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 DL13 1JG
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 |
|---|---|---|---|---|
| 1, High Grain666 m away | 124 m² | 238 m² | +114 m² +92% | 2012 |
| 15, Front Street927 m away | 132 m² | 194 m² | +62 m² +47% | 2014 |
| 4, Longhorn Ends0 m away | 119 m² | 175 m² | +56 m² +47% | 2022 |
| 12, South View993 m away | 121 m² | 157 m² | +36 m² +30% | 2020 |
| Old Coach House234 m away | 127 m² | 156 m² | +29 m² +23% | 2014 |
| 2, Copthill536 m away | 90 m² | 109 m² | +19 m² +21% | 2019 |
| 7, Burtreeford158 m away | 57 m² | 75 m² | +18 m² +32% | 2014 |
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.