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 DN5 0QY
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 |
|---|---|---|---|---|
| Fern Villa, Askern Road0 m away | 75 m² | 159 m² | +84 m² +112% | 2019 |
| 326, Askern Road0 m away | 36 m² | 88 m² | +52 m² +144% | 2014 |
| 79, Adwick Lane193 m away | 74 m² | 116 m² | +42 m² +57% | 2016 |
| 14a, Hall Villa Lane309 m away | 141 m² | 164 m² | +23 m² +16% | 2014 |
| 18, Hall Villa Lane309 m away | 87 m² | 105 m² | +18 m² +21% | 2017 |
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.