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 RM12 5EA
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, Singleton Close339 m away | 121 m² | 229 m² | +108 m² +89% | 2026 |
| 31, Coniston Way295 m away | 80 m² | 165 m² | +85 m² +106% | 2023 |
| 471, South End Road676 m away | 79 m² | 155 m² | +76 m² +96% | 2021 |
| 9, Liphook Close334 m away | 118 m² | 193 m² | +75 m² +64% | 2021 |
| 62, Lancaster Drive895 m away | 82 m² | 143 m² | +61 m² +74% | 2025 |
| 23, Windermere Avenue229 m away | 82 m² | 143 m² | +61 m² +74% | 2015 |
| 8, Willow Close890 m away | 72 m² | 132 m² | +60 m² +83% | 2016 |
| 31, Penrith Crescent556 m away | 110 m² | 168 m² | +58 m² +53% | 2025 |
| 120, Diban Avenue629 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.
| 69 m² |
| 124 m² |
| +55 m² +80% |
| 2024 |
| 81, St Andrews Avenue0 m away | 95 m² | 149 m² | +54 m² +57% | 2024 |
|---|
| 190, Lancaster Drive796 m away | 72 m² | 125 m² | +53 m² +74% | 2018 |
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| 24, Ennerdale Avenue301 m away | 89 m² | 141 m² | +52 m² +58% | 2026 |
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| 130, Laburnum Walk846 m away | 99 m² | 151 m² | +52 m² +53% | 2022 |
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| 129, Eyhurst Avenue530 m away | 71 m² | 119 m² | +48 m² +68% | 2020 |
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| 155, Warren Drive840 m away | 64 m² | 112 m² | +48 m² +75% | 2013 |
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| 10, West Malling Way959 m away | 92 m² | 136 m² | +44 m² +48% | 2016 |
|---|
| 54, Cavendish Crescent970 m away | 204 m² | 248 m² | +44 m² +22% | 2013 |
|---|
| 16a, Cowdray Way168 m away | 45 m² | 89 m² | +44 m² +98% | 2009 |
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| 23, Eyhurst Avenue785 m away | 72 m² | 115 m² | +43 m² +60% | 2023 |
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| 73, Bader Way774 m away | 89 m² | 131 m² | +42 m² +47% | 2026 |
|---|
| 17, Diban Avenue898 m away | 97 m² | 137 m² | +40 m² +41% | 2021 |
|---|
| 84, Laburnum Walk846 m away | 70 m² | 110 m² | +40 m² +57% | 2014 |
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| 14, Northwood Avenue322 m away | 84 m² | 123 m² | +39 m² +46% | 2025 |
|---|
| 2, Willow Close890 m away | 88 m² | 127 m² | +39 m² +44% | 2017 |
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| 5, Carnforth Gardens252 m away | 87 m² | 125 m² | +38 m² +44% | 2021 |
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| 6, Easedale Drive389 m away | 81 m² | 119 m² | +38 m² +47% | 2021 |
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| 21, Finucane Gardens619 m away | 46 m² | 84 m² | +38 m² +83% | 2015 |
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| 110, Eyhurst Avenue485 m away | 95 m² | 132 m² | +37 m² +39% | 2025 |
|---|
| 15, St Andrews Avenue319 m away | 71 m² | 107 m² | +36 m² +51% | 2025 |
|---|
| 93, Elms Farm Road957 m away | 100 m² | 136 m² | +36 m² +36% | 2014 |
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| 293, Warren Drive402 m away | 96 m² | 131 m² | +35 m² +36% | 2020 |
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| 123, Diban Avenue629 m away | 67 m² | 102 m² | +35 m² +52% | 2016 |
|---|
| 76, Diban Avenue756 m away | 67 m² | 102 m² | +35 m² +52% | 2015 |
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| 96, Windermere Avenue77 m away | 87 m² | 121 m² | +34 m² +39% | 2025 |
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| 74, Ambleside Avenue563 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 59, Petworth Way312 m away | 121 m² | 155 m² | +34 m² +28% | 2014 |
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| 20, Coniston Way181 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
|---|
| 108, Lancaster Drive763 m away | 85 m² | 117 m² | +32 m² +38% | 2010 |
|---|
| 96, Eyhurst Avenue805 m away | 54 m² | 85 m² | +31 m² +57% | 2026 |
|---|
| 36, Wood Lane470 m away | 89 m² | 120 m² | +31 m² +35% | 2025 |
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| 76, Lancaster Drive895 m away | 75 m² | 106 m² | +31 m² +41% | 2025 |
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| 3, Maylands Avenue658 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| 274, Mungo Park Road555 m away | 79 m² | 110 m² | +31 m² +39% | 2018 |
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| 17, Coronation Drive638 m away | 78 m² | 108 m² | +30 m² +38% | 2020 |
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| 26, Ryder Gardens836 m away | 93 m² | 122 m² | +29 m² +31% | 2026 |
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| 210, Benhurst Avenue621 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 240, Mungo Park Road723 m away | 77 m² | 106 m² | +29 m² +38% | 2023 |
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| 11a, Tadworth Parade456 m away | 44 m² | 73 m² | +29 m² +66% | 2022 |
|---|
| 9, St Andrews Avenue319 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 204, Warren Drive564 m away | 121 m² | 150 m² | +29 m² +24% | 2021 |
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| 25, Langdale Gardens294 m away | 111 m² | 140 m² | +29 m² +26% | 2019 |
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| 8, Carfax Road326 m away | 76 m² | 105 m² | +29 m² +38% | 2015 |
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| 22, Lovell Walk627 m away | 76 m² | 104 m² | +28 m² +37% | 2024 |
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| 19, Sowrey Avenue816 m away | 76 m² | 104 m² | +28 m² +37% | 2024 |
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| 73, Laburnum Walk846 m away | 81 m² | 108 m² | +27 m² +33% | 2022 |
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| 16, Peregrine Walk993 m away | 75 m² | 102 m² | +27 m² +36% | 2015 |
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| 11, Ambleside Avenue438 m away | 70 m² | 97 m² | +27 m² +39% | 2011 |
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| 7, Carnforth Gardens252 m away | 101 m² | 127 m² | +26 m² +26% | 2026 |
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| 45, Laburnum Walk969 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
|---|
| 226, St Andrews Avenue287 m away | 84 m² | 110 m² | +26 m² +31% | 2014 |
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| 25, Calbourne Avenue632 m away | 106 m² | 131 m² | +25 m² +24% | 2020 |
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| 162, Elm Park Avenue657 m away | 56 m² | 81 m² | +25 m² +45% | 2020 |
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| 114, Diban Avenue629 m away | 84 m² | 108 m² | +24 m² +29% | 2022 |
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| 110, Northwood Avenue322 m away | 87 m² | 110 m² | +23 m² +26% | 2026 |
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| 23, Lovell Walk627 m away | 102 m² | 125 m² | +23 m² +23% | 2024 |
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| 101, Benhurst Avenue734 m away | 96 m² | 119 m² | +23 m² +24% | 2021 |
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| 131, Laburnum Walk846 m away | 80 m² | 102 m² | +22 m² +28% | 2026 |
|---|
| 16, Northwood Avenue322 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 107, Eyhurst Avenue530 m away | 99 m² | 121 m² | +22 m² +22% | 2020 |
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| 67, Bader Way774 m away | 121 m² | 143 m² | +22 m² +18% | 2020 |
|---|
| 8, Kendal Croft236 m away | 92 m² | 114 m² | +22 m² +24% | 2019 |
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| 25, Silverdale Drive526 m away | 114 m² | 136 m² | +22 m² +19% | 2018 |
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| 77, Tuck Road750 m away | 71 m² | 93 m² | +22 m² +31% | 2016 |
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| 179, Warren Drive840 m away | 65 m² | 87 m² | +22 m² +34% | 2014 |
|---|
| 116, Warren Drive834 m away | 95 m² | 116 m² | +21 m² +22% | 2026 |
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| 76, Warren Drive834 m away | 98 m² | 119 m² | +21 m² +21% | 2024 |
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| 91, Woburn Avenue197 m away | 116 m² | 137 m² | +21 m² +18% | 2023 |
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| 82, Laburnum Walk846 m away | 76 m² | 97 m² | +21 m² +28% | 2020 |
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| 46, Elm Park Avenue852 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
|---|
| 1, Spring Gardens561 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
|---|
| 7, Hugo Gardens981 m away | 76 m² | 96 m² | +20 m² +26% | 2023 |
|---|
| 71, St Andrews Avenue220 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
|---|
| 2, Gray Gardens573 m away | 77 m² | 97 m² | +20 m² +26% | 2021 |
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| 42, Petworth Way312 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
|---|
| 19, Hugo Gardens981 m away | 68 m² | 88 m² | +20 m² +29% | 2016 |
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| 38, Cowdray Way168 m away | 101 m² | 121 m² | +20 m² +20% | 2015 |
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| 52, Coniston Way295 m away | 92 m² | 111 m² | +19 m² +21% | 2025 |
|---|
| 25, Furness Way373 m away | 87 m² | 106 m² | +19 m² +22% | 2024 |
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| 31, Astra Close795 m away | 85 m² | 104 m² | +19 m² +22% | 2023 |
|---|
| 365, South End Road752 m away | 59 m² | 78 m² | +19 m² +32% | 2014 |
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| 25, Ambleside Avenue438 m away | 73 m² | 92 m² | +19 m² +26% | 2010 |
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| 13, Stephen Avenue578 m away | 77 m² | 95 m² | +18 m² +23% | 2026 |
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| 253, Elm Park Avenue300 m away | 99 m² | 117 m² | +18 m² +18% | 2025 |
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| 285, Warren Drive402 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
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| 85, Woburn Avenue197 m away | 77 m² | 95 m² | +18 m² +23% | 2023 |
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| 1, Bader Way903 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
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| 6a, Broadway Parade398 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 21, Lovell Walk627 m away | 77 m² | 94 m² | +17 m² +22% | 2026 |
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| 141, Laburnum Avenue912 m away | 70 m² | 87 m² | +17 m² +24% | 2025 |
|---|
| 3, Yale Way215 m away | 111 m² | 128 m² | +17 m² +15% | 2022 |
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| 56, Diban Avenue756 m away | 74 m² | 91 m² | +17 m² +23% | 2021 |
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| 72, Sowrey Avenue726 m away | 73 m² | 90 m² | +17 m² +23% | 2020 |
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| 17a, The Broadway419 m away | 69 m² | 85 m² | +16 m² +23% | 2025 |
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| 604, South End Road824 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 81, Laburnum Walk846 m away | 81 m² | 97 m² | +16 m² +20% | 2019 |
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| 9, Petworth Way312 m away | 95 m² | 111 m² | +16 m² +17% | 2010 |
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| 73, Deere Avenue750 m away | 53 m² | 68 m² | +15 m² +28% | 2022 |
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| 444, South End Road716 m away | 81 m² | 96 m² | +15 m² +19% | 2020 |
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| 1, Diban Court513 m away | 46 m² | 61 m² | +15 m² +33% | 2019 |
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| 62, Cowdray Way168 m away | 84 m² | 99 m² | +15 m² +18% | 2014 |
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| 164, Eyhurst Avenue485 m away | 81 m² | 96 m² | +15 m² +19% | 2014 |
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