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 EN9 3SH
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 |
|---|---|---|---|---|
| Ninefield House, Woodgreen Road276 m away | 208 m² | 301 m² | +93 m² +45% | 2023 |
| Tree Tops, Copthall Green972 m away | 124 m² | 197 m² | +73 m² +59% | 2019 |
| 2, Conybury Close839 m away | 82 m² | 139 m² | +57 m² +70% | 2025 |
| Laundry Cottage, Upshirebury Green536 m away | 79 m² | 128 m² | +49 m² +62% | 2022 |
| 26, Maple Springs940 m away | 72 m² | 108 m² | +36 m² +50% | 2024 |
| 32, Maple Springs940 m away | 66 m² | 93 m² | +27 m² +41% | 2015 |
| 4, Willmott Cottage, Copthall Green881 m away | 63 m² | 85 m² | +22 m² +35% | 2019 |
| 39, Winters Way979 m away | 72 m² | 93 m² | +21 m² +29% | 2026 |
| 22, Woodgreen Road276 m away | 108 m² | 128 m² | +20 m² +19% | 2022 |
| 111, Upshire Road734 m away | 92 m² | 111 m² | +19 m² +21% | 2016 |
| 11, Oxleys Road771 m away | 83 m² | 102 m² | +19 m² +23% | 2015 |
| 80a, Upshire Road954 m away | 43 m² | 61 m² | +18 m² +42% | 2025 |
| 18, Abbotts Drive880 m away | 103 m² | 120 m² | +17 m² +17% | 2024 |
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.