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 M25 2RY
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 |
|---|---|---|---|---|
| 78, Simister Lane133 m away | 76 m² | 156 m² | +80 m² +105% | 2026 |
| 2, Mount Pleasant359 m away | 108 m² | 162 m² | +54 m² +50% | 2026 |
| 343, Heywood Road958 m away | 94 m² | 144 m² | +50 m² +53% | 2024 |
| 163, Simister Lane667 m away | 162 m² | 199 m² | +37 m² +23% | 2018 |
| 77, Simister Lane112 m away | 167 m² | 203 m² | +36 m² +22% | 2024 |
| 341, Heywood Road958 m away | 82 m² | 117 m² | +35 m² +43% | 2025 |
| 17, Mount Pleasant359 m away | 49 m² | 81 m² | +32 m² +65% | 2024 |
| 21, Simister Lane261 m away | 116 m² | 145 m² | +29 m² +25% | 2026 |
| 47, Simister Green0 m away | 71 m² | 96 m² | +25 m² +35% | 2014 |
| 2, Farm Lane189 m away | 81 m² | 105 m² | +24 m² +30% | 2022 |
| 7, Droughts Lane166 m away | 90 m² | 113 m² | +23 m² +26% | 2014 |
| 4, Croft Avenue446 m away | 60 m² | 81 m² | +21 m² +35% | 2014 |
| 89, Parrenthorn Road911 m away | 84 m² | 100 m² | +16 m² +19% | 2014 |
| 331, Heywood Road958 m away | 85 m² | 101 m² | +16 m² +19% | 2014 |
| 1, Mount Pleasant359 m away | 63 m² | 78 m² | +15 m² +24% | 2014 |
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.