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 9SG
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 |
|---|---|---|---|---|
| Anchorage House, Anchorage Lane791 m away | 243 m² | 356 m² | +113 m² +47% | 2024 |
| 5, Haslemere Grove709 m away | 78 m² | 155 m² | +77 m² +99% | 2024 |
| 134, Bentley Road831 m away | 85 m² | 160 m² | +75 m² +88% | 2024 |
| 51, Bentley Road90 m away | 96 m² | 149 m² | +53 m² +55% | 2023 |
| 28, Dockin Hill Road964 m away | 58 m² | 111 m² | +53 m² +91% | 2014 |
| 269, Bentley Road678 m away | 61 m² | 110 m² | +49 m² +80% | 2013 |
| 335, Bentley Road678 m away | 90 m² | 137 m² | +47 m² +52% | 2024 |
| 235, Bentley Road439 m away | 137 m² | 183 m² | +46 m² +34% | 2013 |
| Wynmoor, York Road532 m away | 53 m² | 98 m² | +45 m² +85% | 2014 |
| 54, Grove Avenue703 m away | 31 m² | 75 m² | +44 m² +142% | 2020 |
| 123, Sprotbrough Road830 m away | 75 m² | 115 m² | +40 m² +53% | 2022 |
| 85, Bentley Road90 m away | 64 m² | 104 m² | +40 m² +63% | 2014 |
| 117, Sprotbrough Road830 m away | 82 m² | 117 m² | +35 m² +43% | 2024 |
| 15, Bentley Road90 m away | 90 m² | 123 m² | +33 m² +37% | 2019 |
| 159, Bentley Road439 m away | 77 m² | 108 m² | +31 m² +40% | 2013 |
| 9, Mayfield Road514 m away | 82 m² | 110 m² | +28 m² +34% | 2024 |
| 67, Bentley Road90 m away | 94 m² | 122 m² | +28 m² +30% | 2021 |
| 70, Bentley Road577 m away | 89 m² | 116 m² | +27 m² +30% | 2022 |
| 42, Grange Court473 m away | 31 m² | 58 m² | +27 m² +87% | 2016 |
| 31, Sprotbrough Road498 m away | 99 m² | 125 m² | +26 m² +26% | 2024 |
| 5, Bentley Road90 m away | 75 m² | 101 m² | +26 m² +35% | 2014 |
| 16, Allerton Street983 m away | 39 m² | 62 m² | +23 m² +59% | 2025 |
| 40, Frank Road412 m away | 78 m² | 101 m² | +23 m² +29% | 2014 |
| 78, Grange Court473 m away | 63 m² | 85 m² | +22 m² +35% | 2022 |
| 13, Northfield Road558 m away | 66 m² | 88 m² | +22 m² +33% | 2015 |
| 62, Market Road960 m away | 86 m² | 107 m² | +21 m² +24% | 2015 |
| 21, Yarborough Terrace180 m away | 79 m² | 97 m² | +18 m² +23% | 2025 |
| 32, Earlston Drive533 m away | 71 m² | 89 m² | +18 m² +25% | 2013 |
| 21, Churchill Avenue876 m away | 75 m² | 92 m² | +17 m² +23% | 2025 |
| 18, Haslemere Grove748 m away | 58 m² | 75 m² | +17 m² +29% | 2023 |
| 12, Baldwin Avenue809 m away | 95 m² | 111 m² | +16 m² +17% | 2026 |
| Apartment 9, Stone Arches, York Road375 m away | 58 m² | 74 m² | +16 m² +28% | 2024 |
| 16, Hunt Lane68 m away | 67 m² | 83 m² | +16 m² +24% | 2021 |
| 12, Frank Road412 m away | 82 m² | 98 m² | +16 m² +20% | 2014 |
| 102, Bentley Road577 m away | 100 m² | 115 m² | +15 m² +15% | 2025 |
| 161, Bentley Road439 m away | 81 m² | 96 m² | +15 m² +19% | 2013 |
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.