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 DL15 9SS
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 |
|---|---|---|---|---|
| Lilac Lodge506 m away | 104 m² | 188 m² | +84 m² +81% | 2024 |
| 11, Jobson Meadows766 m away | 89 m² | 148 m² | +59 m² +66% | 2022 |
| Mulberry Cottage, High Road790 m away | 84 m² | 115 m² | +31 m² +37% | 2021 |
| 30, Deerness Heights595 m away | 79 m² | 108 m² | +29 m² +37% | 2023 |
| 2, East Lodge, Institute Terrace253 m away | 177 m² | 204 m² | +27 m² +15% | 2014 |
| 5, Moor Houses790 m away | 128 m² | 155 m² | +27 m² +21% | 2014 |
| 7, Hill Terrace281 m away | 67 m² | 92 m² | +25 m² +37% | 2013 |
| 10, Institute Terrace253 m away | 87 m² | 111 m² | +24 m² +28% | 2026 |
| 21, High Road621 m away | 63 m² | 87 m² | +24 m² +38% | 2014 |
| 11, Albert Terrace104 m away | 80 m² | 102 m² | +22 m² +28% | 2024 |
| 3, Moor Houses790 m away | 81 m² | 103 m² | +22 m² +27% | 2020 |
| 30, Mount Pleasant605 m away | 66 m² | 87 m² | +21 m² +32% | 2023 |
| 1, Moor Houses790 m away | 66 m² | 87 m² | +21 m² +32% | 2016 |
| 2, High Terrace790 m away | 82 m² | 102 m² | +20 m² +24% | 2025 |
| 32, Wooley Meadows660 m away | 73 m² | 93 m² | +20 m² +27% | 2022 |
| 10a, Billy Row Green93 m away | 61 m² | 80 m² | +19 m² +31% | 2014 |
| 20, Cooperative Terrace527 m away | 70 m² | 88 m² | +18 m² +26% | 2014 |
| 19, West Terrace0 m away | 43 m² | 60 m² | +17 m² +40% | 2025 |
| 9, Albert Terrace104 m away | 107 m² | 124 m² | +17 m² +16% | 2025 |
| 3, Billy Row Green93 m away | 88 m² | 105 m² | +17 m² +19% | 2022 |
| 13, Albert Terrace104 m away | 69 m² | 85 m² | +16 m² +23% | 2014 |
| 41, Deerness Heights595 m away | 79 m² | 94 m² | +15 m² +19% | 2024 |
| 15, Chestnut Grove573 m away | 56 m² | 71 m² | +15 m² +27% | 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.