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 SW16 3LZ
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 |
|---|---|---|---|---|
| 276, Norbury Avenue444 m away | 165 m² | 337 m² | +172 m² +104% | 2019 |
| 8, Crescent Way448 m away | 130 m² | 301 m² | +171 m² +132% | 2024 |
| 18, Norbury Hill204 m away | 122 m² | 250 m² | +128 m² +105% | 2021 |
| 159, Gibsons Hill800 m away | 165 m² | 291 m² | +126 m² +76% | 2025 |
| 28, Springfield Road980 m away | 93 m² | 209 m² | +116 m² +125% | 2024 |
| 28, Ryecroft Road971 m away | 154 m² | 269 m² | +115 m² +75% | 2016 |
| 8, Florida Road631 m away | 101 m² | 214 m² | +113 m² +112% | 2025 |
| 34, Highbury Avenue677 m away | 95 m² | 206 m² | +111 m² +117% | 2014 |
| 125, Covington Way388 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.
| 165 m² |
| 275 m² |
| +110 m² +67% |
| 2014 |
| 1, Green Lane Gardens976 m away | 111 m² | 220 m² | +109 m² +98% | 2025 |
|---|
| 58, Green Lane702 m away | 108 m² | 211 m² | +103 m² +95% | 2023 |
|---|
| 2, Downsview Gardens770 m away | 81 m² | 180 m² | +99 m² +122% | 2023 |
|---|
| 126, Norbury Hill573 m away | 313 m² | 410 m² | +97 m² +31% | 2009 |
|---|
| 3, Gibsons Hill206 m away | 110 m² | 204 m² | +94 m² +85% | 2024 |
|---|
| 66, Braxted Park734 m away | 70 m² | 160 m² | +90 m² +129% | 2012 |
|---|
| 4, Hollies Close706 m away | 178 m² | 267 m² | +89 m² +50% | 2023 |
|---|
| 40, Crescent Way448 m away | 120 m² | 209 m² | +89 m² +74% | 2016 |
|---|
| 18, Groveland Avenue353 m away | 114 m² | 200 m² | +86 m² +75% | 2026 |
|---|
| 10, Groveland Avenue472 m away | 126 m² | 209 m² | +83 m² +66% | 2026 |
|---|
| 57, Norbury Hill438 m away | 90 m² | 171 m² | +81 m² +90% | 2010 |
|---|
| 48, Dalmeny Avenue964 m away | 91 m² | 171 m² | +80 m² +88% | 2026 |
|---|
| 33, St Oswalds Road429 m away | 97 m² | 176 m² | +79 m² +81% | 2025 |
|---|
| 27, Carolina Road875 m away | 102 m² | 181 m² | +79 m² +77% | 2024 |
|---|
| 57, Hawthorn Avenue518 m away | 91 m² | 170 m² | +79 m² +87% | 2022 |
|---|
| 68, Springfield Road980 m away | 144 m² | 223 m² | +79 m² +55% | 2014 |
|---|
| 41, Courtland Avenue406 m away | 144 m² | 221 m² | +77 m² +53% | 2017 |
|---|
| 45, Arragon Gardens974 m away | 51 m² | 125 m² | +74 m² +145% | 2023 |
|---|
| 24, The Chase375 m away | 114 m² | 187 m² | +73 m² +64% | 2023 |
|---|
| 14, Buckingham Avenue480 m away | 105 m² | 178 m² | +73 m² +70% | 2014 |
|---|
| 37, Norbury Hill198 m away | 132 m² | 205 m² | +73 m² +55% | 2013 |
|---|
| 163, Covington Way541 m away | 126 m² | 196 m² | +70 m² +56% | 2021 |
|---|
| 23, Copley Park855 m away | 201 m² | 267 m² | +66 m² +33% | 2023 |
|---|
| 12, Danbrook Road853 m away | 88 m² | 154 m² | +66 m² +75% | 2021 |
|---|
| 62, Braxted Park734 m away | 266 m² | 330 m² | +64 m² +24% | 2016 |
|---|
| 4, Leafield Close799 m away | 121 m² | 184 m² | +63 m² +52% | 2023 |
|---|
| 22, Briar Avenue526 m away | 113 m² | 174 m² | +61 m² +54% | 2012 |
|---|
| 38, Braxted Park870 m away | 135 m² | 195 m² | +60 m² +44% | 2020 |
|---|
| 22, Downsview Road937 m away | 42 m² | 101 m² | +59 m² +140% | 2009 |
|---|
| 69a, Ryecroft Road863 m away | 146 m² | 204 m² | +58 m² +40% | 2026 |
|---|
| 16, Leafield Close799 m away | 75 m² | 133 m² | +58 m² +77% | 2022 |
|---|
| 4, The Chase375 m away | 103 m² | 160 m² | +57 m² +55% | 2013 |
|---|
| 75, Virginia Road740 m away | 110 m² | 166 m² | +56 m² +51% | 2021 |
|---|
| 30, Downsview Road937 m away | 126 m² | 181 m² | +55 m² +44% | 2026 |
|---|
| 270, Woodmansterne Road900 m away | 64 m² | 119 m² | +55 m² +86% | 2019 |
|---|
| 4, Florida Road631 m away | 99 m² | 153 m² | +54 m² +55% | 2020 |
|---|
| 59, Hepworth Road882 m away | 89 m² | 143 m² | +54 m² +61% | 2016 |
|---|
| 45, Christian Fields187 m away | 96 m² | 149 m² | +53 m² +55% | 2023 |
|---|
| 10, Hepworth Road906 m away | 100 m² | 153 m² | +53 m² +53% | 2021 |
|---|
| 48, Norbury Close272 m away | 93 m² | 146 m² | +53 m² +57% | 2015 |
|---|
| 40, Christian Fields191 m away | 112 m² | 164 m² | +52 m² +46% | 2016 |
|---|
| 52, Covington Way640 m away | 92 m² | 144 m² | +52 m² +57% | 2015 |
|---|
| 47, Craignish Avenue733 m away | 106 m² | 156 m² | +50 m² +47% | 2024 |
|---|
| 74, Braxted Park734 m away | 98 m² | 148 m² | +50 m² +51% | 2023 |
|---|
| 101, Virginia Road740 m away | 82 m² | 132 m² | +50 m² +61% | 2023 |
|---|
| 67, Colmer Road783 m away | 105 m² | 155 m² | +50 m² +48% | 2023 |
|---|
| 542, Streatham High Road988 m away | 115 m² | 165 m² | +50 m² +43% | 2020 |
|---|
| 58, Braxted Park734 m away | 210 m² | 260 m² | +50 m² +24% | 2019 |
|---|
| 42, St Oswalds Road440 m away | 119 m² | 169 m² | +50 m² +42% | 2014 |
|---|
| 28, The Chase375 m away | 114 m² | 164 m² | +50 m² +44% | 2013 |
|---|
| 88, Bishops Park Road823 m away | 100 m² | 149 m² | +49 m² +49% | 2021 |
|---|
| 81, Norbury Crescent570 m away | 126 m² | 175 m² | +49 m² +39% | 2016 |
|---|
| 51, Heybridge Avenue904 m away | 171 m² | 219 m² | +48 m² +28% | 2019 |
|---|
| 39, Heybridge Avenue904 m away | 210 m² | 258 m² | +48 m² +23% | 2019 |
|---|
| 132, Norbury Hill573 m away | 217 m² | 264 m² | +47 m² +22% | 2026 |
|---|
| 53, Briar Avenue556 m away | 151 m² | 198 m² | +47 m² +31% | 2024 |
|---|
| 1, Craignish Avenue657 m away | 56 m² | 103 m² | +47 m² +84% | 2021 |
|---|
| 11, Colmer Road783 m away | 96 m² | 142 m² | +46 m² +48% | 2025 |
|---|
| 32, Norbury Close272 m away | 95 m² | 141 m² | +46 m² +48% | 2022 |
|---|
| Flat 65, Solent Court, 1258, London Road982 m away | 102 m² | 148 m² | +46 m² +45% | 2019 |
|---|
| 18, Arragon Gardens993 m away | 118 m² | 164 m² | +46 m² +39% | 2015 |
|---|
| 40, Biggin Hill662 m away | 84 m² | 129 m² | +45 m² +54% | 2023 |
|---|
| 30, Arragon Gardens993 m away | 122 m² | 167 m² | +45 m² +37% | 2015 |
|---|
| 44, Colmer Road808 m away | 98 m² | 142 m² | +44 m² +45% | 2020 |
|---|
| 301, Green Lane459 m away | 127 m² | 171 m² | +44 m² +35% | 2018 |
|---|
| 33, Southbrook Road927 m away | 91 m² | 135 m² | +44 m² +48% | 2011 |
|---|
| 37, Crescent Way516 m away | 126 m² | 169 m² | +43 m² +34% | 2024 |
|---|
| 66, Green Lane598 m away | 85 m² | 128 m² | +43 m² +51% | 2023 |
|---|
| 1, St Leonards Walk683 m away | 72 m² | 115 m² | +43 m² +60% | 2016 |
|---|
| 2, Carolina Road891 m away | 100 m² | 142 m² | +42 m² +42% | 2026 |
|---|
| 54, Colmer Road808 m away | 98 m² | 140 m² | +42 m² +43% | 2023 |
|---|
| 115, Biggin Hill689 m away | 65 m² | 107 m² | +42 m² +65% | 2018 |
|---|
| 14, White Lodge796 m away | 103 m² | 144 m² | +41 m² +40% | 2026 |
|---|
| 3, Covington Way388 m away | 94 m² | 135 m² | +41 m² +44% | 2017 |
|---|
| 22, Oakhill Road828 m away | 103 m² | 144 m² | +41 m² +40% | 2016 |
|---|
| 85c, Norbury Crescent570 m away | 66 m² | 106 m² | +40 m² +61% | 2025 |
|---|
| 53, Maryland Road804 m away | 106 m² | 145 m² | +39 m² +37% | 2025 |
|---|
| 5, Havisham Place778 m away | 159 m² | 198 m² | +39 m² +25% | 2024 |
|---|
| 42, Norbury Close272 m away | 92 m² | 131 m² | +39 m² +42% | 2022 |
|---|
| Flat 23, 582, Streatham High Road849 m away | 38 m² | 77 m² | +39 m² +103% | 2017 |
|---|
| 261, Green Lane200 m away | 115 m² | 154 m² | +39 m² +34% | 2013 |
|---|
| Flat A, 3, Danbrook Road844 m away | 48 m² | 87 m² | +39 m² +81% | 2013 |
|---|
| 26, Crescent Way448 m away | 140 m² | 178 m² | +38 m² +27% | 2022 |
|---|
| 33, Bishops Park Road848 m away | 119 m² | 157 m² | +38 m² +32% | 2021 |
|---|
| 4, Acacia Road739 m away | 96 m² | 134 m² | +38 m² +40% | 2018 |
|---|
| 42, Green Lane793 m away | 55 m² | 93 m² | +38 m² +69% | 2012 |
|---|
| 124, Dalmeny Avenue799 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
|---|
| 36, Hepworth Road906 m away | 59 m² | 96 m² | +37 m² +63% | 2025 |
|---|
| 7, Danbrook Road844 m away | 48 m² | 85 m² | +37 m² +77% | 2024 |
|---|
| 65, Christian Fields418 m away | 109 m² | 146 m² | +37 m² +34% | 2021 |
|---|
| 13, Groveland Avenue472 m away | 119 m² | 156 m² | +37 m² +31% | 2020 |
|---|
| 85, Virginia Road740 m away | 197 m² | 233 m² | +36 m² +18% | 2023 |
|---|
| 4, Hilldown Road824 m away | 176 m² | 212 m² | +36 m² +20% | 2022 |
|---|
| 8, Bishops Park Road799 m away | 108 m² | 144 m² | +36 m² +33% | 2021 |
|---|
| 144, Green Lane96 m away | 123 m² | 159 m² | +36 m² +29% | 2019 |
|---|
| 32, Heybridge Avenue865 m away | 182 m² | 218 m² | +36 m² +20% | 2019 |
|---|
| 1, Danbrook Road844 m away | 53 m² | 89 m² | +36 m² +68% | 2012 |
|---|
| 58, Ingram Road968 m away | 117 m² | 152 m² | +35 m² +30% | 2025 |
|---|
| 53, Springfield Road986 m away | 106 m² | 141 m² | +35 m² +33% | 2022 |
|---|
| 87, Florida Road753 m away | 104 m² | 139 m² | +35 m² +34% | 2017 |
|---|
| 51, Norbury Hill198 m away | 98 m² | 133 m² | +35 m² +36% | 2015 |
|---|
| 4, Hillcote Avenue312 m away | 120 m² | 154 m² | +34 m² +28% | 2025 |
|---|
| 104, Strathbrook Road601 m away | 109 m² | 143 m² | +34 m² +31% | 2024 |
|---|
| 6, Danbrook Road853 m away | 89 m² | 123 m² | +34 m² +38% | 2024 |
|---|
| 68, Florida Road768 m away | 150 m² | 184 m² | +34 m² +23% | 2021 |
|---|
| 42, Danbrook Road853 m away | 113 m² | 147 m² | +34 m² +30% | 2018 |
|---|
| 1, Covington Way388 m away | 117 m² | 151 m² | +34 m² +29% | 2015 |
|---|
| Flat 85, Radnor House, 1272, London Road793 m away | 34 m² | 68 m² | +34 m² +100% | 2012 |
|---|
| Flat 80, Radnor House, 1272, London Road793 m away | 30 m² | 63 m² | +33 m² +110% | 2026 |
|---|
| 58, Glencairn Road957 m away | 83 m² | 116 m² | +33 m² +40% | 2025 |
|---|
| 25, Christian Fields187 m away | 112 m² | 145 m² | +33 m² +29% | 2018 |
|---|
| 37, Baldry Gardens953 m away | 65 m² | 98 m² | +33 m² +51% | 2017 |
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| 40, St Oswalds Road440 m away | 117 m² | 149 m² | +32 m² +27% | 2026 |
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| 306, Green Lane478 m away | 168 m² | 200 m² | +32 m² +19% | 2024 |
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| 56, Hepworth Road906 m away | 100 m² | 132 m² | +32 m² +32% | 2021 |
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| 42, Northborough Road997 m away | 53 m² | 85 m² | +32 m² +60% | 2021 |
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| 12, Ryecroft Road971 m away | 148 m² | 180 m² | +32 m² +22% | 2016 |
|---|
| Flat 88, Anderson Heights, 1260, London Road933 m away | 78 m² | 110 m² | +32 m² +41% | 2015 |
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| 69, Ederline Avenue988 m away | 130 m² | 161 m² | +31 m² +24% | 2024 |
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| 4, Carolina Road891 m away | 110 m² | 141 m² | +31 m² +28% | 2023 |
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| 12, Glencairn Road957 m away | 122 m² | 153 m² | +31 m² +25% | 2023 |
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| 90, Green Lane497 m away | 155 m² | 186 m² | +31 m² +20% | 2020 |
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| 1, Newlands Road972 m away | 55 m² | 85 m² | +30 m² +55% | 2026 |
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| 5, Jerviston Gardens996 m away | 105 m² | 135 m² | +30 m² +29% | 2026 |
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| 25, Fairview Road766 m away | 137 m² | 167 m² | +30 m² +22% | 2024 |
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| 1451a, London Road721 m away | 76 m² | 106 m² | +30 m² +39% | 2023 |
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| 4, Christian Fields191 m away | 107 m² | 137 m² | +30 m² +28% | 2021 |
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| 223, Covington Way811 m away | 119 m² | 149 m² | +30 m² +25% | 2020 |
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| 78, Kensington Avenue332 m away | 89 m² | 119 m² | +30 m² +34% | 2018 |
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| 27, St Oswalds Road429 m away | 93 m² | 123 m² | +30 m² +32% | 2016 |
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| 16, Cedarville Gardens711 m away | 117 m² | 147 m² | +30 m² +26% | 2012 |
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| 22, Florida Road631 m away | 135 m² | 164 m² | +29 m² +21% | 2024 |
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| 30, Colebrook Road968 m away | 96 m² | 125 m² | +29 m² +30% | 2022 |
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| 60, Colmer Road808 m away | 96 m² | 125 m² | +29 m² +30% | 2019 |
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| 16, Ryecroft Road971 m away | 179 m² | 208 m² | +29 m² +16% | 2015 |
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| 10, Fairview Road739 m away | 38 m² | 66 m² | +28 m² +74% | 2016 |
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| 74, Danbrook Road853 m away | 24 m² | 52 m² | +28 m² +117% | 2015 |
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| 40, Downsview Road937 m away | 127 m² | 154 m² | +27 m² +21% | 2024 |
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| 90, Northborough Road997 m away | 64 m² | 91 m² | +27 m² +42% | 2023 |
|---|
| 24, Glencairn Road957 m away | 140 m² | 167 m² | +27 m² +19% | 2021 |
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| Flat 1, 11, Stanford Road842 m away | 34 m² | 61 m² | +27 m² +79% | 2020 |
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| 5, Northborough Road926 m away | 62 m² | 89 m² | +27 m² +44% | 2020 |
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| 62, Covington Way640 m away | 104 m² | 131 m² | +27 m² +26% | 2014 |
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| 17, Bigginwood Road387 m away | 87 m² | 113 m² | +26 m² +30% | 2026 |
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| 105, Virginia Road740 m away | 119 m² | 145 m² | +26 m² +22% | 2023 |
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| 67, St Oswalds Road429 m away | 86 m² | 112 m² | +26 m² +30% | 2020 |
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| Flat 2, 9, Roche Road721 m away | 47 m² | 73 m² | +26 m² +55% | 2020 |
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| 31, Northwood Road978 m away | 42 m² | 68 m² | +26 m² +62% | 2019 |
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| 22, Glencairn Road957 m away | 37 m² | 63 m² | +26 m² +70% | 2014 |
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| 63, St Oswalds Road429 m away | 87 m² | 113 m² | +26 m² +30% | 2013 |
|---|
| 4, Arragon Gardens993 m away | 128 m² | 153 m² | +25 m² +20% | 2024 |
|---|
| 73, Danbrook Road844 m away | 24 m² | 49 m² | +25 m² +104% | 2023 |
|---|
| 10, St Oswalds Road440 m away | 94 m² | 119 m² | +25 m² +27% | 2021 |
|---|
| 52, Biggin Hill662 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
|---|
| 22, Fairview Road739 m away | 115 m² | 140 m² | +25 m² +22% | 2019 |
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| 193, Covington Way811 m away | 144 m² | 169 m² | +25 m² +17% | 2015 |
|---|
| 111, Marston Way904 m away | 44 m² | 69 m² | +25 m² +57% | 2014 |
|---|
| 14, Covington Gardens617 m away | 120 m² | 144 m² | +24 m² +20% | 2026 |
|---|
| 23, Crescent Way516 m away | 158 m² | 182 m² | +24 m² +15% | 2025 |
|---|
| 26, Briar Avenue526 m away | 111 m² | 135 m² | +24 m² +22% | 2024 |
|---|
| 55, Norbury Hill198 m away | 95 m² | 119 m² | +24 m² +25% | 2021 |
|---|
| 17, Maryland Road689 m away | 108 m² | 132 m² | +24 m² +22% | 2020 |
|---|
| 15, Hawthorn Avenue518 m away | 100 m² | 124 m² | +24 m² +24% | 2018 |
|---|
| 272, Beulah Hill992 m away | 84 m² | 108 m² | +24 m² +29% | 2018 |
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| 88, Kensington Avenue332 m away | 101 m² | 124 m² | +23 m² +23% | 2026 |
|---|
| 277, Norbury Avenue467 m away | 56 m² | 79 m² | +23 m² +41% | 2026 |
|---|
| 29, Hillcote Avenue321 m away | 147 m² | 170 m² | +23 m² +16% | 2024 |
|---|
| 1, Virginia Road503 m away | 114 m² | 137 m² | +23 m² +20% | 2020 |
|---|
| 62, Glencairn Road957 m away | 83 m² | 105 m² | +22 m² +27% | 2024 |
|---|
| 11, Buckingham Gardens559 m away | 70 m² | 92 m² | +22 m² +31% | 2017 |
|---|
| 42, Gibsons Hill258 m away | 117 m² | 139 m² | +22 m² +19% | 2013 |
|---|
| 10, Bigginwood Road415 m away | 135 m² | 156 m² | +21 m² +16% | 2026 |
|---|
| 109, Biggin Hill689 m away | 78 m² | 99 m² | +21 m² +27% | 2026 |
|---|
| 45, Carolina Road971 m away | 104 m² | 125 m² | +21 m² +20% | 2025 |
|---|
| 40, Colmer Road808 m away | 117 m² | 138 m² | +21 m² +18% | 2022 |
|---|
| 10, Acacia Road739 m away | 81 m² | 102 m² | +21 m² +26% | 2021 |
|---|
| 14, Preston Road996 m away | 90 m² | 111 m² | +21 m² +23% | 2021 |
|---|
| Flat 8, Marqueen Towers, 612 - 618, Streatham High Road761 m away | 37 m² | 58 m² | +21 m² +57% | 2019 |
|---|
| 3, Courtland Avenue388 m away | 137 m² | 158 m² | +21 m² +15% | 2018 |
|---|
| Flat A, 77, Braxted Park734 m away | 88 m² | 109 m² | +21 m² +24% | 2015 |
|---|
| 47, Preston Road996 m away | 104 m² | 125 m² | +21 m² +20% | 2015 |
|---|
| 228, Green Lane144 m away | 126 m² | 147 m² | +21 m² +17% | 2014 |
|---|
| 25, Glencairn Road951 m away | 139 m² | 160 m² | +21 m² +15% | 2011 |
|---|
| 26, Cedarville Gardens711 m away | 118 m² | 138 m² | +20 m² +17% | 2025 |
|---|
| 77, Ederline Avenue988 m away | 49 m² | 69 m² | +20 m² +41% | 2024 |
|---|
| Flat 5, Solent Court, 1258, London Road982 m away | 50 m² | 70 m² | +20 m² +40% | 2021 |
|---|
| 147, Green Lane173 m away | 102 m² | 122 m² | +20 m² +20% | 2018 |
|---|
| 15, Preston Road996 m away | 105 m² | 125 m² | +20 m² +19% | 2017 |
|---|
| 20, Preston Road996 m away | 130 m² | 150 m² | +20 m² +15% | 2015 |
|---|
| 37, Springfield Road986 m away | 100 m² | 120 m² | +20 m² +20% | 2010 |
|---|
| 17, Glencairn Road951 m away | 113 m² | 132 m² | +19 m² +17% | 2025 |
|---|