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 BA11 5HS
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 |
|---|---|---|---|---|
| 18, Styles Avenue396 m away | 95 m² | 220 m² | +125 m² +132% | 2023 |
| Wallbridge Mills, The Retreat338 m away | 110 m² | 205 m² | +95 m² +86% | 2012 |
| Kaylow, Rosedale Walk960 m away | 154 m² | 245 m² | +91 m² +59% | 2022 |
| 12, Styles Avenue396 m away | 140 m² | 210 m² | +70 m² +50% | 2015 |
| 28, The Retreat338 m away | 290 m² | 359 m² | +69 m² +24% | 2024 |
| Brice House955 m away | 226 m² | 291 m² | +65 m² +29% | 2025 |
| Barbican, The Copse889 m away | 121 m² | 180 m² | +59 m² +49% | 2022 |
| 72, Beechwood Avenue520 m away | 81 m² | 139 m² | +58 m² +72% | 2024 |
| 41, Rodden Road635 m away |
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.
| 119 m² |
| 177 m² |
| +58 m² +49% |
| 2023 |
| 45, Beechwood Avenue520 m away | 90 m² | 145 m² | +55 m² +61% | 2021 |
|---|
| 28a, Christchurch Street East833 m away | 59 m² | 112 m² | +53 m² +90% | 2020 |
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| 15, Garston Road489 m away | 77 m² | 130 m² | +53 m² +69% | 2018 |
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| 42, Rodden Road687 m away | 73 m² | 126 m² | +53 m² +73% | 2018 |
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| Three Acres, The Copse889 m away | 111 m² | 163 m² | +52 m² +47% | 2021 |
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| 1, Pennys Piece958 m away | 69 m² | 119 m² | +50 m² +72% | 2023 |
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| 18, Knights Maltings969 m away | 46 m² | 85 m² | +39 m² +85% | 2010 |
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| Avalon, Adderwell Close992 m away | 59 m² | 97 m² | +38 m² +64% | 2020 |
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| 27, Victoria Road615 m away | 71 m² | 108 m² | +37 m² +52% | 2013 |
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| 29, Styles Hill410 m away | 98 m² | 134 m² | +36 m² +37% | 2025 |
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| 48, Alexandra Road836 m away | 142 m² | 178 m² | +36 m² +25% | 2025 |
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| 26, Victoria Road615 m away | 100 m² | 136 m² | +36 m² +36% | 2024 |
|---|
| 41, Adderwell Road887 m away | 85 m² | 120 m² | +35 m² +41% | 2016 |
|---|
| 1, Linsvale Drive631 m away | 102 m² | 136 m² | +34 m² +33% | 2023 |
|---|
| 2, Summer Hill927 m away | 80 m² | 113 m² | +33 m² +41% | 2020 |
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| Flat 2, Montgomery Court, Portway723 m away | 51 m² | 84 m² | +33 m² +65% | 2019 |
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| 114, Wyville Road949 m away | 72 m² | 103 m² | +31 m² +43% | 2026 |
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| 5, Southfield Way982 m away | 92 m² | 123 m² | +31 m² +34% | 2022 |
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| 3, Fishers Brook711 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| Wallbridge Lodge, Wallbridge323 m away | 163 m² | 194 m² | +31 m² +19% | 2016 |
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| 9, Willow Vale881 m away | 87 m² | 117 m² | +30 m² +34% | 2023 |
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| 5a, St Johns Road287 m away | 45 m² | 74 m² | +29 m² +64% | 2025 |
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| 38, Woodhayes Road686 m away | 80 m² | 109 m² | +29 m² +36% | 2020 |
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| 14, Knights Maltings969 m away | 30 m² | 59 m² | +29 m² +97% | 2019 |
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| 29, Nightingale Avenue938 m away | 50 m² | 78 m² | +28 m² +56% | 2024 |
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| 12, Knights Maltings969 m away | 30 m² | 58 m² | +28 m² +93% | 2023 |
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| 10, Knights Maltings969 m away | 30 m² | 58 m² | +28 m² +93% | 2021 |
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| 16, Garston Mead258 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
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| 26, Portway602 m away | 86 m² | 113 m² | +27 m² +31% | 2025 |
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| 8, Knights Maltings969 m away | 30 m² | 57 m² | +27 m² +90% | 2022 |
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| 95, Styles Close185 m away | 55 m² | 82 m² | +27 m² +49% | 2017 |
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| 27, Vicarage Street962 m away | 132 m² | 158 m² | +26 m² +20% | 2025 |
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| 1a, St Johns Road287 m away | 45 m² | 71 m² | +26 m² +58% | 2023 |
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| 30, Portway602 m away | 149 m² | 175 m² | +26 m² +17% | 2017 |
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| 10, New Road0 m away | 40 m² | 66 m² | +26 m² +65% | 2011 |
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| 6, Portway Gardens742 m away | 71 m² | 96 m² | +25 m² +35% | 2020 |
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| 21, Christchurch Street East961 m away | 124 m² | 149 m² | +25 m² +20% | 2017 |
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| 25, Locks Hill708 m away | 154 m² | 178 m² | +24 m² +16% | 2022 |
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| 47, Locks Hill918 m away | 146 m² | 170 m² | +24 m² +16% | 2020 |
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| 6, Butlers Gardens649 m away | 87 m² | 111 m² | +24 m² +28% | 2019 |
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| 43, Portway748 m away | 92 m² | 115 m² | +23 m² +25% | 2022 |
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| 33, Victoria Road615 m away | 87 m² | 110 m² | +23 m² +26% | 2015 |
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| 9, Wallbridge Avenue449 m away | 124 m² | 146 m² | +22 m² +18% | 2020 |
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| 22, Tucker Close209 m away | 101 m² | 123 m² | +22 m² +22% | 2018 |
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| 27, Summer Hill927 m away | 72 m² | 93 m² | +21 m² +29% | 2023 |
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| 26, Avenue Road519 m away | 83 m² | 104 m² | +21 m² +25% | 2022 |
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| 34, Windsor Crescent700 m away | 91 m² | 112 m² | +21 m² +23% | 2018 |
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| 23, Victoria Road615 m away | 88 m² | 108 m² | +20 m² +23% | 2019 |
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| 1, Foster Road991 m away | 57 m² | 76 m² | +19 m² +33% | 2022 |
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| 8b, Willow Vale881 m away | 73 m² | 92 m² | +19 m² +26% | 2019 |
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| 1, Summer Hill927 m away | 22 m² | 41 m² | +19 m² +86% | 2012 |
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| 116, Rodden Road294 m away | 102 m² | 120 m² | +18 m² +18% | 2025 |
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| 40, St Johns Road316 m away | 88 m² | 106 m² | +18 m² +20% | 2024 |
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| 15, Linsvale Close660 m away | 85 m² | 103 m² | +18 m² +21% | 2022 |
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| Flat 10, Montgomery Court, Portway723 m away | 77 m² | 95 m² | +18 m² +23% | 2021 |
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| 43, Victoria Road615 m away | 89 m² | 107 m² | +18 m² +20% | 2017 |
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| 57, Alexandra Road836 m away | 93 m² | 110 m² | +17 m² +18% | 2022 |
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| 37, Blackberry Road705 m away | 72 m² | 89 m² | +17 m² +24% | 2017 |
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| 8, Butlers Gardens649 m away | 82 m² | 99 m² | +17 m² +21% | 2014 |
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| 9a, Willow Vale881 m away | 95 m² | 111 m² | +16 m² +17% | 2023 |
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| 16, Victoria Road615 m away | 97 m² | 113 m² | +16 m² +16% | 2022 |
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| 11, Alexandra Road842 m away | 90 m² | 106 m² | +16 m² +18% | 2022 |
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| Flat 1, Montgomery Court, Portway723 m away | 70 m² | 85 m² | +15 m² +21% | 2026 |
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| 18, Hillside Drive52 m away | 51 m² | 66 m² | +15 m² +29% | 2025 |
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| 44, Rodden Road629 m away | 97 m² | 112 m² | +15 m² +15% | 2025 |
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| 45, Christchurch Street East979 m away | 51 m² | 66 m² | +15 m² +29% | 2025 |
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| 5, The Retreat338 m away | 75 m² | 90 m² | +15 m² +20% | 2023 |
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| 21, New Road0 m away | 95 m² | 110 m² | +15 m² +16% | 2021 |
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| 29, Hillside Drive52 m away | 74 m² | 89 m² | +15 m² +20% | 2021 |
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