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 5PT
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 Close261 m away | 95 m² | 201 m² | +106 m² +112% | 2025 |
| 34, Hunter Drive976 m away | 66 m² | 143 m² | +77 m² +117% | 2025 |
| 471, South End Road748 m away | 79 m² | 155 m² | +76 m² +96% | 2021 |
| 23, Windermere Avenue967 m away | 82 m² | 143 m² | +61 m² +74% | 2015 |
| 9, Hesselyn Drive732 m away | 77 m² | 138 m² | +61 m² +79% | 2014 |
| 31, Penrith Crescent620 m away | 110 m² | 168 m² | +58 m² +53% | 2025 |
| 8, Upney Close693 m away | 115 m² | 173 m² | +58 m² +50% | 2017 |
| 37, Elmer Gardens936 m away | 106 m² | 163 m² | +57 m² +54% | 2021 |
| 30, Wittering Walk249 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 |
| 160 m² |
| +54 m² +51% |
| 2015 |
| 190, Lancaster Drive424 m away | 72 m² | 125 m² | +53 m² +74% | 2018 |
|---|
| 130, Laburnum Walk653 m away | 99 m² | 151 m² | +52 m² +53% | 2022 |
|---|
| 10, West Malling Way355 m away | 92 m² | 136 m² | +44 m² +48% | 2016 |
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| 54, Cavendish Crescent336 m away | 204 m² | 248 m² | +44 m² +22% | 2013 |
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| 10, Hatfield Close759 m away | 83 m² | 126 m² | +43 m² +52% | 2025 |
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| 73, Bader Way446 m away | 89 m² | 131 m² | +42 m² +47% | 2026 |
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| 19, Swanbourne Drive797 m away | 95 m² | 137 m² | +42 m² +44% | 2015 |
|---|
| 10, Fulmar Road547 m away | 100 m² | 141 m² | +41 m² +41% | 2015 |
|---|
| 7, Esmond Close698 m away | 85 m² | 126 m² | +41 m² +48% | 2014 |
|---|
| 8, Rochester Road316 m away | 76 m² | 116 m² | +40 m² +53% | 2026 |
|---|
| 25, Calmore Close654 m away | 81 m² | 121 m² | +40 m² +49% | 2019 |
|---|
| 84, Laburnum Walk653 m away | 70 m² | 110 m² | +40 m² +57% | 2014 |
|---|
| 151, South End Road998 m away | 111 m² | 149 m² | +38 m² +34% | 2024 |
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| 6, Easedale Drive748 m away | 81 m² | 119 m² | +38 m² +47% | 2021 |
|---|
| 5, Carnforth Gardens898 m away | 87 m² | 125 m² | +38 m² +44% | 2021 |
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| 21, Finucane Gardens635 m away | 46 m² | 84 m² | +38 m² +83% | 2015 |
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| 15, St Andrews Avenue923 m away | 71 m² | 107 m² | +36 m² +51% | 2025 |
|---|
| 93, Elms Farm Road667 m away | 100 m² | 136 m² | +36 m² +36% | 2014 |
|---|
| 13, Conway Close870 m away | 59 m² | 94 m² | +35 m² +59% | 2023 |
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| 163, South End Road998 m away | 71 m² | 105 m² | +34 m² +48% | 2025 |
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| 74, Ambleside Avenue573 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
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| 62, Mungo Park Road720 m away | 122 m² | 154 m² | +32 m² +26% | 2021 |
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| 108, Lancaster Drive681 m away | 85 m² | 117 m² | +32 m² +38% | 2010 |
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| 36, Wood Lane874 m away | 89 m² | 120 m² | +31 m² +35% | 2025 |
|---|
| 3, Maylands Avenue935 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| 274, Mungo Park Road744 m away | 79 m² | 110 m² | +31 m² +39% | 2018 |
|---|
| 35, Calmore Close654 m away | 100 m² | 131 m² | +31 m² +31% | 2013 |
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| 17, Coronation Drive570 m away | 78 m² | 108 m² | +30 m² +38% | 2020 |
|---|
| 5, Leconfield Walk143 m away | 80 m² | 110 m² | +30 m² +38% | 2015 |
|---|
| 240, Mungo Park Road777 m away | 77 m² | 106 m² | +29 m² +38% | 2023 |
|---|
| 11a, Tadworth Parade981 m away | 44 m² | 73 m² | +29 m² +66% | 2022 |
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| 9, St Andrews Avenue923 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 25, Langdale Gardens881 m away | 111 m² | 140 m² | +29 m² +26% | 2019 |
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| 2, Condor Walk489 m away | 101 m² | 130 m² | +29 m² +29% | 2015 |
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| 19, Sowrey Avenue934 m away | 76 m² | 104 m² | +28 m² +37% | 2024 |
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| 22, Lovell Walk980 m away | 76 m² | 104 m² | +28 m² +37% | 2024 |
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| 88, Elmer Gardens936 m away | 109 m² | 137 m² | +28 m² +26% | 2023 |
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| 50, Swanbourne Drive797 m away | 77 m² | 104 m² | +27 m² +35% | 2024 |
|---|
| 73, Laburnum Walk653 m away | 81 m² | 108 m² | +27 m² +33% | 2022 |
|---|
| 6, Esmond Close698 m away | 94 m² | 121 m² | +27 m² +29% | 2017 |
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| 16, Peregrine Walk425 m away | 75 m² | 102 m² | +27 m² +36% | 2015 |
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| 59, Elmer Gardens936 m away | 100 m² | 127 m² | +27 m² +27% | 2014 |
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| 11, Ambleside Avenue752 m away | 70 m² | 97 m² | +27 m² +39% | 2011 |
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| 7, Carnforth Gardens898 m away | 101 m² | 127 m² | +26 m² +26% | 2026 |
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| 5, Rosebank Avenue969 m away | 72 m² | 98 m² | +26 m² +36% | 2023 |
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| 2, Peregrine Walk449 m away | 73 m² | 99 m² | +26 m² +36% | 2016 |
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| 25, Calbourne Avenue760 m away | 106 m² | 131 m² | +25 m² +24% | 2020 |
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| 173, South End Road798 m away | 98 m² | 122 m² | +24 m² +24% | 2025 |
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| 23, Lovell Walk980 m away | 102 m² | 125 m² | +23 m² +23% | 2024 |
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| 35, Flamingo Walk592 m away | 70 m² | 93 m² | +23 m² +33% | 2014 |
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| 131, Laburnum Walk653 m away | 80 m² | 102 m² | +22 m² +28% | 2026 |
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| 67, Bader Way446 m away | 121 m² | 143 m² | +22 m² +18% | 2020 |
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| 176, Suttons Lane862 m away | 82 m² | 104 m² | +22 m² +27% | 2020 |
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| 15, Kestrel Close423 m away | 82 m² | 104 m² | +22 m² +27% | 2018 |
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| 25, Silverdale Drive603 m away | 114 m² | 136 m² | +22 m² +19% | 2018 |
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| 77, Tuck Road747 m away | 71 m² | 93 m² | +22 m² +31% | 2016 |
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| 13, Bonington Road667 m away | 101 m² | 123 m² | +22 m² +22% | 2015 |
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| 15, Ilfracombe Crescent980 m away | 116 m² | 138 m² | +22 m² +19% | 2014 |
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| Flat 32, Maybank Lodge, Maybank Avenue497 m away | 42 m² | 64 m² | +22 m² +52% | 2011 |
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| 82, Laburnum Walk653 m away | 76 m² | 97 m² | +21 m² +28% | 2020 |
|---|
| 2, Falcon Way655 m away | 111 m² | 132 m² | +21 m² +19% | 2016 |
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| 24, Mungo Park Road685 m away | 105 m² | 125 m² | +20 m² +19% | 2025 |
|---|
| 2, Gray Gardens931 m away | 77 m² | 97 m² | +20 m² +26% | 2021 |
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| 5, Condor Walk489 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
|---|
| 3, Rye Close861 m away | 84 m² | 104 m² | +20 m² +24% | 2012 |
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| 31, Astra Close343 m away | 85 m² | 104 m² | +19 m² +22% | 2023 |
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| 33, Dawson Drive689 m away | 77 m² | 96 m² | +19 m² +25% | 2023 |
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| 365, South End Road396 m away | 59 m² | 78 m² | +19 m² +32% | 2014 |
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| 11, Veny Crescent664 m away | 93 m² | 112 m² | +19 m² +20% | 2014 |
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| 25, Ambleside Avenue752 m away | 73 m² | 92 m² | +19 m² +26% | 2010 |
|---|
| 13, Stephen Avenue852 m away | 77 m² | 95 m² | +18 m² +23% | 2026 |
|---|
| 1, Bader Way573 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
|---|
| 47, Stapleton Crescent659 m away | 89 m² | 107 m² | +18 m² +20% | 2016 |
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| 1, St John'S Close962 m away | 89 m² | 107 m² | +18 m² +20% | 2016 |
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| 63, Hayes Drive674 m away | 76 m² | 94 m² | +18 m² +24% | 2013 |
|---|
| 21, Lovell Walk980 m away | 77 m² | 94 m² | +17 m² +22% | 2026 |
|---|
| 1, Sarre Avenue426 m away | 59 m² | 76 m² | +17 m² +29% | 2024 |
|---|
| 41, Jersey Road903 m away | 104 m² | 121 m² | +17 m² +16% | 2021 |
|---|
| 10, Bennions Close525 m away | 60 m² | 76 m² | +16 m² +27% | 2026 |
|---|
| 69, Rosebank Avenue801 m away | 86 m² | 102 m² | +16 m² +19% | 2024 |
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| 22, Rosebank Avenue969 m away | 85 m² | 101 m² | +16 m² +19% | 2024 |
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| 46, Tangmere Crescent90 m away | 94 m² | 110 m² | +16 m² +17% | 2023 |
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| 21, Hawkinge Way182 m away | 78 m² | 94 m² | +16 m² +21% | 2019 |
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| 81, Laburnum Walk653 m away | 81 m² | 97 m² | +16 m² +20% | 2019 |
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| 57, Rosebank Avenue801 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 144, Maybank Avenue429 m away | 72 m² | 87 m² | +15 m² +21% | 2025 |
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| 73, Deere Avenue546 m away | 53 m² | 68 m² | +15 m² +28% | 2022 |
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| 56, Jersey Road800 m away | 75 m² | 90 m² | +15 m² +20% | 2022 |
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| 444, South End Road713 m away | 81 m² | 96 m² | +15 m² +19% | 2020 |
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| 36, Ilfracombe Crescent980 m away | 93 m² | 108 m² | +15 m² +16% | 2018 |
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