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 5QU
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 |
|---|---|---|---|---|
| 15, Tennison Road763 m away | 121 m² | 201 m² | +80 m² +66% | 2021 |
| 71, Crowther Road241 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 29, Manor Road712 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
| 19, Lincoln Road726 m away | 56 m² | 118 m² | +62 m² +111% | 2023 |
| 8, St Dunstans Road823 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
| 206, Portland Road222 m away | 166 m² | 225 m² | +59 m² +36% | 2025 |
| 13, Birchanger Road337 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
| 171, Harrington Road596 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
| 16, Southcote Road572 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.
| 92 m² |
| 148 m² |
| +56 m² +61% |
| 2020 |
| 41, Alderton Road996 m away | 63 m² | 118 m² | +55 m² +87% | 2014 |
|---|
| 120, Portland Road107 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
|---|
| 48, Enmore Road231 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
|---|
| 35, Carmichael Road431 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 529, Davidson Road875 m away | 85 m² | 137 m² | +52 m² +61% | 2022 |
|---|
| 46, Tennison Road822 m away | 62 m² | 113 m² | +51 m² +82% | 2022 |
|---|
| 25, Addison Road399 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
|---|
| 1, Watcombe Road237 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
|---|
| 56, Oakley Road279 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
|---|
| 18, Cobden Road257 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 5, Chart Close830 m away | 43 m² | 90 m² | +47 m² +109% | 2021 |
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| 58, Enmore Road231 m away | 31 m² | 77 m² | +46 m² +148% | 2021 |
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| 31a, Southcote Road572 m away | 45 m² | 91 m² | +46 m² +102% | 2020 |
|---|
| 24, Cumberland Road579 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
|---|
| 29, Chartham Road792 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 1, Tudor Road588 m away | 92 m² | 137 m² | +45 m² +49% | 2020 |
|---|
| 86, Watcombe Road234 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
|---|
| 27, Carmichael Road431 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 117, Estcourt Road674 m away | 86 m² | 130 m² | +44 m² +51% | 2023 |
|---|
| 3, Market Parade144 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
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| 67, Grasmere Road494 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
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| 65, Grasmere Road494 m away | 35 m² | 78 m² | +43 m² +123% | 2025 |
|---|
| 654, Davidson Road555 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
|---|
| 155, Tennison Road415 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
|---|
| 16, Waverley Road693 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
|---|
| 14, Woodside Green817 m away | 61 m² | 103 m² | +42 m² +69% | 2021 |
|---|
| 90, Birchanger Road343 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
|---|
| 57, Manor Road712 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 45, Hambrook Road812 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
|---|
| 321, Portland Road441 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 97, Meadvale Road937 m away | 83 m² | 124 m² | +41 m² +49% | 2021 |
|---|
| 118a, Crowther Road163 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
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| 107, Howard Road385 m away | 83 m² | 124 m² | +41 m² +49% | 2013 |
|---|
| 190, Portland Road222 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
|---|
| 182, Harrington Road697 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
|---|
| 27, Brooklyn Road633 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| Flat 1, 5, Cargreen Road601 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 54, Westgate Road439 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
|---|
| 6, Southcote Road572 m away | 102 m² | 141 m² | +39 m² +38% | 2024 |
|---|
| 10, Estcourt Road705 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 76, Woodside Road757 m away | 92 m² | 131 m² | +39 m² +42% | 2024 |
|---|
| 11a, Balfour Road304 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
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| 31, Doyle Road487 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 127, Birchanger Road403 m away | 34 m² | 73 m² | +39 m² +115% | 2011 |
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| 3, Ferndale Road300 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
|---|
| 22, Ferndale Road319 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 77, Cobden Road287 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
|---|
| 23, Percy Road435 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
|---|
| 55, Denmark Road237 m away | 105 m² | 143 m² | +38 m² +36% | 2014 |
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| 19, Woodside Road782 m away | 140 m² | 178 m² | +38 m² +27% | 2014 |
|---|
| 15, Camille Close891 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
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| 23, Aylett Road296 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
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| 14, Cargreen Road638 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
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| 15, Sandown Road246 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
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| Flat 3, 248, Portland Road428 m away | 31 m² | 67 m² | +36 m² +116% | 2025 |
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| 25, Westgate Road505 m away | 44 m² | 80 m² | +36 m² +82% | 2025 |
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| 135, Harrington Road596 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
|---|
| 70, Westgate Road439 m away | 87 m² | 123 m² | +36 m² +41% | 2012 |
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| 17, John Street481 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
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| 12, Estcourt Road705 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
|---|
| 46, Watcombe Road234 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 85, Dundee Road351 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
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| 436, Davidson Road964 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
|---|
| 4, Cambridge Road987 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
|---|
| Flat 3, 22, Oliver Grove863 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
|---|
| 39, Sandown Road246 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
|---|
| 581, Davidson Road680 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
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| 55, Brooklyn Road746 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
|---|
| 101, Cobden Road287 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
|---|
| 87, Dundee Road351 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
|---|
| 93, Cobden Road287 m away | 95 m² | 128 m² | +33 m² +35% | 2026 |
|---|
| 488, Davidson Road964 m away | 91 m² | 124 m² | +33 m² +36% | 2026 |
|---|
| 88, Estcourt Road679 m away | 57 m² | 90 m² | +33 m² +58% | 2024 |
|---|
| 51, Harrington Road382 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 36, Camille Close891 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
|---|
| 28, Ferndale Road319 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
|---|
| 78, Cambridge Road987 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
|---|
| 143, Harrington Road596 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
|---|
| 6, Pembury Road359 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
|---|
| 41, Waverley Road706 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
|---|
| Flat 3, 13, South Norwood Hill871 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
|---|
| 64, Cambridge Road987 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
|---|
| 31, Oliver Grove863 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
|---|
| 31, Shinners Close208 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 58a, Crowther Road329 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
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| 49, Birchanger Road286 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
|---|
| 72, Watcombe Road234 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
|---|
| 51, Chartham Road792 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
|---|
| 33, Southcote Road572 m away | 87 m² | 118 m² | +31 m² +36% | 2019 |
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| 281, Albert Road567 m away | 70 m² | 101 m² | +31 m² +44% | 2014 |
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| 111, Howard Road385 m away | 56 m² | 86 m² | +30 m² +54% | 2024 |
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| 28, Woodside Avenue386 m away | 99 m² | 129 m² | +30 m² +30% | 2024 |
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| 84, Belmont Road441 m away | 80 m² | 110 m² | +30 m² +38% | 2023 |
|---|
| 58, Apsley Road310 m away | 71 m² | 101 m² | +30 m² +42% | 2022 |
|---|
| 13, Beckford Road983 m away | 88 m² | 118 m² | +30 m² +34% | 2019 |
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| 27, Station Road640 m away | 44 m² | 74 m² | +30 m² +68% | 2012 |
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| 4, Southcote Road572 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 35, Southcote Road572 m away | 99 m² | 128 m² | +29 m² +29% | 2023 |
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| 12, Cromer Road843 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
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| 57, Malcolm Road834 m away | 91 m² | 120 m² | +29 m² +32% | 2018 |
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| 3, Seymour Place280 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
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| 81, Tennison Road763 m away | 103 m² | 131 m² | +28 m² +27% | 2025 |
|---|
| 52, Watcombe Road234 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 38, Davies Close889 m away | 20 m² | 48 m² | +28 m² +140% | 2020 |
|---|
| 18, Eldon Park585 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
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| 88, Birchanger Road343 m away | 47 m² | 74 m² | +27 m² +57% | 2025 |
|---|
| 6, Oakley Road279 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 21, Sidney Road405 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 54, Apsley Road310 m away | 100 m² | 127 m² | +27 m² +27% | 2021 |
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| 43, Ferndale Road300 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
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| 24, Chartham Road747 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 33, Lancaster Road956 m away | 79 m² | 105 m² | +26 m² +33% | 2009 |
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| 31, Chartham Road792 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
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| 42, Macclesfield Road691 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
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| 15, Woodside Park427 m away | 95 m² | 120 m² | +25 m² +26% | 2024 |
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| 63, Elmers Road952 m away | 90 m² | 115 m² | +25 m² +28% | 2024 |
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| Flat 2, 1, Burgoyne Road979 m away | 17 m² | 42 m² | +25 m² +147% | 2024 |
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| 119 - 121, Portland Road397 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
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| 5a, Woodside Avenue411 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
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| 51, Enmore Road231 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 45, Watcombe Road237 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| 234, Portland Road428 m away | 44 m² | 69 m² | +25 m² +57% | 2020 |
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| Flat 1, 156, Portland Road73 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| 31, Westbourne Road993 m away | 90 m² | 115 m² | +25 m² +28% | 2014 |
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| 589, Davidson Road680 m away | 88 m² | 112 m² | +24 m² +27% | 2025 |
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| Flat 1, 45, Lincoln Road726 m away | 28 m² | 52 m² | +24 m² +86% | 2024 |
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| 40, Anthony Road798 m away | 62 m² | 86 m² | +24 m² +39% | 2023 |
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| 87d, Albert Road516 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 16, Coe Avenue677 m away | 37 m² | 61 m² | +24 m² +65% | 2021 |
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| 23, Wynton Gardens960 m away | 90 m² | 114 m² | +24 m² +27% | 2021 |
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| 47, Alderton Road996 m away | 90 m² | 114 m² | +24 m² +27% | 2018 |
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| 7, Dinsdale Gardens983 m away | 83 m² | 107 m² | +24 m² +29% | 2015 |
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| 66, Cambridge Road987 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
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| Flat 3, 30, Howard Road385 m away | 50 m² | 73 m² | +23 m² +46% | 2026 |
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| 84, Macclesfield Road612 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
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| 620, Davidson Road555 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
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| 64, Long Lane972 m away | 74 m² | 97 m² | +23 m² +31% | 2023 |
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| 147, Portland Road200 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Clifford Road530 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 7c, Eldon Park585 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 41, Woodside Road782 m away | 131 m² | 154 m² | +23 m² +18% | 2019 |
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| 31, Tenterden Road980 m away | 96 m² | 119 m² | +23 m² +24% | 2018 |
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| 8, Lincoln Road766 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| Flat 5, Applewood House, 17, Whitworth Road932 m away | 39 m² | 62 m² | +23 m² +59% | 2016 |
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| 22, Tenterden Road997 m away | 119 m² | 142 m² | +23 m² +19% | 2011 |
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| Flat A, 63, Birchanger Road286 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
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| 120, Long Lane972 m away | 90 m² | 112 m² | +22 m² +24% | 2025 |
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| 159, Portland Road131 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
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| 563, Davidson Road680 m away | 87 m² | 109 m² | +22 m² +25% | 2024 |
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| 8c, Eldon Park585 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 25, Westbourne Road993 m away | 72 m² | 94 m² | +22 m² +31% | 2022 |
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| 32, Ritchie Road848 m away | 27 m² | 49 m² | +22 m² +81% | 2021 |
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| Flat 12, 143 - 145, Portland Road200 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
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| 3, Wynton Gardens960 m away | 100 m² | 122 m² | +22 m² +22% | 2019 |
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| 21, Percy Road435 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
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| 54, Watson Place755 m away | 85 m² | 106 m² | +21 m² +25% | 2026 |
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| 55, Apsley Road310 m away | 65 m² | 86 m² | +21 m² +32% | 2022 |
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| 20, Salisbury Road872 m away | 62 m² | 83 m² | +21 m² +34% | 2022 |
|---|
| 88, Watcombe Road234 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
|---|
| 38, Camille Close891 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
|---|
| 119, Estcourt Road674 m away | 80 m² | 101 m² | +21 m² +26% | 2019 |
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| 45, Percy Road435 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
|---|
| 21, Dickensons Lane703 m away | 64 m² | 84 m² | +20 m² +31% | 2024 |
|---|
| 52, Grasmere Road467 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
|---|
| 42, Alderton Road979 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
|---|
| 149, Beckford Road816 m away | 89 m² | 109 m² | +20 m² +22% | 2022 |
|---|
| 11a, Seymour Place280 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
|---|
| 110, Birchanger Road343 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
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| 156, Albert Road348 m away | 64 m² | 84 m² | +20 m² +31% | 2016 |
|---|
| 18, Cresswell Road394 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
|---|
| 60, Longheath Gardens923 m away | 71 m² | 91 m² | +20 m² +28% | 2014 |
|---|
| 26, Lonsdale Road599 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
|---|
| 14, Holland Road83 m away | 44 m² | 64 m² | +20 m² +45% | 2009 |
|---|
| 34, Westgate Road439 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
|---|
| Flat 4, 10, Whitworth Road932 m away | 43 m² | 62 m² | +19 m² +44% | 2026 |
|---|
| 22, Lonsdale Road599 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
|---|
| 18, Adair Close857 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
|---|
| 573, Davidson Road680 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
|---|
| 78, Grasmere Road494 m away | 68 m² | 87 m² | +19 m² +28% | 2022 |
|---|
| 38, Estcourt Road705 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
|---|
| 1, Cumberland Road579 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
|---|
| 57, Penge Road999 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
|---|
| 6b, Tennison Road927 m away | 91 m² | 110 m² | +19 m² +21% | 2015 |
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| 83, Cobden Road287 m away | 101 m² | 120 m² | +19 m² +19% | 2014 |
|---|
| Flat 7, Alder Court, 30, Portland Road543 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
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| 22, Lincoln Close773 m away | 52 m² | 71 m² | +19 m² +37% | 2009 |
|---|
| Flat 1, 28, South Norwood Hill919 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 76a, High Street716 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
|---|
| 52, Longheath Gardens923 m away | 88 m² | 106 m² | +18 m² +20% | 2023 |
|---|
| 17, Hardcastle Close741 m away | 39 m² | 57 m² | +18 m² +46% | 2020 |
|---|
| 14, Lawrence Road697 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
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