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 SM7 3HU
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 |
|---|---|---|---|---|
| 13, South Drive663 m away | 82 m² | 188 m² | +106 m² +129% | 2023 |
| The Laurels, Croydon Lane726 m away | 57 m² | 139 m² | +82 m² +144% | 2013 |
| 70, Woodmansterne Lane851 m away | 60 m² | 139 m² | +79 m² +132% | 2010 |
| 1a, Chipstead Way694 m away | 99 m² | 167 m² | +68 m² +69% | 2025 |
| 11, Corrigan Avenue801 m away | 99 m² | 157 m² | +58 m² +59% | 2025 |
| 12a, Fairlawn Grove854 m away | 51 m² | 104 m² | +53 m² +104% | 2015 |
| 96, Chipstead Way945 m away | 82 m² | 129 m² | +47 m² +57% | 2022 |
| 49, Kingscroft Road931 m away | 86 m² | 129 m² | +43 m² +50% | 2020 |
| 1, South Drive663 m away | 89 m² | 132 m² | +43 m² +48% | 2019 |
| 104, Chipstead Way945 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
| 69, Chipstead Way937 m away | 80 m² | 105 m² | +25 m² +31% | 2025 |
| 94, Chipstead Way945 m away | 77 m² | 102 m² | +25 m² +32% | 2017 |
| 40, Chipstead Way693 m away | 87 m² | 109 m² | +22 m² +25% | 2019 |
| 2, June Close882 m away | 91 m² | 112 m² | +21 m² +23% | 2026 |
| 9, Chipstead Way694 m away | 71 m² | 92 m² | +21 m² +30% | 2024 |
| 1, Fairlawn Grove854 m away | 90 m² | 110 m² | +20 m² +22% | 2015 |
| 14, Lloyd Avenue886 m away | 86 m² | 102 m² | +16 m² +19% | 2026 |
| 103, Chipstead Way937 m away | 87 m² | 103 m² | +16 m² +18% | 2026 |
| 37, Woodmansterne Street707 m away | 80 m² | 95 m² | +15 m² +19% | 2026 |
| 34, Longlands Avenue748 m away | 86 m² | 101 m² | +15 m² +17% | 2023 |
| 9, Lloyd Avenue886 m away | 100 m² | 115 m² | +15 m² +15% | 2023 |
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.