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 DE5 3GH
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 |
|---|---|---|---|---|
| 253, Heage Road0 m away | 275 m² | 343 m² | +68 m² +25% | 2025 |
| 151, Heage Road277 m away | 113 m² | 172 m² | +59 m² +52% | 2015 |
| 1, Cobden Street645 m away | 97 m² | 152 m² | +55 m² +57% | 2013 |
| 31, Hardwick Close817 m away | 159 m² | 210 m² | +51 m² +32% | 2016 |
| 99, Heage Road520 m away | 98 m² | 148 m² | +50 m² +51% | 2026 |
| 1, Slack Lane763 m away | 52 m² | 101 m² | +49 m² +94% | 2025 |
| 29, Tavistock Avenue873 m away | 64 m² | 107 m² | +43 m² +67% | 2026 |
| 8, Heage Road520 m away | 80 m² | 119 m² | +39 m² +49% | 2025 |
| 223, Heage Road0 m away | 123 m² | 160 m² | +37 m² +30% | 2014 |
| 2, Lime Avenue658 m away | 170 m² | 205 m² | +35 m² +21% | 2014 |
| 9, Harris Avenue513 m away | 75 m² | 103 m² | +28 m² +37% | 2026 |
| 13, Norman Road363 m away | 69 m² | 95 m² | +26 m² +38% | 2022 |
| 86, Norman Road300 m away | 73 m² | 96 m² | +23 m² +32% | 2026 |
| 16, School Lane619 m away | 59 m² | 82 m² | +23 m² +39% | 2026 |
| 12, Ivy Grove862 m away | 63 m² | 85 m² | +22 m² +35% | 2026 |
| 9, Lime Avenue658 m away | 122 m² | 144 m² | +22 m² +18% | 2013 |
| 33, Ivy Grove862 m away | 82 m² | 103 m² | +21 m² +26% | 2025 |
| 11, Glebe Avenue486 m away | 85 m² | 105 m² | +20 m² +24% | 2026 |
| 32, School Lane619 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
| 1, Peartree Avenue975 m away | 81 m² | 100 m² | +19 m² +23% | 2019 |
| 13, Glebe Avenue486 m away | 50 m² | 68 m² | +18 m² +36% | 2025 |
| 27, Darley Drive914 m away | 84 m² | 102 m² | +18 m² +21% | 2019 |
| 51, West Avenue278 m away | 85 m² | 103 m² | +18 m² +21% | 2014 |
| 18a, Slack Lane763 m away | 104 m² | 120 m² | +16 m² +15% | 2023 |
| 35, Derwent Road404 m away | 78 m² | 94 m² | +16 m² +21% | 2013 |
| 54, Norman Road300 m away | 92 m² | 107 m² | +15 m² +16% | 2026 |
| 18, Slack Lane763 m away | 91 m² | 106 m² | +15 m² +16% | 2011 |
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.