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 DL17 9BN
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 |
|---|---|---|---|---|
| 3, Bishopgarth326 m away | 81 m² | 171 m² | +90 m² +111% | 2014 |
| Hillcrest, Woodstock Terrace137 m away | 75 m² | 117 m² | +42 m² +56% | 2022 |
| 13, High Road259 m away | 76 m² | 116 m² | +40 m² +53% | 2016 |
| 9, Kiln Crescent148 m away | 94 m² | 128 m² | +34 m² +36% | 2021 |
| 1, Bank Top185 m away | 111 m² | 141 m² | +30 m² +27% | 2021 |
| 48, Roast Calf Lane123 m away | 147 m² | 176 m² | +29 m² +20% | 2014 |
| 12, Westfield Terrace174 m away | 89 m² | 112 m² | +23 m² +26% | 2020 |
| 19, High Street229 m away | 68 m² | 88 m² | +20 m² +29% | 2020 |
| 5, Church Street367 m away | 62 m² | 81 m² | +19 m² +31% | 2023 |
| 13, Insula Cottages274 m away | 84 m² | 102 m² | +18 m² +21% | 2021 |
| 14, Insula Cottages274 m away | 83 m² | 98 m² | +15 m² +18% | 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.