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 9EB
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 Lane0 m away | 92 m² | 191 m² | +99 m² +108% | 2024 |
| 1, Wilton Farm Cottages, Radlett Lane572 m away | 100 m² | 175 m² | +75 m² +75% | 2013 |
| 12, Anderson Road187 m away | 96 m² | 167 m² | +71 m² +74% | 2022 |
| 14, Woodhall Lane273 m away | 76 m² | 143 m² | +67 m² +88% | 2018 |
| Summerhill, Rectory Lane505 m away | 83 m² | 139 m² | +56 m² +67% | 2022 |
| 6, Old Nursery Close259 m away | 108 m² | 164 m² | +56 m² +52% | 2021 |
| 17, Greenwood Gardens978 m away | 62 m² | 110 m² | +48 m² +77% | 2016 |
| 9, London Road726 m away | 94 m² | 139 m² | +45 m² +48% | 2014 |
| Bramhall, King Edward Road386 m away | 87 m² | 125 m² | +38 m² +44% | 2014 |
| 12, New Road79 m away | 124 m² | 160 m² | +36 m² +29% | 2022 |
| 11, Mead Road211 m away | 88 m² | 124 m² | +36 m² +41% | 2020 |
| Old School House, London Road204 m away | 91 m² | 127 m² | +36 m² +40% | 2017 |
| 23, King Charles Road962 m away | 97 m² | 132 m² | +35 m² +36% | 2015 |
| 3, New Road92 m away | 122 m² | 155 m² | +33 m² +27% | 2024 |
| 4, Hillcrest Road321 m away | 106 m² | 139 m² | +33 m² +31% | 2017 |
| 54, London Road113 m away | 85 m² | 117 m² | +32 m² +38% | 2012 |
| 41, Newcome Road211 m away | 89 m² | 120 m² | +31 m² +35% | 2021 |
| 55, Greenwood Gardens978 m away | 120 m² | 150 m² | +30 m² +25% | 2021 |
| 7, Pound Lane418 m away | 78 m² | 107 m² | +29 m² +37% | 2026 |
| 5, Harris Lane45 m away | 108 m² | 137 m² | +29 m² +27% | 2017 |
| 18, Mulberry Gardens762 m away | 81 m² | 106 m² | +25 m² +31% | 2022 |
| 4, King Charles Road962 m away | 74 m² | 98 m² | +24 m² +32% | 2024 |
| 37, Harris Lane147 m away | 77 m² | 99 m² | +22 m² +29% | 2023 |
| 7, Southerton Way875 m away | 130 m² | 151 m² | +21 m² +16% | 2017 |
| 18, Woodhall Lane273 m away | 86 m² | 107 m² | +21 m² +24% | 2016 |
| 1, Old Nursery Close259 m away | 117 m² | 136 m² | +19 m² +16% | 2021 |
| 42, Newcome Road149 m away | 79 m² | 98 m² | +19 m² +24% | 2019 |
| 7, Hillcrest Road345 m away | 88 m² | 106 m² | +18 m² +20% | 2022 |
| 3, London Road726 m away | 77 m² | 94 m² | +17 m² +22% | 2022 |
| 8, Newcome Road149 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.