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 0GP
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 |
|---|---|---|---|---|
| Stable Cottage795 m away | 211 m² | 301 m² | +90 m² +43% | 2024 |
| 5, Old Hall Farm823 m away | 179 m² | 263 m² | +84 m² +47% | 2026 |
| 32, Trinity Gardens360 m away | 96 m² | 159 m² | +63 m² +66% | 2026 |
| 1, Bainbridge Avenue640 m away | 76 m² | 127 m² | +51 m² +67% | 2014 |
| 59, Hall Lane Estate965 m away | 84 m² | 133 m² | +49 m² +58% | 2015 |
| 23, Clement Way111 m away | 108 m² | 152 m² | +44 m² +41% | 2025 |
| 3, Victoria Street596 m away | 68 m² | 110 m² | +42 m² +62% | 2015 |
| 22, Ash Drive461 m away | 71 m² | 112 m² | +41 m² +58% | 2016 |
| 7, Bainbridge Avenue640 m away | 75 m² | 111 m² | +36 m² +48% | 2015 |
| 20, Rectory Gardens343 m away | 135 m² | 168 m² | +33 m² +24% | 2012 |
| 2, Morton Close253 m away | 125 m² | 154 m² | +29 m² +23% | 2024 |
| 2, Snowden Terrace748 m away | 102 m² | 131 m² | +29 m² +28% | 2019 |
| 15, Surtees Drive238 m away | 170 m² | 197 m² | +27 m² +16% | 2024 |
| 17, Low Willington553 m away | 52 m² | 79 m² | +27 m² +52% | 2020 |
| 105 - 106, Commercial Street817 m away | 60 m² | 86 m² | +26 m² +43% | 2025 |
| 56, Railway Terrace834 m away | 89 m² | 115 m² | +26 m² +29% | 2010 |
| 39, Abbots Green389 m away | 125 m² | 149 m² | +24 m² +19% | 2014 |
| 24, Clement Way111 m away | 102 m² | 124 m² | +22 m² +22% | 2014 |
| 44, Hall Lane Estate965 m away | 83 m² | 104 m² | +21 m² +25% | 2021 |
| 27, Low Willington553 m away | 67 m² | 88 m² | +21 m² +31% | 2013 |
| 12, Manor Road493 m away | 82 m² | 102 m² | +20 m² +24% | 2021 |
| 28, Park Street744 m away | 70 m² | 88 m² | +18 m² +26% | 2025 |
| 20, Church View285 m away | 95 m² | 113 m² | +18 m² +19% | 2014 |
| 19, Fleming Way237 m away | 108 m² | 125 m² | +17 m² +16% | 2026 |
| 27, Abbey Gardens450 m away | 81 m² | 98 m² | +17 m² +21% | 2024 |
| 7, Park Street744 m away | 105 m² | 122 m² | +17 m² +16% | 2014 |
| 31, Ash Drive461 m away | 74 m² | 90 m² | +16 m² +22% | 2026 |
| 7, Eden Terrace609 m away | 80 m² | 96 m² | +16 m² +20% | 2023 |
| 5, Westmorland Place706 m away | 63 m² | 78 m² | +15 m² +24% | 2021 |
| 26, Commercial Street790 m away | 64 m² | 79 m² | +15 m² +23% | 2020 |
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.