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 OX12 7PW
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 |
|---|---|---|---|---|
| 1, Blenheim Gardens989 m away | 87 m² | 171 m² | +84 m² +97% | 2014 |
| 13, Letcombe Walk736 m away | 132 m² | 213 m² | +81 m² +61% | 2016 |
| 13, Mayfield Avenue281 m away | 93 m² | 169 m² | +76 m² +82% | 2017 |
| 71, Mayfield Avenue720 m away | 100 m² | 173 m² | +73 m² +73% | 2018 |
| 23, Hawksworth Close759 m away | 68 m² | 140 m² | +72 m² +106% | 2014 |
| Arkle House, Station Road461 m away | 173 m² | 243 m² | +70 m² +40% | 2014 |
| 18, Hawksworth Close759 m away | 60 m² | 127 m² | +67 m² +112% | 2015 |
| 41, Mayfield Avenue476 m away | 111 m² | 177 m² | +66 m² +59% | 2022 |
| 15, Lime Tree Close670 m away | 132 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.
| 193 m² |
| +61 m² +46% |
| 2014 |
| 2, Shannon Close371 m away | 104 m² | 162 m² | +58 m² +56% | 2025 |
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| 51, Kennet Close843 m away | 69 m² | 120 m² | +51 m² +74% | 2014 |
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| 31, Kennet Close843 m away | 72 m² | 120 m² | +48 m² +67% | 2014 |
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| 7, Colne Close758 m away | 60 m² | 106 m² | +46 m² +77% | 2022 |
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| 2, Cotton Close619 m away | 44 m² | 90 m² | +46 m² +105% | 2019 |
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| 6, Minns Road513 m away | 93 m² | 138 m² | +45 m² +48% | 2024 |
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| 14, Steptoe Close559 m away | 144 m² | 188 m² | +44 m² +31% | 2025 |
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| 32, Blenheim Gardens989 m away | 76 m² | 120 m² | +44 m² +58% | 2019 |
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| 3, Cotton Close619 m away | 47 m² | 89 m² | +42 m² +89% | 2014 |
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| 13, Harlington Avenue612 m away | 74 m² | 114 m² | +40 m² +54% | 2019 |
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| 1, Minns Road513 m away | 86 m² | 126 m² | +40 m² +47% | 2014 |
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| 1, Cotton Close619 m away | 47 m² | 85 m² | +38 m² +81% | 2020 |
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| 19, Hardwell Close613 m away | 93 m² | 130 m² | +37 m² +40% | 2023 |
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| Mulberry House, Townsend531 m away | 195 m² | 231 m² | +36 m² +18% | 2019 |
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| 13, Wayland Road655 m away | 90 m² | 125 m² | +35 m² +39% | 2016 |
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| 9, Laurel Crescent973 m away | 89 m² | 124 m² | +35 m² +39% | 2015 |
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| 21, Hawksworth Close759 m away | 71 m² | 104 m² | +33 m² +46% | 2014 |
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| 33, Glebe Gardens528 m away | 76 m² | 108 m² | +32 m² +42% | 2024 |
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| 19, Glebe Gardens528 m away | 110 m² | 140 m² | +30 m² +27% | 2021 |
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| 3, Vestry Close721 m away | 115 m² | 144 m² | +29 m² +25% | 2025 |
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| 61, Nobles Close616 m away | 45 m² | 73 m² | +28 m² +62% | 2023 |
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| 10, Collett Way708 m away | 92 m² | 118 m² | +26 m² +28% | 2026 |
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| 9, Letcombe House, Millbrook Square516 m away | 38 m² | 64 m² | +26 m² +68% | 2021 |
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| 5, Sycamore Walk567 m away | 80 m² | 106 m² | +26 m² +33% | 2014 |
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| 1, Linden Crescent576 m away | 78 m² | 102 m² | +24 m² +31% | 2021 |
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| Avalon, Townsend531 m away | 158 m² | 182 m² | +24 m² +15% | 2019 |
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| 26, Kennet Close843 m away | 49 m² | 73 m² | +24 m² +49% | 2016 |
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| 24, St Johns Road519 m away | 108 m² | 131 m² | +23 m² +21% | 2016 |
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| 13, Wessex Way901 m away | 105 m² | 126 m² | +21 m² +20% | 2023 |
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| 3, Minns Road513 m away | 78 m² | 98 m² | +20 m² +26% | 2013 |
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| 4, Hawksworth Close759 m away | 61 m² | 81 m² | +20 m² +33% | 2012 |
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| 4, Teal Close836 m away | 100 m² | 119 m² | +19 m² +19% | 2025 |
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| 17, Shannon Close371 m away | 101 m² | 119 m² | +18 m² +18% | 2014 |
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| 7, Kennet Close843 m away | 61 m² | 78 m² | +17 m² +28% | 2016 |
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| 115, Mayfield Avenue770 m away | 77 m² | 93 m² | +16 m² +21% | 2026 |
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| 6, Letcombe House, Millbrook Square516 m away | 61 m² | 76 m² | +15 m² +25% | 2026 |
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| 17, Shepherds Close732 m away | 58 m² | 73 m² | +15 m² +26% | 2026 |
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| 3, Broadmarsh Close932 m away | 72 m² | 87 m² | +15 m² +21% | 2025 |
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| 17, Brunel Crescent743 m away | 77 m² | 92 m² | +15 m² +19% | 2016 |
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