Finding extended homes…
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Sign in to keep them on every device →Finding extended homes…
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 SE25 5ET
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, Ashburton Avenue914 m away | 119 m² | 206 m² | +87 m² +73% | 2026 |
| 335, Davidson Road983 m away | 112 m² | 198 m² | +86 m² +77% | 2021 |
| 12, Ashburton Avenue879 m away | 94 m² | 175 m² | +81 m² +86% | 2025 |
| 23, Inglis Road962 m away | 154 m² | 235 m² | +81 m² +53% | 2023 |
| 71, Crowther Road863 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 12, Capri Road748 m away | 84 m² | 154 m² | +70 m² +83% | 2024 |
| 11a, Shirley Road727 m away | 89 m² | 156 m² | +67 m² +75% | 2025 |
| 19, Colworth Road852 m away | 64 m² | 126 m² | +62 m² +97% | 2010 |
| 206, Portland Road595 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.
| 166 m² |
| 225 m² |
| +59 m² +36% |
| 2025 |
| 13, Birchanger Road871 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
|---|
| 130, Bingham Road771 m away | 113 m² | 170 m² | +57 m² +50% | 2013 |
|---|
| 16, Southcote Road515 m away | 92 m² | 148 m² | +56 m² +61% | 2020 |
|---|
| 27, Coleridge Road692 m away | 92 m² | 147 m² | +55 m² +60% | 2021 |
|---|
| 41, Alderton Road428 m away | 63 m² | 118 m² | +55 m² +87% | 2014 |
|---|
| 120, Portland Road875 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
|---|
| 48, Enmore Road684 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
|---|
| 170, Bingham Road771 m away | 108 m² | 162 m² | +54 m² +50% | 2012 |
|---|
| 529, Davidson Road787 m away | 85 m² | 137 m² | +52 m² +61% | 2022 |
|---|
| 55, Bingham Road819 m away | 107 m² | 159 m² | +52 m² +49% | 2018 |
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| 63, Shirley Park Road799 m away | 106 m² | 157 m² | +51 m² +48% | 2024 |
|---|
| 198, Morland Road514 m away | 109 m² | 159 m² | +50 m² +46% | 2026 |
|---|
| 58, Bredon Road820 m away | 69 m² | 119 m² | +50 m² +72% | 2024 |
|---|
| 23, Baring Road747 m away | 104 m² | 153 m² | +49 m² +47% | 2018 |
|---|
| 1, Watcombe Road839 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
|---|
| 56, Oakley Road725 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
|---|
| 18, Cobden Road516 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 5, Chart Close648 m away | 43 m² | 90 m² | +47 m² +109% | 2021 |
|---|
| 58, Enmore Road684 m away | 31 m² | 77 m² | +46 m² +148% | 2021 |
|---|
| 31a, Southcote Road515 m away | 45 m² | 91 m² | +46 m² +102% | 2020 |
|---|
| 61, Pagehurst Road352 m away | 112 m² | 157 m² | +45 m² +40% | 2026 |
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| 24, Cumberland Road469 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
|---|
| 1, Tudor Road584 m away | 92 m² | 137 m² | +45 m² +49% | 2020 |
|---|
| 30, Sherwood Road653 m away | 105 m² | 149 m² | +44 m² +42% | 2026 |
|---|
| 86, Watcombe Road862 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
|---|
| 36, Chaucer Green679 m away | 82 m² | 126 m² | +44 m² +54% | 2024 |
|---|
| 117, Estcourt Road587 m away | 86 m² | 130 m² | +44 m² +51% | 2023 |
|---|
| 3, Market Parade915 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
|---|
| 67, Grasmere Road595 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
|---|
| 65, Grasmere Road595 m away | 35 m² | 78 m² | +43 m² +123% | 2025 |
|---|
| 42, Aschurch Road616 m away | 70 m² | 113 m² | +43 m² +61% | 2025 |
|---|
| 14, Keats Way796 m away | 90 m² | 133 m² | +43 m² +48% | 2025 |
|---|
| 654, Davidson Road747 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
|---|
| 41, Highbarrow Road784 m away | 81 m² | 124 m² | +43 m² +53% | 2024 |
|---|
| 155, Tennison Road771 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
|---|
| 2, Capri Road748 m away | 91 m² | 134 m² | +43 m² +47% | 2021 |
|---|
| Lynmouth, Glenthorne Avenue890 m away | 162 m² | 204 m² | +42 m² +26% | 2025 |
|---|
| 52, Inglis Road925 m away | 84 m² | 126 m² | +42 m² +50% | 2025 |
|---|
| 14, Woodside Green166 m away | 61 m² | 103 m² | +42 m² +69% | 2021 |
|---|
| 90, Birchanger Road630 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
|---|
| 12, Meadvale Road631 m away | 84 m² | 126 m² | +42 m² +50% | 2016 |
|---|
| 321, Portland Road452 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 146, Coleridge Road865 m away | 102 m² | 143 m² | +41 m² +40% | 2022 |
|---|
| 97, Meadvale Road463 m away | 83 m² | 124 m² | +41 m² +49% | 2021 |
|---|
| 118a, Crowther Road832 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| 107, Howard Road395 m away | 83 m² | 124 m² | +41 m² +49% | 2013 |
|---|
| 190, Portland Road595 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
|---|
| 46, Stroud Green Way557 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 76, Woodside Road99 m away | 92 m² | 131 m² | +39 m² +42% | 2024 |
|---|
| 10, Estcourt Road366 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 6, Southcote Road515 m away | 102 m² | 141 m² | +39 m² +38% | 2024 |
|---|
| 138, Dalmally Road764 m away | 80 m² | 119 m² | +39 m² +49% | 2021 |
|---|
| 127, Birchanger Road458 m away | 34 m² | 73 m² | +39 m² +115% | 2011 |
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| 22, Ferndale Road676 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 3, Ferndale Road701 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
|---|
| 77, Cobden Road487 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
|---|
| 5, Manning Gardens578 m away | 96 m² | 134 m² | +38 m² +40% | 2020 |
|---|
| 23, Percy Road857 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
|---|
| 245a, Lower Addiscombe Road765 m away | 57 m² | 95 m² | +38 m² +67% | 2019 |
|---|
| 28, Claremont Road777 m away | 98 m² | 136 m² | +38 m² +39% | 2018 |
|---|
| 19, Woodside Road109 m away | 140 m² | 178 m² | +38 m² +27% | 2014 |
|---|
| 55, Denmark Road557 m away | 105 m² | 143 m² | +38 m² +36% | 2014 |
|---|
| 64, Coniston Road561 m away | 78 m² | 115 m² | +37 m² +47% | 2023 |
|---|
| 23, Aylett Road955 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
|---|
| 94, Ashburton Avenue975 m away | 106 m² | 143 m² | +37 m² +35% | 2023 |
|---|
| 102, Coleridge Road865 m away | 103 m² | 140 m² | +37 m² +36% | 2021 |
|---|
| 176, Dalmally Road764 m away | 90 m² | 127 m² | +37 m² +41% | 2019 |
|---|
| Flat 3, 248, Portland Road432 m away | 31 m² | 67 m² | +36 m² +116% | 2025 |
|---|
| 15, Sandown Road813 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 331, Morland Road428 m away | 97 m² | 133 m² | +36 m² +37% | 2021 |
|---|
| 343, Davidson Road983 m away | 91 m² | 127 m² | +36 m² +40% | 2020 |
|---|
| 12, Estcourt Road366 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
|---|
| 46, Watcombe Road862 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 85, Dundee Road655 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
|---|
| 436, Davidson Road795 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
|---|
| 65, Shirley Park Road799 m away | 110 m² | 145 m² | +35 m² +32% | 2021 |
|---|
| 85, Teevan Road478 m away | 69 m² | 104 m² | +35 m² +51% | 2016 |
|---|
| 27, Amberley Grove926 m away | 106 m² | 140 m² | +34 m² +32% | 2026 |
|---|
| 39, Sandown Road813 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
|---|
| 18, Coniston Road561 m away | 79 m² | 113 m² | +34 m² +43% | 2022 |
|---|
| 29, Compton Road948 m away | 110 m² | 144 m² | +34 m² +31% | 2022 |
|---|
| 581, Davidson Road753 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
|---|
| 101, Cobden Road487 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
|---|
| 41, Coniston Road455 m away | 74 m² | 108 m² | +34 m² +46% | 2016 |
|---|
| 322, Lower Addiscombe Road489 m away | 81 m² | 115 m² | +34 m² +42% | 2014 |
|---|
| 87, Dundee Road655 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
|---|
| 93, Cobden Road487 m away | 95 m² | 128 m² | +33 m² +35% | 2026 |
|---|
| 488, Davidson Road795 m away | 91 m² | 124 m² | +33 m² +36% | 2026 |
|---|
| 88, Estcourt Road493 m away | 57 m² | 90 m² | +33 m² +58% | 2024 |
|---|
| 40, Bredon Road820 m away | 97 m² | 130 m² | +33 m² +34% | 2024 |
|---|
| 30, Shirley Road630 m away | 92 m² | 125 m² | +33 m² +36% | 2019 |
|---|
| 28, Ferndale Road676 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
|---|
| 406, Lower Addiscombe Road429 m away | 135 m² | 168 m² | +33 m² +24% | 2014 |
|---|
| 3, Alderton Road612 m away | 51 m² | 83 m² | +32 m² +63% | 2026 |
|---|
| 26, Elmgrove Road641 m away | 107 m² | 139 m² | +32 m² +30% | 2025 |
|---|
| 97, Dalmally Road739 m away | 88 m² | 120 m² | +32 m² +36% | 2025 |
|---|
| 31, Shinners Close910 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 58a, Crowther Road974 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
|---|
| 49, Birchanger Road753 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
|---|
| 310, Lower Addiscombe Road489 m away | 101 m² | 132 m² | +31 m² +31% | 2022 |
|---|
| 72, Watcombe Road862 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
|---|
| 52, Glenthorne Avenue924 m away | 133 m² | 164 m² | +31 m² +23% | 2021 |
|---|
| 33, Southcote Road515 m away | 87 m² | 118 m² | +31 m² +36% | 2019 |
|---|
| 281, Albert Road699 m away | 70 m² | 101 m² | +31 m² +44% | 2014 |
|---|
| 111, Howard Road395 m away | 56 m² | 86 m² | +30 m² +54% | 2024 |
|---|
| 28, Woodside Avenue403 m away | 99 m² | 129 m² | +30 m² +30% | 2024 |
|---|
| 84, Belmont Road594 m away | 80 m² | 110 m² | +30 m² +38% | 2023 |
|---|
| 21, Sundridge Road896 m away | 124 m² | 154 m² | +30 m² +24% | 2022 |
|---|
| 13, Beckford Road554 m away | 88 m² | 118 m² | +30 m² +34% | 2019 |
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| 34, Parkview Road711 m away | 126 m² | 156 m² | +30 m² +24% | 2011 |
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| 4, Southcote Road515 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 35, Southcote Road515 m away | 99 m² | 128 m² | +29 m² +29% | 2023 |
|---|
| 54, Shirley Park Road836 m away | 87 m² | 116 m² | +29 m² +33% | 2021 |
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| 22, Coniston Road561 m away | 81 m² | 110 m² | +29 m² +36% | 2020 |
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| 57, Malcolm Road353 m away | 91 m² | 120 m² | +29 m² +32% | 2018 |
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| 60, Ashburton Avenue879 m away | 124 m² | 153 m² | +29 m² +23% | 2018 |
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| 3, Sherwood Road640 m away | 90 m² | 119 m² | +29 m² +32% | 2013 |
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| 3, Seymour Place996 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
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| 52, Watcombe Road862 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
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| 38, Davies Close493 m away | 20 m² | 48 m² | +28 m² +140% | 2020 |
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| 1a, Inglis Road962 m away | 71 m² | 99 m² | +28 m² +39% | 2020 |
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| 18, Dalmally Road455 m away | 81 m² | 109 m² | +28 m² +35% | 2017 |
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| 43, Dalmally Road509 m away | 109 m² | 137 m² | +28 m² +26% | 2015 |
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| 88, Birchanger Road630 m away | 47 m² | 74 m² | +27 m² +57% | 2025 |
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| 10, Elmgrove Road641 m away | 102 m² | 129 m² | +27 m² +26% | 2025 |
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| 3, Dalmally Road509 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
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| 6, Oakley Road725 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 21, Sidney Road883 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 6, Inglis Road925 m away | 94 m² | 121 m² | +27 m² +29% | 2024 |
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| 103, Coniston Road593 m away | 74 m² | 101 m² | +27 m² +36% | 2019 |
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| 43, Ferndale Road701 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
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| 50, Parkview Road711 m away | 97 m² | 123 m² | +26 m² +27% | 2024 |
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| 389, Davidson Road983 m away | 84 m² | 110 m² | +26 m² +31% | 2023 |
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| 18, Sundridge Road865 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 42, Macclesfield Road712 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
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| 63, Elmers Road218 m away | 90 m² | 115 m² | +25 m² +28% | 2024 |
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| 15, Woodside Park346 m away | 95 m² | 120 m² | +25 m² +26% | 2024 |
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| 5a, Woodside Avenue390 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
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| 26, Blackhorse Lane447 m away | 106 m² | 131 m² | +25 m² +24% | 2021 |
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| 234, Portland Road432 m away | 44 m² | 69 m² | +25 m² +57% | 2020 |
|---|
| 51, Enmore Road684 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 45, Watcombe Road839 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| 15, Brampton Road968 m away | 84 m² | 109 m² | +25 m² +30% | 2017 |
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| 31, Westbourne Road707 m away | 90 m² | 115 m² | +25 m² +28% | 2014 |
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| Flat 1, 156, Portland Road802 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| 59, Exeter Road967 m away | 65 m² | 90 m² | +25 m² +38% | 2014 |
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| 589, Davidson Road753 m away | 88 m² | 112 m² | +24 m² +27% | 2025 |
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| 32, Dartnell Road907 m away | 58 m² | 82 m² | +24 m² +41% | 2025 |
|---|
| 40, Anthony Road280 m away | 62 m² | 86 m² | +24 m² +39% | 2023 |
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| 16, Coe Avenue302 m away | 37 m² | 61 m² | +24 m² +65% | 2021 |
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| 22, Keats Way796 m away | 84 m² | 108 m² | +24 m² +29% | 2019 |
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| 15, Compton Road948 m away | 103 m² | 127 m² | +24 m² +23% | 2019 |
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| 10, Sissinghurst Road345 m away | 79 m² | 103 m² | +24 m² +30% | 2018 |
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| 47, Alderton Road428 m away | 90 m² | 114 m² | +24 m² +27% | 2018 |
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| 26, Laurier Road832 m away | 78 m² | 102 m² | +24 m² +31% | 2015 |
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| 44, Shirley Road630 m away | 105 m² | 129 m² | +24 m² +23% | 2014 |
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| Flat 3, 30, Howard Road395 m away | 50 m² | 73 m² | +23 m² +46% | 2026 |
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| 84, Macclesfield Road759 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
|---|
| 620, Davidson Road747 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
|---|
| 64, Long Lane726 m away | 74 m² | 97 m² | +23 m² +31% | 2023 |
|---|
| 147, Portland Road971 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
|---|
| 41, Woodside Road109 m away | 131 m² | 154 m² | +23 m² +18% | 2019 |
|---|
| 31, Tenterden Road214 m away | 96 m² | 119 m² | +23 m² +24% | 2018 |
|---|
| 52, Compton Road986 m away | 108 m² | 131 m² | +23 m² +21% | 2012 |
|---|
| 22, Tenterden Road226 m away | 119 m² | 142 m² | +23 m² +19% | 2011 |
|---|
| Flat A, 63, Birchanger Road753 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
|---|
| 120, Long Lane726 m away | 90 m² | 112 m² | +22 m² +24% | 2025 |
|---|
| 563, Davidson Road753 m away | 87 m² | 109 m² | +22 m² +25% | 2024 |
|---|
| 159, Portland Road875 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
|---|
| 25, Westbourne Road707 m away | 72 m² | 94 m² | +22 m² +31% | 2022 |
|---|
| 32, Ritchie Road344 m away | 27 m² | 49 m² | +22 m² +81% | 2021 |
|---|
| 34, Sherwood Road653 m away | 98 m² | 120 m² | +22 m² +22% | 2021 |
|---|
| Flat 12, 143 - 145, Portland Road971 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
|---|
| 122, Dalmally Road608 m away | 92 m² | 114 m² | +22 m² +24% | 2019 |
|---|
| 21, Percy Road857 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
|---|
| 11, Blackhorse Lane449 m away | 82 m² | 104 m² | +22 m² +27% | 2009 |
|---|
| 54, Watson Place978 m away | 85 m² | 106 m² | +21 m² +25% | 2026 |
|---|
| 50, Coniston Road561 m away | 81 m² | 102 m² | +21 m² +26% | 2025 |
|---|
| 140, Dalmally Road764 m away | 96 m² | 117 m² | +21 m² +22% | 2023 |
|---|
| 26, Amberley Grove926 m away | 110 m² | 131 m² | +21 m² +19% | 2023 |
|---|
| 99b, Exeter Road967 m away | 42 m² | 63 m² | +21 m² +50% | 2023 |
|---|
| 20, Salisbury Road153 m away | 62 m² | 83 m² | +21 m² +34% | 2022 |
|---|
| 46, Manning Gardens545 m away | 19 m² | 40 m² | +21 m² +111% | 2022 |
|---|
| 88, Watcombe Road862 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
|---|
| 119, Estcourt Road587 m away | 80 m² | 101 m² | +21 m² +26% | 2019 |
|---|
| 14, Blackhorse Lane447 m away | 110 m² | 131 m² | +21 m² +19% | 2017 |
|---|
| 22, Glenthorne Avenue924 m away | 112 m² | 133 m² | +21 m² +19% | 2014 |
|---|
| 214, Lower Addiscombe Road718 m away | 106 m² | 126 m² | +20 m² +19% | 2025 |
|---|
| 40, Nicholson Road994 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 21, Dickensons Lane178 m away | 64 m² | 84 m² | +20 m² +31% | 2024 |
|---|
| 20, Ashling Road835 m away | 123 m² | 143 m² | +20 m² +16% | 2024 |
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