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 3BD
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 Road999 m away | 98 m² | 209 m² | +111 m² +113% | 2022 |
| 209, Leaside Way728 m away | 81 m² | 171 m² | +90 m² +111% | 2018 |
| 2, Greenways833 m away | 80 m² | 162 m² | +82 m² +102% | 2021 |
| 31, Welbeck Avenue909 m away | 91 m² | 172 m² | +81 m² +89% | 2021 |
| 18, Woodcote Road184 m away | 91 m² | 169 m² | +78 m² +86% | 2021 |
| 87, Upper Shaftesbury Avenue721 m away | 64 m² | 140 m² | +76 m² +119% | 2024 |
| 61, Granby Grove608 m away | 89 m² | 164 m² | +75 m² +84% | 2018 |
| 153, Broadlands Road534 m away | 85 m² | 159 m² | +74 m² +87% | 2019 |
| 7, Langhorn Road256 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.
| 71 m² |
| 144 m² |
| +73 m² +103% |
| 2015 |
| 276, Broadlands Road476 m away | 80 m² | 150 m² | +70 m² +88% | 2022 |
|---|
| 34, Blenheim Gardens826 m away | 85 m² | 154 m² | +69 m² +81% | 2013 |
|---|
| 59, Bassett Green Close855 m away | 107 m² | 175 m² | +68 m² +64% | 2021 |
|---|
| 46, Ripstone Gardens643 m away | 113 m² | 181 m² | +68 m² +60% | 2020 |
|---|
| 71, Welbeck Avenue909 m away | 237 m² | 303 m² | +66 m² +28% | 2022 |
|---|
| 38, Ripstone Gardens643 m away | 92 m² | 158 m² | +66 m² +72% | 2021 |
|---|
| 1, Blenheim Gardens833 m away | 160 m² | 226 m² | +66 m² +41% | 2019 |
|---|
| 20a, Sirdar Road580 m away | 122 m² | 187 m² | +65 m² +53% | 2024 |
|---|
| 69, Welbeck Avenue909 m away | 174 m² | 239 m² | +65 m² +37% | 2022 |
|---|
| 45, Harrison Road304 m away | 94 m² | 156 m² | +62 m² +66% | 2015 |
|---|
| 2a, University Road919 m away | 93 m² | 155 m² | +62 m² +67% | 2014 |
|---|
| 25, Ripstone Gardens678 m away | 105 m² | 166 m² | +61 m² +58% | 2022 |
|---|
| 254, Burgess Road199 m away | 87 m² | 148 m² | +61 m² +70% | 2020 |
|---|
| 51, Granby Grove608 m away | 84 m² | 140 m² | +56 m² +67% | 2024 |
|---|
| 25, Holyrood Avenue994 m away | 117 m² | 173 m² | +56 m² +48% | 2019 |
|---|
| 57, Kitchener Road698 m away | 86 m² | 142 m² | +56 m² +65% | 2011 |
|---|
| 282, Broadlands Road519 m away | 77 m² | 130 m² | +53 m² +69% | 2018 |
|---|
| 41, Granby Grove608 m away | 93 m² | 144 m² | +51 m² +55% | 2024 |
|---|
| 23, Kitchener Road698 m away | 78 m² | 128 m² | +50 m² +64% | 2013 |
|---|
| 77, Upper Shaftesbury Avenue721 m away | 83 m² | 132 m² | +49 m² +59% | 2019 |
|---|
| 11, Welbeck Avenue909 m away | 194 m² | 243 m² | +49 m² +25% | 2019 |
|---|
| 44, Broadlands Road447 m away | 105 m² | 154 m² | +49 m² +47% | 2014 |
|---|
| 17, Somerset Road898 m away | 85 m² | 134 m² | +49 m² +58% | 2014 |
|---|
| 30, Lilac Road500 m away | 84 m² | 132 m² | +48 m² +57% | 2020 |
|---|
| 22, Granby Grove570 m away | 79 m² | 127 m² | +48 m² +61% | 2010 |
|---|
| 7, Phillimore Road582 m away | 149 m² | 196 m² | +47 m² +32% | 2022 |
|---|
| 34, Ripstone Gardens643 m away | 122 m² | 169 m² | +47 m² +39% | 2021 |
|---|
| 76, Kitchener Road662 m away | 140 m² | 187 m² | +47 m² +34% | 2021 |
|---|
| 82, Welbeck Avenue923 m away | 141 m² | 188 m² | +47 m² +33% | 2019 |
|---|
| 90, Honeysuckle Road493 m away | 87 m² | 133 m² | +46 m² +53% | 2020 |
|---|
| 51, Welbeck Avenue909 m away | 103 m² | 149 m² | +46 m² +45% | 2018 |
|---|
| 40, Ripstone Gardens643 m away | 107 m² | 152 m² | +45 m² +42% | 2021 |
|---|
| 17, Merton Road748 m away | 90 m² | 135 m² | +45 m² +50% | 2019 |
|---|
| 8, Granby Grove570 m away | 82 m² | 127 m² | +45 m² +55% | 2018 |
|---|
| 327, Woodmill Lane609 m away | 111 m² | 156 m² | +45 m² +41% | 2013 |
|---|
| 5, Blenheim Gardens833 m away | 94 m² | 137 m² | +43 m² +46% | 2020 |
|---|
| 8, Grosvenor Road979 m away | 87 m² | 130 m² | +43 m² +49% | 2019 |
|---|
| 30, Bassett Green Close973 m away | 115 m² | 158 m² | +43 m² +37% | 2018 |
|---|
| 44, Granby Grove570 m away | 96 m² | 138 m² | +42 m² +44% | 2021 |
|---|
| 52, Sirdar Road580 m away | 80 m² | 122 m² | +42 m² +53% | 2020 |
|---|
| 55, Channels Farm Road824 m away | 126 m² | 167 m² | +41 m² +33% | 2022 |
|---|
| 129, Broadlands Road534 m away | 85 m² | 126 m² | +41 m² +48% | 2020 |
|---|
| 36, Mead Crescent555 m away | 84 m² | 125 m² | +41 m² +49% | 2020 |
|---|
| 3, Lobelia Road477 m away | 86 m² | 126 m² | +40 m² +47% | 2011 |
|---|
| 77, Mayfield Road394 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 121, Laburnum Road373 m away | 63 m² | 102 m² | +39 m² +62% | 2021 |
|---|
| 36, Ripstone Gardens643 m away | 127 m² | 166 m² | +39 m² +31% | 2020 |
|---|
| 19, Sirdar Road620 m away | 79 m² | 118 m² | +39 m² +49% | 2019 |
|---|
| 3, Sherborne Road733 m away | 91 m² | 129 m² | +38 m² +42% | 2019 |
|---|
| 40, Kitchener Road662 m away | 70 m² | 107 m² | +37 m² +53% | 2022 |
|---|
| 5, Greenways833 m away | 80 m² | 116 m² | +36 m² +45% | 2023 |
|---|
| 79, Upper Shaftesbury Avenue721 m away | 93 m² | 129 m² | +36 m² +39% | 2021 |
|---|
| 94, Harefield Road208 m away | 87 m² | 123 m² | +36 m² +41% | 2018 |
|---|
| 55, Kitchener Road698 m away | 100 m² | 136 m² | +36 m² +36% | 2015 |
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| 256, Burgess Road199 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
|---|
| 91, Bluebell Road139 m away | 66 m² | 101 m² | +35 m² +53% | 2022 |
|---|
| 326, Burgess Road261 m away | 99 m² | 134 m² | +35 m² +35% | 2021 |
|---|
| 75, Upper Shaftesbury Avenue721 m away | 90 m² | 125 m² | +35 m² +39% | 2020 |
|---|
| 63, Greenlea Crescent962 m away | 77 m² | 111 m² | +34 m² +44% | 2024 |
|---|
| 344, Burgess Road261 m away | 123 m² | 156 m² | +33 m² +27% | 2023 |
|---|
| 15, Blenheim Gardens833 m away | 80 m² | 113 m² | +33 m² +41% | 2015 |
|---|
| 23, Phillimore Road582 m away | 108 m² | 141 m² | +33 m² +31% | 2014 |
|---|
| 258, Broadlands Road476 m away | 99 m² | 131 m² | +32 m² +32% | 2020 |
|---|
| 11, Honeysuckle Road812 m away | 79 m² | 111 m² | +32 m² +41% | 2020 |
|---|
| 155, Mayfield Road428 m away | 110 m² | 141 m² | +31 m² +28% | 2025 |
|---|
| 11, Lilac Road532 m away | 81 m² | 112 m² | +31 m² +38% | 2025 |
|---|
| 16, Honeysuckle Road850 m away | 129 m² | 160 m² | +31 m² +24% | 2023 |
|---|
| 124, Broadlands Road447 m away | 101 m² | 132 m² | +31 m² +31% | 2021 |
|---|
| 10a, Harrison Road287 m away | 70 m² | 101 m² | +31 m² +44% | 2020 |
|---|
| 21, University Road953 m away | 120 m² | 151 m² | +31 m² +26% | 2020 |
|---|
| 76, Honeysuckle Road666 m away | 77 m² | 107 m² | +30 m² +39% | 2024 |
|---|
| 55, High Road385 m away | 84 m² | 114 m² | +30 m² +36% | 2023 |
|---|
| 7, Parkville Road524 m away | 126 m² | 156 m² | +30 m² +24% | 2022 |
|---|
| 30, Kitchener Road662 m away | 83 m² | 113 m² | +30 m² +36% | 2022 |
|---|
| 38, Granby Grove570 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
|---|
| 75, Sirdar Road620 m away | 87 m² | 117 m² | +30 m² +34% | 2021 |
|---|
| 20, Sherborne Road727 m away | 100 m² | 130 m² | +30 m² +30% | 2021 |
|---|
| 22, Greenways833 m away | 116 m² | 146 m² | +30 m² +26% | 2016 |
|---|
| 3, Greenways833 m away | 138 m² | 167 m² | +29 m² +21% | 2025 |
|---|
| 52, Harefield Road208 m away | 88 m² | 117 m² | +29 m² +33% | 2021 |
|---|
| 17, Woodcote Road183 m away | 88 m² | 117 m² | +29 m² +33% | 2019 |
|---|
| 303, Burgess Road300 m away | 84 m² | 113 m² | +29 m² +35% | 2019 |
|---|
| 4, Hartley Avenue768 m away | 84 m² | 113 m² | +29 m² +35% | 2013 |
|---|
| 35, Leaside Way766 m away | 73 m² | 101 m² | +28 m² +38% | 2026 |
|---|
| 301, Woodmill Lane609 m away | 95 m² | 123 m² | +28 m² +29% | 2023 |
|---|
| 27, University Road953 m away | 150 m² | 178 m² | +28 m² +19% | 2023 |
|---|
| 72, Mead Crescent555 m away | 94 m² | 122 m² | +28 m² +30% | 2022 |
|---|
| 33, Honeysuckle Road577 m away | 80 m² | 108 m² | +28 m² +35% | 2022 |
|---|
| 39, Lobelia Road377 m away | 67 m² | 95 m² | +28 m² +42% | 2021 |
|---|
| 36, The Parkway824 m away | 106 m² | 134 m² | +28 m² +26% | 2020 |
|---|
| 58, Harefield Road208 m away | 88 m² | 116 m² | +28 m² +32% | 2019 |
|---|
| 21, Bealing Close289 m away | 90 m² | 118 m² | +28 m² +31% | 2019 |
|---|
| 25, Mayfield Road394 m away | 102 m² | 130 m² | +28 m² +27% | 2014 |
|---|
| 37, Lilac Road532 m away | 81 m² | 109 m² | +28 m² +35% | 2012 |
|---|
| 87, Sirdar Road620 m away | 100 m² | 127 m² | +27 m² +27% | 2020 |
|---|
| 96, Harefield Road208 m away | 97 m² | 124 m² | +27 m² +28% | 2019 |
|---|
| 301, Burgess Road300 m away | 86 m² | 113 m² | +27 m² +31% | 2019 |
|---|
| Flat 2, Sandell Court, The Parkway848 m away | 45 m² | 72 m² | +27 m² +60% | 2016 |
|---|
| 82, Harefield Road208 m away | 87 m² | 114 m² | +27 m² +31% | 2009 |
|---|
| 6, University Road919 m away | 113 m² | 139 m² | +26 m² +23% | 2021 |
|---|
| 62, Violet Road805 m away | 83 m² | 109 m² | +26 m² +31% | 2020 |
|---|
| 284, Broadlands Road519 m away | 83 m² | 109 m² | +26 m² +31% | 2019 |
|---|
| Flat 17, Sandell Court, The Parkway848 m away | 46 m² | 72 m² | +26 m² +57% | 2016 |
|---|
| 44, Bonchurch Close606 m away | 71 m² | 96 m² | +25 m² +35% | 2024 |
|---|
| 332, Burgess Road261 m away | 102 m² | 127 m² | +25 m² +25% | 2023 |
|---|
| 1, Woodcote Road278 m away | 79 m² | 104 m² | +25 m² +32% | 2022 |
|---|
| 12, Sherborne Road727 m away | 104 m² | 129 m² | +25 m² +24% | 2022 |
|---|
| 46, Blenheim Gardens826 m away | 90 m² | 115 m² | +25 m² +28% | 2020 |
|---|
| 112, Bassett Green Road558 m away | 75 m² | 100 m² | +25 m² +33% | 2019 |
|---|
| 30, Granby Grove570 m away | 80 m² | 105 m² | +25 m² +31% | 2019 |
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| 599, Portswood Road700 m away | 25 m² | 50 m² | +25 m² +100% | 2017 |
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| 105, Ethelburt Avenue455 m away | 84 m² | 109 m² | +25 m² +30% | 2013 |
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| 13, Merton Road748 m away | 85 m² | 110 m² | +25 m² +29% | 2010 |
|---|
| 112, Broadlands Road447 m away | 100 m² | 124 m² | +24 m² +24% | 2025 |
|---|
| 403, Burgess Road255 m away | 81 m² | 105 m² | +24 m² +30% | 2024 |
|---|
| 47, Laburnum Road258 m away | 61 m² | 85 m² | +24 m² +39% | 2023 |
|---|
| 7, Blenheim Gardens833 m away | 107 m² | 131 m² | +24 m² +22% | 2022 |
|---|
| 7, Broadlands Road497 m away | 93 m² | 117 m² | +24 m² +26% | 2021 |
|---|
| 34, Kitchener Road662 m away | 80 m² | 104 m² | +24 m² +30% | 2020 |
|---|
| 28, Granby Grove570 m away | 75 m² | 99 m² | +24 m² +32% | 2019 |
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| 59, Shaftesbury Avenue964 m away | 150 m² | 174 m² | +24 m² +16% | 2018 |
|---|
| 70, Mayfield Road353 m away | 99 m² | 123 m² | +24 m² +24% | 2015 |
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| 17, Kitchener Road698 m away | 84 m² | 107 m² | +23 m² +27% | 2026 |
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| 43, Woodcote Road183 m away | 79 m² | 102 m² | +23 m² +29% | 2025 |
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| 111, Mayfield Road428 m away | 80 m² | 103 m² | +23 m² +29% | 2019 |
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| 8, Sherborne Road727 m away | 96 m² | 119 m² | +23 m² +24% | 2019 |
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| 41, Ripstone Gardens705 m away | 134 m² | 157 m² | +23 m² +17% | 2014 |
|---|
| 2, Hartley Avenue768 m away | 90 m² | 113 m² | +23 m² +26% | 2013 |
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| 167, Bluebell Road228 m away | 63 m² | 85 m² | +22 m² +35% | 2026 |
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| 19, Bluebell Road433 m away | 92 m² | 114 m² | +22 m² +24% | 2022 |
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| 13, Honeysuckle Road812 m away | 85 m² | 107 m² | +22 m² +26% | 2020 |
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| 87, Harefield Road235 m away | 87 m² | 109 m² | +22 m² +25% | 2019 |
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| 26, Sirdar Road580 m away | 77 m² | 99 m² | +22 m² +29% | 2019 |
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| Flat 14, Roxan Mews, 450, Portswood Road690 m away | 48 m² | 70 m² | +22 m² +46% | 2019 |
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| 10, Holyrood Avenue994 m away | 116 m² | 138 m² | +22 m² +19% | 2019 |
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| 97, Welbeck Avenue885 m away | 99 m² | 121 m² | +22 m² +22% | 2016 |
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| 14, Bonchurch Close606 m away | 71 m² | 93 m² | +22 m² +31% | 2015 |
|---|
| 52, Honeysuckle Road666 m away | 91 m² | 113 m² | +22 m² +24% | 2015 |
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| 5, Sherborne Road733 m away | 82 m² | 104 m² | +22 m² +27% | 2014 |
|---|
| 10, Sherborne Road727 m away | 85 m² | 107 m² | +22 m² +26% | 2010 |
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| 21, Lilac Road532 m away | 77 m² | 98 m² | +21 m² +27% | 2025 |
|---|
| 16, Begonia Road621 m away | 74 m² | 95 m² | +21 m² +28% | 2025 |
|---|
| 79, Broadlands Road497 m away | 81 m² | 102 m² | +21 m² +26% | 2023 |
|---|
| 15, Ripstone Gardens662 m away | 91 m² | 112 m² | +21 m² +23% | 2021 |
|---|
| 26, Kitchener Road662 m away | 99 m² | 120 m² | +21 m² +21% | 2019 |
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| 17, Sherborne Road733 m away | 85 m² | 106 m² | +21 m² +25% | 2019 |
|---|
| Flat 24, Oakdene, Welbeck Avenue983 m away | 45 m² | 66 m² | +21 m² +47% | 2018 |
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| 405, Burgess Road255 m away | 79 m² | 100 m² | +21 m² +27% | 2014 |
|---|
| 1, Rayners Gardens466 m away | 76 m² | 97 m² | +21 m² +28% | 2014 |
|---|
| 18, Harefield Road208 m away | 85 m² | 106 m² | +21 m² +25% | 2012 |
|---|
| 122, Upper Shaftesbury Avenue751 m away | 75 m² | 95 m² | +20 m² +27% | 2026 |
|---|
| 107, Ethelburt Avenue455 m away | 89 m² | 109 m² | +20 m² +22% | 2025 |
|---|
| 302, Burgess Road261 m away | 130 m² | 150 m² | +20 m² +15% | 2023 |
|---|
| 12a, Harrison Road287 m away | 80 m² | 100 m² | +20 m² +25% | 2020 |
|---|
| 6, Hartley Avenue768 m away | 96 m² | 116 m² | +20 m² +21% | 2020 |
|---|
| 73, Violet Road931 m away | 95 m² | 115 m² | +20 m² +21% | 2015 |
|---|
| 45, Greenlea Crescent962 m away | 71 m² | 91 m² | +20 m² +28% | 2014 |
|---|
| 13, Broadlands Road497 m away | 47 m² | 67 m² | +20 m² +43% | 2009 |
|---|
| 211, Burgess Road845 m away | 89 m² | 109 m² | +20 m² +22% | 2009 |
|---|
| 3, Sirdar Mews, 20, Sirdar Road580 m away | 111 m² | 130 m² | +19 m² +17% | 2026 |
|---|
| 129, Mayfield Road428 m away | 95 m² | 114 m² | +19 m² +20% | 2025 |
|---|
| Flat 8, Roxan Mews, 450, Portswood Road690 m away | 50 m² | 69 m² | +19 m² +38% | 2023 |
|---|
| 8, Harefield Road208 m away | 93 m² | 112 m² | +19 m² +20% | 2021 |
|---|
| 257, Burgess Road661 m away | 88 m² | 107 m² | +19 m² +22% | 2021 |
|---|
| 6, Langhorn Road245 m away | 85 m² | 104 m² | +19 m² +22% | 2020 |
|---|
| 113, Harrison Road304 m away | 106 m² | 125 m² | +19 m² +18% | 2020 |
|---|
| 62, Northcote Road886 m away | 79 m² | 98 m² | +19 m² +24% | 2014 |
|---|
| 6, Honeysuckle Road850 m away | 63 m² | 82 m² | +19 m² +30% | 2013 |
|---|
| 5, Mayfield Road394 m away | 80 m² | 99 m² | +19 m² +24% | 2010 |
|---|
| 196, Broadlands Road476 m away | 43 m² | 62 m² | +19 m² +44% | 2009 |
|---|
| 10, Binstead Close618 m away | 60 m² | 78 m² | +18 m² +30% | 2026 |
|---|
| 45, Sirdar Road620 m away | 91 m² | 109 m² | +18 m² +20% | 2026 |
|---|
| 268, Burgess Road50 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
|---|
| 200, Broadlands Road476 m away | 88 m² | 106 m² | +18 m² +20% | 2025 |
|---|
| Flat 2, Welbeck Court, 61 - 63, Welbeck Avenue909 m away | 41 m² | 59 m² | +18 m² +44% | 2024 |
|---|
| 184, Honeysuckle Road285 m away | 98 m² | 116 m² | +18 m² +18% | 2023 |
|---|
| 29, Lupin Road463 m away | 73 m² | 91 m² | +18 m² +25% | 2023 |
|---|
| 47, Sirdar Road620 m away | 90 m² | 108 m² | +18 m² +20% | 2020 |
|---|
| 126, Mayfield Road353 m away | 83 m² | 101 m² | +18 m² +22% | 2019 |
|---|
| 62, Sirdar Road580 m away | 80 m² | 98 m² | +18 m² +23% | 2019 |
|---|
| 16, Blenheim Gardens792 m away | 86 m² | 104 m² | +18 m² +21% | 2019 |
|---|
| 2, Lupin Road446 m away | 81 m² | 99 m² | +18 m² +22% | 2016 |
|---|
| 12, Harrison Road287 m away | 70 m² | 88 m² | +18 m² +26% | 2015 |
|---|
| 26, Bassett Green Road697 m away | 81 m² | 99 m² | +18 m² +22% | 2014 |
|---|
| 28, Sirdar Road580 m away | 84 m² | 101 m² | +17 m² +20% | 2026 |
|---|
| 23, Willis Road672 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
|---|
| 363, Burgess Road0 m away | 74 m² | 91 m² | +17 m² +23% | 2024 |
|---|
| 38, Bluebell Road416 m away | 72 m² | 89 m² | +17 m² +24% | 2024 |
|---|
| 27, Honeysuckle Road663 m away | 79 m² | 96 m² | +17 m² +22% | 2024 |
|---|
| 121, Broadlands Road534 m away | 89 m² | 106 m² | +17 m² +19% | 2023 |
|---|
| 45, Violet Road690 m away | 85 m² | 102 m² | +17 m² +20% | 2023 |
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