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 RG10 0NJ
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 |
|---|---|---|---|---|
| Viners, Mire Lane West End0 m away | 541 m² | 1,031 m² | +490 m² +91% | 2024 |
| Oak Cottage, West End392 m away | 238 m² | 471 m² | +233 m² +98% | 2017 |
| Temple Grove, Brook Lane810 m away | 230 m² | 457 m² | +227 m² +99% | 2020 |
| Westhaven, School Road712 m away | 126 m² | 164 m² | +38 m² +30% | 2025 |
| Old Oak Cottage, Sill Bridge Lane854 m away | 146 m² | 173 m² | +27 m² +18% | 2017 |
| Oakhurst, School Road712 m away | 128 m² | 152 m² | +24 m² +19% | 2011 |
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.