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 5JA
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 Road537 m away | 139 m² | 300 m² | +161 m² +116% | 2019 |
| 130, Maple Road747 m away | 100 m² | 210 m² | +110 m² +110% | 2014 |
| 88, Venner Road181 m away | 340 m² | 448 m² | +108 m² +32% | 2017 |
| 68, Crystal Palace Park Road815 m away | 148 m² | 246 m² | +98 m² +66% | 2020 |
| 26, Avington Grove642 m away | 192 m² | 290 m² | +98 m² +51% | 2014 |
| 58, Woodbastwick Road686 m away | 130 m² | 226 m² | +96 m² +74% | 2021 |
| 29, Wiverton Road0 m away | 110 m² | 197 m² | +87 m² +79% | 2024 |
| 136, Lennard Road905 m away | 139 m² | 220 m² | +81 m² +58% | 2026 |
| 13, Kingsthorpe Road781 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 Road462 m away | 106 m² | 180 m² | +74 m² +70% | 2026 |
|---|
| 10, Alexandra Road349 m away | 129 m² | 200 m² | +71 m² +55% | 2025 |
|---|
| 59, Anerley Park653 m away | 140 m² | 211 m² | +71 m² +51% | 2024 |
|---|
| 50, Peak Hill971 m away | 69 m² | 139 m² | +70 m² +101% | 2020 |
|---|
| 26, Peak Hill971 m away | 59 m² | 128 m² | +69 m² +117% | 2023 |
|---|
| 43, Homecroft Road419 m away | 66 m² | 133 m² | +67 m² +102% | 2024 |
|---|
| 7, Venner Road485 m away | 67 m² | 134 m² | +67 m² +100% | 2024 |
|---|
| 34, Crystal Palace Park Road537 m away | 216 m² | 283 m² | +67 m² +31% | 2022 |
|---|
| 13, Venner Road485 m away | 45 m² | 109 m² | +64 m² +142% | 2026 |
|---|
| 35, Earlsthorpe Road651 m away | 203 m² | 267 m² | +64 m² +32% | 2020 |
|---|
| 45, Kingsdale Road918 m away | 64 m² | 128 m² | +64 m² +100% | 2020 |
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| 15, Tredown Road305 m away | 128 m² | 191 m² | +63 m² +49% | 2014 |
|---|
| 56, Woodbastwick Road686 m away | 134 m² | 194 m² | +60 m² +45% | 2022 |
|---|
| 14, Tannsfeld Road462 m away | 120 m² | 179 m² | +59 m² +49% | 2020 |
|---|
| 72, Knighton Park Road622 m away | 61 m² | 119 m² | +58 m² +95% | 2022 |
|---|
| 8, Alexandra Road349 m away | 137 m² | 195 m² | +58 m² +42% | 2020 |
|---|
| 91, Knighton Park Road660 m away | 95 m² | 152 m² | +57 m² +60% | 2014 |
|---|
| 263, Kent House Road882 m away | 131 m² | 187 m² | +56 m² +43% | 2024 |
|---|
| 68a, Newlands Park299 m away | 96 m² | 152 m² | +56 m² +58% | 2023 |
|---|
| 90, Lennard Road604 m away | 204 m² | 260 m² | +56 m² +27% | 2018 |
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| 214, Kent House Road821 m away | 120 m² | 175 m² | +55 m² +46% | 2026 |
|---|
| 1, Sydenham Avenue679 m away | 106 m² | 161 m² | +55 m² +52% | 2019 |
|---|
| 7, Alexandra Road349 m away | 135 m² | 189 m² | +54 m² +40% | 2018 |
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| 9, Trewsbury Road604 m away | 165 m² | 219 m² | +54 m² +33% | 2016 |
|---|
| 29, Kingswood Road369 m away | 93 m² | 146 m² | +53 m² +57% | 2026 |
|---|
| 260, Kent House Road821 m away | 113 m² | 166 m² | +53 m² +47% | 2016 |
|---|
| 194, Venner Road137 m away | 127 m² | 179 m² | +52 m² +41% | 2024 |
|---|
| 27, Phoenix Road314 m away | 126 m² | 178 m² | +52 m² +41% | 2024 |
|---|
| 43, Reddons Road979 m away | 181 m² | 233 m² | +52 m² +29% | 2021 |
|---|
| 11, Cator Road434 m away | 265 m² | 317 m² | +52 m² +20% | 2016 |
|---|
| 69, Homecroft Road419 m away | 106 m² | 158 m² | +52 m² +49% | 2014 |
|---|
| 40, Hall Drive654 m away | 186 m² | 237 m² | +51 m² +27% | 2017 |
|---|
| 229, Sydenham Road979 m away | 88 m² | 139 m² | +51 m² +58% | 2016 |
|---|
| 5, Southey Street605 m away | 94 m² | 144 m² | +50 m² +53% | 2025 |
|---|
| 61, Homecroft Road419 m away | 105 m² | 155 m² | +50 m² +48% | 2022 |
|---|
| 18, Queensthorpe Road756 m away | 89 m² | 139 m² | +50 m² +56% | 2022 |
|---|
| 102, Kent House Road870 m away | 132 m² | 182 m² | +50 m² +38% | 2016 |
|---|
| 43b, Wiverton Road0 m away | 63 m² | 113 m² | +50 m² +79% | 2014 |
|---|
| Flat 13, 33, Westwood Hill979 m away | 44 m² | 92 m² | +48 m² +109% | 2024 |
|---|
| 140, Kent House Road771 m away | 139 m² | 187 m² | +48 m² +35% | 2023 |
|---|
| 15, Whateley Road716 m away | 85 m² | 132 m² | +47 m² +55% | 2021 |
|---|
| 131, Parish Lane636 m away | 75 m² | 122 m² | +47 m² +63% | 2017 |
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| 10a, Avington Grove642 m away | 58 m² | 104 m² | +46 m² +79% | 2025 |
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| 25, Collingtree Road935 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 14, Lawrie Park Crescent485 m away | 177 m² | 223 m² | +46 m² +26% | 2022 |
|---|
| 15, Dukesthorpe Road806 m away | 109 m² | 155 m² | +46 m² +42% | 2022 |
|---|
| 4, Tannsfeld Road462 m away | 132 m² | 177 m² | +45 m² +34% | 2021 |
|---|
| 5, Canal Walk478 m away | 78 m² | 123 m² | +45 m² +58% | 2014 |
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| 37, Kingswood Road369 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 96a, Byne Road179 m away | 72 m² | 115 m² | +43 m² +60% | 2021 |
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| 26, Queensthorpe Road756 m away | 204 m² | 247 m² | +43 m² +21% | 2020 |
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| 19, Fairlawn Park979 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
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| 39, Queen Adelaide Road467 m away | 31 m² | 74 m² | +43 m² +139% | 2010 |
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| 4, Studland Road244 m away | 139 m² | 181 m² | +42 m² +30% | 2025 |
|---|
| 18, Green Lane764 m away | 49 m² | 91 m² | +42 m² +86% | 2016 |
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| 95, Wiverton Road167 m away | 134 m² | 176 m² | +42 m² +31% | 2015 |
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| 53, Girton Road509 m away | 89 m² | 130 m² | +41 m² +46% | 2024 |
|---|
| 99, Wiverton Road167 m away | 90 m² | 131 m² | +41 m² +46% | 2017 |
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| 14a, Lawrie Park Avenue701 m away | 45 m² | 86 m² | +41 m² +91% | 2015 |
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| 14, Peak Hill971 m away | 80 m² | 121 m² | +41 m² +51% | 2015 |
|---|
| 11, Lennard Road339 m away | 72 m² | 113 m² | +41 m² +57% | 2014 |
|---|
| 3, Phoenix Road314 m away | 141 m² | 181 m² | +40 m² +28% | 2025 |
|---|
| 1, Lennard Road268 m away | 94 m² | 134 m² | +40 m² +43% | 2024 |
|---|
| 137, Newlands Park355 m away | 111 m² | 151 m² | +40 m² +36% | 2015 |
|---|
| 30, Avington Grove642 m away | 86 m² | 126 m² | +40 m² +47% | 2014 |
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| 29, Princethorpe Road777 m away | 121 m² | 161 m² | +40 m² +33% | 2014 |
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| 71, Kingswood Road369 m away | 88 m² | 127 m² | +39 m² +44% | 2022 |
|---|
| 26, Lawrie Park Avenue701 m away | 217 m² | 256 m² | +39 m² +18% | 2022 |
|---|
| Flat 61, Queen Adelaide Court, Queen Adelaide Road398 m away | 36 m² | 74 m² | +38 m² +106% | 2020 |
|---|
| 181, High Street903 m away | 32 m² | 70 m² | +38 m² +119% | 2019 |
|---|
| 5, Border Road489 m away | 94 m² | 132 m² | +38 m² +40% | 2018 |
|---|
| 88, Lennard Road604 m away | 204 m² | 241 m² | +37 m² +18% | 2023 |
|---|
| 106, Kent House Road870 m away | 177 m² | 214 m² | +37 m² +21% | 2023 |
|---|
| 25, Kingswood Road369 m away | 86 m² | 122 m² | +36 m² +42% | 2025 |
|---|
| 10, Crampton Road396 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 9, Elvino Road678 m away | 100 m² | 136 m² | +36 m² +36% | 2012 |
|---|
| 19, Wiverton Road0 m away | 129 m² | 165 m² | +36 m² +28% | 2010 |
|---|
| Flat 1, Sycamore Court, 7 - 9, Silverdale657 m away | 50 m² | 85 m² | +35 m² +70% | 2026 |
|---|
| 5a, Bishopsthorpe Road885 m away | 110 m² | 145 m² | +35 m² +32% | 2023 |
|---|
| 7, Homecroft Road419 m away | 128 m² | 163 m² | +35 m² +27% | 2015 |
|---|
| 57c, Peak Hill927 m away | 73 m² | 107 m² | +34 m² +47% | 2025 |
|---|
| 31, Girton Road509 m away | 88 m² | 122 m² | +34 m² +39% | 2024 |
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| 7, Girton Road509 m away | 80 m² | 114 m² | +34 m² +43% | 2021 |
|---|
| 55, Wordsworth Road623 m away | 89 m² | 123 m² | +34 m² +38% | 2021 |
|---|
| 70, Anerley Park956 m away | 52 m² | 86 m² | +34 m² +65% | 2010 |
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| 82, Fairlawn Park923 m away | 115 m² | 148 m² | +33 m² +29% | 2025 |
|---|
| 27, Montrave Road433 m away | 135 m² | 168 m² | +33 m² +24% | 2024 |
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| 34, Lawrie Park Gardens595 m away | 85 m² | 118 m² | +33 m² +39% | 2022 |
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| 186, Maple Road649 m away | 53 m² | 86 m² | +33 m² +62% | 2020 |
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| 5, Beckett Walk897 m away | 47 m² | 80 m² | +33 m² +70% | 2013 |
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| 114, Anerley Park653 m away | 125 m² | 157 m² | +32 m² +26% | 2026 |
|---|
| 33, Girton Road509 m away | 92 m² | 124 m² | +32 m² +35% | 2024 |
|---|
| 58, Kingswood Road370 m away | 117 m² | 149 m² | +32 m² +27% | 2023 |
|---|
| 130, Lennard Road905 m away | 68 m² | 100 m² | +32 m² +47% | 2022 |
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| 1, Wiverton Road0 m away | 129 m² | 160 m² | +31 m² +24% | 2025 |
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| 31, Torr Road848 m away | 86 m² | 117 m² | +31 m² +36% | 2023 |
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| Ground Floor, 44, Wiverton Road40 m away | 53 m² | 84 m² | +31 m² +58% | 2022 |
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| Flat 4, 47, Newlands Park87 m away | 32 m² | 63 m² | +31 m² +97% | 2016 |
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| 49b, Anerley Park956 m away | 80 m² | 111 m² | +31 m² +39% | 2015 |
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| 30, Parish Lane354 m away | 42 m² | 73 m² | +31 m² +74% | 2010 |
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| 2, Lennard Terrace261 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 5, Elvino Road678 m away | 105 m² | 135 m² | +30 m² +29% | 2020 |
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| 15, Green Lane764 m away | 111 m² | 141 m² | +30 m² +27% | 2015 |
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| 43, Hall Drive604 m away | 132 m² | 162 m² | +30 m² +23% | 2014 |
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| 59, Peak Hill927 m away | 161 m² | 191 m² | +30 m² +19% | 2014 |
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| 62, Knighton Park Road622 m away | 136 m² | 165 m² | +29 m² +21% | 2025 |
|---|
| 22a, Avington Grove642 m away | 35 m² | 64 m² | +29 m² +83% | 2022 |
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| 51, Beaulieu Avenue963 m away | 131 m² | 160 m² | +29 m² +22% | 2014 |
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| 135, Hazel Grove888 m away | 66 m² | 95 m² | +29 m² +44% | 2012 |
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| 87, Sydenham Road620 m away | 57 m² | 86 m² | +29 m² +51% | 2010 |
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| Flat 11, York House, Lawrie Park Road513 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 50c, Thicket Road757 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
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| 35a, Tredown Road305 m away | 37 m² | 65 m² | +28 m² +76% | 2021 |
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| Flat 3, Aintree House, Park Court454 m away | 46 m² | 74 m² | +28 m² +61% | 2019 |
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| Flat 9, Coniston Court, Springfield Road406 m away | 45 m² | 73 m² | +28 m² +62% | 2018 |
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| 159b, Venner Road122 m away | 53 m² | 81 m² | +28 m² +53% | 2017 |
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| 28, Green Lane799 m away | 88 m² | 116 m² | +28 m² +32% | 2015 |
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| 51, Kent House Road843 m away | 73 m² | 101 m² | +28 m² +38% | 2014 |
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| 23, Venner Road485 m away | 57 m² | 85 m² | +28 m² +49% | 2010 |
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| Flat 10, Queen Adelaide Court, Queen Adelaide Road434 m away | 45 m² | 72 m² | +27 m² +60% | 2025 |
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| Flat 10, 2 - 4, Trewsbury Road596 m away | 118 m² | 145 m² | +27 m² +23% | 2025 |
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| 70, Wordsworth Road657 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
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| 49b, Parish Lane361 m away | 41 m² | 68 m² | +27 m² +66% | 2022 |
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| 36, Somerville Road724 m away | 95 m² | 122 m² | +27 m² +28% | 2022 |
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| 198b, Venner Road137 m away | 47 m² | 74 m² | +27 m² +57% | 2014 |
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| 19, Watlington Grove923 m away | 91 m² | 117 m² | +26 m² +29% | 2026 |
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| Flat 5, Parcell House, Newlands Park158 m away | 56 m² | 82 m² | +26 m² +46% | 2025 |
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| Flat 5, 101a, Parish Lane895 m away | 36 m² | 62 m² | +26 m² +72% | 2025 |
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| 68, Lennard Road604 m away | 169 m² | 195 m² | +26 m² +15% | 2023 |
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| 56a, Knighton Park Road622 m away | 60 m² | 86 m² | +26 m² +43% | 2023 |
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| 23, Cottingham Road849 m away | 78 m² | 104 m² | +26 m² +33% | 2022 |
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| Flat 6, Strood House, Evelina Road806 m away | 19 m² | 45 m² | +26 m² +137% | 2020 |
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| 45b, Sydenham Road598 m away | 70 m² | 95 m² | +25 m² +36% | 2025 |
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| 22, Green Lane764 m away | 42 m² | 67 m² | +25 m² +60% | 2020 |
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| 161, Lawrie Park Gardens775 m away | 84 m² | 109 m² | +25 m² +30% | 2020 |
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| 3, Dukesthorpe Road806 m away | 122 m² | 147 m² | +25 m² +20% | 2018 |
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| 19, Charleville Circus991 m away | 44 m² | 69 m² | +25 m² +57% | 2018 |
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| 8, Green Lane764 m away | 83 m² | 108 m² | +25 m² +30% | 2009 |
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| 46b, Sydenham Road551 m away | 55 m² | 79 m² | +24 m² +44% | 2026 |
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| 24, Trenholme Road948 m away | 75 m² | 99 m² | +24 m² +32% | 2026 |
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| 25, Hazel Grove805 m away | 82 m² | 106 m² | +24 m² +29% | 2025 |
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| 27, Albert Road470 m away | 44 m² | 68 m² | +24 m² +55% | 2021 |
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| 1, Border Road489 m away | 136 m² | 160 m² | +24 m² +18% | 2021 |
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| Flat 8, Wicklow Court, 45, Lawrie Park Road376 m away | 45 m² | 69 m² | +24 m² +53% | 2018 |
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| Flat 5, 26, Chestnut Grove975 m away | 45 m² | 69 m² | +24 m² +53% | 2017 |
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| 93, Tannsfeld Road375 m away | 91 m² | 115 m² | +24 m² +26% | 2015 |
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| Flat 3, 5, Recreation Road937 m away | 57 m² | 81 m² | +24 m² +42% | 2014 |
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| 25, Whateley Road716 m away | 90 m² | 113 m² | +23 m² +26% | 2026 |
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| 152, Maple Road747 m away | 52 m² | 75 m² | +23 m² +44% | 2025 |
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| 53, Beaulieu Avenue963 m away | 116 m² | 139 m² | +23 m² +20% | 2022 |
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| 222, Venner Road137 m away | 118 m² | 141 m² | +23 m² +19% | 2021 |
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| 98c, Newlands Park439 m away | 59 m² | 82 m² | +23 m² +39% | 2021 |
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| 25, Tennyson Road673 m away | 89 m² | 112 m² | +23 m² +26% | 2021 |
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| Flat 4, 9, St Johns Road471 m away | 37 m² | 60 m² | +23 m² +62% | 2018 |
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| Flat 10, Golden Mews, 15, Howard Road999 m away | 71 m² | 94 m² | +23 m² +32% | 2018 |
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| Flat 19, 33, Westwood Hill979 m away | 86 m² | 109 m² | +23 m² +27% | 2014 |
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| 61, Venner Road134 m away | 55 m² | 78 m² | +23 m² +42% | 2010 |
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| 46, Lawrie Park Road576 m away | 79 m² | 101 m² | +22 m² +28% | 2026 |
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| Flat 21, The Firs, 43, Venner Road341 m away | 91 m² | 113 m² | +22 m² +24% | 2025 |
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| 11, Trenholme Road948 m away | 87 m² | 109 m² | +22 m² +25% | 2023 |
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| Flat 7, 56, Thicket Road757 m away | 41 m² | 63 m² | +22 m² +54% | 2020 |
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| 7a, Howard Road999 m away | 85 m² | 107 m² | +22 m² +26% | 2020 |
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| 19, High Street498 m away | 78 m² | 100 m² | +22 m² +28% | 2019 |
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| 112b, Lennard Road727 m away | 90 m² | 112 m² | +22 m² +24% | 2019 |
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| 43, Tannsfeld Road480 m away | 125 m² | 147 m² | +22 m² +18% | 2016 |
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| 3, Tennyson Road673 m away | 49 m² | 71 m² | +22 m² +45% | 2016 |
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| 88, Tannsfeld Road350 m away | 121 m² | 143 m² | +22 m² +18% | 2011 |
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| 14, Parkside Close599 m away | 60 m² | 81 m² | +21 m² +35% | 2025 |
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| 91a, Sydenham Road620 m away | 74 m² | 95 m² | +21 m² +28% | 2025 |
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| 74, Wiverton Road200 m away | 129 m² | 150 m² | +21 m² +16% | 2024 |
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| 8, Queen Adelaide Road467 m away | 85 m² | 106 m² | +21 m² +25% | 2024 |
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| 75b, Sydenham Road620 m away | 49 m² | 70 m² | +21 m² +43% | 2024 |
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| 11a, Silverdale657 m away | 79 m² | 100 m² | +21 m² +27% | 2024 |
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| 11, Broseley Grove733 m away | 71 m² | 92 m² | +21 m² +30% | 2024 |
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| 13, Elvino Road678 m away | 100 m² | 121 m² | +21 m² +21% | 2022 |
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| 22, Princethorpe Road777 m away | 140 m² | 161 m² | +21 m² +15% | 2022 |
|---|
| 35, Cottingham Road849 m away | 78 m² | 99 m² | +21 m² +27% | 2022 |
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| 4, Lawrie Park Road576 m away | 71 m² | 92 m² | +21 m² +30% | 2021 |
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| 198a, Venner Road137 m away | 66 m² | 87 m² | +21 m² +32% | 2020 |
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| 115, Newlands Park355 m away | 69 m² | 90 m² | +21 m² +30% | 2018 |
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| 10, Graveney Grove880 m away | 82 m² | 103 m² | +21 m² +26% | 2014 |
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| 59, Edward Road524 m away | 65 m² | 85 m² | +20 m² +31% | 2025 |
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| 78, Fairlawn Park923 m away | 36 m² | 56 m² | +20 m² +56% | 2024 |
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| 58, Byne Road179 m away | 128 m² | 148 m² | +20 m² +16% | 2023 |
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| 81a, Kent House Road843 m away | 128 m² | 148 m² | +20 m² +16% | 2023 |
|---|
| 14, Green Lane764 m away | 118 m² | 138 m² | +20 m² +17% | 2022 |
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| 16a, Avington Grove642 m away | 84 m² | 104 m² | +20 m² +24% | 2021 |
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| 23, Lyric Mews647 m away | 41 m² | 61 m² | +20 m² +49% | 2021 |
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| Flat 7, 1, Recreation Road937 m away | 88 m² | 108 m² | +20 m² +23% | 2021 |
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| 47a, Anerley Park956 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
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| 41a, Bishopsthorpe Road921 m away | 85 m² | 105 m² | +20 m² +24% | 2020 |
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