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 HP1 2RJ
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 |
|---|---|---|---|---|
| 167, Chaulden Lane985 m away | 124 m² | 185 m² | +61 m² +49% | 2019 |
| Wyndcrest, Sugar Lane726 m away | 155 m² | 207 m² | +52 m² +34% | 2021 |
| River Cottage, London Road0 m away | 187 m² | 234 m² | +47 m² +25% | 2024 |
| 41, Bourne End Lane484 m away | 62 m² | 100 m² | +38 m² +61% | 2024 |
| Stable Cottage, Pouchen End Lane553 m away | 106 m² | 135 m² | +29 m² +27% | 2022 |
| 154, Chaulden Lane985 m away | 108 m² | 137 m² | +29 m² +27% | 2021 |
| 55, Bourne End Lane484 m away | 63 m² | 90 m² | +27 m² +43% | 2015 |
| 55, Lindlings910 m away | 93 m² | 119 m² | +26 m² +28% | 2021 |
| 24, Bourne End Lane375 m away | 104 m² | 129 m² | +25 m² +24% | 2022 |
| 26, Damask Green987 m away | 70 m² | 93 m² | +23 m² +33% | 2025 |
| Waterside, London Road0 m away | 107 m² | 129 m² | +22 m² +21% | 2017 |
| 9, Musk Hill936 m away | 91 m² | 111 m² | +20 m² +22% | 2024 |
| 1, Campion Road793 m away | 94 m² | 110 m² | +16 m² +17% | 2021 |
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.