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 WA5 7AA
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 |
|---|---|---|---|---|
| Finger Post Farm, Burtonwood Road815 m away | 173 m² | 267 m² | +94 m² +54% | 2020 |
| 106, Falconers Green436 m away | 151 m² | 201 m² | +50 m² +33% | 2023 |
| 69, Castle Green504 m away | 104 m² | 151 m² | +47 m² +45% | 2016 |
| 61, Harrogate Close938 m away | 116 m² | 158 m² | +42 m² +36% | 2015 |
| 58, Castle Green338 m away | 71 m² | 112 m² | +41 m² +58% | 2023 |
| 16, Archers Green Road212 m away | 68 m² | 97 m² | +29 m² +43% | 2019 |
| 38, Tourney Green109 m away | 117 m² | 142 m² | +25 m² +21% | 2022 |
| 18, Tourney Green109 m away | 108 m² | 132 m² | +24 m² +22% | 2016 |
| 44, Harrogate Close938 m away | 79 m² | 101 m² | +22 m² +28% | 2014 |
| 24, Partisan Green0 m away | 125 m² | 146 m² | +21 m² +17% | 2026 |
| 2, Partisan Green0 m away | 117 m² | 138 m² | +21 m² +18% | 2025 |
| 52, Coppice Green538 m away | 103 m² | 123 m² | +20 m² +19% | 2020 |
| 50, Archers Green Road212 m away | 60 m² | 78 m² | +18 m² +30% | 2019 |
| 44, Heralds Green289 m away | 120 m² | 138 m² | +18 m² +15% | 2014 |
| 41, Tourney Green197 m away | 97 m² | 112 m² | +15 m² +15% | 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.