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 6SN
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 |
|---|---|---|---|---|
| 2, Alleyn Park800 m away | 164 m² | 308 m² | +144 m² +88% | 2025 |
| 90, College Road806 m away | 159 m² | 300 m² | +141 m² +89% | 2022 |
| 25, Longton Avenue351 m away | 149 m² | 284 m² | +135 m² +91% | 2022 |
| 109, College Road738 m away | 204 m² | 309 m² | +105 m² +51% | 2012 |
| 68, Crystal Palace Park Road751 m away | 148 m² | 246 m² | +98 m² +66% | 2020 |
| 26, Panmure Road933 m away | 71 m² | 146 m² | +75 m² +106% | 2017 |
| 33, Woodland Road854 m away | 155 m² | 229 m² | +74 m² +48% | 2022 |
| 7, Woodhall Avenue799 m away | 225 m² | 298 m² | +73 m² +32% | 2013 |
| 9, Ferrings1000 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.
| 132 m² |
| 204 m² |
| +72 m² +55% |
| 2014 |
| 71, Longton Avenue393 m away | 78 m² | 148 m² | +70 m² +90% | 2023 |
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| 43, Dulwich Wood Avenue645 m away | 93 m² | 161 m² | +68 m² +73% | 2025 |
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| 26, Jasper Road692 m away | 84 m² | 150 m² | +66 m² +79% | 2020 |
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| 35, Hunters Meadow709 m away | 45 m² | 111 m² | +66 m² +147% | 2017 |
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| 13, Peckarmans Wood804 m away | 112 m² | 176 m² | +64 m² +57% | 2019 |
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| 14, Hitherwood Drive362 m away | 150 m² | 213 m² | +63 m² +42% | 2018 |
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| Three Leaves, 4a, Crescent Wood Road703 m away | 271 m² | 333 m² | +62 m² +23% | 2025 |
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| 110, College Road461 m away | 247 m² | 309 m² | +62 m² +25% | 2022 |
|---|
| 2, Rosamond Street850 m away | 79 m² | 140 m² | +61 m² +77% | 2024 |
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| 21b, Farquhar Road811 m away | 46 m² | 107 m² | +61 m² +133% | 2012 |
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| 26, Rouse Gardens735 m away | 131 m² | 190 m² | +59 m² +45% | 2023 |
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| 16, Oaks Avenue934 m away | 113 m² | 170 m² | +57 m² +50% | 2022 |
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| 99, Longton Grove732 m away | 51 m² | 108 m² | +57 m² +112% | 2013 |
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| 214a, Gipsy Road927 m away | 49 m² | 106 m² | +57 m² +116% | 2013 |
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| Flat 2, 19, Gipsy Hill975 m away | 41 m² | 97 m² | +56 m² +137% | 2017 |
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| 1, Sydenham Avenue886 m away | 106 m² | 161 m² | +55 m² +52% | 2019 |
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| 15, Crescent Wood Road634 m away | 132 m² | 186 m² | +54 m² +41% | 2025 |
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| 17, Colby Road673 m away | 77 m² | 131 m² | +54 m² +70% | 2022 |
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| 205b, South Croxted Road992 m away | 72 m² | 126 m² | +54 m² +75% | 2020 |
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| 81, Longton Avenue393 m away | 110 m² | 163 m² | +53 m² +48% | 2024 |
|---|
| 96a, Crystal Palace Park Road538 m away | 62 m² | 115 m² | +53 m² +85% | 2013 |
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| 29, Rouse Gardens735 m away | 109 m² | 160 m² | +51 m² +47% | 2018 |
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| 22, Becondale Road886 m away | 87 m² | 138 m² | +51 m² +59% | 2009 |
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| 6, Beardell Street962 m away | 38 m² | 87 m² | +49 m² +129% | 2025 |
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| 36, Rouse Gardens735 m away | 121 m² | 170 m² | +49 m² +40% | 2024 |
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| 4, Oaks Avenue934 m away | 139 m² | 187 m² | +48 m² +35% | 2025 |
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| Flat 13, 33, Westwood Hill606 m away | 44 m² | 92 m² | +48 m² +109% | 2024 |
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| 36a, Panmure Road933 m away | 84 m² | 130 m² | +46 m² +55% | 2023 |
|---|
| 23, Fransfield Grove969 m away | 38 m² | 84 m² | +46 m² +121% | 2010 |
|---|
| 82, College Road914 m away | 65 m² | 109 m² | +44 m² +68% | 2025 |
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| 10, Grazeley Court776 m away | 99 m² | 142 m² | +43 m² +43% | 2025 |
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| 94, Crystal Palace Park Road538 m away | 75 m² | 118 m² | +43 m² +57% | 2013 |
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| 8, Becondale Road886 m away | 42 m² | 84 m² | +42 m² +100% | 2026 |
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| 205a, South Croxted Road992 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
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| 43, Peckarmans Wood769 m away | 97 m² | 138 m² | +41 m² +42% | 2016 |
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| 14a, Lawrie Park Avenue942 m away | 45 m² | 86 m² | +41 m² +91% | 2015 |
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| 26, Lawrie Park Avenue942 m away | 217 m² | 256 m² | +39 m² +18% | 2022 |
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| 12, Becondale Road886 m away | 48 m² | 87 m² | +39 m² +81% | 2015 |
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| 202, Gipsy Road927 m away | 99 m² | 137 m² | +38 m² +38% | 2024 |
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| 3b, Woodland Hill864 m away | 52 m² | 90 m² | +38 m² +73% | 2022 |
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| 114, Woodland Road770 m away | 72 m² | 110 m² | +38 m² +53% | 2020 |
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| 14, Longton Avenue601 m away | 66 m² | 104 m² | +38 m² +58% | 2016 |
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| 4, Alexandra Walk991 m away | 71 m² | 108 m² | +37 m² +52% | 2022 |
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| 22, Fransfield Grove969 m away | 43 m² | 80 m² | +37 m² +86% | 2011 |
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| 34, Little Bornes753 m away | 106 m² | 142 m² | +36 m² +34% | 2023 |
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| 18, Rosamond Street850 m away | 81 m² | 117 m² | +36 m² +44% | 2018 |
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| 14, Camden Hill Road937 m away | 50 m² | 86 m² | +36 m² +72% | 2010 |
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| Flat 31, Marlowe Court, Lymer Avenue338 m away | 47 m² | 82 m² | +35 m² +74% | 2026 |
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| 2, Baird Gardens702 m away | 87 m² | 122 m² | +35 m² +40% | 2022 |
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| 18, Gipsy Hill999 m away | 41 m² | 76 m² | +35 m² +85% | 2016 |
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| 55, Longton Grove732 m away | 109 m² | 144 m² | +35 m² +32% | 2013 |
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| 8, Bluebell Close0 m away | 98 m² | 132 m² | +34 m² +35% | 2022 |
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| Flat 4, 34a, Sydenham Hill934 m away | 113 m² | 147 m² | +34 m² +30% | 2022 |
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| 15, Ferrings1000 m away | 121 m² | 155 m² | +34 m² +28% | 2015 |
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| 28, Beaulieu Avenue842 m away | 141 m² | 175 m² | +34 m² +24% | 2014 |
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| 116c, Crystal Palace Park Road538 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
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| Flat 1, 96, Westwood Hill369 m away | 82 m² | 113 m² | +31 m² +38% | 2026 |
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| 52b, Woodland Road899 m away | 61 m² | 90 m² | +29 m² +48% | 2025 |
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| 111, Longton Grove732 m away | 93 m² | 122 m² | +29 m² +31% | 2022 |
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| 51, Beaulieu Avenue738 m away | 131 m² | 160 m² | +29 m² +22% | 2014 |
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| 22, Colby Road673 m away | 107 m² | 135 m² | +28 m² +26% | 2026 |
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| 2, Grazeley Court776 m away | 112 m² | 140 m² | +28 m² +25% | 2025 |
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| 43, Panmure Road893 m away | 133 m² | 161 m² | +28 m² +21% | 2022 |
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| 161, South Croxted Road992 m away | 157 m² | 185 m² | +28 m² +18% | 2022 |
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| 39, Colby Road673 m away | 137 m² | 164 m² | +27 m² +20% | 2024 |
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| 4, Gipsy Hill999 m away | 151 m² | 178 m² | +27 m² +18% | 2024 |
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| Flat 31, Glenhurst Court, Farquhar Road496 m away | 52 m² | 79 m² | +27 m² +52% | 2020 |
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| 18, Giles Coppice435 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 31, Bowen Drive993 m away | 97 m² | 123 m² | +26 m² +27% | 2023 |
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| 8a, Sydenham Hill98 m away | 67 m² | 93 m² | +26 m² +39% | 2022 |
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| Flat 9, Grasmere Court, 63, Westwood Hill385 m away | 46 m² | 72 m² | +26 m² +57% | 2021 |
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| 23, Rusholme Grove530 m away | 45 m² | 71 m² | +26 m² +58% | 2021 |
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| 35, Colby Road673 m away | 64 m² | 90 m² | +26 m² +41% | 2021 |
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| Flat 2, 21, Longton Avenue351 m away | 85 m² | 111 m² | +26 m² +31% | 2016 |
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| 22, Vigilant Close347 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 41, Longton Avenue351 m away | 152 m² | 177 m² | +25 m² +16% | 2025 |
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| 26, Dulwich Wood Park766 m away | 78 m² | 103 m² | +25 m² +32% | 2022 |
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| Flat 6, Beresford House, Kingswood Estate801 m away | 38 m² | 63 m² | +25 m² +66% | 2022 |
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| 18, Taylors Lane564 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 161, Lawrie Park Gardens858 m away | 84 m² | 109 m² | +25 m² +30% | 2020 |
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| 19, Charleville Circus574 m away | 44 m² | 69 m² | +25 m² +57% | 2018 |
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| 2, Fransfield Grove969 m away | 130 m² | 155 m² | +25 m² +19% | 2018 |
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| 57, Crescent Wood Road747 m away | 102 m² | 127 m² | +25 m² +25% | 2011 |
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| 24, Rouse Gardens735 m away | 108 m² | 132 m² | +24 m² +22% | 2025 |
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| Flat 5, Gould Court, Woodland Road755 m away | 40 m² | 64 m² | +24 m² +60% | 2022 |
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| 20e, Anerley Hill981 m away | 63 m² | 86 m² | +23 m² +37% | 2026 |
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| 1, Mylis Close812 m away | 79 m² | 102 m² | +23 m² +29% | 2023 |
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| 14, Ferrings1000 m away | 140 m² | 163 m² | +23 m² +16% | 2023 |
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| 53, Beaulieu Avenue738 m away | 116 m² | 139 m² | +23 m² +20% | 2022 |
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| 7, Rusholme Grove530 m away | 48 m² | 71 m² | +23 m² +48% | 2021 |
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| 29, Crescent Wood Road747 m away | 129 m² | 152 m² | +23 m² +18% | 2020 |
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| Flat 19, 33, Westwood Hill606 m away | 86 m² | 109 m² | +23 m² +27% | 2014 |
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| 226b, Gipsy Road927 m away | 44 m² | 67 m² | +23 m² +52% | 2012 |
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| 37, Oakfield Gardens615 m away | 110 m² | 132 m² | +22 m² +20% | 2022 |
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| Flat 6, 130, Gipsy Hill739 m away | 20 m² | 42 m² | +22 m² +110% | 2022 |
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| 14, Rusholme Grove530 m away | 49 m² | 71 m² | +22 m² +45% | 2021 |
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| Flat A, 58, Camden Hill Road937 m away | 27 m² | 49 m² | +22 m² +81% | 2021 |
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| 14, Beaulieu Avenue842 m away | 114 m² | 136 m² | +22 m² +19% | 2013 |
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| Flat 4, 73, Gipsy Hill843 m away | 48 m² | 69 m² | +21 m² +44% | 2026 |
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| 20, Lyall Avenue484 m away | 95 m² | 116 m² | +21 m² +22% | 2023 |
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| Flat 4, 69, Crystal Palace Park Road475 m away | 77 m² | 98 m² | +21 m² +27% | 2022 |
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| 15, Bradford Close707 m away | 59 m² | 80 m² | +21 m² +36% | 2015 |
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| 237, Gipsy Road953 m away | 37 m² | 58 m² | +21 m² +57% | 2014 |
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| 17, Wells Park Road820 m away | 77 m² | 97 m² | +20 m² +26% | 2026 |
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| 28a, Alexandra Drive899 m away | 87 m² | 107 m² | +20 m² +23% | 2024 |
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| 89, Gipsy Hill759 m away | 85 m² | 105 m² | +20 m² +24% | 2022 |
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| 82c, Westow Hill974 m away | 52 m² | 72 m² | +20 m² +38% | 2015 |
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| 1, Thorsden Way839 m away | 95 m² | 115 m² | +20 m² +21% | 2014 |
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| 100, Great Brownings306 m away | 106 m² | 126 m² | +20 m² +19% | 2013 |
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| 94, Ormanton Road434 m away | 85 m² | 104 m² | +19 m² +22% | 2024 |
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| 41, Little Bornes815 m away | 126 m² | 145 m² | +19 m² +15% | 2024 |
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| Flat 6, Mayne Court, 48, Crystal Palace Park Road995 m away | 51 m² | 70 m² | +19 m² +37% | 2024 |
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| 1, Seeley Drive525 m away | 62 m² | 81 m² | +19 m² +31% | 2022 |
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| Flat 3, 102, Crystal Palace Park Road538 m away | 49 m² | 68 m² | +19 m² +39% | 2020 |
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| Flat 3, 10, Gipsy Hill999 m away | 68 m² | 87 m² | +19 m² +28% | 2019 |
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| Flat 4, 43, Westwood Hill472 m away | 51 m² | 70 m² | +19 m² +37% | 2018 |
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| 25a, Oaksford Avenue795 m away | 66 m² | 85 m² | +19 m² +29% | 2015 |
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| 56, Markwell Close708 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| 76, Beaulieu Avenue738 m away | 119 m² | 138 m² | +19 m² +16% | 2014 |
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| 9, Farquhar Road811 m away | 64 m² | 83 m² | +19 m² +30% | 2013 |
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| 56, Longton Grove883 m away | 118 m² | 136 m² | +18 m² +15% | 2025 |
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| 14, Tylney Avenue404 m away | 109 m² | 127 m² | +18 m² +17% | 2024 |
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| Flat 9, 71, Crystal Palace Park Road475 m away | 53 m² | 71 m² | +18 m² +34% | 2024 |
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| 165, Hamilton Road947 m away | 85 m² | 103 m² | +18 m² +21% | 2017 |
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| 91, Gipsy Hill759 m away | 94 m² | 112 m² | +18 m² +19% | 2016 |
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| 51, Seeley Drive535 m away | 93 m² | 111 m² | +18 m² +19% | 2015 |
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| 11, Grazeley Court776 m away | 112 m² | 130 m² | +18 m² +16% | 2014 |
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| 17, Becondale Road886 m away | 62 m² | 80 m² | +18 m² +29% | 2009 |
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| Flat 6, 31, Beardell Street962 m away | 62 m² | 79 m² | +17 m² +27% | 2025 |
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| Flat 10, Harrogate Court, Droitwich Close550 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
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| 8, Cawnpore Street827 m away | 86 m² | 103 m² | +17 m² +20% | 2022 |
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| 16, Wavel Place129 m away | 48 m² | 65 m² | +17 m² +35% | 2021 |
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| Flat 1, Redbanks, 2, Crescent Wood Road703 m away | 96 m² | 113 m² | +17 m² +18% | 2021 |
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| Flat 2, 17, Alexandra Drive947 m away | 45 m² | 62 m² | +17 m² +38% | 2020 |
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| 18, Oaksford Avenue795 m away | 73 m² | 90 m² | +17 m² +23% | 2018 |
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| 102, Great Brownings306 m away | 97 m² | 114 m² | +17 m² +18% | 2010 |
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| 32a, Alexandra Drive899 m away | 62 m² | 78 m² | +16 m² +26% | 2023 |
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| 1a, The Parade990 m away | 59 m² | 75 m² | +16 m² +27% | 2023 |
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| Flat 21, Beechwoods Court, 3, Crystal Palace Parade223 m away | 46 m² | 62 m² | +16 m² +35% | 2019 |
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| 97, Wells Park Road820 m away | 72 m² | 88 m² | +16 m² +22% | 2014 |
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| 33, Alexandra Drive947 m away | 84 m² | 99 m² | +15 m² +18% | 2026 |
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| 14b, Kelvin Grove951 m away | 50 m² | 65 m² | +15 m² +30% | 2022 |
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| 5, Rusholme Grove530 m away | 52 m² | 67 m² | +15 m² +29% | 2021 |
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| Flat 2, 34, Panmure Road933 m away | 69 m² | 84 m² | +15 m² +22% | 2020 |
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| 17, Wavel Place129 m away | 37 m² | 52 m² | +15 m² +41% | 2019 |
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| Flat 12, Greyfriars, Wells Park Road565 m away | 59 m² | 74 m² | +15 m² +25% | 2019 |
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| Flat 26, Wiseman Court, Woodland Road767 m away | 63 m² | 78 m² | +15 m² +24% | 2017 |
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| 17, Dallas Road838 m away | 72 m² | 87 m² | +15 m² +21% | 2014 |
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| 16c, Longton Grove883 m away | 70 m² | 85 m² | +15 m² +21% | 2014 |
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