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 2DH
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 |
|---|---|---|---|---|
| 10, Nuns Crescent569 m away | 104 m² | 199 m² | +95 m² +91% | 2022 |
| 85a, Coedpenmaen Road929 m away | 88 m² | 174 m² | +86 m² +98% | 2024 |
| 59, Graigwen Road773 m away | 92 m² | 178 m² | +86 m² +93% | 2015 |
| 9, Wingfield Close773 m away | 109 m² | 184 m² | +75 m² +69% | 2023 |
| 2, Tyfica Road510 m away | 216 m² | 290 m² | +74 m² +34% | 2026 |
| 35, Graigwen Road608 m away | 89 m² | 162 m² | +73 m² +82% | 2015 |
| 9, Nuns Crescent569 m away | 120 m² | 183 m² | +63 m² +53% | 2025 |
| 47, Woodland Terrace960 m away | 122 m² | 185 m² | +63 m² +52% | 2023 |
| 8, Courthouse Street857 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.
| 193 m² |
| 254 m² |
| +61 m² +32% |
| 2012 |
| 18b, Lan Park Road0 m away | 103 m² | 160 m² | +57 m² +55% | 2023 |
|---|
| 7, Barry Road968 m away | 90 m² | 146 m² | +56 m² +62% | 2014 |
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| 2, Fron Terrace698 m away | 87 m² | 140 m² | +53 m² +61% | 2022 |
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| 9, Pleasant View656 m away | 89 m² | 140 m² | +51 m² +57% | 2013 |
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| 137, Bonvilston Road439 m away | 83 m² | 133 m² | +50 m² +60% | 2013 |
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| 31, Whiterock Close483 m away | 102 m² | 149 m² | +47 m² +46% | 2022 |
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| 20, Sion Street197 m away | 89 m² | 127 m² | +38 m² +43% | 2026 |
|---|
| 4, Hillside View547 m away | 70 m² | 108 m² | +38 m² +54% | 2021 |
|---|
| 15, Whiterock Drive581 m away | 81 m² | 119 m² | +38 m² +47% | 2014 |
|---|
| 8, Highfield Terrace481 m away | 127 m² | 163 m² | +36 m² +28% | 2016 |
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| 39, Sheppard Street834 m away | 81 m² | 114 m² | +33 m² +41% | 2021 |
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| 16, Hospital Road976 m away | 87 m² | 118 m² | +31 m² +36% | 2014 |
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| 6, Maes Y Deri894 m away | 122 m² | 152 m² | +30 m² +25% | 2024 |
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| 211, Merthyr Road919 m away | 99 m² | 129 m² | +30 m² +30% | 2022 |
|---|
| 9a, High Street781 m away | 54 m² | 84 m² | +30 m² +56% | 2021 |
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| 19, Thurston Road506 m away | 53 m² | 82 m² | +29 m² +55% | 2014 |
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| 13, Aelybryn936 m away | 80 m² | 108 m² | +28 m² +35% | 2026 |
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| 49, Whiterock Avenue591 m away | 87 m² | 115 m² | +28 m² +32% | 2016 |
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| 41, Park Prospect344 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 35, Middle Street263 m away | 72 m² | 98 m² | +26 m² +36% | 2020 |
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| 19, Lee Street735 m away | 105 m² | 131 m² | +26 m² +25% | 2015 |
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| 14, Pantygraigwen Road938 m away | 102 m² | 128 m² | +26 m² +25% | 2013 |
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| 127, Hopkinstown Road965 m away | 79 m² | 104 m² | +25 m² +32% | 2009 |
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| 34, Bassett Street596 m away | 87 m² | 111 m² | +24 m² +28% | 2024 |
|---|
| 18, Berw Road130 m away | 78 m² | 102 m² | +24 m² +31% | 2016 |
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| 44, Sion Street197 m away | 60 m² | 83 m² | +23 m² +38% | 2026 |
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| 37, Berw Road130 m away | 131 m² | 154 m² | +23 m² +18% | 2025 |
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| 3, Whiterock Drive581 m away | 51 m² | 74 m² | +23 m² +45% | 2022 |
|---|
| 20, Bonvilston Road439 m away | 79 m² | 102 m² | +23 m² +29% | 2016 |
|---|
| 96, Middle Street263 m away | 72 m² | 94 m² | +22 m² +31% | 2026 |
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| 19, Mackintosh Road691 m away | 105 m² | 127 m² | +22 m² +21% | 2025 |
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| 2, Thurston Road506 m away | 90 m² | 112 m² | +22 m² +24% | 2017 |
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| 27, Lan Park Road0 m away | 127 m² | 149 m² | +22 m² +17% | 2015 |
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| 14, Hillside View547 m away | 67 m² | 89 m² | +22 m² +33% | 2012 |
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| 114, Bonvilston Road690 m away | 94 m² | 115 m² | +21 m² +22% | 2026 |
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| 70, Berw Road545 m away | 92 m² | 113 m² | +21 m² +23% | 2023 |
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| 6, Hilltop Crescent900 m away | 79 m² | 100 m² | +21 m² +27% | 2023 |
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| 4, Middle Street286 m away | 60 m² | 81 m² | +21 m² +35% | 2014 |
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| 83, Bonvilston Road690 m away | 51 m² | 71 m² | +20 m² +39% | 2026 |
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| 14, Pencoed Avenue992 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
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| 50, Vaughan Street760 m away | 99 m² | 119 m² | +20 m² +20% | 2018 |
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| 21, Lan Close452 m away | 93 m² | 112 m² | +19 m² +20% | 2015 |
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| 13, Coronation Terrace1000 m away | 76 m² | 95 m² | +19 m² +25% | 2015 |
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| 83, East Street304 m away | 62 m² | 80 m² | +18 m² +29% | 2026 |
|---|
| 2, North Street286 m away | 32 m² | 50 m² | +18 m² +56% | 2021 |
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| 5, Ruperra Court, Berw Road115 m away | 83 m² | 101 m² | +18 m² +22% | 2020 |
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| 30, Pwllgwaun Road762 m away | 83 m² | 101 m² | +18 m² +22% | 2016 |
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| 8, Thurston Road506 m away | 69 m² | 86 m² | +17 m² +25% | 2026 |
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| 21, Grover Street986 m away | 80 m² | 97 m² | +17 m² +21% | 2019 |
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| 101, Berw Road545 m away | 86 m² | 102 m² | +16 m² +19% | 2026 |
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| 14, Grover Street986 m away | 71 m² | 87 m² | +16 m² +23% | 2026 |
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| 172, Merthyr Road919 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| 28, Hillside View547 m away | 73 m² | 89 m² | +16 m² +22% | 2024 |
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| 138, Coedpenmaen Road724 m away | 94 m² | 110 m² | +16 m² +17% | 2020 |
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| 30, Sion Street197 m away | 36 m² | 52 m² | +16 m² +44% | 2017 |
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| 1, Hurford Crescent600 m away | 67 m² | 83 m² | +16 m² +24% | 2016 |
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| 84, Bonvilston Road690 m away | 73 m² | 89 m² | +16 m² +22% | 2016 |
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| 21, The Avenue665 m away | 77 m² | 93 m² | +16 m² +21% | 2015 |
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| 88, Middle Street263 m away | 69 m² | 84 m² | +15 m² +22% | 2024 |
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| 23, Park Prospect344 m away | 83 m² | 98 m² | +15 m² +18% | 2021 |
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| 12, West Street269 m away | 48 m² | 63 m² | +15 m² +31% | 2020 |
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| 67a, Coedpenmaen Road929 m away | 79 m² | 94 m² | +15 m² +19% | 2020 |
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| 5, Rose Cottages, Sheppard Street834 m away | 81 m² | 96 m² | +15 m² +19% | 2016 |
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| 95, Taff Street666 m away | 40 m² | 55 m² | +15 m² +38% | 2015 |
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