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 CF14 6QB
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 |
|---|---|---|---|---|
| 11, Heol Y Wern771 m away | 78 m² | 187 m² | +109 m² +140% | 2020 |
| 4, Lon Ysgubor882 m away | 75 m² | 162 m² | +87 m² +116% | 2026 |
| 116, Heol Uchaf437 m away | 109 m² | 193 m² | +84 m² +77% | 2018 |
| 2, Min Y Nant981 m away | 73 m² | 151 m² | +78 m² +107% | 2020 |
| 67, Wenallt Road751 m away | 99 m² | 176 m² | +77 m² +78% | 2022 |
| 3, Cefn Nant627 m away | 65 m² | 139 m² | +74 m² +114% | 2021 |
| 34, Brynteg929 m away | 89 m² | 157 m² | +68 m² +76% | 2018 |
| 14, Mur Gwyn848 m away | 79 m² | 141 m² | +62 m² +78% | 2022 |
| 19, Lon Y Rhyd949 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.
| 118 m² |
| +58 m² +97% |
| 2021 |
| 7, Clos Yr Wenallt866 m away | 77 m² | 134 m² | +57 m² +74% | 2019 |
|---|
| 15, Coed Yr Ynn626 m away | 63 m² | 119 m² | +56 m² +89% | 2012 |
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| 51, Heol Tyn Y Coed602 m away | 86 m² | 140 m² | +54 m² +63% | 2017 |
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| 11, Heol Tyn Y Coed744 m away | 78 m² | 127 m² | +49 m² +63% | 2017 |
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| 47, Heol Lewis0 m away | 98 m² | 140 m² | +42 m² +43% | 2025 |
|---|
| 2, Coed Y Wenallt512 m away | 112 m² | 153 m² | +41 m² +37% | 2026 |
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| 10, Bardsey Crescent670 m away | 44 m² | 85 m² | +41 m² +93% | 2022 |
|---|
| 8, Bassetts Field721 m away | 143 m² | 184 m² | +41 m² +29% | 2016 |
|---|
| 4, Gilwern Place983 m away | 81 m² | 122 m² | +41 m² +51% | 2014 |
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| 24, Heol Tyn Y Coed744 m away | 107 m² | 147 m² | +40 m² +37% | 2021 |
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| 12, Lowfield Drive928 m away | 196 m² | 236 m² | +40 m² +20% | 2013 |
|---|
| 23, Heol Nant Castan668 m away | 34 m² | 73 m² | +39 m² +115% | 2024 |
|---|
| 1, Clos Yr Wenallt866 m away | 86 m² | 125 m² | +39 m² +45% | 2024 |
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| 14, Heol Isaf461 m away | 62 m² | 101 m² | +39 m² +63% | 2020 |
|---|
| 27, Woodruff Way925 m away | 133 m² | 172 m² | +39 m² +29% | 2016 |
|---|
| 12, Heol Mabon579 m away | 72 m² | 110 m² | +38 m² +53% | 2026 |
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| 16, Heol Uchaf532 m away | 60 m² | 98 m² | +38 m² +63% | 2024 |
|---|
| 33, Heol Iscoed908 m away | 175 m² | 213 m² | +38 m² +22% | 2014 |
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| 59, Thornhill Road831 m away | 136 m² | 173 m² | +37 m² +27% | 2026 |
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| 16, Charlock Close693 m away | 133 m² | 170 m² | +37 m² +28% | 2025 |
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| 20, Erw Wen857 m away | 96 m² | 133 m² | +37 m² +39% | 2015 |
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| 12, Heol Lewis207 m away | 107 m² | 143 m² | +36 m² +34% | 2026 |
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| 19, Heol Erwin326 m away | 90 m² | 126 m² | +36 m² +40% | 2026 |
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| 2, Rhiwlas466 m away | 87 m² | 123 m² | +36 m² +41% | 2025 |
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| 10, Brynteg849 m away | 112 m² | 148 m² | +36 m² +32% | 2021 |
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| 11, Coed Yr Ynn626 m away | 67 m² | 101 m² | +34 m² +51% | 2024 |
|---|
| 9, Groes Lon986 m away | 103 m² | 136 m² | +33 m² +32% | 2024 |
|---|
| 64, Whitebarn Road710 m away | 72 m² | 105 m² | +33 m² +46% | 2015 |
|---|
| 7, Erw Wen857 m away | 79 m² | 112 m² | +33 m² +42% | 2013 |
|---|
| 10, Pen Y Cefn584 m away | 88 m² | 120 m² | +32 m² +36% | 2020 |
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| 18, Clos Ton Mawr371 m away | 84 m² | 115 m² | +31 m² +37% | 2023 |
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| 31, Angelica Way780 m away | 155 m² | 185 m² | +30 m² +19% | 2025 |
|---|
| 6, Heol Isaf461 m away | 32 m² | 62 m² | +30 m² +94% | 2024 |
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| 17, Heol Iscoed908 m away | 142 m² | 172 m² | +30 m² +21% | 2021 |
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| 43, Templeton Avenue540 m away | 94 m² | 123 m² | +29 m² +31% | 2019 |
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| 48, Heol Briwnant188 m away | 118 m² | 147 m² | +29 m² +25% | 2018 |
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| 15, Heol Uchaf532 m away | 68 m² | 97 m² | +29 m² +43% | 2016 |
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| 13, Clos William260 m away | 70 m² | 97 m² | +27 m² +39% | 2017 |
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| 27, Heol Peredur706 m away | 117 m² | 143 m² | +26 m² +22% | 2026 |
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| 68, Brynteg929 m away | 118 m² | 144 m² | +26 m² +22% | 2022 |
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| 89, Heol Lewis168 m away | 92 m² | 118 m² | +26 m² +28% | 2018 |
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| 4, Clos Y Graig596 m away | 65 m² | 90 m² | +25 m² +38% | 2024 |
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| 6, Heol Y Wern771 m away | 95 m² | 120 m² | +25 m² +26% | 2022 |
|---|
| 4, Thornhill Road999 m away | 160 m² | 185 m² | +25 m² +16% | 2015 |
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| 38, Heol Iscoed907 m away | 114 m² | 138 m² | +24 m² +21% | 2024 |
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| 2, Bassetts Field721 m away | 101 m² | 125 m² | +24 m² +24% | 2023 |
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| 56, Woodruff Way925 m away | 52 m² | 76 m² | +24 m² +46% | 2023 |
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| 114, Heol Uchaf380 m away | 85 m² | 109 m² | +24 m² +28% | 2016 |
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| 8, Heol Nant Castan668 m away | 78 m² | 102 m² | +24 m² +31% | 2015 |
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| 73, Morris Avenue568 m away | 102 m² | 125 m² | +23 m² +23% | 2026 |
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| 23, Bassetts Field721 m away | 101 m² | 124 m² | +23 m² +23% | 2019 |
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| 1, Lon Cae Porth138 m away | 102 m² | 125 m² | +23 m² +23% | 2018 |
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| 20, Llangranog Road718 m away | 34 m² | 57 m² | +23 m² +68% | 2015 |
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| 7, Pen Y Cefn584 m away | 77 m² | 100 m² | +23 m² +30% | 2014 |
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| 12, Lon Cae Porth138 m away | 114 m² | 136 m² | +22 m² +19% | 2026 |
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| 19, Heol Tyn Y Coed744 m away | 101 m² | 123 m² | +22 m² +22% | 2024 |
|---|
| 10, Gron Ffordd533 m away | 104 m² | 126 m² | +22 m² +21% | 2019 |
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| 28, Heol Briwnant303 m away | 126 m² | 148 m² | +22 m² +17% | 2017 |
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| 22, Mayflower Avenue310 m away | 84 m² | 106 m² | +22 m² +26% | 2015 |
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| 94, Brynteg822 m away | 88 m² | 109 m² | +21 m² +24% | 2024 |
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| 41, Cwm Nofydd859 m away | 116 m² | 137 m² | +21 m² +18% | 2024 |
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| 21, Whitebarn Road868 m away | 104 m² | 125 m² | +21 m² +20% | 2024 |
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| 44, Wenallt Road711 m away | 124 m² | 144 m² | +20 m² +16% | 2024 |
|---|
| 18, Tintagel Close729 m away | 44 m² | 64 m² | +20 m² +45% | 2021 |
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| 29, Lon Cae Porth138 m away | 59 m² | 79 m² | +20 m² +34% | 2018 |
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| 43, Avonridge642 m away | 111 m² | 131 m² | +20 m² +18% | 2013 |
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| 32, Heol Y Felin873 m away | 130 m² | 150 m² | +20 m² +15% | 2013 |
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| 21, Heol Mabon579 m away | 70 m² | 89 m² | +19 m² +27% | 2018 |
|---|
| 34, Heol Hendre664 m away | 60 m² | 79 m² | +19 m² +32% | 2015 |
|---|
| 9, Whitebarn Road868 m away | 93 m² | 112 m² | +19 m² +20% | 2015 |
|---|
| 1, Geraint Close640 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
|---|
| 22, Heol Erwin326 m away | 86 m² | 104 m² | +18 m² +21% | 2024 |
|---|
| 25, Heol Peredur706 m away | 118 m² | 136 m² | +18 m² +15% | 2024 |
|---|
| 55, Templeton Avenue540 m away | 77 m² | 95 m² | +18 m² +23% | 2022 |
|---|
| 24, Lon-Ysgubor882 m away | 116 m² | 134 m² | +18 m² +16% | 2018 |
|---|
| 23, Charlock Close693 m away | 113 m² | 131 m² | +18 m² +16% | 2015 |
|---|
| 2, Gilwern Place983 m away | 82 m² | 100 m² | +18 m² +22% | 2014 |
|---|
| 36, Heol Llanishen Fach767 m away | 69 m² | 86 m² | +17 m² +25% | 2025 |
|---|
| 8, Erw Wen857 m away | 73 m² | 90 m² | +17 m² +23% | 2023 |
|---|
| 3, Derwent Close917 m away | 106 m² | 123 m² | +17 m² +16% | 2010 |
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| 74, Cefn Graig783 m away | 56 m² | 72 m² | +16 m² +29% | 2023 |
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| 106, Llangranog Road974 m away | 79 m² | 95 m² | +16 m² +20% | 2017 |
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| 6, Lon Y Rhyd949 m away | 61 m² | 77 m² | +16 m² +26% | 2009 |
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| 121, Coed Y Wenallt493 m away | 81 m² | 96 m² | +15 m² +19% | 2025 |
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| 22, Woodruff Way925 m away | 78 m² | 93 m² | +15 m² +19% | 2022 |
|---|
| 1, Bardsey Crescent670 m away | 82 m² | 97 m² | +15 m² +18% | 2014 |
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