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 CF44 0RR
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 |
|---|---|---|---|---|
| Noddfa, Little Row543 m away | 92 m² | 187 m² | +95 m² +103% | 2026 |
| 24, Phillip Street820 m away | 72 m² | 161 m² | +89 m² +124% | 2014 |
| 45, Greenways627 m away | 122 m² | 181 m² | +59 m² +48% | 2024 |
| 3, Griffith Street936 m away | 78 m² | 122 m² | +44 m² +56% | 2016 |
| 4, Orchard Drive675 m away | 73 m² | 117 m² | +44 m² +60% | 2014 |
| 1, Seymour Street744 m away | 66 m² | 100 m² | +34 m² +52% | 2025 |
| 4, Dean Street759 m away | 99 m² | 127 m² | +28 m² +28% | 2020 |
| 33, Dean Street759 m away | 62 m² | 87 m² | +25 m² +40% | 2023 |
| 36, Gospel Hall Terrace938 m away | 93 m² | 117 m² | +24 m² +26% | 2019 |
| 431, Cardiff Road972 m away | 64 m² | 88 m² | +24 m² +38% | 2018 |
| 3a, Hall Street788 m away | 119 m² | 142 m² | +23 m² +19% | 2025 |
| 23a, Bute Street862 m away | 77 m² | 100 m² | +23 m² +30% | 2018 |
| 2, Cardiff Road972 m away | 82 m² | 104 m² | +22 m² +27% | 2025 |
| Ingledene, Cwmbach Road935 m away | 89 m² | 111 m² | +22 m² +25% | 2024 |
| 62, Gloucester Street652 m away | 46 m² | 68 m² | +22 m² +48% | 2019 |
| 4, Heol Pen Nant657 m away | 76 m² | 97 m² | +21 m² +28% | 2026 |
| 75, Ynysllwyd Street993 m away | 43 m² | 64 m² | +21 m² +49% | 2018 |
| Rivendell, Cwmbach Road935 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
| 43b, Cardiff Street819 m away | 44 m² | 62 m² | +18 m² +41% | 2023 |
| 102, Wind Street906 m away | 51 m² | 69 m² | +18 m² +35% | 2022 |
| 18, Seymour Street744 m away | 120 m² | 138 m² | +18 m² +15% | 2017 |
| 59, Cardiff Street819 m away | 45 m² | 61 m² | +16 m² +36% | 2025 |
| 12b, Wind Street964 m away | 52 m² | 68 m² | +16 m² +31% | 2025 |
| 6, Cardiff Road972 m away | 70 m² | 86 m² | +16 m² +23% | 2024 |
| 48, Pembroke Street767 m away | 65 m² | 81 m² | +16 m² +25% | 2022 |
| 42 - 43, High Street921 m away | 51 m² | 66 m² | +15 m² +29% | 2025 |
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.