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 ST3 7LT
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 |
|---|---|---|---|---|
| 371, Sandon Road679 m away | 92 m² | 208 m² | +116 m² +126% | 2018 |
| 50a, Birkholme Drive187 m away | 89 m² | 187 m² | +98 m² +110% | 2019 |
| 359a, Sandon Road679 m away | 93 m² | 182 m² | +89 m² +96% | 2023 |
| 34a, Grindley Lane414 m away | 148 m² | 237 m² | +89 m² +60% | 2022 |
| 8, Caterham Place978 m away | 108 m² | 197 m² | +89 m² +82% | 2022 |
| Half Acre, Church Close832 m away | 100 m² | 181 m² | +81 m² +81% | 2024 |
| The Mynd, Windmill Hill759 m away | 137 m² | 206 m² | +69 m² +50% | 2025 |
| 3, Bergamot Drive803 m away | 117 m² | 185 m² | +68 m² +58% | 2016 |
| 29, Pemberton Drive258 m away | 102 m² | 169 m² | +67 m² +66% | 2024 |
| 67, Hilderstone Road473 m away | 94 m² | 156 m² | +62 m² +66% | 2019 |
| 7, Birkholme Drive276 m away | 131 m² | 191 m² | +60 m² +46% | 2025 |
| 379, Sandon Road679 m away | 123 m² | 182 m² | +59 m² +48% | 2019 |
| 1, Marsh View229 m away | 82 m² | 129 m² | +47 m² +57% | 2023 |
| The Dantay, Windmill Hill615 m away | 211 m² | 253 m² | +42 m² +20% | 2024 |
| 30, Birkholme Drive276 m away | 80 m² | 120 m² | +40 m² +50% | 2020 |
| 24, Grindley Lane414 m away | 75 m² | 109 m² | +34 m² +45% | 2025 |
| 10, Grindley Lane414 m away | 108 m² | 140 m² | +32 m² +30% | 2014 |
| Hendon, Heathfield Grove950 m away | 94 m² | 125 m² | +31 m² +33% | 2024 |
| Windmill Cottage, 3, Hilderstone Road494 m away | 62 m² | 93 m² | +31 m² +50% | 2023 |
| 93, Falcon Road981 m away | 65 m² | 92 m² | +27 m² +42% | 2016 |
| Sunnycroft, Windmill Hill986 m away | 138 m² | 164 m² | +26 m² +19% | 2009 |
| Highcroft, Windmill Hill825 m away | 131 m² | 156 m² | +25 m² +19% | 2021 |
| 299, Sandon Road948 m away | 131 m² | 155 m² | +24 m² +18% | 2016 |
| 23, Golborn Avenue0 m away | 53 m² | 73 m² | +20 m² +38% | 2025 |
| 27, Chervil Close798 m away | 62 m² | 82 m² | +20 m² +32% | 2025 |
| 103, Falcon Road981 m away | 77 m² | 97 m² | +20 m² +26% | 2025 |
| 16, Tarragon Drive942 m away | 116 m² | 135 m² | +19 m² +16% | 2014 |
| 40, Pemberton Drive258 m away | 101 m² | 119 m² | +18 m² +18% | 2022 |
| 36, Birkholme Drive276 m away | 64 m² | 82 m² | +18 m² +28% | 2022 |
| 12, Marsh View229 m away | 66 m² | 83 m² | +17 m² +26% | 2025 |
| 18, Marsh View229 m away | 54 m² | 71 m² | +17 m² +31% | 2016 |
| 3, High View417 m away | 82 m² | 98 m² | +16 m² +20% | 2022 |
| 412, Sandon Road686 m away | 99 m² | 115 m² | +16 m² +16% | 2014 |
| 28, West View684 m away | 94 m² | 109 m² | +15 m² +16% | 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.