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 CF37 1LU
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 |
|---|---|---|---|---|
| 2, Tyfica Road953 m away | 216 m² | 290 m² | +74 m² +34% | 2026 |
| Ty Bryngolwg, Hurford Street704 m away | 168 m² | 231 m² | +63 m² +38% | 2024 |
| 47, Woodland Terrace652 m away | 122 m² | 185 m² | +63 m² +52% | 2023 |
| 8, Courthouse Street535 m away | 193 m² | 254 m² | +61 m² +32% | 2012 |
| Hillcrest, Llantrisant Road303 m away | 62 m² | 113 m² | +51 m² +82% | 2016 |
| 55, Coed Isaf Road805 m away | 56 m² | 103 m² | +47 m² +84% | 2023 |
| 52, Broadway996 m away | 72 m² | 118 m² | +46 m² +64% | 2015 |
| 51, Broadway996 m away | 72 m² | 118 m² | +46 m² +64% | 2015 |
| 38, Broadway996 m away | 82 m² |
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.
| +44 m² +54% |
| 2016 |
| 5, St Andrews Road772 m away | 62 m² | 105 m² | +43 m² +69% | 2018 |
|---|
| 50, Broadway996 m away | 76 m² | 117 m² | +41 m² +54% | 2016 |
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| 58, Coed Isaf Road805 m away | 82 m² | 119 m² | +37 m² +45% | 2023 |
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| 31, Mound Road594 m away | 85 m² | 120 m² | +35 m² +41% | 2016 |
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| 39, Broadway996 m away | 117 m² | 150 m² | +33 m² +28% | 2013 |
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| 9a, High Street634 m away | 54 m² | 84 m² | +30 m² +56% | 2021 |
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| 15, Wood Road849 m away | 118 m² | 147 m² | +29 m² +25% | 2019 |
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| 16, Graig Street288 m away | 51 m² | 80 m² | +29 m² +57% | 2018 |
|---|
| 8, Graig Avenue0 m away | 114 m² | 143 m² | +29 m² +25% | 2015 |
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| 2, Bethel Street417 m away | 100 m² | 128 m² | +28 m² +28% | 2025 |
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| Oaklands, Llantrisant Road153 m away | 104 m² | 132 m² | +28 m² +27% | 2020 |
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| 17, Wood Road953 m away | 36 m² | 64 m² | +28 m² +78% | 2017 |
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| 2, Mitchell Terrace753 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
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| 46, Rosser Street496 m away | 80 m² | 107 m² | +27 m² +34% | 2025 |
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| 55, Tower Street987 m away | 74 m² | 101 m² | +27 m² +36% | 2025 |
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| 32, Woodland Terrace467 m away | 90 m² | 116 m² | +26 m² +29% | 2023 |
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| 19, Lee Street925 m away | 105 m² | 131 m² | +26 m² +25% | 2015 |
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| 9, Kirkhouse Street372 m away | 75 m² | 100 m² | +25 m² +33% | 2018 |
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| 19, Graig Terrace476 m away | 38 m² | 61 m² | +23 m² +61% | 2024 |
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| 30, Hurford Street704 m away | 82 m² | 105 m² | +23 m² +28% | 2022 |
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| 9, St Andrews Road772 m away | 63 m² | 85 m² | +22 m² +35% | 2024 |
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| 171, Wood Road849 m away | 85 m² | 106 m² | +21 m² +25% | 2024 |
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| 156, Wood Road849 m away | 111 m² | 132 m² | +21 m² +19% | 2019 |
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| 28, High Street387 m away | 75 m² | 95 m² | +20 m² +27% | 2022 |
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| 50, Vaughan Street998 m away | 99 m² | 119 m² | +20 m² +20% | 2018 |
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| 29, Broadway996 m away | 117 m² | 137 m² | +20 m² +17% | 2013 |
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| 36, Laura Street803 m away | 92 m² | 111 m² | +19 m² +21% | 2023 |
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| 14, Tower Street987 m away | 79 m² | 98 m² | +19 m² +24% | 2019 |
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| 30, Pwllgwaun Road947 m away | 83 m² | 101 m² | +18 m² +22% | 2016 |
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| 38, Coed Isaf Road724 m away | 79 m² | 96 m² | +17 m² +22% | 2025 |
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| 21, Grover Street412 m away | 80 m² | 97 m² | +17 m² +21% | 2019 |
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| 39, Leyshon Street146 m away | 93 m² | 110 m² | +17 m² +18% | 2016 |
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| 14, Grover Street412 m away | 71 m² | 87 m² | +16 m² +23% | 2026 |
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| 142, Wood Road953 m away | 106 m² | 122 m² | +16 m² +15% | 2025 |
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| 1, Hurford Crescent995 m away | 67 m² | 83 m² | +16 m² +24% | 2016 |
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| 5, Balmoral Close758 m away | 90 m² | 105 m² | +15 m² +17% | 2024 |
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| 6, Albert Road273 m away | 60 m² | 75 m² | +15 m² +25% | 2022 |
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| 13, Cliff Terrace937 m away | 81 m² | 96 m² | +15 m² +19% | 2021 |
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| 7, Balmoral Close758 m away | 82 m² | 97 m² | +15 m² +18% | 2016 |
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| 95, Taff Street748 m away | 40 m² | 55 m² | +15 m² +38% | 2015 |
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