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 4JP
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 |
|---|---|---|---|---|
| 33, Sheringham Road834 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
| 71, Crowther Road560 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 22, Pittville Gardens935 m away | 123 m² | 189 m² | +66 m² +54% | 2024 |
| 29, Manor Road626 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
| 15, Warwick Road672 m away | 114 m² | 179 m² | +65 m² +57% | 2021 |
| 19, Lincoln Road468 m away | 56 m² | 118 m² | +62 m² +111% | 2023 |
| 8, St Dunstans Road919 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
| 206, Portland Road487 m away | 166 m² | 225 m² | +59 m² +36% | 2025 |
| 13, Birchanger Road665 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.
| 108 m² |
| 165 m² |
| +57 m² +53% |
| 2022 |
| 171, Harrington Road223 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
|---|
| 16, Southcote Road701 m away | 92 m² | 148 m² | +56 m² +61% | 2020 |
|---|
| 120, Portland Road302 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
|---|
| 48, Enmore Road619 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
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| 35, Carmichael Road662 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 25, Addison Road391 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
|---|
| 1, Watcombe Road241 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
|---|
| 56, Oakley Road366 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
|---|
| 18, Cobden Road592 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 5, Chart Close890 m away | 43 m² | 90 m² | +47 m² +109% | 2021 |
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| 58, Enmore Road619 m away | 31 m² | 77 m² | +46 m² +148% | 2021 |
|---|
| 31a, Southcote Road701 m away | 45 m² | 91 m² | +46 m² +102% | 2020 |
|---|
| 24, Cumberland Road732 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
|---|
| 29, Chartham Road470 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 1, Tudor Road675 m away | 92 m² | 137 m² | +45 m² +49% | 2020 |
|---|
| 29, Wheathill Road762 m away | 152 m² | 197 m² | +45 m² +30% | 2016 |
|---|
| 86, Watcombe Road217 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
|---|
| 27, Carmichael Road662 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 117, Estcourt Road755 m away | 86 m² | 130 m² | +44 m² +51% | 2023 |
|---|
| 3, Market Parade290 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
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| 67, Grasmere Road591 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
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| 65, Grasmere Road591 m away | 35 m² | 78 m² | +43 m² +123% | 2025 |
|---|
| 654, Davidson Road933 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
|---|
| 155, Tennison Road784 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
|---|
| 16, Waverley Road335 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
|---|
| 90, Birchanger Road734 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
|---|
| 57, Manor Road626 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 45, Hambrook Road496 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
|---|
| 30, Felmingham Road970 m away | 72 m² | 113 m² | +41 m² +57% | 2023 |
|---|
| 321, Portland Road651 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 3, Warwick Road672 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
|---|
| 118a, Crowther Road497 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| 107, Howard Road732 m away | 83 m² | 124 m² | +41 m² +49% | 2013 |
|---|
| 190, Portland Road487 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
|---|
| 182, Harrington Road305 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
|---|
| 27, Brooklyn Road278 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| Flat 1, 5, Cargreen Road817 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 54, Westgate Road52 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
|---|
| 53, Stembridge Road917 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
|---|
| 6, Southcote Road701 m away | 102 m² | 141 m² | +39 m² +38% | 2024 |
|---|
| 10, Estcourt Road891 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 11a, Balfour Road451 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
|---|
| 31, Doyle Road588 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 127, Birchanger Road784 m away | 34 m² | 73 m² | +39 m² +115% | 2011 |
|---|
| 3, Ferndale Road395 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
|---|
| 22, Ferndale Road424 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 77, Cobden Road631 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
|---|
| 23, Percy Road780 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
|---|
| 55, Denmark Road530 m away | 105 m² | 143 m² | +38 m² +36% | 2014 |
|---|
| 15, Camille Close651 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
|---|
| 23, Aylett Road125 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
|---|
| 14, Cargreen Road860 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
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| 25, Westgate Road113 m away | 44 m² | 80 m² | +36 m² +82% | 2025 |
|---|
| 135, Harrington Road223 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
|---|
| 15, Sandown Road269 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| Flat 3, 248, Portland Road659 m away | 31 m² | 67 m² | +36 m² +116% | 2025 |
|---|
| 70, Westgate Road52 m away | 87 m² | 123 m² | +36 m² +41% | 2012 |
|---|
| 17, John Street443 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
|---|
| 12, Estcourt Road891 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
|---|
| 46, Watcombe Road217 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 85, Dundee Road456 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
|---|
| 4, Cambridge Road718 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
|---|
| Flat 3, 22, Oliver Grove981 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
|---|
| 39, Sandown Road269 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
|---|
| 21, Warwick Road672 m away | 107 m² | 141 m² | +34 m² +32% | 2023 |
|---|
| 55, Brooklyn Road373 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
|---|
| 101, Cobden Road631 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
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| 87, Dundee Road456 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
|---|
| 93, Cobden Road631 m away | 95 m² | 128 m² | +33 m² +35% | 2026 |
|---|
| 88, Estcourt Road808 m away | 57 m² | 90 m² | +33 m² +58% | 2024 |
|---|
| 51, Harrington Road175 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 36, Camille Close651 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
|---|
| 28, Ferndale Road424 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
|---|
| 78, Cambridge Road718 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
|---|
| 143, Harrington Road223 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
|---|
| 41, Waverley Road355 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
|---|
| 6, Pembury Road364 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
|---|
| Flat 3, 13, South Norwood Hill919 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
|---|
| 64, Cambridge Road718 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
|---|
| 31, Oliver Grove981 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
|---|
| 31, Shinners Close478 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 58a, Crowther Road586 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
|---|
| 30, Stembridge Road884 m away | 85 m² | 117 m² | +32 m² +38% | 2013 |
|---|
| 49, Birchanger Road658 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
|---|
| 72, Watcombe Road217 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
|---|
| 51, Chartham Road470 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
|---|
| 33, Southcote Road701 m away | 87 m² | 118 m² | +31 m² +36% | 2019 |
|---|
| 281, Albert Road585 m away | 70 m² | 101 m² | +31 m² +44% | 2014 |
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| 20, Warwick Road653 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
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| 28, Woodside Avenue678 m away | 99 m² | 129 m² | +30 m² +30% | 2024 |
|---|
| 111, Howard Road732 m away | 56 m² | 86 m² | +30 m² +54% | 2024 |
|---|
| 84, Belmont Road554 m away | 80 m² | 110 m² | +30 m² +38% | 2023 |
|---|
| 58, Apsley Road128 m away | 71 m² | 101 m² | +30 m² +42% | 2022 |
|---|
| 27, Station Road780 m away | 44 m² | 74 m² | +30 m² +68% | 2012 |
|---|
| 4, Southcote Road701 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
|---|
| 35, Southcote Road701 m away | 99 m² | 128 m² | +29 m² +29% | 2023 |
|---|
| 12, Cromer Road549 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
|---|
| 65, Cambridge Road732 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
|---|
| 3, Seymour Place114 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
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| 50, Stembridge Road884 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
|---|
| 52, Watcombe Road217 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 18, Eldon Park355 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
|---|
| 88, Birchanger Road734 m away | 47 m² | 74 m² | +27 m² +57% | 2025 |
|---|
| 6, Oakley Road366 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
|---|
| 21, Sidney Road737 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
|---|
| 54, Apsley Road128 m away | 100 m² | 127 m² | +27 m² +27% | 2021 |
|---|
| 43, Ferndale Road395 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
|---|
| 56, Selby Road979 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
|---|
| 24, Chartham Road426 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 33, Lancaster Road887 m away | 79 m² | 105 m² | +26 m² +33% | 2009 |
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| 31, Chartham Road470 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
|---|
| 42, Macclesfield Road702 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
|---|
| 15, Woodside Park748 m away | 95 m² | 120 m² | +25 m² +26% | 2024 |
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| 119 - 121, Portland Road449 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
|---|
| 5a, Woodside Avenue690 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
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| 45, Watcombe Road241 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| 51, Enmore Road619 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 234, Portland Road659 m away | 44 m² | 69 m² | +25 m² +57% | 2020 |
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| Flat 1, 156, Portland Road325 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| Flat 1, 45, Lincoln Road468 m away | 28 m² | 52 m² | +24 m² +86% | 2024 |
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| 87d, Albert Road397 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 114, Marlow Road844 m away | 99 m² | 123 m² | +24 m² +24% | 2020 |
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| 66, Cambridge Road718 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
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| 84, Macclesfield Road589 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
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| Flat 3, 30, Howard Road732 m away | 50 m² | 73 m² | +23 m² +46% | 2026 |
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| 620, Davidson Road933 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
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| 147, Portland Road267 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Clifford Road652 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 7c, Eldon Park355 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 8, Lincoln Road493 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| Flat A, 63, Birchanger Road658 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
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| 159, Portland Road262 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
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| 8c, Eldon Park355 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 35, Sheringham Road834 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
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| Flat 12, 143 - 145, Portland Road267 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
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| 21, Percy Road780 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
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| Flat 46, Wheathill House, Croydon Road926 m away | 66 m² | 88 m² | +22 m² +33% | 2012 |
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| 51, Selby Road979 m away | 99 m² | 120 m² | +21 m² +21% | 2023 |
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| 55, Apsley Road128 m away | 65 m² | 86 m² | +21 m² +32% | 2022 |
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| 88, Watcombe Road217 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
|---|
| 38, Camille Close651 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
|---|
| 26, Felmingham Road970 m away | 75 m² | 96 m² | +21 m² +28% | 2021 |
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| 119, Estcourt Road755 m away | 80 m² | 101 m² | +21 m² +26% | 2019 |
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| 45, Percy Road780 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
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| 52, Grasmere Road623 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
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| 11a, Seymour Place114 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
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| 156, Albert Road108 m away | 64 m² | 84 m² | +20 m² +31% | 2016 |
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| 110, Birchanger Road734 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
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| 18, Cresswell Road264 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
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| 60, Longheath Gardens816 m away | 71 m² | 91 m² | +20 m² +28% | 2014 |
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| 26, Lonsdale Road317 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
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| 39, Cambridge Road732 m away | 93 m² | 113 m² | +20 m² +22% | 2012 |
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| 14, Holland Road370 m away | 44 m² | 64 m² | +20 m² +45% | 2009 |
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| 34, Westgate Road52 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
|---|
| 22, Lonsdale Road317 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
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| 18, Adair Close590 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
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| 78, Grasmere Road591 m away | 68 m² | 87 m² | +19 m² +28% | 2022 |
|---|
| 38, Estcourt Road891 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
|---|
| 1, Cumberland Road732 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
|---|
| 57, Penge Road811 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
|---|
| 83, Cobden Road631 m away | 101 m² | 120 m² | +19 m² +19% | 2014 |
|---|
| Flat 7, Alder Court, 30, Portland Road603 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
|---|
| Flat 1, 28, South Norwood Hill944 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
|---|
| 76a, High Street784 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
|---|
| 52, Longheath Gardens816 m away | 88 m² | 106 m² | +18 m² +20% | 2023 |
|---|
| 26a, Felmingham Road970 m away | 47 m² | 65 m² | +18 m² +38% | 2023 |
|---|
| 14, Lawrence Road900 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
|---|
| 25, Longhurst Road962 m away | 87 m² | 105 m² | +18 m² +21% | 2017 |
|---|
| 2, Aylett Road125 m away | 74 m² | 92 m² | +18 m² +24% | 2013 |
|---|
| 21, Apsley Road128 m away | 101 m² | 119 m² | +18 m² +18% | 2010 |
|---|
| 12, Woodside Avenue678 m away | 82 m² | 99 m² | +17 m² +21% | 2025 |
|---|
| 76, Cobden Road592 m away | 57 m² | 74 m² | +17 m² +30% | 2024 |
|---|
| 31, Clifford Road652 m away | 65 m² | 82 m² | +17 m² +26% | 2024 |
|---|
| 9, Denmark Road392 m away | 70 m² | 87 m² | +17 m² +24% | 2023 |
|---|
| 10, Birchanger Road699 m away | 37 m² | 54 m² | +17 m² +46% | 2022 |
|---|
| 2, Pittville Gardens935 m away | 92 m² | 109 m² | +17 m² +18% | 2022 |
|---|
| Flat C, 7, Chalfont Road986 m away | 32 m² | 49 m² | +17 m² +53% | 2022 |
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| 66, Cobden Road592 m away | 82 m² | 99 m² | +17 m² +21% | 2020 |
|---|
| Flat 2, 150, Birchanger Road836 m away | 36 m² | 53 m² | +17 m² +47% | 2020 |
|---|
| 158, Tennison Road769 m away | 90 m² | 107 m² | +17 m² +19% | 2019 |
|---|
| 56, Cambridge Road718 m away | 90 m² | 107 m² | +17 m² +19% | 2018 |
|---|
| 30a, High Street784 m away | 74 m² | 91 m² | +17 m² +23% | 2016 |
|---|
| 47a, Marlow Road921 m away | 72 m² | 89 m² | +17 m² +24% | 2015 |
|---|
| Flat 1, Eldon Court, Eldon Park326 m away | 57 m² | 74 m² | +17 m² +30% | 2014 |
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| Flat 1, 30a, Station Road772 m away | 38 m² | 55 m² | +17 m² +45% | 2011 |
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| 111, Estcourt Road755 m away | 85 m² | 101 m² | +16 m² +19% | 2026 |
|---|
| 4, Knole Close974 m away | 77 m² | 93 m² | +16 m² +21% | 2026 |
|---|
| 61, Longheath Gardens816 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
|---|
| 9a, Chalfont Road986 m away | 41 m² | 57 m² | +16 m² +39% | 2025 |
|---|
| 51, Hambrook Road496 m away | 68 m² | 84 m² | +16 m² +24% | 2024 |
|---|
| Regal House, 28a, Kings Road702 m away | 49 m² | 65 m² | +16 m² +33% | 2023 |
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