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 RH4 3LH
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 |
|---|---|---|---|---|
| Brooklands, Guildford Road981 m away | 140 m² | 322 m² | +182 m² +130% | 2021 |
| Vale Close, Balchins Lane309 m away | 125 m² | 252 m² | +127 m² +102% | 2026 |
| Mill, Westcott Street852 m away | 287 m² | 346 m² | +59 m² +21% | 2016 |
| Vale Lodge, Balchins Lane309 m away | 200 m² | 236 m² | +36 m² +18% | 2026 |
| Brooklands End, Guildford Road981 m away | 134 m² | 160 m² | +26 m² +19% | 2023 |
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.