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 CW1 5SL
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 |
|---|---|---|---|---|
| 2, Church View509 m away | 164 m² | 294 m² | +130 m² +79% | 2025 |
| St. Andrews Tower House, Crewe Road146 m away | 218 m² | 306 m² | +88 m² +40% | 2013 |
| 1, Rhodes Close109 m away | 125 m² | 182 m² | +57 m² +46% | 2014 |
| 33, Leyland Grove145 m away | 153 m² | 199 m² | +46 m² +30% | 2024 |
| 180, Crewe Road974 m away | 74 m² | 119 m² | +45 m² +61% | 2022 |
| 8b, Portland Grove574 m away | 45 m² | 90 m² | +45 m² +100% | 2014 |
| 10a, Portland Grove574 m away | 45 m² | 89 m² | +44 m² +98% | 2019 |
| 22, New Street468 m away | 127 m² | 168 m² | +41 m² +32% | 2025 |
| 17, Mere Street297 m away | 90 m² | 129 m² | +39 m² +43% | 2019 |
| 4, Palmerston Close509 m away | 120 m² | 158 m² | +38 m² +32% | 2025 |
| 5, Mount Pleasant328 m away | 45 m² | 81 m² | +36 m² +80% | 2026 |
| 51, Kingsley Road387 m away | 82 m² | 116 m² | +34 m² +41% | 2023 |
| 18, Cloverfields641 m away | 96 m² | 130 m² | +34 m² +35% | 2022 |
| 5, Cross Road232 m away | 169 m² | 203 m² | +34 m² +20% | 2015 |
| 132, Primrose Avenue602 m away | 63 m² | 93 m² | +30 m² +48% | 2018 |
| 4, Balfour Close304 m away | 47 m² | 75 m² | +28 m² +60% | 2026 |
| 51, Bradeley Road382 m away | 84 m² | 111 m² | +27 m² +32% | 2016 |
| 185, Primrose Avenue840 m away | 120 m² | 146 m² | +26 m² +22% | 2023 |
| 47a, Waterloo Road319 m away | 85 m² | 111 m² | +26 m² +31% | 2016 |
| 9, Mcmillen Road789 m away | 78 m² | 103 m² | +25 m² +32% | 2023 |
| 3, Cartwright Road926 m away | 87 m² | 112 m² | +25 m² +29% | 2014 |
| 37, West Street511 m away | 74 m² | 99 m² | +25 m² +34% | 2012 |
| 10, Cloverfields641 m away | 130 m² | 153 m² | +23 m² +18% | 2014 |
| 4, Wellesley Avenue418 m away | 120 m² | 143 m² | +23 m² +19% | 2012 |
| 5, Clifford Grove486 m away | 92 m² | 114 m² | +22 m² +24% | 2024 |
| 23, Kingsley Road387 m away | 78 m² | 99 m² | +21 m² +27% | 2016 |
| 64, Crewe Road172 m away | 119 m² | 139 m² | +20 m² +17% | 2025 |
| 29, Leyland Grove145 m away | 124 m² | 144 m² | +20 m² +16% | 2021 |
| 5, Jessop Way262 m away | 97 m² | 116 m² | +19 m² +20% | 2020 |
| 42, Cloverfields641 m away | 125 m² | 144 m² | +19 m² +15% | 2014 |
| 8, Lynton Grove854 m away | 117 m² | 136 m² | +19 m² +16% | 2013 |
| 42, Grenville Close629 m away | 80 m² | 97 m² | +17 m² +21% | 2026 |
| 17, Ashley Meadow654 m away | 62 m² | 79 m² | +17 m² +27% | 2020 |
| 12, Bradeley Road383 m away | 58 m² | 74 m² | +16 m² +28% | 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.