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 GL51 9SW
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 |
|---|---|---|---|---|
| 4, Homecroft Drive435 m away | 138 m² | 219 m² | +81 m² +59% | 2022 |
| Blenheim, Tewkesbury Road670 m away | 112 m² | 172 m² | +60 m² +54% | 2022 |
| 5, Rosebay Gardens813 m away | 128 m² | 175 m² | +47 m² +37% | 2025 |
| 27, Willowbrook Drive927 m away | 78 m² | 110 m² | +32 m² +41% | 2024 |
| 28, Siskin Drive789 m away | 76 m² | 95 m² | +19 m² +25% | 2026 |
| 39, Rosebay Gardens813 m away | 83 m² | 98 m² | +15 m² +18% | 2021 |
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.