Finding extended homes…
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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 6TL
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 |
|---|---|---|---|---|
| 90, College Road651 m away | 159 m² | 300 m² | +141 m² +89% | 2022 |
| 25, Longton Avenue534 m away | 149 m² | 284 m² | +135 m² +91% | 2022 |
| 1, Radlet Avenue855 m away | 123 m² | 242 m² | +119 m² +97% | 2026 |
| 109, College Road569 m away | 204 m² | 309 m² | +105 m² +51% | 2012 |
| 68, Crystal Palace Park Road992 m away | 148 m² | 246 m² | +98 m² +66% | 2020 |
| 41, Carlton Terrace954 m away | 128 m² | 208 m² | +80 m² +63% | 2019 |
| 26, Panmure Road489 m away | 71 m² | 146 m² | +75 m² +106% | 2017 |
| 7, Woodhall Avenue537 m away | 225 m² | 298 m² | +73 m² +32% | 2013 |
| 9, Ferrings812 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 Avenue233 m away | 78 m² | 148 m² | +70 m² +90% | 2023 |
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| 13, Peckarmans Wood280 m away | 112 m² | 176 m² | +64 m² +57% | 2019 |
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| 14, Hitherwood Drive686 m away | 150 m² | 213 m² | +63 m² +42% | 2018 |
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| Three Leaves, 4a, Crescent Wood Road154 m away | 271 m² | 333 m² | +62 m² +23% | 2025 |
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| 110, College Road540 m away | 247 m² | 309 m² | +62 m² +25% | 2022 |
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| 2, Rosamond Street473 m away | 79 m² | 140 m² | +61 m² +77% | 2024 |
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| 127, Sydenham Hill717 m away | 225 m² | 285 m² | +60 m² +27% | 2022 |
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| 26, Rouse Gardens997 m away | 131 m² | 190 m² | +59 m² +45% | 2023 |
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| 45, Kirkdale669 m away | 90 m² | 147 m² | +57 m² +63% | 2024 |
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| 99, Longton Grove674 m away | 51 m² | 108 m² | +57 m² +112% | 2013 |
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| 15, Crescent Wood Road200 m away | 132 m² | 186 m² | +54 m² +41% | 2025 |
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| 81, Longton Avenue233 m away | 110 m² | 163 m² | +53 m² +48% | 2024 |
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| 96a, Crystal Palace Park Road814 m away | 62 m² | 115 m² | +53 m² +85% | 2013 |
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| 42, Thorpewood Avenue796 m away | 84 m² | 135 m² | +51 m² +61% | 2026 |
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| 29, Rouse Gardens997 m away | 109 m² | 160 m² | +51 m² +47% | 2018 |
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| 36, Rouse Gardens997 m away | 121 m² | 170 m² | +49 m² +40% | 2024 |
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| Flat 13, 33, Westwood Hill761 m away | 44 m² | 92 m² | +48 m² +109% | 2024 |
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| 36a, Panmure Road489 m away | 84 m² | 130 m² | +46 m² +55% | 2023 |
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| 23, Fransfield Grove644 m away | 38 m² | 84 m² | +46 m² +121% | 2010 |
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| 82, College Road717 m away | 65 m² | 109 m² | +44 m² +68% | 2025 |
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| 37, Cheseman Street750 m away | 146 m² | 189 m² | +43 m² +29% | 2020 |
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| 94, Crystal Palace Park Road814 m away | 75 m² | 118 m² | +43 m² +57% | 2013 |
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| 43, Peckarmans Wood234 m away | 97 m² | 138 m² | +41 m² +42% | 2016 |
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| 14a, Lawrie Park Avenue997 m away | 45 m² | 86 m² | +41 m² +91% | 2015 |
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| 30, Thorpewood Avenue796 m away | 168 m² | 209 m² | +41 m² +24% | 2012 |
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| A home on Panmure Road467 m away | 215 m² | 255 m² | +40 m² +19% | 2026 |
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| Flat 3, 32, Sydenham Park934 m away | 63 m² | 102 m² | +39 m² +62% | 2025 |
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| 26, Lawrie Park Avenue997 m away | 217 m² | 256 m² | +39 m² +18% | 2022 |
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| 3, Tollgate Drive933 m away | 132 m² | 171 m² | +39 m² +30% | 2017 |
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| 7, Hassocks Close688 m away | 49 m² | 87 m² | +38 m² +78% | 2025 |
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| 14, Longton Avenue575 m away | 66 m² | 104 m² | +38 m² +58% | 2016 |
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| 22, Fransfield Grove644 m away | 43 m² | 80 m² | +37 m² +86% | 2011 |
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| 34, Little Bornes913 m away | 106 m² | 142 m² | +36 m² +34% | 2023 |
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| 4, Julian Tayler Path819 m away | 89 m² | 125 m² | +36 m² +40% | 2019 |
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| 18, Rosamond Street473 m away | 81 m² | 117 m² | +36 m² +44% | 2018 |
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| 12, Mount Ash Road562 m away | 79 m² | 115 m² | +36 m² +46% | 2010 |
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| Flat 5, 8, Wells Park Road747 m away | 26 m² | 61 m² | +35 m² +135% | 2026 |
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| Flat 31, Marlowe Court, Lymer Avenue872 m away | 47 m² | 82 m² | +35 m² +74% | 2026 |
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| 55, Longton Grove674 m away | 109 m² | 144 m² | +35 m² +32% | 2013 |
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| Flat 4, 34a, Sydenham Hill432 m away | 113 m² | 147 m² | +34 m² +30% | 2022 |
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| 8, Bluebell Close550 m away | 98 m² | 132 m² | +34 m² +35% | 2022 |
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| 15, Ferrings812 m away | 121 m² | 155 m² | +34 m² +28% | 2015 |
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| 28, Beaulieu Avenue729 m away | 141 m² | 175 m² | +34 m² +24% | 2014 |
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| 116c, Crystal Palace Park Road814 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
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| 5, Sandown Court749 m away | 58 m² | 90 m² | +32 m² +55% | 2019 |
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| 36, Kirkdale615 m away | 177 m² | 209 m² | +32 m² +18% | 2009 |
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| Flat 1, 96, Westwood Hill651 m away | 82 m² | 113 m² | +31 m² +38% | 2026 |
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| 13a, Cheseman Street750 m away | 49 m² | 80 m² | +31 m² +63% | 2021 |
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| 32, Woodsyre, Sydenham Hill301 m away | 103 m² | 134 m² | +31 m² +30% | 2011 |
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| 111, Longton Grove674 m away | 93 m² | 122 m² | +29 m² +31% | 2022 |
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| 51, Beaulieu Avenue735 m away | 131 m² | 160 m² | +29 m² +22% | 2014 |
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| 43, Panmure Road467 m away | 133 m² | 161 m² | +28 m² +21% | 2022 |
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| Flat 31, Glenhurst Court, Farquhar Road975 m away | 52 m² | 79 m² | +27 m² +52% | 2020 |
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| 18, Giles Coppice876 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 31, Bowen Drive924 m away | 97 m² | 123 m² | +26 m² +27% | 2023 |
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| 8a, Sydenham Hill630 m away | 67 m² | 93 m² | +26 m² +39% | 2022 |
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| Flat 9, Grasmere Court, 63, Westwood Hill692 m away | 46 m² | 72 m² | +26 m² +57% | 2021 |
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| 23, Rusholme Grove991 m away | 45 m² | 71 m² | +26 m² +58% | 2021 |
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| Flat 2, 21, Longton Avenue534 m away | 85 m² | 111 m² | +26 m² +31% | 2016 |
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| 22, Vigilant Close221 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 41, Longton Avenue534 m away | 152 m² | 177 m² | +25 m² +16% | 2025 |
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| Flat 6, Beresford House, Kingswood Estate815 m away | 38 m² | 63 m² | +25 m² +66% | 2022 |
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| 18, Taylors Lane509 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 161, Lawrie Park Gardens922 m away | 84 m² | 109 m² | +25 m² +30% | 2020 |
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| 11, Charlecote Grove694 m away | 85 m² | 110 m² | +25 m² +29% | 2019 |
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| 2, Fransfield Grove644 m away | 130 m² | 155 m² | +25 m² +19% | 2018 |
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| 19, Charleville Circus798 m away | 44 m² | 69 m² | +25 m² +57% | 2018 |
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| 57, Crescent Wood Road201 m away | 102 m² | 127 m² | +25 m² +25% | 2011 |
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| 167, Dartmouth Road896 m away | 74 m² | 98 m² | +24 m² +32% | 2026 |
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| 24, Rouse Gardens997 m away | 108 m² | 132 m² | +24 m² +22% | 2025 |
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| Flat 8, The Arc, 85, Willow Way802 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
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| 33, Mount Ash Road550 m away | 124 m² | 147 m² | +23 m² +19% | 2023 |
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| 1, Mylis Close617 m away | 79 m² | 102 m² | +23 m² +29% | 2023 |
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| 14, Ferrings812 m away | 140 m² | 163 m² | +23 m² +16% | 2023 |
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| 53, Beaulieu Avenue735 m away | 116 m² | 139 m² | +23 m² +20% | 2022 |
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| 7, Rusholme Grove991 m away | 48 m² | 71 m² | +23 m² +48% | 2021 |
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| 29, Crescent Wood Road201 m away | 129 m² | 152 m² | +23 m² +18% | 2020 |
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| Flat 19, 33, Westwood Hill761 m away | 86 m² | 109 m² | +23 m² +27% | 2014 |
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| 12, Charlecote Grove694 m away | 101 m² | 124 m² | +23 m² +23% | 2013 |
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| 3, Sandown Court749 m away | 59 m² | 81 m² | +22 m² +37% | 2025 |
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| 14, Rusholme Grove991 m away | 49 m² | 71 m² | +22 m² +45% | 2021 |
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| 14, Beaulieu Avenue729 m away | 114 m² | 136 m² | +22 m² +19% | 2013 |
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| 22, Otto Close611 m away | 62 m² | 83 m² | +21 m² +34% | 2024 |
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| 20, Lyall Avenue644 m away | 95 m² | 116 m² | +21 m² +22% | 2023 |
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| Flat 4, 69, Crystal Palace Park Road800 m away | 77 m² | 98 m² | +21 m² +27% | 2022 |
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| 15, Bradford Close488 m away | 59 m² | 80 m² | +21 m² +36% | 2015 |
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| 17, Wells Park Road577 m away | 77 m² | 97 m² | +20 m² +26% | 2026 |
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| 100, Great Brownings425 m away | 106 m² | 126 m² | +20 m² +19% | 2013 |
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| 94, Ormanton Road622 m away | 85 m² | 104 m² | +19 m² +22% | 2024 |
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| 41, Little Bornes967 m away | 126 m² | 145 m² | +19 m² +15% | 2024 |
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| 4b, Westwood Hill979 m away | 60 m² | 79 m² | +19 m² +32% | 2024 |
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| 1, Seeley Drive780 m away | 62 m² | 81 m² | +19 m² +31% | 2022 |
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| Flat 3, 102, Crystal Palace Park Road814 m away | 49 m² | 68 m² | +19 m² +39% | 2020 |
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| Flat 4, 43, Westwood Hill704 m away | 51 m² | 70 m² | +19 m² +37% | 2018 |
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| 4e, Westwood Hill979 m away | 61 m² | 80 m² | +19 m² +31% | 2018 |
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| 25a, Oaksford Avenue396 m away | 66 m² | 85 m² | +19 m² +29% | 2015 |
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| 56, Markwell Close582 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| 76, Beaulieu Avenue735 m away | 119 m² | 138 m² | +19 m² +16% | 2014 |
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| 56, Longton Grove720 m away | 118 m² | 136 m² | +18 m² +15% | 2025 |
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| Flat 9, 71, Crystal Palace Park Road800 m away | 53 m² | 71 m² | +18 m² +34% | 2024 |
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| 14, Tylney Avenue926 m away | 109 m² | 127 m² | +18 m² +17% | 2024 |
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| Flat 10, Macklin House, Shackleton Close953 m away | 73 m² | 91 m² | +18 m² +25% | 2020 |
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| 51, Seeley Drive682 m away | 93 m² | 111 m² | +18 m² +19% | 2015 |
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| Flat 10, Harrogate Court, Droitwich Close0 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
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| Flat 1, Redbanks, 2, Crescent Wood Road154 m away | 96 m² | 113 m² | +17 m² +18% | 2021 |
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| 16, Wavel Place677 m away | 48 m² | 65 m² | +17 m² +35% | 2021 |
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| 36, Mount Ash Road550 m away | 96 m² | 113 m² | +17 m² +18% | 2020 |
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| 5a, Sydenham Park901 m away | 91 m² | 108 m² | +17 m² +19% | 2019 |
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| 18, Oaksford Avenue396 m away | 73 m² | 90 m² | +17 m² +23% | 2018 |
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| 102, Great Brownings425 m away | 97 m² | 114 m² | +17 m² +18% | 2010 |
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| 231, Dartmouth Road753 m away | 67 m² | 83 m² | +16 m² +24% | 2024 |
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| 1a, The Parade730 m away | 59 m² | 75 m² | +16 m² +27% | 2023 |
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| Flat 21, Beechwoods Court, 3, Crystal Palace Parade773 m away | 46 m² | 62 m² | +16 m² +35% | 2019 |
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| 97, Wells Park Road577 m away | 72 m² | 88 m² | +16 m² +22% | 2014 |
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| 14b, Kelvin Grove567 m away | 50 m² | 65 m² | +15 m² +30% | 2022 |
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| 5, Rusholme Grove991 m away | 52 m² | 67 m² | +15 m² +29% | 2021 |
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| Flat 2, 34, Panmure Road489 m away | 69 m² | 84 m² | +15 m² +22% | 2020 |
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| 219a, Kirkdale944 m away | 53 m² | 68 m² | +15 m² +28% | 2020 |
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| Flat 12, Greyfriars, Wells Park Road124 m away | 59 m² | 74 m² | +15 m² +25% | 2019 |
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| 17, Wavel Place677 m away | 37 m² | 52 m² | +15 m² +41% | 2019 |
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| Flat 5, 245 - 249, Dartmouth Road753 m away | 43 m² | 58 m² | +15 m² +35% | 2017 |
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| 17, Dallas Road546 m away | 72 m² | 87 m² | +15 m² +21% | 2014 |
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| 16c, Longton Grove720 m away | 70 m² | 85 m² | +15 m² +21% | 2014 |
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| 195, Kirkdale861 m away | 27 m² | 42 m² | +15 m² +56% | 2009 |
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