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 DL16 7PP
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 |
|---|---|---|---|---|
| Delmere House, High Street181 m away | 136 m² | 203 m² | +67 m² +49% | 2025 |
| 78, High Street285 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
| 122, High Street453 m away | 95 m² | 132 m² | +37 m² +39% | 2021 |
| 10, Wilkinson Street379 m away | 107 m² | 142 m² | +35 m² +33% | 2022 |
| 94, High Street453 m away | 81 m² | 113 m² | +32 m² +40% | 2021 |
| 93, High Street371 m away | 94 m² | 113 m² | +19 m² +20% | 2025 |
| 128, High Street453 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
| 9, Shafto Street75 m away | 68 m² | 87 m² | +19 m² +28% | 2009 |
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.