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 5PP
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 Road683 m away | 139 m² | 300 m² | +161 m² +116% | 2019 |
| 88, Venner Road303 m away | 340 m² | 448 m² | +108 m² +32% | 2017 |
| 68, Crystal Palace Park Road859 m away | 148 m² | 246 m² | +98 m² +66% | 2020 |
| 26, Avington Grove996 m away | 192 m² | 290 m² | +98 m² +51% | 2014 |
| 58, Woodbastwick Road610 m away | 130 m² | 226 m² | +96 m² +74% | 2021 |
| 99, Dacres Road880 m away | 116 m² | 207 m² | +91 m² +78% | 2014 |
| 29, Wiverton Road355 m away | 110 m² | 197 m² | +87 m² +79% | 2024 |
| 41, Carlton Terrace829 m away | 128 m² | 208 m² | +80 m² +63% | 2019 |
| 13, Kingsthorpe Road427 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 Road120 m away | 106 m² | 180 m² | +74 m² +70% | 2026 |
|---|
| 10, Alexandra Road538 m away | 129 m² | 200 m² | +71 m² +55% | 2025 |
|---|
| 59, Anerley Park975 m away | 140 m² | 211 m² | +71 m² +51% | 2024 |
|---|
| 9, Burghill Road769 m away | 161 m² | 231 m² | +70 m² +43% | 2022 |
|---|
| 50, Peak Hill689 m away | 69 m² | 139 m² | +70 m² +101% | 2020 |
|---|
| 26, Peak Hill689 m away | 59 m² | 128 m² | +69 m² +117% | 2023 |
|---|
| 43, Homecroft Road107 m away | 66 m² | 133 m² | +67 m² +102% | 2024 |
|---|
| 7, Venner Road183 m away | 67 m² | 134 m² | +67 m² +100% | 2024 |
|---|
| 34, Crystal Palace Park Road683 m away | 216 m² | 283 m² | +67 m² +31% | 2022 |
|---|
| 2a, Elderton Road863 m away | 58 m² | 123 m² | +65 m² +112% | 2016 |
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| 13, Venner Road183 m away | 45 m² | 109 m² | +64 m² +142% | 2026 |
|---|
| 35, Earlsthorpe Road301 m away | 203 m² | 267 m² | +64 m² +32% | 2020 |
|---|
| 15, Tredown Road53 m away | 128 m² | 191 m² | +63 m² +49% | 2014 |
|---|
| 56, Woodbastwick Road610 m away | 134 m² | 194 m² | +60 m² +45% | 2022 |
|---|
| 14, Tannsfeld Road120 m away | 120 m² | 179 m² | +59 m² +49% | 2020 |
|---|
| 72, Knighton Park Road449 m away | 61 m² | 119 m² | +58 m² +95% | 2022 |
|---|
| 8, Alexandra Road538 m away | 137 m² | 195 m² | +58 m² +42% | 2020 |
|---|
| 91, Knighton Park Road489 m away | 95 m² | 152 m² | +57 m² +60% | 2014 |
|---|
| 99, Longton Grove897 m away | 51 m² | 108 m² | +57 m² +112% | 2013 |
|---|
| 68a, Newlands Park124 m away | 96 m² | 152 m² | +56 m² +58% | 2023 |
|---|
| 90, Lennard Road791 m away | 204 m² | 260 m² | +56 m² +27% | 2018 |
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| 1, Sydenham Avenue739 m away | 106 m² | 161 m² | +55 m² +52% | 2019 |
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| 176, Fairlawn Park798 m away | 121 m² | 175 m² | +54 m² +45% | 2022 |
|---|
| 7, Alexandra Road538 m away | 135 m² | 189 m² | +54 m² +40% | 2018 |
|---|
| 9, Trewsbury Road392 m away | 165 m² | 219 m² | +54 m² +33% | 2016 |
|---|
| 29, Kingswood Road713 m away | 93 m² | 146 m² | +53 m² +57% | 2026 |
|---|
| 7, Whittell Gardens869 m away | 86 m² | 139 m² | +53 m² +62% | 2014 |
|---|
| 194, Venner Road491 m away | 127 m² | 179 m² | +52 m² +41% | 2024 |
|---|
| 27, Phoenix Road669 m away | 126 m² | 178 m² | +52 m² +41% | 2024 |
|---|
| 40, Whittell Gardens869 m away | 79 m² | 131 m² | +52 m² +66% | 2017 |
|---|
| 11, Cator Road482 m away | 265 m² | 317 m² | +52 m² +20% | 2016 |
|---|
| 69, Homecroft Road107 m away | 106 m² | 158 m² | +52 m² +49% | 2014 |
|---|
| 40, Hall Drive506 m away | 186 m² | 237 m² | +51 m² +27% | 2017 |
|---|
| 229, Sydenham Road717 m away | 88 m² | 139 m² | +51 m² +58% | 2016 |
|---|
| 5, Southey Street926 m away | 94 m² | 144 m² | +50 m² +53% | 2025 |
|---|
| 61, Homecroft Road107 m away | 105 m² | 155 m² | +50 m² +48% | 2022 |
|---|
| 18, Queensthorpe Road401 m away | 89 m² | 139 m² | +50 m² +56% | 2022 |
|---|
| 102, Kent House Road791 m away | 132 m² | 182 m² | +50 m² +38% | 2016 |
|---|
| 43b, Wiverton Road355 m away | 63 m² | 113 m² | +50 m² +79% | 2014 |
|---|
| Flat 13, 33, Westwood Hill944 m away | 44 m² | 92 m² | +48 m² +109% | 2024 |
|---|
| 140, Kent House Road814 m away | 139 m² | 187 m² | +48 m² +35% | 2023 |
|---|
| 15, Whateley Road951 m away | 85 m² | 132 m² | +47 m² +55% | 2021 |
|---|
| 20, Whittell Gardens869 m away | 86 m² | 133 m² | +47 m² +55% | 2019 |
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| 131, Parish Lane910 m away | 75 m² | 122 m² | +47 m² +63% | 2017 |
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| 25, Collingtree Road657 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 10a, Avington Grove996 m away | 58 m² | 104 m² | +46 m² +79% | 2025 |
|---|
| 15, Dukesthorpe Road460 m away | 109 m² | 155 m² | +46 m² +42% | 2022 |
|---|
| 14, Lawrie Park Crescent545 m away | 177 m² | 223 m² | +46 m² +26% | 2022 |
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| 4, Tannsfeld Road120 m away | 132 m² | 177 m² | +45 m² +34% | 2021 |
|---|
| 5, Canal Walk220 m away | 78 m² | 123 m² | +45 m² +58% | 2014 |
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| 109, Sydenham Park Road798 m away | 85 m² | 129 m² | +44 m² +52% | 2024 |
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| 87, Kent House Lane896 m away | 78 m² | 122 m² | +44 m² +56% | 2021 |
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| 37, Kingswood Road713 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 96a, Byne Road181 m away | 72 m² | 115 m² | +43 m² +60% | 2021 |
|---|
| 26, Queensthorpe Road401 m away | 204 m² | 247 m² | +43 m² +21% | 2020 |
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| 19, Fairlawn Park774 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
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| 39, Queen Adelaide Road803 m away | 31 m² | 74 m² | +43 m² +139% | 2010 |
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| 4, Studland Road255 m away | 139 m² | 181 m² | +42 m² +30% | 2025 |
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| 95, Wiverton Road187 m away | 134 m² | 176 m² | +42 m² +31% | 2015 |
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| 53, Girton Road224 m away | 89 m² | 130 m² | +41 m² +46% | 2024 |
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| 157, Sydenham Park Road798 m away | 110 m² | 151 m² | +41 m² +37% | 2023 |
|---|
| 99, Wiverton Road187 m away | 90 m² | 131 m² | +41 m² +46% | 2017 |
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| 14a, Lawrie Park Avenue610 m away | 45 m² | 86 m² | +41 m² +91% | 2015 |
|---|
| 14, Peak Hill689 m away | 80 m² | 121 m² | +41 m² +51% | 2015 |
|---|
| 11, Lennard Road608 m away | 72 m² | 113 m² | +41 m² +57% | 2014 |
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| 3, Phoenix Road669 m away | 141 m² | 181 m² | +40 m² +28% | 2025 |
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| 1, Lennard Road544 m away | 94 m² | 134 m² | +40 m² +43% | 2024 |
|---|
| 137, Newlands Park0 m away | 111 m² | 151 m² | +40 m² +36% | 2015 |
|---|
| 29, Princethorpe Road424 m away | 121 m² | 161 m² | +40 m² +33% | 2014 |
|---|
| Flat 3, 32, Sydenham Park896 m away | 63 m² | 102 m² | +39 m² +62% | 2025 |
|---|
| 26, Lawrie Park Avenue610 m away | 217 m² | 256 m² | +39 m² +18% | 2022 |
|---|
| 71, Kingswood Road713 m away | 88 m² | 127 m² | +39 m² +44% | 2022 |
|---|
| 93, Tannsfeld Road195 m away | 52 m² | 91 m² | +39 m² +75% | 2015 |
|---|
| 89, Kent House Lane896 m away | 89 m² | 128 m² | +39 m² +44% | 2014 |
|---|
| 287c, Sydenham Road920 m away | 45 m² | 83 m² | +38 m² +84% | 2026 |
|---|
| Flat 61, Queen Adelaide Court, Queen Adelaide Road731 m away | 36 m² | 74 m² | +38 m² +106% | 2020 |
|---|
| 5, Border Road491 m away | 94 m² | 132 m² | +38 m² +40% | 2018 |
|---|
| 106, Kent House Road791 m away | 177 m² | 214 m² | +37 m² +21% | 2023 |
|---|
| 88, Lennard Road791 m away | 204 m² | 241 m² | +37 m² +18% | 2023 |
|---|
| 25, Kingswood Road713 m away | 86 m² | 122 m² | +36 m² +42% | 2025 |
|---|
| 10, Crampton Road730 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 3, The Peak777 m away | 86 m² | 122 m² | +36 m² +42% | 2022 |
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| 32, De Frene Road915 m away | 93 m² | 129 m² | +36 m² +39% | 2017 |
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| 9, Elvino Road541 m away | 100 m² | 136 m² | +36 m² +36% | 2012 |
|---|
| 19, Wiverton Road355 m away | 129 m² | 165 m² | +36 m² +28% | 2010 |
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| Flat 5, 8, Wells Park Road926 m away | 26 m² | 61 m² | +35 m² +135% | 2026 |
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| 71b, Mayow Road759 m away | 96 m² | 131 m² | +35 m² +36% | 2024 |
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| 5a, Bishopsthorpe Road530 m away | 110 m² | 145 m² | +35 m² +32% | 2023 |
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| 279, Sydenham Road816 m away | 46 m² | 81 m² | +35 m² +76% | 2016 |
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| 7, Homecroft Road107 m away | 128 m² | 163 m² | +35 m² +27% | 2015 |
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| 55, Longton Grove897 m away | 109 m² | 144 m² | +35 m² +32% | 2013 |
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| 57c, Peak Hill617 m away | 73 m² | 107 m² | +34 m² +47% | 2025 |
|---|
| 31, Girton Road224 m away | 88 m² | 122 m² | +34 m² +39% | 2024 |
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| 7, Girton Road224 m away | 80 m² | 114 m² | +34 m² +43% | 2021 |
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| 55, Wordsworth Road931 m away | 89 m² | 123 m² | +34 m² +38% | 2021 |
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| 28, Beaulieu Avenue838 m away | 141 m² | 175 m² | +34 m² +24% | 2014 |
|---|
| 45, Mayow Road989 m away | 105 m² | 139 m² | +34 m² +32% | 2013 |
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| 82, Fairlawn Park739 m away | 115 m² | 148 m² | +33 m² +29% | 2025 |
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| 27, Montrave Road787 m away | 135 m² | 168 m² | +33 m² +24% | 2024 |
|---|
| 34, Lawrie Park Gardens547 m away | 85 m² | 118 m² | +33 m² +39% | 2022 |
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| 100, Sydenham Park Road746 m away | 95 m² | 128 m² | +33 m² +35% | 2022 |
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| 186, Maple Road992 m away | 53 m² | 86 m² | +33 m² +62% | 2020 |
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| 5, Beckett Walk967 m away | 47 m² | 80 m² | +33 m² +70% | 2013 |
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| 8, The Peak777 m away | 102 m² | 134 m² | +32 m² +31% | 2026 |
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| 114, Anerley Park975 m away | 125 m² | 157 m² | +32 m² +26% | 2026 |
|---|
| 33, Girton Road224 m away | 92 m² | 124 m² | +32 m² +35% | 2024 |
|---|
| 58, Kingswood Road719 m away | 117 m² | 149 m² | +32 m² +27% | 2023 |
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| 63, Highclere Street779 m away | 74 m² | 106 m² | +32 m² +43% | 2020 |
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| 53, Chelsfield Gardens910 m away | 80 m² | 112 m² | +32 m² +40% | 2014 |
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| 1, Wiverton Road355 m away | 129 m² | 160 m² | +31 m² +24% | 2025 |
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| 32, Hyndewood986 m away | 103 m² | 134 m² | +31 m² +30% | 2024 |
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| Ground Floor, 44, Wiverton Road348 m away | 53 m² | 84 m² | +31 m² +58% | 2022 |
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| Flat 4, 47, Newlands Park364 m away | 32 m² | 63 m² | +31 m² +97% | 2016 |
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| 87, Sydenham Road270 m away | 55 m² | 86 m² | +31 m² +56% | 2010 |
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| 30, Parish Lane654 m away | 42 m² | 73 m² | +31 m² +74% | 2010 |
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| 31, Adamsrill Road890 m away | 74 m² | 104 m² | +30 m² +41% | 2021 |
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| 5, Elvino Road541 m away | 105 m² | 135 m² | +30 m² +29% | 2020 |
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| 2, Lennard Terrace564 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 43, Hall Drive456 m away | 132 m² | 162 m² | +30 m² +23% | 2014 |
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| 59, Peak Hill617 m away | 161 m² | 191 m² | +30 m² +19% | 2014 |
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| 40a, Highclere Street813 m away | 48 m² | 77 m² | +29 m² +60% | 2026 |
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| 62, Knighton Park Road449 m away | 136 m² | 165 m² | +29 m² +21% | 2025 |
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| 49, Highclere Street779 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 111, Longton Grove897 m away | 93 m² | 122 m² | +29 m² +31% | 2022 |
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| 22a, Avington Grove996 m away | 35 m² | 64 m² | +29 m² +83% | 2022 |
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| 9, Highclere Street779 m away | 78 m² | 107 m² | +29 m² +37% | 2016 |
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| 51, Beaulieu Avenue851 m away | 131 m² | 160 m² | +29 m² +22% | 2014 |
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| 135, Hazel Grove564 m away | 66 m² | 95 m² | +29 m² +44% | 2012 |
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| Flat 11, York House, Lawrie Park Road380 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 35a, Tredown Road53 m away | 37 m² | 65 m² | +28 m² +76% | 2021 |
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| Flat 3, Aintree House, Park Court685 m away | 46 m² | 74 m² | +28 m² +61% | 2019 |
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| Flat 9, Coniston Court, Springfield Road595 m away | 45 m² | 73 m² | +28 m² +62% | 2018 |
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| 159b, Venner Road466 m away | 53 m² | 81 m² | +28 m² +53% | 2017 |
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| 51, Kent House Road660 m away | 73 m² | 101 m² | +28 m² +38% | 2014 |
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| 23, Venner Road183 m away | 57 m² | 85 m² | +28 m² +49% | 2010 |
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| Flat 10, 2 - 4, Trewsbury Road334 m away | 118 m² | 145 m² | +27 m² +23% | 2025 |
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| Flat 10, Queen Adelaide Court, Queen Adelaide Road756 m away | 45 m² | 72 m² | +27 m² +60% | 2025 |
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| 70, Wordsworth Road954 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
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| 49b, Parish Lane645 m away | 41 m² | 68 m² | +27 m² +66% | 2022 |
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| 36, Somerville Road926 m away | 95 m² | 122 m² | +27 m² +28% | 2022 |
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| 69, Larkbere Road882 m away | 83 m² | 110 m² | +27 m² +33% | 2021 |
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| 214, Bell Green Lane926 m away | 36 m² | 63 m² | +27 m² +75% | 2019 |
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| 198b, Venner Road491 m away | 47 m² | 74 m² | +27 m² +57% | 2014 |
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| 19, Watlington Grove694 m away | 91 m² | 117 m² | +26 m² +29% | 2026 |
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| Flat 5, Parcell House, Newlands Park463 m away | 56 m² | 82 m² | +26 m² +46% | 2025 |
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| 56a, Knighton Park Road449 m away | 60 m² | 86 m² | +26 m² +43% | 2023 |
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| 68, Lennard Road791 m away | 169 m² | 195 m² | +26 m² +15% | 2023 |
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| 11, Kent House Lane896 m away | 96 m² | 122 m² | +26 m² +27% | 2022 |
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| 10, Whittell Gardens869 m away | 90 m² | 116 m² | +26 m² +29% | 2016 |
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| 45b, Sydenham Road255 m away | 70 m² | 95 m² | +25 m² +36% | 2025 |
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| 161, Lawrie Park Gardens695 m away | 84 m² | 109 m² | +25 m² +30% | 2020 |
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| 2, Crampton Road730 m away | 86 m² | 111 m² | +25 m² +29% | 2019 |
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| 3, Dukesthorpe Road460 m away | 122 m² | 147 m² | +25 m² +20% | 2018 |
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| 19, Charleville Circus988 m away | 44 m² | 69 m² | +25 m² +57% | 2018 |
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| 13, Whittell Gardens869 m away | 79 m² | 104 m² | +25 m² +32% | 2017 |
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| Flat 5, 4, Adamsrill Road777 m away | 47 m² | 72 m² | +25 m² +53% | 2014 |
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| 46b, Sydenham Road197 m away | 55 m² | 79 m² | +24 m² +44% | 2026 |
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| 25, Hazel Grove488 m away | 82 m² | 106 m² | +24 m² +29% | 2025 |
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| Flat C, 41, Mayow Road989 m away | 33 m² | 57 m² | +24 m² +73% | 2024 |
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| 1, Border Road491 m away | 136 m² | 160 m² | +24 m² +18% | 2021 |
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| 27, Albert Road743 m away | 44 m² | 68 m² | +24 m² +55% | 2021 |
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| 18, Highclere Street813 m away | 85 m² | 109 m² | +24 m² +28% | 2021 |
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| Flat 8, Wicklow Court, 45, Lawrie Park Road346 m away | 45 m² | 69 m² | +24 m² +53% | 2018 |
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| Flat 3, 5, Recreation Road591 m away | 57 m² | 81 m² | +24 m² +42% | 2014 |
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| 25, Whateley Road951 m away | 90 m² | 113 m² | +23 m² +26% | 2026 |
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| 40, Larkbere Road920 m away | 78 m² | 101 m² | +23 m² +29% | 2025 |
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| Flat 8, The Arc, 85, Willow Way935 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
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| 1, Mylis Close963 m away | 79 m² | 102 m² | +23 m² +29% | 2023 |
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| 53, Beaulieu Avenue851 m away | 116 m² | 139 m² | +23 m² +20% | 2022 |
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| 98c, Newlands Park85 m away | 59 m² | 82 m² | +23 m² +39% | 2021 |
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| 222, Venner Road491 m away | 118 m² | 141 m² | +23 m² +19% | 2021 |
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| 25, Tennyson Road907 m away | 89 m² | 112 m² | +23 m² +26% | 2021 |
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| 46, Larkbere Road920 m away | 77 m² | 100 m² | +23 m² +30% | 2021 |
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| 31, Kent House Lane896 m away | 77 m² | 100 m² | +23 m² +30% | 2020 |
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| Flat 4, 9, St Johns Road824 m away | 37 m² | 60 m² | +23 m² +62% | 2018 |
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| Flat 6, 4, Adamsrill Road777 m away | 49 m² | 72 m² | +23 m² +47% | 2014 |
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| Flat 19, 33, Westwood Hill944 m away | 86 m² | 109 m² | +23 m² +27% | 2014 |
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| 61, Venner Road292 m away | 55 m² | 78 m² | +23 m² +42% | 2010 |
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| 46, Lawrie Park Road400 m away | 79 m² | 101 m² | +22 m² +28% | 2026 |
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| Flat 21, The Firs, 43, Venner Road128 m away | 91 m² | 113 m² | +22 m² +24% | 2025 |
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| 285a, Sydenham Road816 m away | 62 m² | 84 m² | +22 m² +35% | 2022 |
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| 19, High Street836 m away | 78 m² | 100 m² | +22 m² +28% | 2019 |
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| 112b, Lennard Road869 m away | 90 m² | 112 m² | +22 m² +24% | 2019 |
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| 39, Adamsrill Road890 m away | 35 m² | 57 m² | +22 m² +63% | 2019 |
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| 43, Tannsfeld Road151 m away | 125 m² | 147 m² | +22 m² +18% | 2016 |
|---|
| 23, Champion Road946 m away | 61 m² | 83 m² | +22 m² +36% | 2016 |
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| 14, Beaulieu Avenue838 m away | 114 m² | 136 m² | +22 m² +19% | 2013 |
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| 88, Tannsfeld Road154 m away | 121 m² | 143 m² | +22 m² +18% | 2011 |
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| 91a, Sydenham Road270 m away | 74 m² | 95 m² | +21 m² +28% | 2025 |
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| 14, Parkside Close951 m away | 60 m² | 81 m² | +21 m² +35% | 2025 |
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| 74, Wiverton Road162 m away | 129 m² | 150 m² | +21 m² +16% | 2024 |
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