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 5PP
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, North Weald Close307 m away | 95 m² | 201 m² | +106 m² +112% | 2025 |
| 34, Hunter Drive982 m away | 66 m² | 143 m² | +77 m² +117% | 2025 |
| 471, South End Road709 m away | 79 m² | 155 m² | +76 m² +96% | 2021 |
| 36, Elmer Gardens974 m away | 72 m² | 147 m² | +75 m² +104% | 2011 |
| 23, Windermere Avenue892 m away | 82 m² | 143 m² | +61 m² +74% | 2015 |
| 9, Hesselyn Drive714 m away | 77 m² | 138 m² | +61 m² +79% | 2014 |
| 31, Penrith Crescent528 m away | 110 m² | 168 m² | +58 m² +53% | 2025 |
| 8, Upney Close743 m away | 115 m² | 173 m² | +58 m² +50% | 2017 |
| 37, Elmer Gardens869 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.
| 106 m² |
| 163 m² |
| +57 m² +54% |
| 2021 |
| 30, Wittering Walk315 m away | 106 m² | 160 m² | +54 m² +51% | 2015 |
|---|
| 190, Lancaster Drive382 m away | 72 m² | 125 m² | +53 m² +74% | 2018 |
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| 24, Ennerdale Avenue917 m away | 89 m² | 141 m² | +52 m² +58% | 2026 |
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| 130, Laburnum Walk634 m away | 99 m² | 151 m² | +52 m² +53% | 2022 |
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| 10, West Malling Way351 m away | 92 m² | 136 m² | +44 m² +48% | 2016 |
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| 54, Cavendish Crescent257 m away | 204 m² | 248 m² | +44 m² +22% | 2013 |
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| 10, Hatfield Close805 m away | 83 m² | 126 m² | +43 m² +52% | 2025 |
|---|
| 73, Bader Way353 m away | 89 m² | 131 m² | +42 m² +47% | 2026 |
|---|
| 19, Swanbourne Drive850 m away | 95 m² | 137 m² | +42 m² +44% | 2015 |
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| 10, Fulmar Road475 m away | 100 m² | 141 m² | +41 m² +41% | 2015 |
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| 7, Esmond Close670 m away | 85 m² | 126 m² | +41 m² +48% | 2014 |
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| 8, Rochester Road336 m away | 76 m² | 116 m² | +40 m² +53% | 2026 |
|---|
| 25, Calmore Close680 m away | 81 m² | 121 m² | +40 m² +49% | 2019 |
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| 84, Laburnum Walk634 m away | 70 m² | 110 m² | +40 m² +57% | 2014 |
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| 151, South End Road956 m away | 111 m² | 149 m² | +38 m² +34% | 2024 |
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| 6, Easedale Drive670 m away | 81 m² | 119 m² | +38 m² +47% | 2021 |
|---|
| 5, Carnforth Gardens821 m away | 87 m² | 125 m² | +38 m² +44% | 2021 |
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| 21, Finucane Gardens541 m away | 46 m² | 84 m² | +38 m² +83% | 2015 |
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| 15, St Andrews Avenue853 m away | 71 m² | 107 m² | +36 m² +51% | 2025 |
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| 93, Elms Farm Road664 m away | 100 m² | 136 m² | +36 m² +36% | 2014 |
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| 13, Conway Close813 m away | 59 m² | 94 m² | +35 m² +59% | 2023 |
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| 163, South End Road956 m away | 71 m² | 105 m² | +34 m² +48% | 2025 |
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| 74, Ambleside Avenue497 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
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| 62, Mungo Park Road663 m away | 122 m² | 154 m² | +32 m² +26% | 2021 |
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| 108, Lancaster Drive651 m away | 85 m² | 117 m² | +32 m² +38% | 2010 |
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| 36, Wood Lane781 m away | 89 m² | 120 m² | +31 m² +35% | 2025 |
|---|
| 3, Maylands Avenue895 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| 274, Mungo Park Road650 m away | 79 m² | 110 m² | +31 m² +39% | 2018 |
|---|
| 35, Calmore Close680 m away | 100 m² | 131 m² | +31 m² +31% | 2013 |
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| 17, Coronation Drive513 m away | 78 m² | 108 m² | +30 m² +38% | 2020 |
|---|
| 5, Leconfield Walk216 m away | 80 m² | 110 m² | +30 m² +38% | 2015 |
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| 26, Ryder Gardens941 m away | 93 m² | 122 m² | +29 m² +31% | 2026 |
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| 240, Mungo Park Road686 m away | 77 m² | 106 m² | +29 m² +38% | 2023 |
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| 11a, Tadworth Parade923 m away | 44 m² | 73 m² | +29 m² +66% | 2022 |
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| 9, St Andrews Avenue853 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 25, Langdale Gardens792 m away | 111 m² | 140 m² | +29 m² +26% | 2019 |
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| 2, Condor Walk443 m away | 101 m² | 130 m² | +29 m² +29% | 2015 |
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| 19, Sowrey Avenue846 m away | 76 m² | 104 m² | +28 m² +37% | 2024 |
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| 22, Lovell Walk888 m away | 76 m² | 104 m² | +28 m² +37% | 2024 |
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| 88, Elmer Gardens869 m away | 109 m² | 137 m² | +28 m² +26% | 2023 |
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| 50, Swanbourne Drive850 m away | 77 m² | 104 m² | +27 m² +35% | 2024 |
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| 73, Laburnum Walk634 m away | 81 m² | 108 m² | +27 m² +33% | 2022 |
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| 6, Esmond Close670 m away | 94 m² | 121 m² | +27 m² +29% | 2017 |
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| 16, Peregrine Walk353 m away | 75 m² | 102 m² | +27 m² +36% | 2015 |
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| 59, Elmer Gardens869 m away | 100 m² | 127 m² | +27 m² +27% | 2014 |
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| 11, Ambleside Avenue683 m away | 70 m² | 97 m² | +27 m² +39% | 2011 |
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| 7, Carnforth Gardens821 m away | 101 m² | 127 m² | +26 m² +26% | 2026 |
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| 45, Laburnum Walk999 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 5, Rosebank Avenue967 m away | 72 m² | 98 m² | +26 m² +36% | 2023 |
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| 2, Peregrine Walk384 m away | 73 m² | 99 m² | +26 m² +36% | 2016 |
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| 25, Calbourne Avenue715 m away | 106 m² | 131 m² | +25 m² +24% | 2020 |
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| 173, South End Road763 m away | 98 m² | 122 m² | +24 m² +24% | 2025 |
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| 18, Elmer Gardens974 m away | 101 m² | 124 m² | +23 m² +23% | 2025 |
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| 23, Lovell Walk888 m away | 102 m² | 125 m² | +23 m² +23% | 2024 |
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| 35, Flamingo Walk528 m away | 70 m² | 93 m² | +23 m² +33% | 2014 |
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| 131, Laburnum Walk634 m away | 80 m² | 102 m² | +22 m² +28% | 2026 |
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| 67, Bader Way353 m away | 121 m² | 143 m² | +22 m² +18% | 2020 |
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| 176, Suttons Lane917 m away | 82 m² | 104 m² | +22 m² +27% | 2020 |
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| 8, Kendal Croft927 m away | 92 m² | 114 m² | +22 m² +24% | 2019 |
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| 15, Kestrel Close384 m away | 82 m² | 104 m² | +22 m² +27% | 2018 |
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| 25, Silverdale Drive522 m away | 114 m² | 136 m² | +22 m² +19% | 2018 |
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| 77, Tuck Road657 m away | 71 m² | 93 m² | +22 m² +31% | 2016 |
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| 13, Bonington Road723 m away | 101 m² | 123 m² | +22 m² +22% | 2015 |
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| 15, Ilfracombe Crescent997 m away | 116 m² | 138 m² | +22 m² +19% | 2014 |
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| Flat 32, Maybank Lodge, Maybank Avenue528 m away | 42 m² | 64 m² | +22 m² +52% | 2011 |
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| 82, Laburnum Walk634 m away | 76 m² | 97 m² | +21 m² +28% | 2020 |
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| 2, Falcon Way595 m away | 111 m² | 132 m² | +21 m² +19% | 2016 |
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| 24, Mungo Park Road642 m away | 105 m² | 125 m² | +20 m² +19% | 2025 |
|---|
| 1, Spring Gardens974 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
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| 7, Hugo Gardens927 m away | 76 m² | 96 m² | +20 m² +26% | 2023 |
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| 71, St Andrews Avenue970 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
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| 2, Gray Gardens838 m away | 77 m² | 97 m² | +20 m² +26% | 2021 |
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| 19, Hugo Gardens927 m away | 68 m² | 88 m² | +20 m² +29% | 2016 |
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| 5, Condor Walk443 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
|---|
| 3, Rye Close881 m away | 84 m² | 104 m² | +20 m² +24% | 2012 |
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| 25, Furness Way919 m away | 87 m² | 106 m² | +19 m² +22% | 2024 |
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| 31, Astra Close253 m away | 85 m² | 104 m² | +19 m² +22% | 2023 |
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| 33, Dawson Drive671 m away | 77 m² | 96 m² | +19 m² +25% | 2023 |
|---|
| 365, South End Road332 m away | 59 m² | 78 m² | +19 m² +32% | 2014 |
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| 11, Veny Crescent729 m away | 93 m² | 112 m² | +19 m² +20% | 2014 |
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| 25, Ambleside Avenue683 m away | 73 m² | 92 m² | +19 m² +26% | 2010 |
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| 13, Stephen Avenue758 m away | 77 m² | 95 m² | +18 m² +23% | 2026 |
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| 1, Bader Way490 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
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| 47, Stapleton Crescent587 m away | 89 m² | 107 m² | +18 m² +20% | 2016 |
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| 1, St John'S Close929 m away | 89 m² | 107 m² | +18 m² +20% | 2016 |
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| 63, Hayes Drive664 m away | 76 m² | 94 m² | +18 m² +24% | 2013 |
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| 21, Lovell Walk888 m away | 77 m² | 94 m² | +17 m² +22% | 2026 |
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| 1, Sarre Avenue486 m away | 59 m² | 76 m² | +17 m² +29% | 2024 |
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| 41, Jersey Road856 m away | 104 m² | 121 m² | +17 m² +16% | 2021 |
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| 72, Sowrey Avenue938 m away | 73 m² | 90 m² | +17 m² +23% | 2020 |
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| 10, Bennions Close600 m away | 60 m² | 76 m² | +16 m² +27% | 2026 |
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| 69, Rosebank Avenue803 m away | 86 m² | 102 m² | +16 m² +19% | 2024 |
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| 22, Rosebank Avenue967 m away | 85 m² | 101 m² | +16 m² +19% | 2024 |
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| 46, Tangmere Crescent123 m away | 94 m² | 110 m² | +16 m² +17% | 2023 |
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| 604, South End Road987 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 21, Hawkinge Way198 m away | 78 m² | 94 m² | +16 m² +21% | 2019 |
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| 81, Laburnum Walk634 m away | 81 m² | 97 m² | +16 m² +20% | 2019 |
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| 57, Rosebank Avenue803 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 144, Maybank Avenue450 m away | 72 m² | 87 m² | +15 m² +21% | 2025 |
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| 73, Deere Avenue454 m away | 53 m² | 68 m² | +15 m² +28% | 2022 |
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| 56, Jersey Road750 m away | 75 m² | 90 m² | +15 m² +20% | 2022 |
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| 444, South End Road678 m away | 81 m² | 96 m² | +15 m² +19% | 2020 |
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| 36, Ilfracombe Crescent997 m away | 93 m² | 108 m² | +15 m² +16% | 2018 |
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