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 WA3 7BD
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 |
|---|---|---|---|---|
| Gresley House, Mustard Lane387 m away | 251 m² | 562 m² | +311 m² +124% | 2026 |
| 103, Heath Lane975 m away | 73 m² | 171 m² | +98 m² +134% | 2020 |
| 167, Mustard Lane569 m away | 121 m² | 199 m² | +78 m² +64% | 2021 |
| 165, Mustard Lane569 m away | 172 m² | 228 m² | +56 m² +33% | 2014 |
| 18, Deacons Close721 m away | 141 m² | 183 m² | +42 m² +30% | 2015 |
| 2, New Lane End916 m away | 114 m² | 155 m² | +41 m² +36% | 2020 |
| 3, Beech Farm, Heath Lane975 m away | 179 m² | 208 m² | +29 m² +16% | 2022 |
| Mustard Cottage, Sandy Lane538 m away | 146 m² | 172 m² | +26 m² +18% | 2024 |
| 32, Cornmill Court927 m away | 146 m² | 171 m² | +25 m² +17% | 2024 |
| 30, Cornmill Court927 m away | 92 m² | 109 m² | +17 m² +18% | 2025 |
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.