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 4SD
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 Road782 m away | 139 m² | 300 m² | +161 m² +116% | 2019 |
| 88, Venner Road536 m away | 340 m² | 448 m² | +108 m² +32% | 2017 |
| 68, Crystal Palace Park Road835 m away | 148 m² | 246 m² | +98 m² +66% | 2020 |
| 58, Woodbastwick Road856 m away | 130 m² | 226 m² | +96 m² +74% | 2021 |
| 5, Hennel Close689 m away | 94 m² | 188 m² | +94 m² +100% | 2026 |
| 99, Dacres Road627 m away | 116 m² | 207 m² | +91 m² +78% | 2014 |
| 29, Wiverton Road657 m away | 110 m² | 197 m² | +87 m² +79% | 2024 |
| 41, Carlton Terrace503 m away | 128 m² | 208 m² | +80 m² +63% | 2019 |
| 13, Kingsthorpe Road268 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 Road302 m away | 106 m² | 180 m² | +74 m² +70% | 2026 |
|---|
| 10, Alexandra Road870 m away | 129 m² | 200 m² | +71 m² +55% | 2025 |
|---|
| 9, Burghill Road675 m away | 161 m² | 231 m² | +70 m² +43% | 2022 |
|---|
| 50, Peak Hill367 m away | 69 m² | 139 m² | +70 m² +101% | 2020 |
|---|
| 26, Peak Hill367 m away | 59 m² | 128 m² | +69 m² +117% | 2023 |
|---|
| 7, Venner Road172 m away | 67 m² | 134 m² | +67 m² +100% | 2024 |
|---|
| 43, Homecroft Road240 m away | 66 m² | 133 m² | +67 m² +102% | 2024 |
|---|
| 34, Crystal Palace Park Road782 m away | 216 m² | 283 m² | +67 m² +31% | 2022 |
|---|
| 2a, Elderton Road863 m away | 58 m² | 123 m² | +65 m² +112% | 2016 |
|---|
| 13, Venner Road172 m away | 45 m² | 109 m² | +64 m² +142% | 2026 |
|---|
| 35, Earlsthorpe Road260 m away | 203 m² | 267 m² | +64 m² +32% | 2020 |
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| 15, Tredown Road368 m away | 128 m² | 191 m² | +63 m² +49% | 2014 |
|---|
| 2, Rosamond Street920 m away | 79 m² | 140 m² | +61 m² +77% | 2024 |
|---|
| 56, Woodbastwick Road856 m away | 134 m² | 194 m² | +60 m² +45% | 2022 |
|---|
| 14, Tannsfeld Road302 m away | 120 m² | 179 m² | +59 m² +49% | 2020 |
|---|
| 72, Knighton Park Road657 m away | 61 m² | 119 m² | +58 m² +95% | 2022 |
|---|
| 8, Alexandra Road870 m away | 137 m² | 195 m² | +58 m² +42% | 2020 |
|---|
| 45, Kirkdale975 m away | 90 m² | 147 m² | +57 m² +63% | 2024 |
|---|
| 91, Knighton Park Road689 m away | 95 m² | 152 m² | +57 m² +60% | 2014 |
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| 99, Longton Grove697 m away | 51 m² | 108 m² | +57 m² +112% | 2013 |
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| 68a, Newlands Park452 m away | 96 m² | 152 m² | +56 m² +58% | 2023 |
|---|
| 1, Sydenham Avenue752 m away | 106 m² | 161 m² | +55 m² +52% | 2019 |
|---|
| 176, Fairlawn Park874 m away | 121 m² | 175 m² | +54 m² +45% | 2022 |
|---|
| 7, Alexandra Road870 m away | 135 m² | 189 m² | +54 m² +40% | 2018 |
|---|
| 9, Trewsbury Road582 m away | 165 m² | 219 m² | +54 m² +33% | 2016 |
|---|
| 29, Kingswood Road979 m away | 93 m² | 146 m² | +53 m² +57% | 2026 |
|---|
| 7, Whittell Gardens537 m away | 86 m² | 139 m² | +53 m² +62% | 2014 |
|---|
| 96a, Crystal Palace Park Road967 m away | 62 m² | 115 m² | +53 m² +85% | 2013 |
|---|
| 194, Venner Road793 m away | 127 m² | 179 m² | +52 m² +41% | 2024 |
|---|
| 27, Phoenix Road966 m away | 126 m² | 178 m² | +52 m² +41% | 2024 |
|---|
| 40, Whittell Gardens537 m away | 79 m² | 131 m² | +52 m² +66% | 2017 |
|---|
| 11, Cator Road795 m away | 265 m² | 317 m² | +52 m² +20% | 2016 |
|---|
| 69, Homecroft Road240 m away | 106 m² | 158 m² | +52 m² +49% | 2014 |
|---|
| 40, Hall Drive376 m away | 186 m² | 237 m² | +51 m² +27% | 2017 |
|---|
| 229, Sydenham Road766 m away | 88 m² | 139 m² | +51 m² +58% | 2016 |
|---|
| 18, Queensthorpe Road204 m away | 89 m² | 139 m² | +50 m² +56% | 2022 |
|---|
| 61, Homecroft Road240 m away | 105 m² | 155 m² | +50 m² +48% | 2022 |
|---|
| 43b, Wiverton Road657 m away | 63 m² | 113 m² | +50 m² +79% | 2014 |
|---|
| Flat 13, 33, Westwood Hill833 m away | 44 m² | 92 m² | +48 m² +109% | 2024 |
|---|
| 25, Queenswood Road916 m away | 91 m² | 138 m² | +47 m² +52% | 2022 |
|---|
| 8, Roundhay Close965 m away | 79 m² | 126 m² | +47 m² +59% | 2021 |
|---|
| 20, Whittell Gardens537 m away | 86 m² | 133 m² | +47 m² +55% | 2019 |
|---|
| 25, Collingtree Road341 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 15, Dukesthorpe Road366 m away | 109 m² | 155 m² | +46 m² +42% | 2022 |
|---|
| 14, Lawrie Park Crescent611 m away | 177 m² | 223 m² | +46 m² +26% | 2022 |
|---|
| 23, Fransfield Grove759 m away | 38 m² | 84 m² | +46 m² +121% | 2010 |
|---|
| 4, Tannsfeld Road302 m away | 132 m² | 177 m² | +45 m² +34% | 2021 |
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| 5, Canal Walk199 m away | 78 m² | 123 m² | +45 m² +58% | 2014 |
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| 109, Sydenham Park Road469 m away | 85 m² | 129 m² | +44 m² +52% | 2024 |
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| 66, De Frene Road943 m away | 80 m² | 124 m² | +44 m² +55% | 2023 |
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| 37, Kingswood Road979 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
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| 96a, Byne Road479 m away | 72 m² | 115 m² | +43 m² +60% | 2021 |
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| 26, Queensthorpe Road204 m away | 204 m² | 247 m² | +43 m² +21% | 2020 |
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| 37, Cheseman Street838 m away | 146 m² | 189 m² | +43 m² +29% | 2020 |
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| 19, Fairlawn Park891 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
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| 94, Crystal Palace Park Road967 m away | 75 m² | 118 m² | +43 m² +57% | 2013 |
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| 4, Studland Road586 m away | 139 m² | 181 m² | +42 m² +30% | 2025 |
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| 95, Wiverton Road497 m away | 134 m² | 176 m² | +42 m² +31% | 2015 |
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| 53, Girton Road410 m away | 89 m² | 130 m² | +41 m² +46% | 2024 |
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| 157, Sydenham Park Road469 m away | 110 m² | 151 m² | +41 m² +37% | 2023 |
|---|
| 99, Wiverton Road497 m away | 90 m² | 131 m² | +41 m² +46% | 2017 |
|---|
| 14, Peak Hill367 m away | 80 m² | 121 m² | +41 m² +51% | 2015 |
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| 14a, Lawrie Park Avenue509 m away | 45 m² | 86 m² | +41 m² +91% | 2015 |
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| 11, Lennard Road940 m away | 72 m² | 113 m² | +41 m² +57% | 2014 |
|---|
| A home on Panmure Road983 m away | 215 m² | 255 m² | +40 m² +19% | 2026 |
|---|
| 3, Phoenix Road966 m away | 141 m² | 181 m² | +40 m² +28% | 2025 |
|---|
| 1, Lennard Road874 m away | 94 m² | 134 m² | +40 m² +43% | 2024 |
|---|
| 137, Newlands Park333 m away | 111 m² | 151 m² | +40 m² +36% | 2015 |
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| 29, Princethorpe Road295 m away | 121 m² | 161 m² | +40 m² +33% | 2014 |
|---|
| Flat 3, 32, Sydenham Park569 m away | 63 m² | 102 m² | +39 m² +62% | 2025 |
|---|
| 26, Lawrie Park Avenue509 m away | 217 m² | 256 m² | +39 m² +18% | 2022 |
|---|
| 71, Kingswood Road979 m away | 88 m² | 127 m² | +39 m² +44% | 2022 |
|---|
| 287c, Sydenham Road931 m away | 45 m² | 83 m² | +38 m² +84% | 2026 |
|---|
| 5, Border Road528 m away | 94 m² | 132 m² | +38 m² +40% | 2018 |
|---|
| 14, Longton Avenue829 m away | 66 m² | 104 m² | +38 m² +58% | 2016 |
|---|
| 63, Queenswood Road916 m away | 142 m² | 179 m² | +37 m² +26% | 2019 |
|---|
| 22, Fransfield Grove759 m away | 43 m² | 80 m² | +37 m² +86% | 2011 |
|---|
| 25, Kingswood Road979 m away | 86 m² | 122 m² | +36 m² +42% | 2025 |
|---|
| 10, Crampton Road983 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 3, The Peak444 m away | 86 m² | 122 m² | +36 m² +42% | 2022 |
|---|
| 18, Rosamond Street920 m away | 81 m² | 117 m² | +36 m² +44% | 2018 |
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| 32, De Frene Road760 m away | 93 m² | 129 m² | +36 m² +39% | 2017 |
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| 9, Elvino Road758 m away | 100 m² | 136 m² | +36 m² +36% | 2012 |
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| 19, Wiverton Road657 m away | 129 m² | 165 m² | +36 m² +28% | 2010 |
|---|
| 12, Mount Ash Road997 m away | 79 m² | 115 m² | +36 m² +46% | 2010 |
|---|
| Flat 1, Sycamore Court, 7 - 9, Silverdale0 m away | 50 m² | 85 m² | +35 m² +70% | 2026 |
|---|
| Flat 5, 8, Wells Park Road628 m away | 26 m² | 61 m² | +35 m² +135% | 2026 |
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| 71b, Mayow Road605 m away | 96 m² | 131 m² | +35 m² +36% | 2024 |
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| 5a, Bishopsthorpe Road299 m away | 110 m² | 145 m² | +35 m² +32% | 2023 |
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| 279, Sydenham Road843 m away | 46 m² | 81 m² | +35 m² +76% | 2016 |
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| 7, Homecroft Road240 m away | 128 m² | 163 m² | +35 m² +27% | 2015 |
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| 55, Longton Grove697 m away | 109 m² | 144 m² | +35 m² +32% | 2013 |
|---|
| 75, Longfield Crescent829 m away | 73 m² | 108 m² | +35 m² +48% | 2011 |
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| 57c, Peak Hill284 m away | 73 m² | 107 m² | +34 m² +47% | 2025 |
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| 31, Girton Road410 m away | 88 m² | 122 m² | +34 m² +39% | 2024 |
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| 7, Girton Road410 m away | 80 m² | 114 m² | +34 m² +43% | 2021 |
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| 28, Beaulieu Avenue608 m away | 141 m² | 175 m² | +34 m² +24% | 2014 |
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| 45, Mayow Road782 m away | 105 m² | 139 m² | +34 m² +32% | 2013 |
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| 82, Fairlawn Park883 m away | 115 m² | 148 m² | +33 m² +29% | 2025 |
|---|
| 100, Sydenham Park Road414 m away | 95 m² | 128 m² | +33 m² +35% | 2022 |
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| 34, Lawrie Park Gardens512 m away | 85 m² | 118 m² | +33 m² +39% | 2022 |
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| 116c, Crystal Palace Park Road967 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
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| 35, Acorn Way785 m away | 74 m² | 107 m² | +33 m² +45% | 2021 |
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| 31, Dacres Road834 m away | 72 m² | 105 m² | +33 m² +46% | 2019 |
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| 8, The Peak444 m away | 102 m² | 134 m² | +32 m² +31% | 2026 |
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| 33, Girton Road410 m away | 92 m² | 124 m² | +32 m² +35% | 2024 |
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| 58, Kingswood Road993 m away | 117 m² | 149 m² | +32 m² +27% | 2023 |
|---|
| 63, Highclere Street781 m away | 74 m² | 106 m² | +32 m² +43% | 2020 |
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| 5, Sandown Court791 m away | 58 m² | 90 m² | +32 m² +55% | 2019 |
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| 53, Chelsfield Gardens584 m away | 80 m² | 112 m² | +32 m² +40% | 2014 |
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| 1, Wiverton Road657 m away | 129 m² | 160 m² | +31 m² +24% | 2025 |
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| 32, Hyndewood688 m away | 103 m² | 134 m² | +31 m² +30% | 2024 |
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| Ground Floor, 44, Wiverton Road660 m away | 53 m² | 84 m² | +31 m² +58% | 2022 |
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| 13a, Cheseman Street838 m away | 49 m² | 80 m² | +31 m² +63% | 2021 |
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| Flat 4, 47, Newlands Park686 m away | 32 m² | 63 m² | +31 m² +97% | 2016 |
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| 30, Parish Lane983 m away | 42 m² | 73 m² | +31 m² +74% | 2010 |
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| 31, Adamsrill Road779 m away | 74 m² | 104 m² | +30 m² +41% | 2021 |
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| 5, Elvino Road758 m away | 105 m² | 135 m² | +30 m² +29% | 2020 |
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| 2, Lennard Terrace891 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 59, Peak Hill284 m away | 161 m² | 191 m² | +30 m² +19% | 2014 |
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| 43, Hall Drive352 m away | 132 m² | 162 m² | +30 m² +23% | 2014 |
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| Flat 4, 111, Dartmouth Road922 m away | 42 m² | 72 m² | +30 m² +71% | 2013 |
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| 40a, Highclere Street799 m away | 48 m² | 77 m² | +29 m² +60% | 2026 |
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| 62, Knighton Park Road657 m away | 136 m² | 165 m² | +29 m² +21% | 2025 |
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| 49, Highclere Street781 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 111, Longton Grove697 m away | 93 m² | 122 m² | +29 m² +31% | 2022 |
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| 9, Highclere Street781 m away | 78 m² | 107 m² | +29 m² +37% | 2016 |
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| 51, Beaulieu Avenue677 m away | 131 m² | 160 m² | +29 m² +22% | 2014 |
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| 135, Hazel Grove520 m away | 66 m² | 95 m² | +29 m² +44% | 2012 |
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| 87, Sydenham Road256 m away | 57 m² | 86 m² | +29 m² +51% | 2010 |
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| 81, Queenswood Road916 m away | 127 m² | 155 m² | +28 m² +22% | 2026 |
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| Flat 11, York House, Lawrie Park Road343 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 43, Panmure Road983 m away | 133 m² | 161 m² | +28 m² +21% | 2022 |
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| 35a, Tredown Road368 m away | 37 m² | 65 m² | +28 m² +76% | 2021 |
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| Flat 3, Aintree House, Park Court852 m away | 46 m² | 74 m² | +28 m² +61% | 2019 |
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| Flat 9, Coniston Court, Springfield Road748 m away | 45 m² | 73 m² | +28 m² +62% | 2018 |
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| 159b, Venner Road777 m away | 53 m² | 81 m² | +28 m² +53% | 2017 |
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| 51, Kent House Road816 m away | 73 m² | 101 m² | +28 m² +38% | 2014 |
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| 23, Venner Road172 m away | 57 m² | 85 m² | +28 m² +49% | 2010 |
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| 105, De Frene Road930 m away | 125 m² | 152 m² | +27 m² +22% | 2026 |
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| Flat 10, 2 - 4, Trewsbury Road491 m away | 118 m² | 145 m² | +27 m² +23% | 2025 |
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| 49b, Parish Lane975 m away | 41 m² | 68 m² | +27 m² +66% | 2022 |
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| 69, Larkbere Road863 m away | 83 m² | 110 m² | +27 m² +33% | 2021 |
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| 198b, Venner Road793 m away | 47 m² | 74 m² | +27 m² +57% | 2014 |
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| 19, Watlington Grove794 m away | 91 m² | 117 m² | +26 m² +29% | 2026 |
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| Flat 5, Parcell House, Newlands Park786 m away | 56 m² | 82 m² | +26 m² +46% | 2025 |
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| 61, Queenswood Road916 m away | 123 m² | 149 m² | +26 m² +21% | 2025 |
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| 56a, Knighton Park Road657 m away | 60 m² | 86 m² | +26 m² +43% | 2023 |
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| 8, Mayow Road822 m away | 69 m² | 95 m² | +26 m² +38% | 2021 |
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| 10, Whittell Gardens537 m away | 90 m² | 116 m² | +26 m² +29% | 2016 |
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| 45b, Sydenham Road97 m away | 70 m² | 95 m² | +25 m² +36% | 2025 |
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| 18, Taylors Lane883 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 161, Lawrie Park Gardens581 m away | 84 m² | 109 m² | +25 m² +30% | 2020 |
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| 32, Dacres Road885 m away | 55 m² | 80 m² | +25 m² +45% | 2020 |
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| 11, Charlecote Grove971 m away | 85 m² | 110 m² | +25 m² +29% | 2019 |
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| 3, Dukesthorpe Road366 m away | 122 m² | 147 m² | +25 m² +20% | 2018 |
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| 2, Fransfield Grove759 m away | 130 m² | 155 m² | +25 m² +19% | 2018 |
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| 19, Charleville Circus901 m away | 44 m² | 69 m² | +25 m² +57% | 2018 |
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| 13, Whittell Gardens537 m away | 79 m² | 104 m² | +25 m² +32% | 2017 |
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| 3, Dacres Road971 m away | 95 m² | 120 m² | +25 m² +26% | 2015 |
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| Flat 5, 4, Adamsrill Road663 m away | 47 m² | 72 m² | +25 m² +53% | 2014 |
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| 46b, Sydenham Road187 m away | 55 m² | 79 m² | +24 m² +44% | 2026 |
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| 167, Dartmouth Road790 m away | 74 m² | 98 m² | +24 m² +32% | 2026 |
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| 25, Hazel Grove483 m away | 82 m² | 106 m² | +24 m² +29% | 2025 |
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| Flat C, 41, Mayow Road782 m away | 33 m² | 57 m² | +24 m² +73% | 2024 |
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| 1, Border Road528 m away | 136 m² | 160 m² | +24 m² +18% | 2021 |
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| 18, Highclere Street799 m away | 85 m² | 109 m² | +24 m² +28% | 2021 |
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| Flat 6, 26, Inglemere Road819 m away | 48 m² | 72 m² | +24 m² +50% | 2019 |
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| Flat 8, Wicklow Court, 45, Lawrie Park Road440 m away | 45 m² | 69 m² | +24 m² +53% | 2018 |
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| 93, Tannsfeld Road490 m away | 91 m² | 115 m² | +24 m² +26% | 2015 |
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| Flat 3, 5, Recreation Road295 m away | 57 m² | 81 m² | +24 m² +42% | 2014 |
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| 9a, Hyndewood731 m away | 83 m² | 107 m² | +24 m² +29% | 2010 |
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| Flat 8, The Arc, 85, Willow Way622 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
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| 40, Larkbere Road904 m away | 78 m² | 101 m² | +23 m² +29% | 2025 |
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| 1, Mylis Close710 m away | 79 m² | 102 m² | +23 m² +29% | 2023 |
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| 53, Beaulieu Avenue677 m away | 116 m² | 139 m² | +23 m² +20% | 2022 |
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| 98c, Newlands Park275 m away | 59 m² | 82 m² | +23 m² +39% | 2021 |
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| 222, Venner Road793 m away | 118 m² | 141 m² | +23 m² +19% | 2021 |
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| 46, Larkbere Road904 m away | 77 m² | 100 m² | +23 m² +30% | 2021 |
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| Flat 6, 4, Adamsrill Road663 m away | 49 m² | 72 m² | +23 m² +47% | 2014 |
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| Flat 19, 33, Westwood Hill833 m away | 86 m² | 109 m² | +23 m² +27% | 2014 |
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| 12, Charlecote Grove971 m away | 101 m² | 124 m² | +23 m² +23% | 2013 |
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| 61, Venner Road553 m away | 55 m² | 78 m² | +23 m² +42% | 2010 |
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| 46, Lawrie Park Road295 m away | 79 m² | 101 m² | +22 m² +28% | 2026 |
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| Flat 21, The Firs, 43, Venner Road318 m away | 91 m² | 113 m² | +22 m² +24% | 2025 |
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| 3, Sandown Court791 m away | 59 m² | 81 m² | +22 m² +37% | 2025 |
|---|
| 59, Queenswood Road916 m away | 112 m² | 134 m² | +22 m² +20% | 2025 |
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| 285a, Sydenham Road843 m away | 62 m² | 84 m² | +22 m² +35% | 2022 |
|---|
| 39, Adamsrill Road779 m away | 35 m² | 57 m² | +22 m² +63% | 2019 |
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| 43, Tannsfeld Road328 m away | 125 m² | 147 m² | +22 m² +18% | 2016 |
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| 23, Champion Road923 m away | 61 m² | 83 m² | +22 m² +36% | 2016 |
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