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 CF47 9YE
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 |
|---|---|---|---|---|
| 14, The Grove915 m away | 176 m² | 255 m² | +79 m² +45% | 2015 |
| 35, Trevethick Street725 m away | 73 m² | 146 m² | +73 m² +100% | 2022 |
| 13, Alexandra Road759 m away | 196 m² | 260 m² | +64 m² +33% | 2015 |
| Alpine Lodge, Queens Road839 m away | 150 m² | 210 m² | +60 m² +40% | 2022 |
| 14, Brynglas Street172 m away | 67 m² | 127 m² | +60 m² +90% | 2014 |
| Bramblewood, Gwaelodygarth Close842 m away | 106 m² | 156 m² | +50 m² +47% | 2024 |
| 2, Aruma Court215 m away | 105 m² | 152 m² | +47 m² +45% | 2025 |
| 13, Brynheulog Street137 m away | 38 m² | 85 m² | +47 m² +124% | 2022 |
| 6, Lewis Terrace362 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.
| 77 m² |
| 123 m² |
| +46 m² +60% |
| 2015 |
| Uplands, Balaclava Road615 m away | 114 m² | 154 m² | +40 m² +35% | 2023 |
|---|
| 1, Wimbourne Street831 m away | 94 m² | 132 m² | +38 m² +40% | 2014 |
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| 15, Church Street227 m away | 65 m² | 99 m² | +34 m² +52% | 2025 |
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| 8, Alma Street843 m away | 57 m² | 91 m² | +34 m² +60% | 2014 |
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| 40, White Street963 m away | 50 m² | 83 m² | +33 m² +66% | 2018 |
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| 7, Morlais Street799 m away | 134 m² | 165 m² | +31 m² +23% | 2019 |
|---|
| 42, Gwaelodygarth768 m away | 66 m² | 96 m² | +30 m² +45% | 2020 |
|---|
| 100, Trevethick Street757 m away | 68 m² | 97 m² | +29 m² +43% | 2010 |
|---|
| 29a, Mount Pleasant Street824 m away | 64 m² | 92 m² | +28 m² +44% | 2020 |
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| 73, Mitchell Crescent551 m away | 87 m² | 114 m² | +27 m² +31% | 2025 |
|---|
| 4, Brynmair Terrace225 m away | 77 m² | 104 m² | +27 m² +35% | 2021 |
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| 29, Brynglas Street172 m away | 76 m² | 102 m² | +26 m² +34% | 2026 |
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| 11, Gellifaelog Terrace352 m away | 82 m² | 108 m² | +26 m² +32% | 2026 |
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| 48, North Street243 m away | 87 m² | 113 m² | +26 m² +30% | 2024 |
|---|
| 50, Balaclava Road615 m away | 51 m² | 77 m² | +26 m² +51% | 2022 |
|---|
| 50, Victoria Street987 m away | 73 m² | 99 m² | +26 m² +36% | 2015 |
|---|
| 4, Royal Crescent221 m away | 114 m² | 139 m² | +25 m² +22% | 2009 |
|---|
| 102, Trevethick Street757 m away | 78 m² | 102 m² | +24 m² +31% | 2024 |
|---|
| 17, Broad Street770 m away | 57 m² | 81 m² | +24 m² +42% | 2019 |
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| 6, Gwaunfarren Close178 m away | 128 m² | 151 m² | +23 m² +18% | 2022 |
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| 11, Williams Place106 m away | 85 m² | 108 m² | +23 m² +27% | 2021 |
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| 14, Broad Street770 m away | 62 m² | 85 m² | +23 m² +37% | 2016 |
|---|
| 2, Overton Street893 m away | 127 m² | 150 m² | +23 m² +18% | 2014 |
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| 16, Second Avenue783 m away | 74 m² | 96 m² | +22 m² +30% | 2020 |
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| 33, White Street963 m away | 76 m² | 98 m² | +22 m² +29% | 2018 |
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| 19, Seward Street313 m away | 73 m² | 95 m² | +22 m² +30% | 2015 |
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| 72, Church Street191 m away | 54 m² | 76 m² | +22 m² +41% | 2014 |
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| 62, Twelfth Avenue544 m away | 64 m² | 86 m² | +22 m² +34% | 2013 |
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| 3, Glynmil Close990 m away | 110 m² | 132 m² | +22 m² +20% | 2010 |
|---|
| 23, Urban Street167 m away | 75 m² | 96 m² | +21 m² +28% | 2026 |
|---|
| 28, Church Street227 m away | 57 m² | 78 m² | +21 m² +37% | 2025 |
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| 30, Greenfield Terrace334 m away | 69 m² | 90 m² | +21 m² +30% | 2020 |
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| 21, Odessa Street918 m away | 30 m² | 51 m² | +21 m² +70% | 2019 |
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| 27, Balaclava Road615 m away | 65 m² | 86 m² | +21 m² +32% | 2014 |
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| 37, Balaclava Road615 m away | 82 m² | 103 m² | +21 m² +26% | 2011 |
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| 28, Balaclava Road615 m away | 78 m² | 99 m² | +21 m² +27% | 2011 |
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| 3, Fothergill Street881 m away | 85 m² | 105 m² | +20 m² +24% | 2025 |
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| 4, Odessa Street918 m away | 49 m² | 69 m² | +20 m² +41% | 2022 |
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| 17, Tyllwyd Street290 m away | 81 m² | 101 m² | +20 m² +25% | 2019 |
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| 1, Thomas Terrace741 m away | 92 m² | 112 m² | +20 m² +22% | 2016 |
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| 2, Garth Villas817 m away | 34 m² | 54 m² | +20 m² +59% | 2014 |
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| 17, Overton Street893 m away | 52 m² | 71 m² | +19 m² +37% | 2026 |
|---|
| 54, Trevethick Street757 m away | 51 m² | 70 m² | +19 m² +37% | 2024 |
|---|
| 69, Church Street191 m away | 55 m² | 74 m² | +19 m² +35% | 2022 |
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| 28, Francis Street965 m away | 61 m² | 80 m² | +19 m² +31% | 2016 |
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| 12, Sycamore Road782 m away | 73 m² | 92 m² | +19 m² +26% | 2015 |
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| 25, Greenfield Terrace334 m away | 81 m² | 100 m² | +19 m² +23% | 2014 |
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| 60, Twelfth Avenue544 m away | 67 m² | 86 m² | +19 m² +28% | 2012 |
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| 5, Brynhyfryd Street112 m away | 88 m² | 106 m² | +18 m² +20% | 2020 |
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| 4, Winifred Street873 m away | 84 m² | 102 m² | +18 m² +21% | 2020 |
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| 10, Brynglas Street172 m away | 67 m² | 84 m² | +17 m² +25% | 2021 |
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| 17, Royal Crescent221 m away | 105 m² | 122 m² | +17 m² +16% | 2016 |
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| 22, Heritage Court773 m away | 77 m² | 94 m² | +17 m² +22% | 2014 |
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| 6, Williams Place106 m away | 94 m² | 111 m² | +17 m² +18% | 2013 |
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| 28, Russell Street615 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
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| 12, Gellifaelog Terrace352 m away | 85 m² | 101 m² | +16 m² +19% | 2023 |
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| 3, Cross Morlais Street744 m away | 93 m² | 109 m² | +16 m² +17% | 2019 |
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| 10, Regent Street711 m away | 74 m² | 89 m² | +15 m² +20% | 2026 |
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| 25, Baden Terrace780 m away | 79 m² | 94 m² | +15 m² +19% | 2023 |
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