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 S9 1BJ
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 |
|---|---|---|---|---|
| 37, Wansfell Road798 m away | 51 m² | 117 m² | +66 m² +129% | 2015 |
| 335, Newman Road708 m away | 74 m² | 125 m² | +51 m² +69% | 2024 |
| 6, Shiregreen Lane898 m away | 51 m² | 102 m² | +51 m² +100% | 2009 |
| 131, Wincobank Lane594 m away | 76 m² | 114 m² | +38 m² +50% | 2024 |
| 215, Wincobank Avenue789 m away | 75 m² | 111 m² | +36 m² +48% | 2026 |
| 39, Beacon Close609 m away | 56 m² | 92 m² | +36 m² +64% | 2011 |
| 16, Farcroft Grove519 m away | 72 m² | 105 m² | +33 m² +46% | 2025 |
| 18, Birdwell Road849 m away | 70 m² | 103 m² | +33 m² +47% | 2017 |
| 46, Hawkshead Road645 m away | 73 m² |
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.
| +31 m² +42% |
| 2016 |
| 98, Birdwell Road685 m away | 61 m² | 91 m² | +30 m² +49% | 2026 |
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| 35, Skelwith Road681 m away | 62 m² | 91 m² | +29 m² +47% | 2026 |
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| 18, Holywell Heights329 m away | 99 m² | 128 m² | +29 m² +29% | 2012 |
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| 32, Birdwell Road849 m away | 63 m² | 91 m² | +28 m² +44% | 2026 |
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| 19, Oxted Road156 m away | 69 m² | 96 m² | +27 m² +39% | 2021 |
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| 24, Birdwell Road849 m away | 72 m² | 98 m² | +26 m² +36% | 2016 |
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| 47, Birdwell Road780 m away | 68 m² | 93 m² | +25 m² +37% | 2025 |
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| 143, Upwell Street894 m away | 78 m² | 103 m² | +25 m² +32% | 2014 |
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| 3, Holywell Heights380 m away | 142 m² | 166 m² | +24 m² +17% | 2009 |
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| 7, Holywell Heights380 m away | 142 m² | 166 m² | +24 m² +17% | 2009 |
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| 17, Brathay Road510 m away | 68 m² | 91 m² | +23 m² +34% | 2026 |
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| 213, Wincobank Avenue789 m away | 82 m² | 105 m² | +23 m² +28% | 2017 |
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| 35, Wincobank Lane854 m away | 83 m² | 105 m² | +22 m² +27% | 2017 |
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| 151, Upwell Street894 m away | 85 m² | 107 m² | +22 m² +26% | 2017 |
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| 96, Sandstone Drive543 m away | 70 m² | 92 m² | +22 m² +31% | 2015 |
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| Apartment 1, Holywell Gardens, 1, Holywell Heights380 m away | 53 m² | 75 m² | +22 m² +42% | 2009 |
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| 70, Upwell Street954 m away | 50 m² | 71 m² | +21 m² +42% | 2026 |
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| 27, Wincobank Lane854 m away | 80 m² | 101 m² | +21 m² +26% | 2017 |
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| 84, Wincobank Road897 m away | 80 m² | 101 m² | +21 m² +26% | 2013 |
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| 139, Skelwith Road423 m away | 65 m² | 85 m² | +20 m² +31% | 2015 |
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| 81, Limpsfield Road0 m away | 59 m² | 78 m² | +19 m² +32% | 2020 |
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| 53, Wansfell Road798 m away | 89 m² | 107 m² | +18 m² +20% | 2017 |
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| Apartment 9, Holywell Gardens, 1, Holywell Heights380 m away | 55 m² | 73 m² | +18 m² +33% | 2009 |
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| 52, Wansfell Road798 m away | 71 m² | 88 m² | +17 m² +24% | 2023 |
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| 32, Wansfell Road798 m away | 77 m² | 94 m² | +17 m² +22% | 2016 |
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| 8, Leedham Road997 m away | 111 m² | 128 m² | +17 m² +15% | 2016 |
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| 33, Birdwell Road849 m away | 78 m² | 94 m² | +16 m² +21% | 2026 |
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| 24, Southwell Road859 m away | 60 m² | 76 m² | +16 m² +27% | 2025 |
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| 46, Tansley Street990 m away | 59 m² | 75 m² | +16 m² +27% | 2025 |
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| 9, Sandstone Close396 m away | 66 m² | 82 m² | +16 m² +24% | 2017 |
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| 13, Southwell Road859 m away | 78 m² | 94 m² | +16 m² +21% | 2017 |
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| 22, Birdwell Road849 m away | 79 m² | 95 m² | +16 m² +20% | 2016 |
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| 57, Fort Hill Road438 m away | 64 m² | 79 m² | +15 m² +23% | 2021 |
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| 88, Sandstone Road369 m away | 67 m² | 82 m² | +15 m² +22% | 2017 |
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| 149, Upwell Street894 m away | 76 m² | 91 m² | +15 m² +20% | 2015 |
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| 219, Jenkin Road337 m away | 59 m² | 74 m² | +15 m² +25% | 2014 |
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| 78, Sandstone Avenue515 m away | 67 m² | 82 m² | +15 m² +22% | 2014 |
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