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 4PG
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 |
|---|---|---|---|---|
| 62, Heol Goffa675 m away | 95 m² | 162 m² | +67 m² +71% | 2025 |
| Ty Ddraig772 m away | 132 m² | 189 m² | +57 m² +43% | 2026 |
| 36, Gower View560 m away | 62 m² | 119 m² | +57 m² +92% | 2011 |
| 17, Millfield Road904 m away | 87 m² | 140 m² | +53 m² +61% | 2024 |
| 11, Glanlliedi Terrace720 m away | 79 m² | 118 m² | +39 m² +49% | 2020 |
| 33, Salem Road586 m away | 76 m² | 113 m² | +37 m² +49% | 2020 |
| 27, Heol Daniel961 m away | 103 m² | 138 m² | +35 m² +34% | 2013 |
| 62, Parc Howard Avenue713 m away | 93 m² | 127 m² | +34 m² +37% | 2012 |
| 186, Felinfoel Road515 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
| 11, Waun Road879 m away | 61 m² | 93 m² | +32 m² +52% | 2025 |
| The Bourne, 2, Heol Innes451 m away | 83 m² | 113 m² | +30 m² +36% | 2012 |
| 11, Maes Werdd824 m away | 87 m² | 116 m² | +29 m² +33% | 2016 |
| 17, Llys Fran849 m away | 79 m² | 107 m² | +28 m² +35% | 2015 |
| 3, Panteg480 m away | 62 m² | 88 m² | +26 m² +42% | 2015 |
| 35, Parc Brynmawr0 m away | 76 m² | 102 m² | +26 m² +34% | 2011 |
| 8, Glan Yr Afon664 m away | 93 m² | 118 m² | +25 m² +27% | 2013 |
| 214, Felinfoel Road458 m away | 116 m² | 139 m² | +23 m² +20% | 2013 |
| 59, Pentrepoeth Road546 m away | 80 m² | 99 m² | +19 m² +24% | 2024 |
| 53, Tyr Fran Avenue771 m away | 107 m² | 125 m² | +18 m² +17% | 2022 |
| 58, Parc Howard Avenue713 m away | 80 m² | 98 m² | +18 m² +23% | 2017 |
| 2, The Dingle927 m away | 88 m² | 106 m² | +18 m² +20% | 2017 |
| 89, Parc Brynmawr0 m away | 49 m² | 67 m² | +18 m² +37% | 2014 |
| 48, Panteg520 m away | 94 m² | 111 m² | +17 m² +18% | 2026 |
| 6, Panteg480 m away | 91 m² | 108 m² | +17 m² +19% | 2023 |
| 4, Tros Maen881 m away | 64 m² | 81 m² | +17 m² +27% | 2022 |
| 116, Felinfoel Road729 m away | 59 m² | 75 m² | +16 m² +27% | 2021 |
| 41, Gower View560 m away | 96 m² | 111 m² | +15 m² +16% | 2014 |
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.