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 SO16 3BA
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 |
|---|---|---|---|---|
| 170, Bassett Green Road876 m away | 98 m² | 209 m² | +111 m² +113% | 2022 |
| 7, Bassett Close988 m away | 121 m² | 217 m² | +96 m² +79% | 2019 |
| 209, Leaside Way699 m away | 81 m² | 171 m² | +90 m² +111% | 2018 |
| 33, Bassett Green Close859 m away | 83 m² | 172 m² | +89 m² +107% | 2022 |
| 30, Glen Eyre Drive820 m away | 135 m² | 223 m² | +88 m² +65% | 2011 |
| 31, Welbeck Avenue812 m away | 91 m² | 172 m² | +81 m² +89% | 2021 |
| 18, Woodcote Road251 m away | 91 m² | 169 m² | +78 m² +86% | 2021 |
| 87, Upper Shaftesbury Avenue663 m away | 64 m² | 140 m² | +76 m² +119% | 2024 |
| 61, Granby Grove494 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.
| 89 m² |
| 164 m² |
| +75 m² +84% |
| 2018 |
| 153, Broadlands Road354 m away | 85 m² | 159 m² | +74 m² +87% | 2019 |
|---|
| 175, Burgess Road851 m away | 53 m² | 127 m² | +74 m² +140% | 2012 |
|---|
| 7, Langhorn Road545 m away | 71 m² | 144 m² | +73 m² +103% | 2015 |
|---|
| 276, Broadlands Road324 m away | 80 m² | 150 m² | +70 m² +88% | 2022 |
|---|
| 34, Blenheim Gardens690 m away | 85 m² | 154 m² | +69 m² +81% | 2013 |
|---|
| 59, Bassett Green Close722 m away | 107 m² | 175 m² | +68 m² +64% | 2021 |
|---|
| 46, Ripstone Gardens536 m away | 113 m² | 181 m² | +68 m² +60% | 2020 |
|---|
| 71, Welbeck Avenue812 m away | 237 m² | 303 m² | +66 m² +28% | 2022 |
|---|
| 38, Ripstone Gardens536 m away | 92 m² | 158 m² | +66 m² +72% | 2021 |
|---|
| 1, Blenheim Gardens730 m away | 160 m² | 226 m² | +66 m² +41% | 2019 |
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| 20a, Sirdar Road631 m away | 122 m² | 187 m² | +65 m² +53% | 2024 |
|---|
| 69, Welbeck Avenue812 m away | 174 m² | 239 m² | +65 m² +37% | 2022 |
|---|
| 49, Highfield Crescent976 m away | 121 m² | 185 m² | +64 m² +53% | 2020 |
|---|
| 45, Harrison Road469 m away | 94 m² | 156 m² | +62 m² +66% | 2015 |
|---|
| 2a, University Road745 m away | 93 m² | 155 m² | +62 m² +67% | 2014 |
|---|
| 25, Ripstone Gardens565 m away | 105 m² | 166 m² | +61 m² +58% | 2022 |
|---|
| 254, Burgess Road108 m away | 87 m² | 148 m² | +61 m² +70% | 2020 |
|---|
| 14, Copperfield Road742 m away | 84 m² | 143 m² | +59 m² +70% | 2014 |
|---|
| 51, Granby Grove494 m away | 84 m² | 140 m² | +56 m² +67% | 2024 |
|---|
| 25, Holyrood Avenue917 m away | 117 m² | 173 m² | +56 m² +48% | 2019 |
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| 57, Kitchener Road746 m away | 86 m² | 142 m² | +56 m² +65% | 2011 |
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| 6, Cranford Way971 m away | 91 m² | 145 m² | +54 m² +59% | 2018 |
|---|
| 282, Broadlands Road243 m away | 77 m² | 130 m² | +53 m² +69% | 2018 |
|---|
| 46, Bassett Crescent East956 m away | 152 m² | 203 m² | +51 m² +34% | 2025 |
|---|
| 41, Granby Grove494 m away | 93 m² | 144 m² | +51 m² +55% | 2024 |
|---|
| 23, Kitchener Road746 m away | 78 m² | 128 m² | +50 m² +64% | 2013 |
|---|
| 77, Upper Shaftesbury Avenue663 m away | 83 m² | 132 m² | +49 m² +59% | 2019 |
|---|
| 11, Welbeck Avenue812 m away | 194 m² | 243 m² | +49 m² +25% | 2019 |
|---|
| 44, Broadlands Road524 m away | 105 m² | 154 m² | +49 m² +47% | 2014 |
|---|
| 17, Somerset Road931 m away | 85 m² | 134 m² | +49 m² +58% | 2014 |
|---|
| 30, Lilac Road232 m away | 84 m² | 132 m² | +48 m² +57% | 2020 |
|---|
| 22, Granby Grove466 m away | 79 m² | 127 m² | +48 m² +61% | 2010 |
|---|
| 7, Phillimore Road851 m away | 149 m² | 196 m² | +47 m² +32% | 2022 |
|---|
| 34, Ripstone Gardens536 m away | 122 m² | 169 m² | +47 m² +39% | 2021 |
|---|
| 76, Kitchener Road705 m away | 140 m² | 187 m² | +47 m² +34% | 2021 |
|---|
| 82, Welbeck Avenue892 m away | 141 m² | 188 m² | +47 m² +33% | 2019 |
|---|
| 90, Honeysuckle Road193 m away | 87 m² | 133 m² | +46 m² +53% | 2020 |
|---|
| 51, Welbeck Avenue812 m away | 103 m² | 149 m² | +46 m² +45% | 2018 |
|---|
| 40, Ripstone Gardens536 m away | 107 m² | 152 m² | +45 m² +42% | 2021 |
|---|
| 17, Merton Road615 m away | 90 m² | 135 m² | +45 m² +50% | 2019 |
|---|
| 8, Granby Grove466 m away | 82 m² | 127 m² | +45 m² +55% | 2018 |
|---|
| 327, Woodmill Lane892 m away | 111 m² | 156 m² | +45 m² +41% | 2013 |
|---|
| 5, Blenheim Gardens730 m away | 94 m² | 137 m² | +43 m² +46% | 2020 |
|---|
| 8, Grosvenor Road981 m away | 87 m² | 130 m² | +43 m² +49% | 2019 |
|---|
| 30, Bassett Green Close816 m away | 115 m² | 158 m² | +43 m² +37% | 2018 |
|---|
| 44, Granby Grove466 m away | 96 m² | 138 m² | +42 m² +44% | 2021 |
|---|
| 52, Sirdar Road631 m away | 80 m² | 122 m² | +42 m² +53% | 2020 |
|---|
| 33, Highfield Crescent976 m away | 154 m² | 196 m² | +42 m² +27% | 2013 |
|---|
| 129, Broadlands Road354 m away | 85 m² | 126 m² | +41 m² +48% | 2020 |
|---|
| 36, Mead Crescent819 m away | 84 m² | 125 m² | +41 m² +49% | 2020 |
|---|
| 58, Roselands Gardens968 m away | 119 m² | 159 m² | +40 m² +34% | 2018 |
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| 3, Lobelia Road452 m away | 86 m² | 126 m² | +40 m² +47% | 2011 |
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| 77, Mayfield Road490 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
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| 22, Elmsleigh Gardens770 m away | 107 m² | 146 m² | +39 m² +36% | 2023 |
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| 121, Laburnum Road633 m away | 63 m² | 102 m² | +39 m² +62% | 2021 |
|---|
| 36, Ripstone Gardens536 m away | 127 m² | 166 m² | +39 m² +31% | 2020 |
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| 19, Sirdar Road669 m away | 79 m² | 118 m² | +39 m² +49% | 2019 |
|---|
| 3, Sherborne Road637 m away | 91 m² | 129 m² | +38 m² +42% | 2019 |
|---|
| 40, Kitchener Road705 m away | 70 m² | 107 m² | +37 m² +53% | 2022 |
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| 47, Glen Eyre Road845 m away | 86 m² | 123 m² | +37 m² +43% | 2019 |
|---|
| 79, Upper Shaftesbury Avenue663 m away | 93 m² | 129 m² | +36 m² +39% | 2021 |
|---|
| 94, Harefield Road458 m away | 87 m² | 123 m² | +36 m² +41% | 2018 |
|---|
| 55, Kitchener Road746 m away | 100 m² | 136 m² | +36 m² +36% | 2015 |
|---|
| 256, Burgess Road108 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
|---|
| 91, Bluebell Road359 m away | 66 m² | 101 m² | +35 m² +53% | 2022 |
|---|
| 326, Burgess Road560 m away | 99 m² | 134 m² | +35 m² +35% | 2021 |
|---|
| 75, Upper Shaftesbury Avenue663 m away | 90 m² | 125 m² | +35 m² +39% | 2020 |
|---|
| 344, Burgess Road560 m away | 123 m² | 156 m² | +33 m² +27% | 2023 |
|---|
| 15, Blenheim Gardens730 m away | 80 m² | 113 m² | +33 m² +41% | 2015 |
|---|
| 23, Phillimore Road851 m away | 108 m² | 141 m² | +33 m² +31% | 2014 |
|---|
| 258, Broadlands Road324 m away | 99 m² | 131 m² | +32 m² +32% | 2020 |
|---|
| 11, Honeysuckle Road512 m away | 79 m² | 111 m² | +32 m² +41% | 2020 |
|---|
| 11, Lilac Road254 m away | 81 m² | 112 m² | +31 m² +38% | 2025 |
|---|
| 155, Mayfield Road258 m away | 110 m² | 141 m² | +31 m² +28% | 2025 |
|---|
| 16, Honeysuckle Road550 m away | 129 m² | 160 m² | +31 m² +24% | 2023 |
|---|
| 124, Broadlands Road524 m away | 101 m² | 132 m² | +31 m² +31% | 2021 |
|---|
| 10a, Harrison Road480 m away | 70 m² | 101 m² | +31 m² +44% | 2020 |
|---|
| 21, University Road771 m away | 120 m² | 151 m² | +31 m² +26% | 2020 |
|---|
| 15, Church Lane913 m away | 131 m² | 162 m² | +31 m² +24% | 2018 |
|---|
| 35, Roselands Gardens948 m away | 100 m² | 131 m² | +31 m² +31% | 2018 |
|---|
| 26, Glen Eyre Road727 m away | 122 m² | 153 m² | +31 m² +25% | 2016 |
|---|
| 76, Honeysuckle Road366 m away | 77 m² | 107 m² | +30 m² +39% | 2024 |
|---|
| 55, High Road682 m away | 84 m² | 114 m² | +30 m² +36% | 2023 |
|---|
| 30, Kitchener Road705 m away | 83 m² | 113 m² | +30 m² +36% | 2022 |
|---|
| 7, Parkville Road822 m away | 126 m² | 156 m² | +30 m² +24% | 2022 |
|---|
| 38, Granby Grove466 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
|---|
| 20, Sherborne Road644 m away | 100 m² | 130 m² | +30 m² +30% | 2021 |
|---|
| 75, Sirdar Road669 m away | 87 m² | 117 m² | +30 m² +34% | 2021 |
|---|
| 29, Elmsleigh Gardens806 m away | 80 m² | 110 m² | +30 m² +38% | 2018 |
|---|
| 52, Harefield Road458 m away | 88 m² | 117 m² | +29 m² +33% | 2021 |
|---|
| 27, Bassett Green Close859 m away | 77 m² | 106 m² | +29 m² +38% | 2020 |
|---|
| 303, Burgess Road0 m away | 84 m² | 113 m² | +29 m² +35% | 2019 |
|---|
| 17, Woodcote Road211 m away | 88 m² | 117 m² | +29 m² +33% | 2019 |
|---|
| 4, Hartley Avenue614 m away | 84 m² | 113 m² | +29 m² +35% | 2013 |
|---|
| 35, Leaside Way939 m away | 73 m² | 101 m² | +28 m² +38% | 2026 |
|---|
| 27, University Road771 m away | 150 m² | 178 m² | +28 m² +19% | 2023 |
|---|
| 301, Woodmill Lane892 m away | 95 m² | 123 m² | +28 m² +29% | 2023 |
|---|
| 33, Honeysuckle Road278 m away | 80 m² | 108 m² | +28 m² +35% | 2022 |
|---|
| 72, Mead Crescent819 m away | 94 m² | 122 m² | +28 m² +30% | 2022 |
|---|
| 39, Lobelia Road336 m away | 67 m² | 95 m² | +28 m² +42% | 2021 |
|---|
| 36, The Parkway588 m away | 106 m² | 134 m² | +28 m² +26% | 2020 |
|---|
| 21, Bealing Close132 m away | 90 m² | 118 m² | +28 m² +31% | 2019 |
|---|
| 58, Harefield Road458 m away | 88 m² | 116 m² | +28 m² +32% | 2019 |
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| 25, Mayfield Road490 m away | 102 m² | 130 m² | +28 m² +27% | 2014 |
|---|
| 37, Lilac Road254 m away | 81 m² | 109 m² | +28 m² +35% | 2012 |
|---|
| 87, Sirdar Road669 m away | 100 m² | 127 m² | +27 m² +27% | 2020 |
|---|
| 301, Burgess Road0 m away | 86 m² | 113 m² | +27 m² +31% | 2019 |
|---|
| 96, Harefield Road458 m away | 97 m² | 124 m² | +27 m² +28% | 2019 |
|---|
| 10, Oakhurst Road927 m away | 91 m² | 118 m² | +27 m² +30% | 2019 |
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| Flat 2, Sandell Court, The Parkway649 m away | 45 m² | 72 m² | +27 m² +60% | 2016 |
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| 82, Harefield Road458 m away | 87 m² | 114 m² | +27 m² +31% | 2009 |
|---|
| 6, University Road745 m away | 113 m² | 139 m² | +26 m² +23% | 2021 |
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| 62, Violet Road519 m away | 83 m² | 109 m² | +26 m² +31% | 2020 |
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| 284, Broadlands Road243 m away | 83 m² | 109 m² | +26 m² +31% | 2019 |
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| Flat 17, Sandell Court, The Parkway649 m away | 46 m² | 72 m² | +26 m² +57% | 2016 |
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| 44, Bonchurch Close679 m away | 71 m² | 96 m² | +25 m² +35% | 2024 |
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| 332, Burgess Road560 m away | 102 m² | 127 m² | +25 m² +25% | 2023 |
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| 1, Woodcote Road259 m away | 79 m² | 104 m² | +25 m² +32% | 2022 |
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| 12, Sherborne Road644 m away | 104 m² | 129 m² | +25 m² +24% | 2022 |
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| 46, Blenheim Gardens690 m away | 90 m² | 115 m² | +25 m² +28% | 2020 |
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| 30, Granby Grove466 m away | 80 m² | 105 m² | +25 m² +31% | 2019 |
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| 112, Bassett Green Road580 m away | 75 m² | 100 m² | +25 m² +33% | 2019 |
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| 599, Portswood Road804 m away | 25 m² | 50 m² | +25 m² +100% | 2017 |
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| 105, Ethelburt Avenue573 m away | 84 m² | 109 m² | +25 m² +30% | 2013 |
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| 13, Merton Road615 m away | 85 m² | 110 m² | +25 m² +29% | 2010 |
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| 112, Broadlands Road524 m away | 100 m² | 124 m² | +24 m² +24% | 2025 |
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| 403, Burgess Road552 m away | 81 m² | 105 m² | +24 m² +30% | 2024 |
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| 47, Laburnum Road403 m away | 61 m² | 85 m² | +24 m² +39% | 2023 |
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| 7, Blenheim Gardens730 m away | 107 m² | 131 m² | +24 m² +22% | 2022 |
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| 7, Broadlands Road582 m away | 93 m² | 117 m² | +24 m² +26% | 2021 |
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| 34, Kitchener Road705 m away | 80 m² | 104 m² | +24 m² +30% | 2020 |
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| 28, Granby Grove466 m away | 75 m² | 99 m² | +24 m² +32% | 2019 |
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| 59, Shaftesbury Avenue905 m away | 150 m² | 174 m² | +24 m² +16% | 2018 |
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| 70, Mayfield Road474 m away | 99 m² | 123 m² | +24 m² +24% | 2015 |
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| 17, Kitchener Road746 m away | 84 m² | 107 m² | +23 m² +27% | 2026 |
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| 43, Woodcote Road211 m away | 79 m² | 102 m² | +23 m² +29% | 2025 |
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| 111, Mayfield Road258 m away | 80 m² | 103 m² | +23 m² +29% | 2019 |
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| 8, Sherborne Road644 m away | 96 m² | 119 m² | +23 m² +24% | 2019 |
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| 41, Ripstone Gardens554 m away | 134 m² | 157 m² | +23 m² +17% | 2014 |
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| 2, Hartley Avenue614 m away | 90 m² | 113 m² | +23 m² +26% | 2013 |
|---|
| 167, Bluebell Road489 m away | 63 m² | 85 m² | +22 m² +35% | 2026 |
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| 57, Elmsleigh Gardens806 m away | 121 m² | 143 m² | +22 m² +18% | 2026 |
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| 72, Bassett Green Close907 m away | 78 m² | 100 m² | +22 m² +28% | 2024 |
|---|
| 19, Bluebell Road215 m away | 92 m² | 114 m² | +22 m² +24% | 2022 |
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| 13, Honeysuckle Road512 m away | 85 m² | 107 m² | +22 m² +26% | 2020 |
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| 87, Harefield Road455 m away | 87 m² | 109 m² | +22 m² +25% | 2019 |
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| 26, Sirdar Road631 m away | 77 m² | 99 m² | +22 m² +29% | 2019 |
|---|
| Flat 14, Roxan Mews, 450, Portswood Road818 m away | 48 m² | 70 m² | +22 m² +46% | 2019 |
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| 10, Holyrood Avenue917 m away | 116 m² | 138 m² | +22 m² +19% | 2019 |
|---|
| 97, Welbeck Avenue891 m away | 99 m² | 121 m² | +22 m² +22% | 2016 |
|---|
| 52, Honeysuckle Road366 m away | 91 m² | 113 m² | +22 m² +24% | 2015 |
|---|
| 14, Bonchurch Close679 m away | 71 m² | 93 m² | +22 m² +31% | 2015 |
|---|
| 5, Sherborne Road637 m away | 82 m² | 104 m² | +22 m² +27% | 2014 |
|---|
| 10, Sherborne Road644 m away | 85 m² | 107 m² | +22 m² +26% | 2010 |
|---|
| 21, Lilac Road254 m away | 77 m² | 98 m² | +21 m² +27% | 2025 |
|---|
| 16, Begonia Road325 m away | 74 m² | 95 m² | +21 m² +28% | 2025 |
|---|
| 79, Broadlands Road582 m away | 81 m² | 102 m² | +21 m² +26% | 2023 |
|---|
| 15, Ripstone Gardens589 m away | 91 m² | 112 m² | +21 m² +23% | 2021 |
|---|
| 17, Sherborne Road637 m away | 85 m² | 106 m² | +21 m² +25% | 2019 |
|---|
| 26, Kitchener Road705 m away | 99 m² | 120 m² | +21 m² +21% | 2019 |
|---|
| 24, Copperfield Road742 m away | 86 m² | 107 m² | +21 m² +24% | 2019 |
|---|
| Flat 24, Oakdene, Welbeck Avenue836 m away | 45 m² | 66 m² | +21 m² +47% | 2018 |
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| 405, Burgess Road552 m away | 79 m² | 100 m² | +21 m² +27% | 2014 |
|---|
| 1, Rayners Gardens765 m away | 76 m² | 97 m² | +21 m² +28% | 2014 |
|---|
| 7, Oakhurst Road927 m away | 124 m² | 145 m² | +21 m² +17% | 2014 |
|---|
| 18, Harefield Road458 m away | 85 m² | 106 m² | +21 m² +25% | 2012 |
|---|
| 122, Upper Shaftesbury Avenue704 m away | 75 m² | 95 m² | +20 m² +27% | 2026 |
|---|
| 8, Hilldown Road858 m away | 85 m² | 105 m² | +20 m² +24% | 2026 |
|---|
| 107, Ethelburt Avenue573 m away | 89 m² | 109 m² | +20 m² +22% | 2025 |
|---|
| 302, Burgess Road560 m away | 130 m² | 150 m² | +20 m² +15% | 2023 |
|---|
| 12a, Harrison Road480 m away | 80 m² | 100 m² | +20 m² +25% | 2020 |
|---|
| 6, Hartley Avenue614 m away | 96 m² | 116 m² | +20 m² +21% | 2020 |
|---|
| 73, Violet Road644 m away | 95 m² | 115 m² | +20 m² +21% | 2015 |
|---|
| 211, Burgess Road548 m away | 89 m² | 109 m² | +20 m² +22% | 2009 |
|---|
| 13, Broadlands Road582 m away | 47 m² | 67 m² | +20 m² +43% | 2009 |
|---|
| 3, Sirdar Mews, 20, Sirdar Road631 m away | 111 m² | 130 m² | +19 m² +17% | 2026 |
|---|
| 129, Mayfield Road258 m away | 95 m² | 114 m² | +19 m² +20% | 2025 |
|---|
| Flat 8, Roxan Mews, 450, Portswood Road818 m away | 50 m² | 69 m² | +19 m² +38% | 2023 |
|---|
| 257, Burgess Road363 m away | 88 m² | 107 m² | +19 m² +22% | 2021 |
|---|
| 8, Harefield Road458 m away | 93 m² | 112 m² | +19 m² +20% | 2021 |
|---|
| 113, Harrison Road469 m away | 106 m² | 125 m² | +19 m² +18% | 2020 |
|---|
| 6, Langhorn Road526 m away | 85 m² | 104 m² | +19 m² +22% | 2020 |
|---|
| 62, Northcote Road933 m away | 79 m² | 98 m² | +19 m² +24% | 2014 |
|---|
| 6, Honeysuckle Road550 m away | 63 m² | 82 m² | +19 m² +30% | 2013 |
|---|
| 5, Mayfield Road490 m away | 80 m² | 99 m² | +19 m² +24% | 2010 |
|---|
| 196, Broadlands Road324 m away | 43 m² | 62 m² | +19 m² +44% | 2009 |
|---|
| 45, Sirdar Road669 m away | 91 m² | 109 m² | +18 m² +20% | 2026 |
|---|
| 10, Binstead Close737 m away | 60 m² | 78 m² | +18 m² +30% | 2026 |
|---|
| 200, Broadlands Road324 m away | 88 m² | 106 m² | +18 m² +20% | 2025 |
|---|
| 268, Burgess Road333 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
|---|
| Flat 2, Welbeck Court, 61 - 63, Welbeck Avenue812 m away | 41 m² | 59 m² | +18 m² +44% | 2024 |
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