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 5EL
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 Road522 m away | 139 m² | 300 m² | +161 m² +116% | 2019 |
| 88, Venner Road200 m away | 340 m² | 448 m² | +108 m² +32% | 2017 |
| 68, Crystal Palace Park Road686 m away | 148 m² | 246 m² | +98 m² +66% | 2020 |
| 26, Avington Grove944 m away | 192 m² | 290 m² | +98 m² +51% | 2014 |
| 58, Woodbastwick Road771 m away | 130 m² | 226 m² | +96 m² +74% | 2021 |
| 99, Dacres Road950 m away | 116 m² | 207 m² | +91 m² +78% | 2014 |
| 29, Wiverton Road336 m away | 110 m² | 197 m² | +87 m² +79% | 2024 |
| 41, Carlton Terrace778 m away | 128 m² | 208 m² | +80 m² +63% | 2019 |
| 13, Kingsthorpe Road523 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.
| 61 m² |
| 139 m² |
| +78 m² +128% |
| 2020 |
| 30, Tannsfeld Road277 m away | 106 m² | 180 m² | +74 m² +70% | 2026 |
|---|
| 10, Alexandra Road618 m away | 129 m² | 200 m² | +71 m² +55% | 2025 |
|---|
| 59, Anerley Park873 m away | 140 m² | 211 m² | +71 m² +51% | 2024 |
|---|
| 9, Burghill Road903 m away | 161 m² | 231 m² | +70 m² +43% | 2022 |
|---|
| 50, Peak Hill635 m away | 69 m² | 139 m² | +70 m² +101% | 2020 |
|---|
| 26, Peak Hill635 m away | 59 m² | 128 m² | +69 m² +117% | 2023 |
|---|
| 43, Homecroft Road134 m away | 66 m² | 133 m² | +67 m² +102% | 2024 |
|---|
| 7, Venner Road167 m away | 67 m² | 134 m² | +67 m² +100% | 2024 |
|---|
| 34, Crystal Palace Park Road522 m away | 216 m² | 283 m² | +67 m² +31% | 2022 |
|---|
| 13, Venner Road167 m away | 45 m² | 109 m² | +64 m² +142% | 2026 |
|---|
| 35, Earlsthorpe Road422 m away | 203 m² | 267 m² | +64 m² +32% | 2020 |
|---|
| 15, Tredown Road146 m away | 128 m² | 191 m² | +63 m² +49% | 2014 |
|---|
| 56, Woodbastwick Road771 m away | 134 m² | 194 m² | +60 m² +45% | 2022 |
|---|
| 14, Tannsfeld Road277 m away | 120 m² | 179 m² | +59 m² +49% | 2020 |
|---|
| 72, Knighton Park Road620 m away | 61 m² | 119 m² | +58 m² +95% | 2022 |
|---|
| 8, Alexandra Road618 m away | 137 m² | 195 m² | +58 m² +42% | 2020 |
|---|
| 91, Knighton Park Road660 m away | 95 m² | 152 m² | +57 m² +60% | 2014 |
|---|
| 99, Longton Grove756 m away | 51 m² | 108 m² | +57 m² +112% | 2013 |
|---|
| 68a, Newlands Park263 m away | 96 m² | 152 m² | +56 m² +58% | 2023 |
|---|
| 90, Lennard Road881 m away | 204 m² | 260 m² | +56 m² +27% | 2018 |
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| 1, Sydenham Avenue566 m away | 106 m² | 161 m² | +55 m² +52% | 2019 |
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| 176, Fairlawn Park968 m away | 121 m² | 175 m² | +54 m² +45% | 2022 |
|---|
| 7, Alexandra Road618 m away | 135 m² | 189 m² | +54 m² +40% | 2018 |
|---|
| 9, Trewsbury Road564 m away | 165 m² | 219 m² | +54 m² +33% | 2016 |
|---|
| 29, Kingswood Road644 m away | 93 m² | 146 m² | +53 m² +57% | 2026 |
|---|
| 7, Whittell Gardens840 m away | 86 m² | 139 m² | +53 m² +62% | 2014 |
|---|
| 96a, Crystal Palace Park Road871 m away | 62 m² | 115 m² | +53 m² +85% | 2013 |
|---|
| 194, Venner Road467 m away | 127 m² | 179 m² | +52 m² +41% | 2024 |
|---|
| 27, Phoenix Road636 m away | 126 m² | 178 m² | +52 m² +41% | 2024 |
|---|
| 40, Whittell Gardens840 m away | 79 m² | 131 m² | +52 m² +66% | 2017 |
|---|
| 11, Cator Road607 m away | 265 m² | 317 m² | +52 m² +20% | 2016 |
|---|
| 69, Homecroft Road134 m away | 106 m² | 158 m² | +52 m² +49% | 2014 |
|---|
| 40, Hall Drive362 m away | 186 m² | 237 m² | +51 m² +27% | 2017 |
|---|
| 229, Sydenham Road882 m away | 88 m² | 139 m² | +51 m² +58% | 2016 |
|---|
| 5, Southey Street941 m away | 94 m² | 144 m² | +50 m² +53% | 2025 |
|---|
| 61, Homecroft Road134 m away | 105 m² | 155 m² | +50 m² +48% | 2022 |
|---|
| 18, Queensthorpe Road480 m away | 89 m² | 139 m² | +50 m² +56% | 2022 |
|---|
| 102, Kent House Road956 m away | 132 m² | 182 m² | +50 m² +38% | 2016 |
|---|
| 43b, Wiverton Road336 m away | 63 m² | 113 m² | +50 m² +79% | 2014 |
|---|
| Flat 13, 33, Westwood Hill779 m away | 44 m² | 92 m² | +48 m² +109% | 2024 |
|---|
| 140, Kent House Road953 m away | 139 m² | 187 m² | +48 m² +35% | 2023 |
|---|
| 20, Whittell Gardens840 m away | 86 m² | 133 m² | +47 m² +55% | 2019 |
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| 131, Parish Lane959 m away | 75 m² | 122 m² | +47 m² +63% | 2017 |
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| 25, Collingtree Road599 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 10a, Avington Grove944 m away | 58 m² | 104 m² | +46 m² +79% | 2025 |
|---|
| 14, Lawrie Park Crescent375 m away | 177 m² | 223 m² | +46 m² +26% | 2022 |
|---|
| 15, Dukesthorpe Road583 m away | 109 m² | 155 m² | +46 m² +42% | 2022 |
|---|
| 23, Fransfield Grove966 m away | 38 m² | 84 m² | +46 m² +121% | 2010 |
|---|
| 4, Tannsfeld Road277 m away | 132 m² | 177 m² | +45 m² +34% | 2021 |
|---|
| 5, Canal Walk144 m away | 78 m² | 123 m² | +45 m² +58% | 2014 |
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| 109, Sydenham Park Road796 m away | 85 m² | 129 m² | +44 m² +52% | 2024 |
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| 37, Kingswood Road644 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
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| 96a, Byne Road175 m away | 72 m² | 115 m² | +43 m² +60% | 2021 |
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| 26, Queensthorpe Road480 m away | 204 m² | 247 m² | +43 m² +21% | 2020 |
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| 19, Fairlawn Park946 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
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| 94, Crystal Palace Park Road871 m away | 75 m² | 118 m² | +43 m² +57% | 2013 |
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| 39, Queen Adelaide Road803 m away | 31 m² | 74 m² | +43 m² +139% | 2010 |
|---|
| 4, Studland Road360 m away | 139 m² | 181 m² | +42 m² +30% | 2025 |
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| 95, Wiverton Road202 m away | 134 m² | 176 m² | +42 m² +31% | 2015 |
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| 53, Girton Road395 m away | 89 m² | 130 m² | +41 m² +46% | 2024 |
|---|
| 157, Sydenham Park Road796 m away | 110 m² | 151 m² | +41 m² +37% | 2023 |
|---|
| 99, Wiverton Road202 m away | 90 m² | 131 m² | +41 m² +46% | 2017 |
|---|
| 14a, Lawrie Park Avenue451 m away | 45 m² | 86 m² | +41 m² +91% | 2015 |
|---|
| 14, Peak Hill635 m away | 80 m² | 121 m² | +41 m² +51% | 2015 |
|---|
| 11, Lennard Road654 m away | 72 m² | 113 m² | +41 m² +57% | 2014 |
|---|
| 3, Phoenix Road636 m away | 141 m² | 181 m² | +40 m² +28% | 2025 |
|---|
| 1, Lennard Road584 m away | 94 m² | 134 m² | +40 m² +43% | 2024 |
|---|
| 137, Newlands Park173 m away | 111 m² | 151 m² | +40 m² +36% | 2015 |
|---|
| 29, Princethorpe Road532 m away | 121 m² | 161 m² | +40 m² +33% | 2014 |
|---|
| Flat 3, 32, Sydenham Park847 m away | 63 m² | 102 m² | +39 m² +62% | 2025 |
|---|
| 26, Lawrie Park Avenue451 m away | 217 m² | 256 m² | +39 m² +18% | 2022 |
|---|
| 71, Kingswood Road644 m away | 88 m² | 127 m² | +39 m² +44% | 2022 |
|---|
| 93, Tannsfeld Road356 m away | 52 m² | 91 m² | +39 m² +75% | 2015 |
|---|
| Flat 61, Queen Adelaide Court, Queen Adelaide Road734 m away | 36 m² | 74 m² | +38 m² +106% | 2020 |
|---|
| 5, Border Road318 m away | 94 m² | 132 m² | +38 m² +40% | 2018 |
|---|
| 14, Longton Avenue868 m away | 66 m² | 104 m² | +38 m² +58% | 2016 |
|---|
| 88, Lennard Road881 m away | 204 m² | 241 m² | +37 m² +18% | 2023 |
|---|
| 106, Kent House Road956 m away | 177 m² | 214 m² | +37 m² +21% | 2023 |
|---|
| 22, Fransfield Grove966 m away | 43 m² | 80 m² | +37 m² +86% | 2011 |
|---|
| 25, Kingswood Road644 m away | 86 m² | 122 m² | +36 m² +42% | 2025 |
|---|
| 10, Crampton Road648 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 3, The Peak757 m away | 86 m² | 122 m² | +36 m² +42% | 2022 |
|---|
| 9, Elvino Road710 m away | 100 m² | 136 m² | +36 m² +36% | 2012 |
|---|
| 19, Wiverton Road336 m away | 129 m² | 165 m² | +36 m² +28% | 2010 |
|---|
| Flat 5, 8, Wells Park Road838 m away | 26 m² | 61 m² | +35 m² +135% | 2026 |
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| 71b, Mayow Road873 m away | 96 m² | 131 m² | +35 m² +36% | 2024 |
|---|
| 5a, Bishopsthorpe Road604 m away | 110 m² | 145 m² | +35 m² +32% | 2023 |
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| 279, Sydenham Road979 m away | 46 m² | 81 m² | +35 m² +76% | 2016 |
|---|
| 7, Homecroft Road134 m away | 128 m² | 163 m² | +35 m² +27% | 2015 |
|---|
| 55, Longton Grove756 m away | 109 m² | 144 m² | +35 m² +32% | 2013 |
|---|
| 57c, Peak Hill593 m away | 73 m² | 107 m² | +34 m² +47% | 2025 |
|---|
| 31, Girton Road395 m away | 88 m² | 122 m² | +34 m² +39% | 2024 |
|---|
| 7, Girton Road395 m away | 80 m² | 114 m² | +34 m² +43% | 2021 |
|---|
| 55, Wordsworth Road957 m away | 89 m² | 123 m² | +34 m² +38% | 2021 |
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| 28, Beaulieu Avenue712 m away | 141 m² | 175 m² | +34 m² +24% | 2014 |
|---|
| 82, Fairlawn Park912 m away | 115 m² | 148 m² | +33 m² +29% | 2025 |
|---|
| 27, Montrave Road748 m away | 135 m² | 168 m² | +33 m² +24% | 2024 |
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| 34, Lawrie Park Gardens378 m away | 85 m² | 118 m² | +33 m² +39% | 2022 |
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| 100, Sydenham Park Road732 m away | 95 m² | 128 m² | +33 m² +35% | 2022 |
|---|
| 116c, Crystal Palace Park Road871 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
|---|
| 186, Maple Road981 m away | 53 m² | 86 m² | +33 m² +62% | 2020 |
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| 8, The Peak757 m away | 102 m² | 134 m² | +32 m² +31% | 2026 |
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| 114, Anerley Park873 m away | 125 m² | 157 m² | +32 m² +26% | 2026 |
|---|
| 33, Girton Road395 m away | 92 m² | 124 m² | +32 m² +35% | 2024 |
|---|
| 58, Kingswood Road657 m away | 117 m² | 149 m² | +32 m² +27% | 2023 |
|---|
| 63, Highclere Street937 m away | 74 m² | 106 m² | +32 m² +43% | 2020 |
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| 53, Chelsfield Gardens911 m away | 80 m² | 112 m² | +32 m² +40% | 2014 |
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| 1, Wiverton Road336 m away | 129 m² | 160 m² | +31 m² +24% | 2025 |
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| Ground Floor, 44, Wiverton Road349 m away | 53 m² | 84 m² | +31 m² +58% | 2022 |
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| Flat 4, 47, Newlands Park385 m away | 32 m² | 63 m² | +31 m² +97% | 2016 |
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| 87, Sydenham Road395 m away | 55 m² | 86 m² | +31 m² +56% | 2010 |
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| 30, Parish Lane683 m away | 42 m² | 73 m² | +31 m² +74% | 2010 |
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| 2, Lennard Terrace590 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 5, Elvino Road710 m away | 105 m² | 135 m² | +30 m² +29% | 2020 |
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| 43, Hall Drive310 m away | 132 m² | 162 m² | +30 m² +23% | 2014 |
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| 59, Peak Hill593 m away | 161 m² | 191 m² | +30 m² +19% | 2014 |
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| 40a, Highclere Street969 m away | 48 m² | 77 m² | +29 m² +60% | 2026 |
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| 62, Knighton Park Road620 m away | 136 m² | 165 m² | +29 m² +21% | 2025 |
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| 49, Highclere Street937 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 111, Longton Grove756 m away | 93 m² | 122 m² | +29 m² +31% | 2022 |
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| 22a, Avington Grove944 m away | 35 m² | 64 m² | +29 m² +83% | 2022 |
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| 9, Highclere Street937 m away | 78 m² | 107 m² | +29 m² +37% | 2016 |
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| 51, Beaulieu Avenue703 m away | 131 m² | 160 m² | +29 m² +22% | 2014 |
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| 135, Hazel Grove707 m away | 66 m² | 95 m² | +29 m² +44% | 2012 |
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| Flat 11, York House, Lawrie Park Road224 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 50c, Thicket Road930 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
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| 35a, Tredown Road146 m away | 37 m² | 65 m² | +28 m² +76% | 2021 |
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| Flat 3, Aintree House, Park Court548 m away | 46 m² | 74 m² | +28 m² +61% | 2019 |
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| Flat 9, Coniston Court, Springfield Road449 m away | 45 m² | 73 m² | +28 m² +62% | 2018 |
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| 159b, Venner Road458 m away | 53 m² | 81 m² | +28 m² +53% | 2017 |
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| 51, Kent House Road833 m away | 73 m² | 101 m² | +28 m² +38% | 2014 |
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| 23, Venner Road167 m away | 57 m² | 85 m² | +28 m² +49% | 2010 |
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| Flat 10, 2 - 4, Trewsbury Road506 m away | 118 m² | 145 m² | +27 m² +23% | 2025 |
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| Flat 10, Queen Adelaide Court, Queen Adelaide Road770 m away | 45 m² | 72 m² | +27 m² +60% | 2025 |
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| 70, Wordsworth Road989 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
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| 49b, Parish Lane684 m away | 41 m² | 68 m² | +27 m² +66% | 2022 |
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| 198b, Venner Road467 m away | 47 m² | 74 m² | +27 m² +57% | 2014 |
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| 19, Watlington Grove865 m away | 91 m² | 117 m² | +26 m² +29% | 2026 |
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| Flat 5, Parcell House, Newlands Park483 m away | 56 m² | 82 m² | +26 m² +46% | 2025 |
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| 56a, Knighton Park Road620 m away | 60 m² | 86 m² | +26 m² +43% | 2023 |
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| 68, Lennard Road881 m away | 169 m² | 195 m² | +26 m² +15% | 2023 |
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| 10, Whittell Gardens840 m away | 90 m² | 116 m² | +26 m² +29% | 2016 |
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| 45b, Sydenham Road301 m away | 70 m² | 95 m² | +25 m² +36% | 2025 |
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| 18, Taylors Lane933 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 161, Lawrie Park Gardens535 m away | 84 m² | 109 m² | +25 m² +30% | 2020 |
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| 2, Crampton Road648 m away | 86 m² | 111 m² | +25 m² +29% | 2019 |
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| 3, Dukesthorpe Road583 m away | 122 m² | 147 m² | +25 m² +20% | 2018 |
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| 19, Charleville Circus818 m away | 44 m² | 69 m² | +25 m² +57% | 2018 |
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| 2, Fransfield Grove966 m away | 130 m² | 155 m² | +25 m² +19% | 2018 |
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| 13, Whittell Gardens840 m away | 79 m² | 104 m² | +25 m² +32% | 2017 |
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| Flat 5, 4, Adamsrill Road905 m away | 47 m² | 72 m² | +25 m² +53% | 2014 |
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| 46b, Sydenham Road294 m away | 55 m² | 79 m² | +24 m² +44% | 2026 |
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| 25, Hazel Grove637 m away | 82 m² | 106 m² | +24 m² +29% | 2025 |
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| 1, Border Road318 m away | 136 m² | 160 m² | +24 m² +18% | 2021 |
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| 27, Albert Road791 m away | 44 m² | 68 m² | +24 m² +55% | 2021 |
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| 18, Highclere Street969 m away | 85 m² | 109 m² | +24 m² +28% | 2021 |
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| Flat 8, Wicklow Court, 45, Lawrie Park Road174 m away | 45 m² | 69 m² | +24 m² +53% | 2018 |
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| Flat 3, 5, Recreation Road629 m away | 57 m² | 81 m² | +24 m² +42% | 2014 |
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| Flat 8, The Arc, 85, Willow Way862 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
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| 1, Mylis Close844 m away | 79 m² | 102 m² | +23 m² +29% | 2023 |
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| 53, Beaulieu Avenue703 m away | 116 m² | 139 m² | +23 m² +20% | 2022 |
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| 98c, Newlands Park225 m away | 59 m² | 82 m² | +23 m² +39% | 2021 |
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| 222, Venner Road467 m away | 118 m² | 141 m² | +23 m² +19% | 2021 |
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| 25, Tennyson Road978 m away | 89 m² | 112 m² | +23 m² +26% | 2021 |
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| Flat 4, 9, St Johns Road792 m away | 37 m² | 60 m² | +23 m² +62% | 2018 |
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| Flat 19, 33, Westwood Hill779 m away | 86 m² | 109 m² | +23 m² +27% | 2014 |
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| Flat 6, 4, Adamsrill Road905 m away | 49 m² | 72 m² | +23 m² +47% | 2014 |
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| 61, Venner Road219 m away | 55 m² | 78 m² | +23 m² +42% | 2010 |
|---|
| 46, Lawrie Park Road264 m away | 79 m² | 101 m² | +22 m² +28% | 2026 |
|---|
| Flat 21, The Firs, 43, Venner Road46 m away | 91 m² | 113 m² | +22 m² +24% | 2025 |
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| 285a, Sydenham Road979 m away | 62 m² | 84 m² | +22 m² +35% | 2022 |
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| Flat 7, 56, Thicket Road930 m away | 41 m² | 63 m² | +22 m² +54% | 2020 |
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| 19, High Street754 m away | 78 m² | 100 m² | +22 m² +28% | 2019 |
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| 112b, Lennard Road978 m away | 90 m² | 112 m² | +22 m² +24% | 2019 |
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| 43, Tannsfeld Road314 m away | 125 m² | 147 m² | +22 m² +18% | 2016 |
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| 14, Beaulieu Avenue712 m away | 114 m² | 136 m² | +22 m² +19% | 2013 |
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| 88, Tannsfeld Road312 m away | 121 m² | 143 m² | +22 m² +18% | 2011 |
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| 91a, Sydenham Road395 m away | 74 m² | 95 m² | +21 m² +28% | 2025 |
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| 14, Parkside Close922 m away | 60 m² | 81 m² | +21 m² +35% | 2025 |
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| 74, Wiverton Road222 m away | 129 m² | 150 m² | +21 m² +16% | 2024 |
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| 11a, Silverdale336 m away | 79 m² | 100 m² | +21 m² +27% | 2024 |
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| 75b, Sydenham Road395 m away | 49 m² | 70 m² | +21 m² +43% | 2024 |
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| 11, Broseley Grove736 m away | 71 m² | 92 m² | +21 m² +30% | 2024 |
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| 8, Queen Adelaide Road803 m away | 85 m² | 106 m² | +21 m² +25% | 2024 |
|---|
| 22, Princethorpe Road532 m away | 140 m² | 161 m² | +21 m² +15% | 2022 |
|---|
| 13, Elvino Road710 m away | 100 m² | 121 m² | +21 m² +21% | 2022 |
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| Flat 4, 69, Crystal Palace Park Road949 m away | 77 m² | 98 m² | +21 m² +27% | 2022 |
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| 4, Lawrie Park Road264 m away | 71 m² | 92 m² | +21 m² +30% | 2021 |
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| 198a, Venner Road467 m away | 66 m² | 87 m² | +21 m² +32% | 2020 |
|---|
| 19, Sunnydene Street920 m away | 82 m² | 103 m² | +21 m² +26% | 2020 |
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| 115, Newlands Park173 m away | 69 m² | 90 m² | +21 m² +30% | 2018 |
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