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 BR5 4BP
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 |
|---|---|---|---|---|
| 17, Bournewood Road868 m away | 82 m² | 200 m² | +118 m² +144% | 2025 |
| 51, Sweeps Lane470 m away | 123 m² | 208 m² | +85 m² +69% | 2022 |
| 10, Veryan Close833 m away | 61 m² | 139 m² | +78 m² +128% | 2018 |
| The Bungalow, Crockenhill Road766 m away | 85 m² | 153 m² | +68 m² +80% | 2026 |
| 48, Chelsfield Lane808 m away | 112 m² | 172 m² | +60 m² +54% | 2025 |
| 86, Lower Road924 m away | 78 m² | 135 m² | +57 m² +73% | 2021 |
| 73, Chelsfield Lane794 m away | 75 m² | 132 m² | +57 m² +76% | 2020 |
| 37, Hood Avenue901 m away | 80 m² | 134 m² | +54 m² +68% | 2024 |
| 18, Axtaine Road945 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.
| 66 m² |
| 117 m² |
| +51 m² +77% |
| 2026 |
| 65, Doveney Close982 m away | 46 m² | 96 m² | +50 m² +109% | 2025 |
|---|
| 1, De Lapre Close956 m away | 89 m² | 137 m² | +48 m² +54% | 2015 |
|---|
| 183a, High Street437 m away | 43 m² | 89 m² | +46 m² +107% | 2020 |
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| 46, Northfield Avenue652 m away | 105 m² | 150 m² | +45 m² +43% | 2019 |
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| 17, Chelsfield Lane794 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 16, Chesterfield Close677 m away | 88 m² | 129 m² | +41 m² +47% | 2024 |
|---|
| 41, Derry Downs423 m away | 137 m² | 176 m² | +39 m² +28% | 2015 |
|---|
| 27, Northfield Avenue652 m away | 69 m² | 105 m² | +36 m² +52% | 2026 |
|---|
| 30, Northfield Avenue652 m away | 53 m² | 89 m² | +36 m² +68% | 2018 |
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| 24, Cockmannings Road652 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
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| 9, Okemore Gardens475 m away | 108 m² | 141 m² | +33 m² +31% | 2023 |
|---|
| 29, Chesterfield Close689 m away | 81 m² | 114 m² | +33 m² +41% | 2014 |
|---|
| 10, Kynaston Road950 m away | 50 m² | 82 m² | +32 m² +64% | 2023 |
|---|
| 2, Ronfearn Avenue0 m away | 80 m² | 111 m² | +31 m² +39% | 2024 |
|---|
| 82, Lower Road924 m away | 77 m² | 107 m² | +30 m² +39% | 2022 |
|---|
| 2a, Waldenhurst Road987 m away | 92 m² | 121 m² | +29 m² +32% | 2012 |
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| 10, Axtaine Road945 m away | 59 m² | 87 m² | +28 m² +47% | 2025 |
|---|
| 41, Chelsfield Lane794 m away | 100 m² | 128 m² | +28 m² +28% | 2021 |
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| 36, Rutland Way455 m away | 86 m² | 114 m² | +28 m² +33% | 2019 |
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| 59, Chelsfield Lane794 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
|---|
| 76, Rookesley Road814 m away | 87 m² | 114 m² | +27 m² +31% | 2021 |
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| 86, Crockenhill Road119 m away | 109 m² | 136 m² | +27 m² +25% | 2017 |
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| 38, May Avenue855 m away | 57 m² | 84 m² | +27 m² +47% | 2010 |
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| 14, Elizabeth Way352 m away | 83 m² | 108 m² | +25 m² +30% | 2025 |
|---|
| 69a, Star Lane760 m away | 90 m² | 115 m² | +25 m² +28% | 2016 |
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| 2, Burrfield Drive281 m away | 80 m² | 104 m² | +24 m² +30% | 2023 |
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| 29, Hodson Crescent150 m away | 74 m² | 98 m² | +24 m² +32% | 2019 |
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| 20, Sanderstead Road993 m away | 56 m² | 80 m² | +24 m² +43% | 2015 |
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| 54, Sandpiper Way958 m away | 58 m² | 82 m² | +24 m² +41% | 2014 |
|---|
| 195, High Street437 m away | 74 m² | 97 m² | +23 m² +31% | 2025 |
|---|
| 35, Star Lane753 m away | 72 m² | 95 m² | +23 m² +32% | 2016 |
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| 75, Chelsfield Lane794 m away | 70 m² | 92 m² | +22 m² +31% | 2026 |
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| 2, Teal Avenue830 m away | 73 m² | 95 m² | +22 m² +30% | 2026 |
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| 14, Okemore Gardens475 m away | 107 m² | 128 m² | +21 m² +20% | 2024 |
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| 26, Sussex Road692 m away | 54 m² | 75 m² | +21 m² +39% | 2023 |
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| 8, Sandway Road708 m away | 67 m² | 88 m² | +21 m² +31% | 2021 |
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| 100, Crockenhill Road200 m away | 85 m² | 105 m² | +20 m² +24% | 2026 |
|---|
| 2, May Avenue855 m away | 60 m² | 80 m² | +20 m² +33% | 2014 |
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| 32, Cockmannings Road652 m away | 52 m² | 71 m² | +19 m² +37% | 2022 |
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| 70, Mungo Park Way931 m away | 117 m² | 136 m² | +19 m² +16% | 2022 |
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| 16, Elizabeth Way352 m away | 84 m² | 103 m² | +19 m² +23% | 2019 |
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| 13, Edmund Road663 m away | 64 m² | 83 m² | +19 m² +30% | 2013 |
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| 7, Highlands Road974 m away | 54 m² | 73 m² | +19 m² +35% | 2013 |
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| 57, Cray Avenue990 m away | 63 m² | 81 m² | +18 m² +29% | 2023 |
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| 49, Wellington Road736 m away | 54 m² | 72 m² | +18 m² +33% | 2022 |
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| 28, Chelsfield Road581 m away | 55 m² | 73 m² | +18 m² +33% | 2017 |
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| 25a, Derry Downs423 m away | 90 m² | 108 m² | +18 m² +20% | 2013 |
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| 29, Molash Road464 m away | 80 m² | 97 m² | +17 m² +21% | 2024 |
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| 29, Northfield Avenue652 m away | 57 m² | 74 m² | +17 m² +30% | 2022 |
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| 66, Rookesley Road814 m away | 76 m² | 93 m² | +17 m² +22% | 2019 |
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| 4, Red Lion Close435 m away | 60 m² | 77 m² | +17 m² +28% | 2017 |
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| 37, Buttermere Road876 m away | 41 m² | 57 m² | +16 m² +39% | 2025 |
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| 64, May Avenue855 m away | 47 m² | 63 m² | +16 m² +34% | 2024 |
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| St Teresa, Cherry Orchard Close400 m away | 73 m² | 89 m² | +16 m² +22% | 2022 |
|---|
| 14, Chesterfield Close677 m away | 85 m² | 101 m² | +16 m² +19% | 2021 |
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| 7, Roberts Close394 m away | 60 m² | 76 m² | +16 m² +27% | 2012 |
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| 2, Rookesley Road814 m away | 77 m² | 92 m² | +15 m² +19% | 2026 |
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| 17, Stanton Close822 m away | 43 m² | 58 m² | +15 m² +35% | 2024 |
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| 31, Star Lane753 m away | 70 m² | 85 m² | +15 m² +21% | 2014 |
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