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 LL15 1NY
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 |
|---|---|---|---|---|
| Rose Bank, Borthyn175 m away | 57 m² | 114 m² | +57 m² +100% | 2022 |
| Dolafon, Maes Dolwen0 m away | 76 m² | 124 m² | +48 m² +63% | 2026 |
| 12, Min Yr Afon584 m away | 37 m² | 85 m² | +48 m² +130% | 2017 |
| 45, Mwrog Street321 m away | 129 m² | 173 m² | +44 m² +34% | 2025 |
| 9a, Well Street765 m away | 40 m² | 83 m² | +43 m² +108% | 2022 |
| 11, Tyn Y Parc208 m away | 89 m² | 132 m² | +43 m² +48% | 2019 |
| 38, Clwyd Street583 m away | 87 m² | 130 m² | +43 m² +49% | 2016 |
| 4, Stryd Y Barcud648 m away | 87 m² | 128 m² | +41 m² +47% | 2020 |
| Rhoslwyn857 m away | 85 m² | 123 m² | +38 m² +45% | 2021 |
| Flat 1, South Prior House, St Peters Square673 m away | 65 m² | 93 m² | +28 m² +43% | 2025 |
| 24, Mwrog Street300 m away | 62 m² | 90 m² | +28 m² +45% | 2022 |
| Annedd Wen, Denbigh Road146 m away | 160 m² | 188 m² | +28 m² +18% | 2021 |
| 134, Mwrog Street407 m away | 53 m² | 80 m² | +27 m² +51% | 2025 |
| 5a, Upper Clwyd Street639 m away | 77 m² | 104 m² | +27 m² +35% | 2015 |
| 24, Borthyn190 m away | 91 m² | 117 m² | +26 m² +29% | 2023 |
| 3, Llys Y Castell988 m away | 36 m² | 61 m² | +25 m² +69% | 2019 |
| 5, Market Street823 m away | 134 m² | 158 m² | +24 m² +18% | 2013 |
| 139, Mwrog Street447 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
| 29, Llawr Y Dyffryn172 m away | 116 m² | 138 m² | +22 m² +19% | 2025 |
| 31, The Park188 m away | 87 m² | 109 m² | +22 m² +25% | 2011 |
| 11a, St Peters Square673 m away | 122 m² | 143 m² | +21 m² +17% | 2024 |
| 11, Llawr Y Dyffryn172 m away | 57 m² | 78 m² | +21 m² +37% | 2017 |
| Dolgoed, Maes Dolwen0 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
| 35, Borthyn175 m away | 56 m² | 75 m² | +19 m² +34% | 2023 |
| 5, Tan Y Castell824 m away | 108 m² | 127 m² | +19 m² +18% | 2014 |
| 50, The Park188 m away | 117 m² | 135 m² | +18 m² +15% | 2022 |
| 58, Borthyn190 m away | 81 m² | 98 m² | +17 m² +21% | 2021 |
| 147, Mwrog Street447 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
| Llandre, Prior Street642 m away | 89 m² | 106 m² | +17 m² +19% | 2017 |
| Apartment 7, Gweld Mynydd, Market Street892 m away | 48 m² | 64 m² | +16 m² +33% | 2025 |
| Carlton, Maes Dolwen0 m away | 71 m² | 87 m² | +16 m² +23% | 2014 |
| 7, Hafan Clwyd595 m away | 88 m² | 104 m² | +16 m² +18% | 2014 |
| 1, Railway Terrace998 m away | 92 m² | 107 m² | +15 m² +16% | 2024 |
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.