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 SG5 3AH
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 |
|---|---|---|---|---|
| 13, School Lane388 m away | 119 m² | 178 m² | +59 m² +50% | 2018 |
| 31, Garden Fields148 m away | 172 m² | 212 m² | +40 m² +23% | 2026 |
| 20, High Street87 m away | 77 m² | 115 m² | +38 m² +49% | 2026 |
| 9, Luton Road283 m away | 144 m² | 166 m² | +22 m² +15% | 2024 |
| 7, John Hall Court164 m away | 72 m² | 92 m² | +20 m² +28% | 2026 |
| 32, Gosling Avenue181 m away | 103 m² | 120 m² | +17 m² +17% | 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.