Nant660 m away | 83 m² | 99 m² | +16 m² +19% | 2025 |
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| 13, Waunfach Street460 m away | 82 m² | 98 m² | +16 m² +20% | 2021 |
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| 8, Heol Erw Y Rhos983 m away | 59 m² | 74 m² | +15 m² +25% | 2024 |
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| 104, Heol Y Ddol651 m away | 48 m² | 63 m² | +15 m² +31% | 2023 |
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| 20, Llys Nant Pandy571 m away | 94 m² | 109 m² | +15 m² +16% | 2017 |
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| 6, Waun Erw932 m away | 63 m² | 78 m² | +15 m² +24% | 2014 |
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| 12, Rhiw Fach829 m away | 87 m² | 102 m² | +15 m² +17% | 2013 |
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