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 3HD
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 Road249 m away | 85 m² | 180 m² | +95 m² +112% | 2014 |
| 71, Meadowland Close456 m away | 92 m² | 180 m² | +88 m² +96% | 2026 |
| 2, Porset Drive733 m away | 102 m² | 171 m² | +69 m² +68% | 2014 |
| 2, Castell Morgraig897 m away | 96 m² | 153 m² | +57 m² +59% | 2019 |
| 5, Heol Ganol748 m away | 87 m² | 140 m² | +53 m² +61% | 2025 |
| 4, Porset Drive733 m away | 88 m² | 139 m² | +51 m² +58% | 2025 |
| 42, Van Road812 m away | 53 m² | 103 m² | +50 m² +94% | 2023 |
| 12, Llys Y Celyn992 m away | 55 m² | 103 m² | +48 m² +87% | 2013 |
| 12, Ton Y Felin Road345 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.
| 119 m² |
| +47 m² +65% |
| 2016 |
| 3, Heol Y Ddol592 m away | 52 m² | 94 m² | +42 m² +81% | 2014 |
|---|
| 47, Half Acre Court423 m away | 74 m² | 115 m² | +41 m² +55% | 2020 |
|---|
| 15, Meadowland Close456 m away | 134 m² | 172 m² | +38 m² +28% | 2022 |
|---|
| 70, Mill Road329 m away | 69 m² | 106 m² | +37 m² +54% | 2022 |
|---|
| 20, Heol Y Nant700 m away | 82 m² | 117 m² | +35 m² +43% | 2017 |
|---|
| 3, Bro Ger-Y-Nant962 m away | 79 m² | 114 m² | +35 m² +44% | 2015 |
|---|
| 91, Sir Stafford Close792 m away | 48 m² | 82 m² | +34 m² +71% | 2026 |
|---|
| 120, Heol Y Ddol627 m away | 54 m² | 88 m² | +34 m² +63% | 2024 |
|---|
| 9, Rhos Street446 m away | 57 m² | 91 m² | +34 m² +60% | 2021 |
|---|
| 176, Pontygwindy Road501 m away | 88 m² | 121 m² | +33 m² +38% | 2024 |
|---|
| 31a, Van Road838 m away | 132 m² | 165 m² | +33 m² +25% | 2014 |
|---|
| 2, Attlee Court838 m away | 49 m² | 82 m² | +33 m² +67% | 2012 |
|---|
| 124, Heol Y Ddol627 m away | 71 m² | 103 m² | +32 m² +45% | 2024 |
|---|
| 10, Gelli Dawel870 m away | 65 m² | 96 m² | +31 m² +48% | 2023 |
|---|
| 1, Llwyn On Close803 m away | 107 m² | 138 m² | +31 m² +29% | 2019 |
|---|
| 26, Mill View588 m away | 77 m² | 105 m² | +28 m² +36% | 2025 |
|---|
| 20, Mill View588 m away | 120 m² | 147 m² | +27 m² +23% | 2025 |
|---|
| 33, Heol Trecastell979 m away | 76 m² | 103 m² | +27 m² +36% | 2025 |
|---|
| 47, Ludlow Street911 m away | 81 m² | 108 m² | +27 m² +33% | 2020 |
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| 7, Caenant Road421 m away | 84 m² | 111 m² | +27 m² +32% | 2014 |
|---|
| 5, Llewellyn Drive607 m away | 76 m² | 103 m² | +27 m² +36% | 2013 |
|---|
| 35, Bartlett Street967 m away | 82 m² | 108 m² | +26 m² +32% | 2021 |
|---|
| 40, Sir Stafford Close841 m away | 67 m² | 91 m² | +24 m² +36% | 2025 |
|---|
| 5, Virginia View104 m away | 83 m² | 107 m² | +24 m² +29% | 2024 |
|---|
| 128, Bedwas Road606 m away | 84 m² | 108 m² | +24 m² +29% | 2015 |
|---|
| 5, Gellir Felin991 m away | 130 m² | 154 m² | +24 m² +18% | 2014 |
|---|
| 30, White Street886 m away | 66 m² | 89 m² | +23 m² +35% | 2025 |
|---|
| 23, Ludlow Street911 m away | 100 m² | 123 m² | +23 m² +23% | 2025 |
|---|
| 25, Heol Y Ddol592 m away | 78 m² | 101 m² | +23 m² +29% | 2024 |
|---|
| 201, Bedwas Road833 m away | 58 m² | 81 m² | +23 m² +40% | 2021 |
|---|
| 264, Pontygwindy Road965 m away | 87 m² | 110 m² | +23 m² +26% | 2015 |
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| 31, Gwaun Newydd985 m away | 49 m² | 72 m² | +23 m² +47% | 2014 |
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| 20, White Street886 m away | 73 m² | 95 m² | +22 m² +30% | 2025 |
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| 4, White Street886 m away | 73 m² | 95 m² | +22 m² +30% | 2025 |
|---|
| 45, Half Acre Court423 m away | 107 m² | 129 m² | +22 m² +21% | 2021 |
|---|
| 7, Gellir Felin991 m away | 110 m² | 132 m² | +22 m² +20% | 2014 |
|---|
| 134, Nantgarw Road611 m away | 67 m² | 88 m² | +21 m² +31% | 2022 |
|---|
| 39, Heol Y Felin833 m away | 107 m² | 128 m² | +21 m² +20% | 2013 |
|---|
| 40, Nantgarw Road377 m away | 75 m² | 95 m² | +20 m² +27% | 2025 |
|---|
| 3, White Street886 m away | 88 m² | 108 m² | +20 m² +23% | 2021 |
|---|
| 13, Brookside Crescent753 m away | 49 m² | 69 m² | +20 m² +41% | 2020 |
|---|
| 77, Maxton Court711 m away | 58 m² | 78 m² | +20 m² +34% | 2013 |
|---|
| 120, Pontygwindy Road186 m away | 76 m² | 95 m² | +19 m² +25% | 2023 |
|---|
| 4, Parc Avenue972 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
|---|
| 8, Llewellyn Drive607 m away | 86 m² | 104 m² | +18 m² +21% | 2016 |
|---|
| 15, Bradford Street983 m away | 79 m² | 97 m² | +18 m² +23% | 2016 |
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| 64, Bartlett Street994 m away | 74 m² | 92 m² | +18 m² +24% | 2015 |
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| 9, Court Road945 m away | 85 m² | 103 m² | +18 m² +21% | 2013 |
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| 18, Llwybr Y Coetir907 m away | 73 m² | 90 m² | +17 m² +23% | 2026 |
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| 2, Ceiriog Drive647 m away | 102 m² | 119 m² | +17 m² +17% | 2025 |
|---|
| 7, Castell Morgraig897 m away | 101 m² | 118 m² | +17 m² +17% | 2022 |
|---|
| 172, Bedwas Road606 m away | 71 m² | 88 m² | +17 m² +24% | 2018 |
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| 7, Heol Y Ddol592 m away | 89 m² | 106 m² | +17 m² +19% | 2016 |
|---|
| 2, Cae Pandy737 m away | 94 m² | 111 m² | +17 m² +18% | 2014 |
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| 4, Heol Y Nant700 m away | 83 m² | 99 m² | +16 m² +19% | 2025 |
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| 159, Nantgarw Road856 m away | 62 m² | 78 m² | +16 m² +26% | 2025 |
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| 6, White Street886 m away | 75 m² | 91 m² | +16 m² +21% | 2023 |
|---|
| 13, Waunfach Street379 m away | 82 m² | 98 m² | +16 m² +20% | 2021 |
|---|
| 16, Stockland Street862 m away | 77 m² | 92 m² | +15 m² +19% | 2025 |
|---|
| 8, Heol Erw Y Rhos811 m away | 59 m² | 74 m² | +15 m² +25% | 2024 |
|---|
| 104, Heol Y Ddol627 m away | 48 m² | 63 m² | +15 m² +31% | 2023 |
|---|
| 4, Birch Grove811 m away | 64 m² | 79 m² | +15 m² +23% | 2022 |
|---|
| 20, Llys Nant Pandy589 m away | 94 m² | 109 m² | +15 m² +16% | 2017 |
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| 42, Castell Morgraig897 m away | 60 m² | 75 m² | +15 m² +25% | 2015 |
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| 6, Waun Erw778 m away | 63 m² | 78 m² | +15 m² +24% | 2014 |
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