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 CF48 3PD
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 |
|---|---|---|---|---|
| 6, Calluna Close236 m away | 77 m² | 118 m² | +41 m² +53% | 2025 |
| 9, Guest Cottages522 m away | 49 m² | 90 m² | +41 m² +84% | 2017 |
| Uplands, Balaclava Road984 m away | 114 m² | 154 m² | +40 m² +35% | 2023 |
| 1, Wimbourne Street937 m away | 94 m² | 132 m² | +38 m² +40% | 2014 |
| 11, The Hafod868 m away | 47 m² | 83 m² | +36 m² +77% | 2014 |
| 8, Alma Street809 m away | 57 m² | 91 m² | +34 m² +60% | 2014 |
| 40, White Street803 m away | 50 m² | 83 m² | +33 m² +66% | 2018 |
| 7, Morlais Street843 m away | 134 m² | 165 m² | +31 m² +23% | 2019 |
| 14, Upper Row441 m away | 39 m² | 68 m² | +29 m² +74% | 2016 |
| 29a, Mount Pleasant Street773 m away | 64 m² | 92 m² | +28 m² +44% | 2020 |
| 50, Balaclava Road984 m away | 51 m² | 77 m² | +26 m² +51% | 2022 |
| 22, Blaen Dowlais394 m away | 61 m² | 87 m² | +26 m² +43% | 2015 |
| 50, Victoria Street732 m away | 73 m² | 99 m² | +26 m² +36% | 2015 |
| 17, Broad Street837 m away | 57 m² | 81 m² | +24 m² +42% | 2019 |
| 14, Broad Street837 m away | 62 m² | 85 m² | +23 m² +37% | 2016 |
| 2, Overton Street743 m away | 127 m² | 150 m² | +23 m² +18% | 2014 |
| 70, High Street351 m away | 48 m² | 70 m² | +22 m² +46% | 2021 |
| 33, White Street803 m away | 76 m² | 98 m² | +22 m² +29% | 2018 |
| 21, Odessa Street755 m away | 30 m² | 51 m² | +21 m² +70% | 2019 |
| 27, Balaclava Road984 m away | 65 m² | 86 m² | +21 m² +32% | 2014 |
| 37, Balaclava Road984 m away | 82 m² | 103 m² | +21 m² +26% | 2011 |
| 28, Balaclava Road984 m away | 78 m² | 99 m² | +21 m² +27% | 2011 |
| 4, Odessa Street755 m away | 49 m² | 69 m² | +20 m² +41% | 2022 |
| 1, Thomas Terrace939 m away | 92 m² | 112 m² | +20 m² +22% | 2016 |
| 17, Overton Street743 m away | 52 m² | 71 m² | +19 m² +37% | 2026 |
| 28, Francis Street871 m away | 61 m² | 80 m² | +19 m² +31% | 2016 |
| 3, Cross Blanche Street0 m away | 94 m² | 113 m² | +19 m² +20% | 2015 |
| 4, Winifred Street936 m away | 84 m² | 102 m² | +18 m² +21% | 2020 |
| 31, Station Terrace295 m away | 70 m² | 88 m² | +18 m² +26% | 2009 |
| 33, High Street354 m away | 64 m² | 81 m² | +17 m² +27% | 2022 |
| 44, Barracks Row602 m away | 63 m² | 80 m² | +17 m² +27% | 2020 |
| 22, Upper Row441 m away | 39 m² | 56 m² | +17 m² +44% | 2016 |
| 31, Upper Row441 m away | 26 m² | 43 m² | +17 m² +65% | 2016 |
| 28, Russell Street912 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
| 3, Cross Morlais Street886 m away | 93 m² | 109 m² | +16 m² +17% | 2019 |
| 10, Regent Street942 m away | 74 m² | 89 m² | +15 m² +20% | 2026 |
| 32, Guest Cottages522 m away | 74 m² | 89 m² | +15 m² +20% | 2015 |
| 3, Rees Street619 m away | 77 m² | 92 m² | +15 m² +19% | 2015 |
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.