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 WD7 9DZ
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 |
|---|---|---|---|---|
| 24, Harris Lane92 m away | 92 m² | 191 m² | +99 m² +108% | 2024 |
| 1, Wilton Farm Cottages, Radlett Lane649 m away | 100 m² | 175 m² | +75 m² +75% | 2013 |
| 12, Anderson Road223 m away | 96 m² | 167 m² | +71 m² +74% | 2022 |
| 14, Woodhall Lane196 m away | 76 m² | 143 m² | +67 m² +88% | 2018 |
| Summerhill, Rectory Lane596 m away | 83 m² | 139 m² | +56 m² +67% | 2022 |
| 6, Old Nursery Close176 m away | 108 m² | 164 m² | +56 m² +52% | 2021 |
| 9, London Road636 m away | 94 m² | 139 m² | +45 m² +48% | 2014 |
| Bramhall, King Edward Road478 m away | 87 m² | 125 m² | +38 m² +44% | 2014 |
| 12, New Road28 m away | 124 m² | 160 m² | +36 m² +29% | 2022 |
| 11, Mead Road303 m away | 88 m² | 124 m² | +36 m² +41% | 2020 |
| Old School House, London Road287 m away | 91 m² | 127 m² | +36 m² +40% | 2017 |
| 3, New Road0 m away | 122 m² | 155 m² | +33 m² +27% | 2024 |
| 4, Hillcrest Road409 m away | 106 m² | 139 m² | +33 m² +31% | 2017 |
| 54, London Road57 m away | 85 m² | 117 m² | +32 m² +38% | 2012 |
| 41, Newcome Road138 m away | 89 m² | 120 m² | +31 m² +35% | 2021 |
| 7, Pound Lane509 m away | 78 m² | 107 m² | +29 m² +37% | 2026 |
| 5, Harris Lane137 m away | 108 m² | 137 m² | +29 m² +27% | 2017 |
| 18, Mulberry Gardens840 m away | 81 m² | 106 m² | +25 m² +31% | 2022 |
| 37, Harris Lane225 m away | 77 m² | 99 m² | +22 m² +29% | 2023 |
| 7, Southerton Way957 m away | 130 m² | 151 m² | +21 m² +16% | 2017 |
| 18, Woodhall Lane196 m away | 86 m² | 107 m² | +21 m² +24% | 2016 |
| 1, Old Nursery Close176 m away | 117 m² | 136 m² | +19 m² +16% | 2021 |
| 42, Newcome Road121 m away | 79 m² | 98 m² | +19 m² +24% | 2019 |
| 7, Hillcrest Road436 m away | 88 m² | 106 m² | +18 m² +20% | 2022 |
| 3, London Road636 m away | 77 m² | 94 m² | +17 m² +22% | 2022 |
| 8, Newcome Road121 m away | 64 m² | 79 m² | +15 m² +23% | 2026 |
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.