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 SA15 1JT
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 |
|---|---|---|---|---|
| 7, Maes Conwy957 m away | 111 m² | 201 m² | +90 m² +81% | 2023 |
| 56, Wern Road956 m away | 59 m² | 146 m² | +87 m² +147% | 2014 |
| 26, Grant Street712 m away | 77 m² | 153 m² | +76 m² +99% | 2013 |
| 4, Clos Yr Ysgol590 m away | 106 m² | 181 m² | +75 m² +71% | 2023 |
| 62, Brynallt Terrace517 m away | 77 m² | 131 m² | +54 m² +70% | 2022 |
| 7, Evans Terrace727 m away | 68 m² | 116 m² | +48 m² +71% | 2015 |
| 12, Capel Terrace589 m away | 97 m² | 143 m² | +46 m² +47% | 2026 |
| Merrivale, Penygaer Road943 m away | 65 m² | 107 m² | +42 m² +65% | 2013 |
| 16, Coedcae Road436 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.
| 151 m² |
| +41 m² +37% |
| 2017 |
| 66, Glyncoed Terrace577 m away | 96 m² | 134 m² | +38 m² +40% | 2024 |
|---|
| 54, Nightingale Court282 m away | 78 m² | 116 m² | +38 m² +49% | 2020 |
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| 32, Alban Road687 m away | 73 m² | 111 m² | +38 m² +52% | 2019 |
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| 20, King Georges Avenue595 m away | 105 m² | 139 m² | +34 m² +32% | 2013 |
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| 3, Coedcae Uchaf115 m away | 93 m² | 126 m² | +33 m² +35% | 2019 |
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| 3, Coronation Road721 m away | 98 m² | 131 m² | +33 m² +34% | 2011 |
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| 61, Glenalla Road843 m away | 107 m² | 139 m² | +32 m² +30% | 2015 |
|---|
| 62, Firth Road588 m away | 69 m² | 101 m² | +32 m² +46% | 2013 |
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| 71, Penyfan Road390 m away | 78 m² | 109 m² | +31 m² +40% | 2015 |
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| 6, Alban Road687 m away | 105 m² | 136 m² | +31 m² +30% | 2015 |
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| 5, Cwrt Elusendy935 m away | 61 m² | 92 m² | +31 m² +51% | 2015 |
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| 2, Marble Hall Road849 m away | 72 m² | 102 m² | +30 m² +42% | 2024 |
|---|
| 44, Tir Capel816 m away | 78 m² | 107 m² | +29 m² +37% | 2013 |
|---|
| 45, Clos Y Gelli915 m away | 68 m² | 96 m² | +28 m² +41% | 2026 |
|---|
| 5, King Georges Avenue595 m away | 139 m² | 167 m² | +28 m² +20% | 2014 |
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| 33, Havard Road729 m away | 109 m² | 136 m² | +27 m² +25% | 2024 |
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| 30, College Hill810 m away | 98 m² | 124 m² | +26 m² +27% | 2025 |
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| 5, Prendergast Street981 m away | 108 m² | 134 m² | +26 m² +24% | 2025 |
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| 2, Cae Cotton988 m away | 96 m² | 122 m² | +26 m² +27% | 2023 |
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| 11, Wern Road972 m away | 78 m² | 104 m² | +26 m² +33% | 2015 |
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| 10, Marble Hall Road849 m away | 51 m² | 76 m² | +25 m² +49% | 2023 |
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| 30, Cedric Street694 m away | 89 m² | 114 m² | +25 m² +28% | 2019 |
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| 79, Swansea Road943 m away | 80 m² | 104 m² | +24 m² +30% | 2021 |
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| The Barn, Capel Isaf Road569 m away | 111 m² | 135 m² | +24 m² +22% | 2020 |
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| 8, Frondeg Terrace675 m away | 86 m² | 110 m² | +24 m² +28% | 2014 |
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| 33, Frondeg Terrace595 m away | 102 m² | 125 m² | +23 m² +23% | 2023 |
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| 11, Walters Road815 m away | 29 m² | 52 m² | +23 m² +79% | 2023 |
|---|
| 5, Frondeg Terrace675 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 3, Highfield Terrace918 m away | 96 m² | 119 m² | +23 m² +24% | 2019 |
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| 36, Gelli Deg744 m away | 104 m² | 127 m² | +23 m² +22% | 2016 |
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| 4, Heol Elli492 m away | 87 m² | 110 m² | +23 m² +26% | 2013 |
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| 14, Clos Yr Ysgol590 m away | 71 m² | 93 m² | +22 m² +31% | 2026 |
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| 42, Penallt Terrace717 m away | 93 m² | 115 m² | +22 m² +24% | 2026 |
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| 106, James Street888 m away | 50 m² | 72 m² | +22 m² +44% | 2021 |
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| 27, Llandafen Road813 m away | 76 m² | 97 m² | +21 m² +28% | 2024 |
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| 32, Penallt Terrace717 m away | 93 m² | 114 m² | +21 m² +23% | 2016 |
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| 29, Clifton Terrace731 m away | 98 m² | 119 m² | +21 m² +21% | 2014 |
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| 11, Cae Terrace524 m away | 133 m² | 153 m² | +20 m² +15% | 2025 |
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| 78, James Street895 m away | 92 m² | 112 m² | +20 m² +22% | 2025 |
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| 29, Bryntirion954 m away | 113 m² | 133 m² | +20 m² +18% | 2022 |
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| 7, Lower Cross Road357 m away | 75 m² | 95 m² | +20 m² +27% | 2020 |
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| 50, Marble Hall Road849 m away | 71 m² | 90 m² | +19 m² +27% | 2014 |
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| 20, Glyncoed Terrace577 m away | 80 m² | 99 m² | +19 m² +24% | 2011 |
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| 63, Glenalla Road843 m away | 90 m² | 108 m² | +18 m² +20% | 2026 |
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| 16, Clos Yr Ysgol590 m away | 106 m² | 124 m² | +18 m² +17% | 2023 |
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| 47, Coronation Road721 m away | 74 m² | 92 m² | +18 m² +24% | 2023 |
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| 36, Bigyn Road861 m away | 93 m² | 111 m² | +18 m² +19% | 2015 |
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| 24, Ridgewood Park400 m away | 96 m² | 113 m² | +17 m² +18% | 2025 |
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| 19, Pencae Terrace449 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 34, Marble Hall Road849 m away | 78 m² | 95 m² | +17 m² +22% | 2016 |
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| 59, Tyisha Road933 m away | 92 m² | 108 m² | +16 m² +17% | 2025 |
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| 50, Glyncoed Terrace577 m away | 69 m² | 85 m² | +16 m² +23% | 2011 |
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| 61, Wern Road972 m away | 52 m² | 67 m² | +15 m² +29% | 2023 |
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| 3, Heol Morfa986 m away | 83 m² | 98 m² | +15 m² +18% | 2016 |
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| 22, Bigyn Road934 m away | 100 m² | 115 m² | +15 m² +15% | 2013 |
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