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 BB10 3LR
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 |
|---|---|---|---|---|
| 69, Red Lees Road985 m away | 155 m² | 307 m² | +152 m² +98% | 2026 |
| Brownside Farm, Brownside Road774 m away | 170 m² | 241 m² | +71 m² +42% | 2018 |
| 3 - 5, Whittam Court213 m away | 89 m² | 152 m² | +63 m² +71% | 2023 |
| 5, Inchfield280 m away | 88 m² | 133 m² | +45 m² +51% | 2026 |
| 11a, Heckenhurst Avenue501 m away | 58 m² | 93 m² | +35 m² +60% | 2017 |
| 83, Red Lees Road985 m away | 72 m² | 106 m² | +34 m² +47% | 2018 |
| 23, Ravenoak Lane352 m away | 100 m² | 123 m² | +23 m² +23% | 2024 |
| 2, Townfield Avenue712 m away | 87 m² | 108 m² | +21 m² +24% | 2026 |
| 43, Lindsay Park531 m away | 133 m² | 154 m² | +21 m² +16% | 2016 |
| 80, Lindsay Park408 m away | 90 m² | 110 m² | +20 m² +22% | 2025 |
| 27, Langfield333 m away | 120 m² | 139 m² | +19 m² +16% | 2024 |
| 159, Brownside Road501 m away | 69 m² | 87 m² | +18 m² +26% | 2025 |
| 151, Brownside Road501 m away | 98 m² | 115 m² | +17 m² +17% | 2022 |
| 10, Showfield169 m away | 76 m² | 91 m² | +15 m² +20% | 2025 |
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.