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 LL55 4SH
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 |
|---|---|---|---|---|
| Eirianfa, Minafon Terrace55 m away | 107 m² | 186 m² | +79 m² +74% | 2021 |
| Glan-Y-Bala844 m away | 107 m² | 159 m² | +52 m² +49% | 2011 |
| 17, Goodman Street348 m away | 113 m² | 161 m² | +48 m² +42% | 2024 |
| 1, Fron Deg Terrace507 m away | 85 m² | 127 m² | +42 m² +49% | 2020 |
| 44, High Street317 m away | 138 m² | 176 m² | +38 m² +28% | 2016 |
| 23, High Street455 m away | 90 m² | 126 m² | +36 m² +40% | 2018 |
| Glaslyn, High Street216 m away | 99 m² | 131 m² | +32 m² +32% | 2019 |
| 22, Goodman Street348 m away | 82 m² | 113 m² | +31 m² +38% | 2019 |
| 5, Minafon Terrace55 m away | 104 m² | 132 m² | +28 m² +27% | 2022 |
| 53, Dol Elidir480 m away | 126 m² | 153 m² | +27 m² +21% | 2026 |
| 4, Llainwen Isaf323 m away | 49 m² | 75 m² | +26 m² +53% | 2021 |
| Derlwyn, High Street140 m away | 84 m² | 109 m² | +25 m² +30% | 2026 |
| 10, Goodman Street348 m away | 82 m² | 103 m² | +21 m² +26% | 2020 |
| 34, Newton Street398 m away | 65 m² | 85 m² | +20 m² +31% | 2022 |
| 1, Minafon Terrace55 m away | 81 m² | 101 m² | +20 m² +25% | 2021 |
| 28, Goodman Street348 m away | 62 m² | 80 m² | +18 m² +29% | 2014 |
| 5, Field Terrace336 m away | 79 m² | 96 m² | +17 m² +22% | 2025 |
| 7, Water Street470 m away | 57 m² | 72 m² | +15 m² +26% | 2021 |
| Snowdonia Sports Medicine, 59, High Street216 m away | 59 m² | 74 m² | +15 m² +25% | 2009 |
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.