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 SE26 6DF
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 |
|---|---|---|---|---|
| 32, Crystal Palace Park Road287 m away | 139 m² | 300 m² | +161 m² +116% | 2019 |
| 25, Longton Avenue515 m away | 149 m² | 284 m² | +135 m² +91% | 2022 |
| 88, Venner Road587 m away | 340 m² | 448 m² | +108 m² +32% | 2017 |
| 68, Crystal Palace Park Road87 m away | 148 m² | 246 m² | +98 m² +66% | 2020 |
| 29, Wiverton Road751 m away | 110 m² | 197 m² | +87 m² +79% | 2024 |
| 41, Carlton Terrace851 m away | 128 m² | 208 m² | +80 m² +63% | 2019 |
| 26, Panmure Road993 m away | 71 m² | 146 m² | +75 m² +106% | 2017 |
| 30, Tannsfeld Road869 m away | 106 m² | 180 m² | +74 m² +70% | 2026 |
| 59, Anerley Park797 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.
| 140 m² |
| 211 m² |
| +71 m² +51% |
| 2024 |
| 71, Longton Avenue787 m away | 78 m² | 148 m² | +70 m² +90% | 2023 |
|---|
| 50, Peak Hill756 m away | 69 m² | 139 m² | +70 m² +101% | 2020 |
|---|
| 26, Peak Hill756 m away | 59 m² | 128 m² | +69 m² +117% | 2023 |
|---|
| 7, Venner Road682 m away | 67 m² | 134 m² | +67 m² +100% | 2024 |
|---|
| 43, Homecroft Road708 m away | 66 m² | 133 m² | +67 m² +102% | 2024 |
|---|
| 34, Crystal Palace Park Road287 m away | 216 m² | 283 m² | +67 m² +31% | 2022 |
|---|
| 13, Venner Road682 m away | 45 m² | 109 m² | +64 m² +142% | 2026 |
|---|
| 35, Earlsthorpe Road965 m away | 203 m² | 267 m² | +64 m² +32% | 2020 |
|---|
| 15, Tredown Road746 m away | 128 m² | 191 m² | +63 m² +49% | 2014 |
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| 2, Rosamond Street865 m away | 79 m² | 140 m² | +61 m² +77% | 2024 |
|---|
| 14, Tannsfeld Road869 m away | 120 m² | 179 m² | +59 m² +49% | 2020 |
|---|
| 99, Longton Grove433 m away | 51 m² | 108 m² | +57 m² +112% | 2013 |
|---|
| 68a, Newlands Park856 m away | 96 m² | 152 m² | +56 m² +58% | 2023 |
|---|
| 1, Sydenham Avenue92 m away | 106 m² | 161 m² | +55 m² +52% | 2019 |
|---|
| 29, Kingswood Road777 m away | 93 m² | 146 m² | +53 m² +57% | 2026 |
|---|
| 81, Longton Avenue787 m away | 110 m² | 163 m² | +53 m² +48% | 2024 |
|---|
| 7, Whittell Gardens964 m away | 86 m² | 139 m² | +53 m² +62% | 2014 |
|---|
| 96a, Crystal Palace Park Road276 m away | 62 m² | 115 m² | +53 m² +85% | 2013 |
|---|
| 194, Venner Road803 m away | 127 m² | 179 m² | +52 m² +41% | 2024 |
|---|
| 27, Phoenix Road881 m away | 126 m² | 178 m² | +52 m² +41% | 2024 |
|---|
| 40, Whittell Gardens964 m away | 79 m² | 131 m² | +52 m² +66% | 2017 |
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| 69, Homecroft Road708 m away | 106 m² | 158 m² | +52 m² +49% | 2014 |
|---|
| 40, Hall Drive381 m away | 186 m² | 237 m² | +51 m² +27% | 2017 |
|---|
| 61, Homecroft Road708 m away | 105 m² | 155 m² | +50 m² +48% | 2022 |
|---|
| 18, Queensthorpe Road952 m away | 89 m² | 139 m² | +50 m² +56% | 2022 |
|---|
| 43b, Wiverton Road751 m away | 63 m² | 113 m² | +50 m² +79% | 2014 |
|---|
| Flat 13, 33, Westwood Hill248 m away | 44 m² | 92 m² | +48 m² +109% | 2024 |
|---|
| 20, Whittell Gardens964 m away | 86 m² | 133 m² | +47 m² +55% | 2019 |
|---|
| 25, Collingtree Road722 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 36a, Panmure Road993 m away | 84 m² | 130 m² | +46 m² +55% | 2023 |
|---|
| 14, Lawrie Park Crescent266 m away | 177 m² | 223 m² | +46 m² +26% | 2022 |
|---|
| 23, Fransfield Grove825 m away | 38 m² | 84 m² | +46 m² +121% | 2010 |
|---|
| 4, Tannsfeld Road869 m away | 132 m² | 177 m² | +45 m² +34% | 2021 |
|---|
| 5, Canal Walk616 m away | 78 m² | 123 m² | +45 m² +58% | 2014 |
|---|
| 37, Kingswood Road777 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 96a, Byne Road710 m away | 72 m² | 115 m² | +43 m² +60% | 2021 |
|---|
| 26, Queensthorpe Road952 m away | 204 m² | 247 m² | +43 m² +21% | 2020 |
|---|
| 94, Crystal Palace Park Road276 m away | 75 m² | 118 m² | +43 m² +57% | 2013 |
|---|
| 4, Studland Road917 m away | 139 m² | 181 m² | +42 m² +30% | 2025 |
|---|
| 95, Wiverton Road737 m away | 134 m² | 176 m² | +42 m² +31% | 2015 |
|---|
| 53, Girton Road994 m away | 89 m² | 130 m² | +41 m² +46% | 2024 |
|---|
| 99, Wiverton Road737 m away | 90 m² | 131 m² | +41 m² +46% | 2017 |
|---|
| 14a, Lawrie Park Avenue256 m away | 45 m² | 86 m² | +41 m² +91% | 2015 |
|---|
| 14, Peak Hill756 m away | 80 m² | 121 m² | +41 m² +51% | 2015 |
|---|
| 3, Phoenix Road881 m away | 141 m² | 181 m² | +40 m² +28% | 2025 |
|---|
| 137, Newlands Park776 m away | 111 m² | 151 m² | +40 m² +36% | 2015 |
|---|
| Flat 3, 32, Sydenham Park903 m away | 63 m² | 102 m² | +39 m² +62% | 2025 |
|---|
| 26, Lawrie Park Avenue256 m away | 217 m² | 256 m² | +39 m² +18% | 2022 |
|---|
| 71, Kingswood Road777 m away | 88 m² | 127 m² | +39 m² +44% | 2022 |
|---|
| 93, Tannsfeld Road954 m away | 52 m² | 91 m² | +39 m² +75% | 2015 |
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| 5, Border Road289 m away | 94 m² | 132 m² | +38 m² +40% | 2018 |
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| 14, Longton Avenue458 m away | 66 m² | 104 m² | +38 m² +58% | 2016 |
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| 22, Fransfield Grove825 m away | 43 m² | 80 m² | +37 m² +86% | 2011 |
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| 25, Kingswood Road777 m away | 86 m² | 122 m² | +36 m² +42% | 2025 |
|---|
| 10, Crampton Road739 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 3, The Peak935 m away | 86 m² | 122 m² | +36 m² +42% | 2022 |
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| 18, Rosamond Street865 m away | 81 m² | 117 m² | +36 m² +44% | 2018 |
|---|
| 19, Wiverton Road751 m away | 129 m² | 165 m² | +36 m² +28% | 2010 |
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| Flat 5, 8, Wells Park Road751 m away | 26 m² | 61 m² | +35 m² +135% | 2026 |
|---|
| Flat 31, Marlowe Court, Lymer Avenue975 m away | 47 m² | 82 m² | +35 m² +74% | 2026 |
|---|
| 7, Homecroft Road708 m away | 128 m² | 163 m² | +35 m² +27% | 2015 |
|---|
| 55, Longton Grove433 m away | 109 m² | 144 m² | +35 m² +32% | 2013 |
|---|
| 57c, Peak Hill819 m away | 73 m² | 107 m² | +34 m² +47% | 2025 |
|---|
| 31, Girton Road994 m away | 88 m² | 122 m² | +34 m² +39% | 2024 |
|---|
| 8, Bluebell Close812 m away | 98 m² | 132 m² | +34 m² +35% | 2022 |
|---|
| 7, Girton Road994 m away | 80 m² | 114 m² | +34 m² +43% | 2021 |
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| 28, Beaulieu Avenue495 m away | 141 m² | 175 m² | +34 m² +24% | 2014 |
|---|
| 27, Montrave Road937 m away | 135 m² | 168 m² | +33 m² +24% | 2024 |
|---|
| 34, Lawrie Park Gardens242 m away | 85 m² | 118 m² | +33 m² +39% | 2022 |
|---|
| 116c, Crystal Palace Park Road276 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
|---|
| 100, Sydenham Park Road932 m away | 95 m² | 128 m² | +33 m² +35% | 2022 |
|---|
| 70, Anerley Park962 m away | 53 m² | 86 m² | +33 m² +62% | 2010 |
|---|
| 114, Anerley Park797 m away | 125 m² | 157 m² | +32 m² +26% | 2026 |
|---|
| 8, The Peak935 m away | 102 m² | 134 m² | +32 m² +31% | 2026 |
|---|
| 33, Girton Road994 m away | 92 m² | 124 m² | +32 m² +35% | 2024 |
|---|
| 58, Kingswood Road809 m away | 117 m² | 149 m² | +32 m² +27% | 2023 |
|---|
| 5, Sandown Court974 m away | 58 m² | 90 m² | +32 m² +55% | 2019 |
|---|
| Flat 1, 96, Westwood Hill446 m away | 82 m² | 113 m² | +31 m² +38% | 2026 |
|---|
| 1, Wiverton Road751 m away | 129 m² | 160 m² | +31 m² +24% | 2025 |
|---|
| Ground Floor, 44, Wiverton Road788 m away | 53 m² | 84 m² | +31 m² +58% | 2022 |
|---|
| Flat 4, 47, Newlands Park837 m away | 32 m² | 63 m² | +31 m² +97% | 2016 |
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| 49b, Anerley Park962 m away | 80 m² | 111 m² | +31 m² +39% | 2015 |
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| 87, Sydenham Road946 m away | 55 m² | 86 m² | +31 m² +56% | 2010 |
|---|
| 2, Lennard Terrace982 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 43, Hall Drive397 m away | 132 m² | 162 m² | +30 m² +23% | 2014 |
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| 59, Peak Hill819 m away | 161 m² | 191 m² | +30 m² +19% | 2014 |
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| 111, Longton Grove433 m away | 93 m² | 122 m² | +29 m² +31% | 2022 |
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| 51, Beaulieu Avenue353 m away | 131 m² | 160 m² | +29 m² +22% | 2014 |
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| Flat 11, York House, Lawrie Park Road423 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 50c, Thicket Road743 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
|---|
| 43, Panmure Road949 m away | 133 m² | 161 m² | +28 m² +21% | 2022 |
|---|
| 35a, Tredown Road746 m away | 37 m² | 65 m² | +28 m² +76% | 2021 |
|---|
| Flat 3, Aintree House, Park Court458 m away | 46 m² | 74 m² | +28 m² +61% | 2019 |
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| Flat 9, Coniston Court, Springfield Road405 m away | 45 m² | 73 m² | +28 m² +62% | 2018 |
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| 159b, Venner Road831 m away | 53 m² | 81 m² | +28 m² +53% | 2017 |
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| 23, Venner Road682 m away | 57 m² | 85 m² | +28 m² +49% | 2010 |
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| 198b, Venner Road803 m away | 47 m² | 74 m² | +27 m² +57% | 2014 |
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| Flat 5, Parcell House, Newlands Park897 m away | 56 m² | 82 m² | +26 m² +46% | 2025 |
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| 8a, Sydenham Hill751 m away | 67 m² | 93 m² | +26 m² +39% | 2022 |
|---|
| Flat 9, Grasmere Court, 63, Westwood Hill426 m away | 46 m² | 72 m² | +26 m² +57% | 2021 |
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| Flat 2, 21, Longton Avenue515 m away | 85 m² | 111 m² | +26 m² +31% | 2016 |
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| 10, Whittell Gardens964 m away | 90 m² | 116 m² | +26 m² +29% | 2016 |
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| 22, Vigilant Close837 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 41, Longton Avenue515 m away | 152 m² | 177 m² | +25 m² +16% | 2025 |
|---|
| 45b, Sydenham Road792 m away | 70 m² | 95 m² | +25 m² +36% | 2025 |
|---|
| 18, Taylors Lane518 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 161, Lawrie Park Gardens224 m away | 84 m² | 109 m² | +25 m² +30% | 2020 |
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| 2, Crampton Road739 m away | 86 m² | 111 m² | +25 m² +29% | 2019 |
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| 19, Charleville Circus241 m away | 44 m² | 69 m² | +25 m² +57% | 2018 |
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| 2, Fransfield Grove825 m away | 130 m² | 155 m² | +25 m² +19% | 2018 |
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| 13, Whittell Gardens964 m away | 79 m² | 104 m² | +25 m² +32% | 2017 |
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| 46b, Sydenham Road839 m away | 55 m² | 79 m² | +24 m² +44% | 2026 |
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| 24, Trenholme Road985 m away | 75 m² | 99 m² | +24 m² +32% | 2026 |
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| 1, Border Road289 m away | 136 m² | 160 m² | +24 m² +18% | 2021 |
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| Flat 8, Wicklow Court, 45, Lawrie Park Road436 m away | 45 m² | 69 m² | +24 m² +53% | 2018 |
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| Flat 3, 5, Recreation Road987 m away | 57 m² | 81 m² | +24 m² +42% | 2014 |
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| Flat 8, The Arc, 85, Willow Way825 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
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| 1, Mylis Close611 m away | 79 m² | 102 m² | +23 m² +29% | 2023 |
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| 53, Beaulieu Avenue353 m away | 116 m² | 139 m² | +23 m² +20% | 2022 |
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| 222, Venner Road803 m away | 118 m² | 141 m² | +23 m² +19% | 2021 |
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| 98c, Newlands Park815 m away | 59 m² | 82 m² | +23 m² +39% | 2021 |
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| Flat 4, 9, St Johns Road991 m away | 37 m² | 60 m² | +23 m² +62% | 2018 |
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| Flat 19, 33, Westwood Hill248 m away | 86 m² | 109 m² | +23 m² +27% | 2014 |
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| 61, Venner Road636 m away | 55 m² | 78 m² | +23 m² +42% | 2010 |
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| 46, Lawrie Park Road454 m away | 79 m² | 101 m² | +22 m² +28% | 2026 |
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| Flat 21, The Firs, 43, Venner Road648 m away | 91 m² | 113 m² | +22 m² +24% | 2025 |
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| 3, Sandown Court974 m away | 59 m² | 81 m² | +22 m² +37% | 2025 |
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| 11, Trenholme Road985 m away | 87 m² | 109 m² | +22 m² +25% | 2023 |
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| Flat 7, 56, Thicket Road743 m away | 41 m² | 63 m² | +22 m² +54% | 2020 |
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| 19, High Street799 m away | 78 m² | 100 m² | +22 m² +28% | 2019 |
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| 43, Tannsfeld Road907 m away | 125 m² | 147 m² | +22 m² +18% | 2016 |
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| 14, Beaulieu Avenue495 m away | 114 m² | 136 m² | +22 m² +19% | 2013 |
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| 88, Tannsfeld Road910 m away | 121 m² | 143 m² | +22 m² +18% | 2011 |
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| 91a, Sydenham Road946 m away | 74 m² | 95 m² | +21 m² +28% | 2025 |
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| 11a, Silverdale748 m away | 79 m² | 100 m² | +21 m² +27% | 2024 |
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| 74, Wiverton Road782 m away | 129 m² | 150 m² | +21 m² +16% | 2024 |
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| 75b, Sydenham Road946 m away | 49 m² | 70 m² | +21 m² +43% | 2024 |
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| Flat 4, 69, Crystal Palace Park Road350 m away | 77 m² | 98 m² | +21 m² +27% | 2022 |
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| 4, Lawrie Park Road454 m away | 71 m² | 92 m² | +21 m² +30% | 2021 |
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| 198a, Venner Road803 m away | 66 m² | 87 m² | +21 m² +32% | 2020 |
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| Flat 5, 3, Anerley Hill1000 m away | 69 m² | 90 m² | +21 m² +30% | 2019 |
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| 115, Newlands Park776 m away | 69 m² | 90 m² | +21 m² +30% | 2018 |
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| 15, Bradford Close650 m away | 59 m² | 80 m² | +21 m² +36% | 2015 |
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| 17, Wells Park Road676 m away | 77 m² | 97 m² | +20 m² +26% | 2026 |
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| 58, Byne Road710 m away | 128 m² | 148 m² | +20 m² +16% | 2023 |
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| 46, Crystal Palace Park Road287 m away | 37 m² | 57 m² | +20 m² +54% | 2021 |
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| 23, Lyric Mews809 m away | 41 m² | 61 m² | +20 m² +49% | 2021 |
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| 47a, Anerley Park962 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
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| Flat 7, 1, Recreation Road987 m away | 88 m² | 108 m² | +20 m² +23% | 2021 |
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| 75, Hall Drive397 m away | 94 m² | 114 m² | +20 m² +21% | 2019 |
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| 3, Newlands Park880 m away | 46 m² | 65 m² | +19 m² +41% | 2025 |
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| 18, Phoenix Road881 m away | 114 m² | 133 m² | +19 m² +17% | 2025 |
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| Flat 6, Mayne Court, 48, Crystal Palace Park Road228 m away | 51 m² | 70 m² | +19 m² +37% | 2024 |
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| 94, Ormanton Road413 m away | 85 m² | 104 m² | +19 m² +22% | 2024 |
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| 4b, Westwood Hill530 m away | 60 m² | 79 m² | +19 m² +32% | 2024 |
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| Flat 3, 102, Crystal Palace Park Road276 m away | 49 m² | 68 m² | +19 m² +39% | 2020 |
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| Flat 4, 43, Westwood Hill347 m away | 51 m² | 70 m² | +19 m² +37% | 2018 |
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| 4e, Westwood Hill530 m away | 61 m² | 80 m² | +19 m² +31% | 2018 |
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| 25a, Oaksford Avenue880 m away | 66 m² | 85 m² | +19 m² +29% | 2015 |
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| 76, Beaulieu Avenue353 m away | 119 m² | 138 m² | +19 m² +16% | 2014 |
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| 56, Markwell Close532 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| Flat D, 19, Kinver Road840 m away | 97 m² | 116 m² | +19 m² +20% | 2010 |
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| 56, Longton Grove570 m away | 118 m² | 136 m² | +18 m² +15% | 2025 |
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| Flat 9, 71, Crystal Palace Park Road350 m away | 53 m² | 71 m² | +18 m² +34% | 2024 |
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| Flat 2, Fountain Court, Lawrie Park Road537 m away | 46 m² | 64 m² | +18 m² +39% | 2019 |
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| 4, Grace Path785 m away | 60 m² | 78 m² | +18 m² +30% | 2016 |
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| 32, Lawrie Park Gardens242 m away | 87 m² | 104 m² | +17 m² +20% | 2023 |
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| 9, Trenholme Road985 m away | 87 m² | 104 m² | +17 m² +20% | 2022 |
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| 16, Wavel Place793 m away | 48 m² | 65 m² | +17 m² +35% | 2021 |
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| Flat 7, Fountain Court, Lawrie Park Road537 m away | 50 m² | 67 m² | +17 m² +34% | 2020 |
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| 5a, Sydenham Park921 m away | 91 m² | 108 m² | +17 m² +19% | 2019 |
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| 18, Oaksford Avenue880 m away | 73 m² | 90 m² | +17 m² +23% | 2018 |
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| Flat 1, 110, Oakfield Road986 m away | 55 m² | 71 m² | +16 m² +29% | 2026 |
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| 231, Dartmouth Road910 m away | 67 m² | 83 m² | +16 m² +24% | 2024 |
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| 13, Peak Hill Avenue663 m away | 99 m² | 115 m² | +16 m² +16% | 2023 |
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| 1a, The Parade738 m away | 59 m² | 75 m² | +16 m² +27% | 2023 |
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| Flat 1, 270 - 272, Kirkdale600 m away | 86 m² | 102 m² | +16 m² +19% | 2020 |
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| 52, Station Road782 m away | 99 m² | 115 m² | +16 m² +16% | 2020 |
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| 25, Venner Road682 m away | 72 m² | 88 m² | +16 m² +22% | 2019 |
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| Flat 21, Beechwoods Court, 3, Crystal Palace Parade834 m away | 46 m² | 62 m² | +16 m² +35% | 2019 |
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| 97, Wells Park Road676 m away | 72 m² | 88 m² | +16 m² +22% | 2014 |
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| 4, Stoneleigh, Mosslea Road847 m away | 38 m² | 54 m² | +16 m² +42% | 2013 |
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| 31, Sydenham Road792 m away | 51 m² | 67 m² | +16 m² +31% | 2009 |
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| 13b, Queensthorpe Road921 m away | 66 m² | 81 m² | +15 m² +23% | 2026 |
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| Flat 4, 191, Lawrie Park Gardens334 m away | 87 m² | 102 m² | +15 m² +17% | 2023 |
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| 22, Tarragon Grove914 m away | 69 m² | 84 m² | +15 m² +22% | 2023 |
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| 14b, Kelvin Grove907 m away | 50 m² | 65 m² | +15 m² +30% | 2022 |
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| Flat C, 13, Crystal Palace Park Road571 m away | 77 m² | 92 m² | +15 m² +19% | 2021 |
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| 6, Whittell Gardens964 m away | 96 m² | 111 m² | +15 m² +16% | 2021 |
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| 219a, Kirkdale690 m away | 53 m² | 68 m² | +15 m² +28% | 2020 |
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| Flat 2, 34, Panmure Road993 m away | 69 m² | 84 m² | +15 m² +22% | 2020 |
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