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 SA15 3SN
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 |
|---|---|---|---|---|
| 98, Felinfoel Road713 m away | 154 m² | 324 m² | +170 m² +110% | 2015 |
| 94, Felinfoel Road713 m away | 199 m² | 306 m² | +107 m² +54% | 2018 |
| 62, Heol Goffa247 m away | 95 m² | 162 m² | +67 m² +71% | 2025 |
| Ty Ddraig902 m away | 132 m² | 189 m² | +57 m² +43% | 2026 |
| 36, Gower View0 m away | 62 m² | 119 m² | +57 m² +92% | 2011 |
| 4, Woodend Road858 m away | 83 m² | 138 m² | +55 m² +66% | 2014 |
| 1, Brickyard Cottages940 m away | 75 m² | 128 m² | +53 m² +71% | 2018 |
| 3, Corporation Avenue710 m away | 98 m² | 148 m² | +50 m² +51% | 2021 |
| 2, Woodend Road858 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.
| 110 m² |
| 152 m² |
| +42 m² +38% |
| 2024 |
| Merrivale, Penygaer Road752 m away | 65 m² | 107 m² | +42 m² +65% | 2013 |
|---|
| 46, Gilbert Road948 m away | 102 m² | 143 m² | +41 m² +40% | 2016 |
|---|
| 11, Glanlliedi Terrace682 m away | 79 m² | 118 m² | +39 m² +49% | 2020 |
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| 33, Salem Road435 m away | 76 m² | 113 m² | +37 m² +49% | 2020 |
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| 27, Heol Daniel653 m away | 103 m² | 138 m² | +35 m² +34% | 2013 |
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| 62, Parc Howard Avenue431 m away | 93 m² | 127 m² | +34 m² +37% | 2012 |
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| 186, Felinfoel Road49 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
|---|
| 11, Waun Road395 m away | 61 m² | 93 m² | +32 m² +52% | 2025 |
|---|
| 7, Brynhyfryd772 m away | 83 m² | 115 m² | +32 m² +39% | 2016 |
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| The Bourne, 2, Heol Innes145 m away | 83 m² | 113 m² | +30 m² +36% | 2012 |
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| 11, Maes Werdd396 m away | 87 m² | 116 m² | +29 m² +33% | 2016 |
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| 17, Llys Fran321 m away | 79 m² | 107 m² | +28 m² +35% | 2015 |
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| 3, Union Buildings844 m away | 52 m² | 80 m² | +28 m² +54% | 2012 |
|---|
| 2, Cae Cotton698 m away | 96 m² | 122 m² | +26 m² +27% | 2023 |
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| 3, Panteg339 m away | 62 m² | 88 m² | +26 m² +42% | 2015 |
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| 35, Parc Brynmawr560 m away | 76 m² | 102 m² | +26 m² +34% | 2011 |
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| 97, James Street971 m away | 102 m² | 127 m² | +25 m² +25% | 2015 |
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| 8, Glan Yr Afon466 m away | 93 m² | 118 m² | +25 m² +27% | 2013 |
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| 79, Swansea Road908 m away | 80 m² | 104 m² | +24 m² +30% | 2021 |
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| 214, Felinfoel Road205 m away | 116 m² | 139 m² | +23 m² +20% | 2013 |
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| 42, Penallt Terrace969 m away | 93 m² | 115 m² | +22 m² +24% | 2026 |
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| 106, James Street893 m away | 50 m² | 72 m² | +22 m² +44% | 2021 |
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| 93, Felinfoel Road857 m away | 102 m² | 124 m² | +22 m² +22% | 2016 |
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| 32, Penallt Terrace969 m away | 93 m² | 114 m² | +21 m² +23% | 2016 |
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| 29, Clifton Terrace975 m away | 98 m² | 119 m² | +21 m² +21% | 2014 |
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| 42, Andrew Street977 m away | 66 m² | 87 m² | +21 m² +32% | 2013 |
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| 22, Felinfoel Road960 m away | 70 m² | 90 m² | +20 m² +29% | 2025 |
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| 78, James Street988 m away | 92 m² | 112 m² | +20 m² +22% | 2025 |
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| 29, Bryntirion769 m away | 113 m² | 133 m² | +20 m² +18% | 2022 |
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| 59, Pentrepoeth Road492 m away | 80 m² | 99 m² | +19 m² +24% | 2024 |
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| 53, Tyr Fran Avenue373 m away | 107 m² | 125 m² | +18 m² +17% | 2022 |
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| 58, Parc Howard Avenue431 m away | 80 m² | 98 m² | +18 m² +23% | 2017 |
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| 2, The Dingle947 m away | 88 m² | 106 m² | +18 m² +20% | 2017 |
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| 89, Parc Brynmawr560 m away | 49 m² | 67 m² | +18 m² +37% | 2014 |
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| 48, Panteg474 m away | 94 m² | 111 m² | +17 m² +18% | 2026 |
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| 34, Gilbert Crescent934 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 28, Prospect Place980 m away | 72 m² | 89 m² | +17 m² +24% | 2026 |
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| 6, Panteg339 m away | 91 m² | 108 m² | +17 m² +19% | 2023 |
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| 4, Tros Maen454 m away | 64 m² | 81 m² | +17 m² +27% | 2022 |
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| 73, Felinfoel Road857 m away | 85 m² | 102 m² | +17 m² +20% | 2015 |
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| 44, Gilbert Crescent934 m away | 112 m² | 129 m² | +17 m² +15% | 2014 |
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| 116, Felinfoel Road374 m away | 59 m² | 75 m² | +16 m² +27% | 2021 |
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| 14, Andrew Street977 m away | 81 m² | 96 m² | +15 m² +19% | 2025 |
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| 41, Gower View0 m away | 96 m² | 111 m² | +15 m² +16% | 2014 |
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