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 4QP
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 |
|---|---|---|---|---|
| 7, Chaffinch Avenue987 m away | 83 m² | 195 m² | +112 m² +135% | 2014 |
| 71, Crowther Road554 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 29, Manor Road960 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
| 19, Lincoln Road880 m away | 56 m² | 118 m² | +62 m² +111% | 2023 |
| 206, Portland Road165 m away | 166 m² | 225 m² | +59 m² +36% | 2025 |
| 13, Birchanger Road641 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
| 171, Harrington Road641 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
| 16, Southcote Road289 m away | 92 m² | 148 m² | +56 m² +61% | 2020 |
| 27, Coleridge Road906 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 |
| 147 m² |
| +55 m² +60% |
| 2021 |
| 120, Portland Road355 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
|---|
| 48, Enmore Road478 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
|---|
| 35, Carmichael Road750 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 25, Addison Road655 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
|---|
| 1, Watcombe Road194 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
|---|
| 2a, Bywood Avenue902 m away | 81 m² | 129 m² | +48 m² +59% | 2011 |
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| 56, Oakley Road61 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
|---|
| 18, Cobden Road284 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 5, Chart Close524 m away | 43 m² | 90 m² | +47 m² +109% | 2021 |
|---|
| 31a, Southcote Road289 m away | 45 m² | 91 m² | +46 m² +102% | 2020 |
|---|
| 33, Mardell Road946 m away | 71 m² | 117 m² | +46 m² +65% | 2019 |
|---|
| 24, Cumberland Road314 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
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| 29, Chartham Road894 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 1, Tudor Road284 m away | 92 m² | 137 m² | +45 m² +49% | 2020 |
|---|
| 86, Watcombe Road221 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
|---|
| 27, Carmichael Road750 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 117, Estcourt Road372 m away | 86 m² | 130 m² | +44 m² +51% | 2023 |
|---|
| 3, Market Parade391 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
|---|
| 67, Grasmere Road189 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
|---|
| 65, Grasmere Road189 m away | 35 m² | 78 m² | +43 m² +123% | 2025 |
|---|
| 14, Keats Way809 m away | 90 m² | 133 m² | +43 m² +48% | 2025 |
|---|
| 654, Davidson Road788 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
|---|
| 155, Tennison Road678 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
|---|
| 16, Waverley Road755 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
|---|
| 14, Woodside Green781 m away | 61 m² | 103 m² | +42 m² +69% | 2021 |
|---|
| 90, Birchanger Road554 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
|---|
| 57, Manor Road960 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 45, Hambrook Road920 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
|---|
| 321, Portland Road231 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 146, Coleridge Road907 m away | 102 m² | 143 m² | +41 m² +40% | 2022 |
|---|
| 97, Meadvale Road990 m away | 83 m² | 124 m² | +41 m² +49% | 2021 |
|---|
| 118a, Crowther Road479 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| 107, Howard Road398 m away | 83 m² | 124 m² | +41 m² +49% | 2013 |
|---|
| 190, Portland Road165 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
|---|
| 46, Stroud Green Way788 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 182, Harrington Road678 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
|---|
| 27, Brooklyn Road701 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| Flat 1, 5, Cargreen Road919 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 54, Westgate Road442 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
|---|
| 6, Southcote Road289 m away | 102 m² | 141 m² | +39 m² +38% | 2024 |
|---|
| 10, Estcourt Road469 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 76, Woodside Road621 m away | 92 m² | 131 m² | +39 m² +42% | 2024 |
|---|
| 58, Enmore Road478 m away | 38 m² | 77 m² | +39 m² +103% | 2021 |
|---|
| 11a, Balfour Road605 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
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| 31, Doyle Road788 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 127, Birchanger Road508 m away | 34 m² | 73 m² | +39 m² +115% | 2011 |
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| 22, Ferndale Road0 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 3, Ferndale Road30 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
|---|
| 77, Cobden Road322 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
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| 23, Percy Road722 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
|---|
| 5, Manning Gardens991 m away | 96 m² | 134 m² | +38 m² +40% | 2020 |
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| 55, Denmark Road204 m away | 105 m² | 143 m² | +38 m² +36% | 2014 |
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| 19, Woodside Road641 m away | 140 m² | 178 m² | +38 m² +27% | 2014 |
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| 23, Aylett Road303 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
|---|
| 102, Coleridge Road907 m away | 103 m² | 140 m² | +37 m² +36% | 2021 |
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| 14, Cargreen Road956 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
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| 15, Sandown Road161 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
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| Flat 3, 248, Portland Road245 m away | 31 m² | 67 m² | +36 m² +116% | 2025 |
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| 25, Westgate Road517 m away | 44 m² | 80 m² | +36 m² +82% | 2025 |
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| 135, Harrington Road641 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
|---|
| 70, Westgate Road442 m away | 87 m² | 123 m² | +36 m² +41% | 2012 |
|---|
| 17, John Street735 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
|---|
| 3, Bywood Avenue988 m away | 64 m² | 99 m² | +35 m² +55% | 2026 |
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| 12, Estcourt Road469 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
|---|
| 46, Watcombe Road221 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 85, Dundee Road37 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
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| 39, Sandown Road161 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
|---|
| 581, Davidson Road893 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
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| 55, Brooklyn Road784 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
|---|
| 101, Cobden Road322 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
|---|
| 87, Dundee Road37 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
|---|
| 93, Cobden Road322 m away | 95 m² | 128 m² | +33 m² +35% | 2026 |
|---|
| 88, Estcourt Road401 m away | 57 m² | 90 m² | +33 m² +58% | 2024 |
|---|
| 51, Harrington Road533 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 28, Ferndale Road0 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
|---|
| 143, Harrington Road641 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
|---|
| 406, Lower Addiscombe Road953 m away | 135 m² | 168 m² | +33 m² +24% | 2014 |
|---|
| 6, Pembury Road615 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
|---|
| 41, Waverley Road778 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
|---|
| 31, Shinners Close526 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 58a, Crowther Road648 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
|---|
| 49, Birchanger Road561 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
|---|
| 72, Watcombe Road221 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
|---|
| 51, Chartham Road894 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
|---|
| 33, Southcote Road289 m away | 87 m² | 118 m² | +31 m² +36% | 2019 |
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| 281, Albert Road248 m away | 70 m² | 101 m² | +31 m² +44% | 2014 |
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| 28, Woodside Avenue297 m away | 99 m² | 129 m² | +30 m² +30% | 2024 |
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| 111, Howard Road398 m away | 56 m² | 86 m² | +30 m² +54% | 2024 |
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| 84, Belmont Road141 m away | 80 m² | 110 m² | +30 m² +38% | 2023 |
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| 58, Apsley Road439 m away | 71 m² | 101 m² | +30 m² +42% | 2022 |
|---|
| 4, Southcote Road289 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 35, Southcote Road289 m away | 99 m² | 128 m² | +29 m² +29% | 2023 |
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| 12, Cromer Road971 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
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| 57, Malcolm Road870 m away | 91 m² | 120 m² | +29 m² +32% | 2018 |
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| 3, Seymour Place371 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
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| 26, Mardell Road927 m away | 70 m² | 98 m² | +28 m² +40% | 2026 |
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| 52, Watcombe Road221 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 38, Davies Close966 m away | 20 m² | 48 m² | +28 m² +140% | 2020 |
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| 18, Eldon Park750 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
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| 88, Birchanger Road554 m away | 47 m² | 74 m² | +27 m² +57% | 2025 |
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| 6, Oakley Road61 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
|---|
| 21, Sidney Road703 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 54, Apsley Road439 m away | 100 m² | 127 m² | +27 m² +27% | 2021 |
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| 43, Ferndale Road30 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
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| 24, Chartham Road850 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 31, Chartham Road894 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
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| 42, Macclesfield Road373 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
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| 15, Woodside Park381 m away | 95 m² | 120 m² | +25 m² +26% | 2024 |
|---|
| 63, Elmers Road889 m away | 90 m² | 115 m² | +25 m² +28% | 2024 |
|---|
| 5a, Woodside Avenue297 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
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| 45, Watcombe Road194 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| 51, Enmore Road478 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| Flat 1, 156, Portland Road278 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| 26, Station Road926 m away | 35 m² | 60 m² | +25 m² +71% | 2010 |
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| 589, Davidson Road893 m away | 88 m² | 112 m² | +24 m² +27% | 2025 |
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| Flat 1, 45, Lincoln Road880 m away | 28 m² | 52 m² | +24 m² +86% | 2024 |
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| 40, Anthony Road812 m away | 62 m² | 86 m² | +24 m² +39% | 2023 |
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| 32, Bywood Avenue902 m away | 80 m² | 104 m² | +24 m² +30% | 2023 |
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| 16, Coe Avenue714 m away | 37 m² | 61 m² | +24 m² +65% | 2021 |
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| 87d, Albert Road736 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 22, Keats Way809 m away | 84 m² | 108 m² | +24 m² +29% | 2019 |
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| 84, Macclesfield Road295 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
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| Flat 3, 30, Howard Road398 m away | 50 m² | 73 m² | +23 m² +46% | 2026 |
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| 620, Davidson Road788 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
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| 64, Long Lane666 m away | 74 m² | 97 m² | +23 m² +31% | 2023 |
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| 147, Portland Road433 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Clifford Road838 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 41, Woodside Road641 m away | 131 m² | 154 m² | +23 m² +18% | 2019 |
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| 7c, Eldon Park750 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 31, Tenterden Road889 m away | 96 m² | 119 m² | +23 m² +24% | 2018 |
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| 8, Lincoln Road910 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| 22, Tenterden Road896 m away | 119 m² | 142 m² | +23 m² +19% | 2011 |
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| Flat A, 63, Birchanger Road561 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
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| 120, Long Lane666 m away | 90 m² | 112 m² | +22 m² +24% | 2025 |
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| 563, Davidson Road893 m away | 87 m² | 109 m² | +22 m² +25% | 2024 |
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| 8c, Eldon Park750 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 32, Ritchie Road622 m away | 27 m² | 49 m² | +22 m² +81% | 2021 |
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| Flat 12, 143 - 145, Portland Road433 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
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| 21, Percy Road722 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
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| 45, Mardell Road946 m away | 47 m² | 69 m² | +22 m² +47% | 2015 |
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| 30, Bywood Avenue902 m away | 89 m² | 110 m² | +21 m² +24% | 2024 |
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| 55, Apsley Road439 m away | 65 m² | 86 m² | +21 m² +32% | 2022 |
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| 20, Salisbury Road813 m away | 62 m² | 83 m² | +21 m² +34% | 2022 |
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| 88, Watcombe Road221 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
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| 119, Estcourt Road372 m away | 80 m² | 101 m² | +21 m² +26% | 2019 |
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| 21, Dickensons Lane685 m away | 64 m² | 84 m² | +20 m² +31% | 2024 |
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| 45, Percy Road722 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
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| 52, Grasmere Road200 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
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| 149, Beckford Road960 m away | 89 m² | 109 m² | +20 m² +22% | 2022 |
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| 11a, Seymour Place371 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
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| 156, Albert Road320 m away | 64 m² | 84 m² | +20 m² +31% | 2016 |
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| 110, Birchanger Road554 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
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| 18, Cresswell Road591 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
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| 60, Longheath Gardens612 m away | 71 m² | 91 m² | +20 m² +28% | 2014 |
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| 26, Lonsdale Road731 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
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| 37, Stroud Road757 m away | 36 m² | 56 m² | +20 m² +56% | 2011 |
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| 34, Westgate Road442 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| 22, Lonsdale Road731 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
|---|
| 573, Davidson Road893 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
|---|
| 78, Grasmere Road189 m away | 68 m² | 87 m² | +19 m² +28% | 2022 |
|---|
| 38, Estcourt Road469 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
|---|
| 1, Cumberland Road314 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
|---|
| 83, Cobden Road322 m away | 101 m² | 120 m² | +19 m² +19% | 2014 |
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| Flat 7, Alder Court, 30, Portland Road836 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
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| 22, Lincoln Close676 m away | 52 m² | 71 m² | +19 m² +37% | 2009 |
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| 52, Longheath Gardens612 m away | 88 m² | 106 m² | +18 m² +20% | 2023 |
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| 17, Hardcastle Close853 m away | 39 m² | 57 m² | +18 m² +46% | 2020 |
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| 25, Longhurst Road542 m away | 87 m² | 105 m² | +18 m² +21% | 2017 |
|---|
| 2, Aylett Road303 m away | 74 m² | 92 m² | +18 m² +24% | 2013 |
|---|
| 21, Apsley Road439 m away | 101 m² | 119 m² | +18 m² +18% | 2010 |
|---|
| 12, Woodside Avenue297 m away | 82 m² | 99 m² | +17 m² +21% | 2025 |
|---|
| 6, The Rosery958 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
|---|
| 76, Cobden Road284 m away | 57 m² | 74 m² | +17 m² +30% | 2024 |
|---|
| 31, Clifford Road838 m away | 65 m² | 82 m² | +17 m² +26% | 2024 |
|---|
| 9, Denmark Road319 m away | 70 m² | 87 m² | +17 m² +24% | 2023 |
|---|
| 10, Fire Station Cottages, Long Lane762 m away | 60 m² | 77 m² | +17 m² +28% | 2023 |
|---|
| 410, Lower Addiscombe Road953 m away | 106 m² | 123 m² | +17 m² +16% | 2023 |
|---|
| 10, Birchanger Road681 m away | 37 m² | 54 m² | +17 m² +46% | 2022 |
|---|
| 66, Cobden Road284 m away | 82 m² | 99 m² | +17 m² +21% | 2020 |
|---|
| Flat 2, 150, Birchanger Road552 m away | 36 m² | 53 m² | +17 m² +47% | 2020 |
|---|
| 158, Tennison Road649 m away | 90 m² | 107 m² | +17 m² +19% | 2019 |
|---|
| 31, Anthony Road784 m away | 73 m² | 90 m² | +17 m² +23% | 2018 |
|---|
| Flat 1, Eldon Court, Eldon Park702 m away | 57 m² | 74 m² | +17 m² +30% | 2014 |
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| Flat 1, 30a, Station Road926 m away | 38 m² | 55 m² | +17 m² +45% | 2011 |
|---|
| 111, Estcourt Road372 m away | 85 m² | 101 m² | +16 m² +19% | 2026 |
|---|
| 4, Knole Close608 m away | 77 m² | 93 m² | +16 m² +21% | 2026 |
|---|
| 61, Longheath Gardens612 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
|---|
| 37, Anthony Road784 m away | 44 m² | 60 m² | +16 m² +36% | 2024 |
|---|
| 51, Hambrook Road920 m away | 68 m² | 84 m² | +16 m² +24% | 2024 |
|---|
| 58, Stroud Green Way755 m away | 83 m² | 99 m² | +16 m² +19% | 2023 |
|---|
| 14, Watcombe Road221 m away | 37 m² | 53 m² | +16 m² +43% | 2020 |
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