Finding extended homes…
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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 SO15 5LB
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 |
|---|---|---|---|---|
| 338, Hill Lane696 m away | 219 m² | 520 m² | +301 m² +137% | 2024 |
| 73, Shanklin Road490 m away | 103 m² | 208 m² | +105 m² +102% | 2022 |
| 11, Wilton Crescent671 m away | 87 m² | 184 m² | +97 m² +111% | 2021 |
| 40b, Burgess Road978 m away | 94 m² | 188 m² | +94 m² +100% | 2015 |
| 55, Shirley Avenue621 m away | 68 m² | 157 m² | +89 m² +131% | 2009 |
| 178, Wilton Road835 m away | 137 m² | 221 m² | +84 m² +61% | 2024 |
| 24, Shirley Avenue838 m away | 158 m² | 231 m² | +73 m² +46% | 2026 |
| 70, Radway Road688 m away | 76 m² | 147 m² | +71 m² +93% | 2024 |
| 83, Shirley Avenue621 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.
| 180 m² |
| 250 m² |
| +70 m² +39% |
| 2022 |
| 41, Pentire Avenue319 m away | 61 m² | 129 m² | +68 m² +111% | 2015 |
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| 6, Kineton Road805 m away | 125 m² | 192 m² | +67 m² +54% | 2017 |
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| 35, Luccombe Road414 m away | 124 m² | 189 m² | +65 m² +52% | 2026 |
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| 84, Winchester Road685 m away | 99 m² | 162 m² | +63 m² +64% | 2024 |
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| 40, Burgess Road978 m away | 108 m² | 169 m² | +61 m² +56% | 2025 |
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| 42, Pentire Avenue286 m away | 71 m² | 132 m² | +61 m² +86% | 2014 |
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| 20, Lordswood Road874 m away | 87 m² | 142 m² | +55 m² +63% | 2025 |
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| 13, Darlington Gardens526 m away | 86 m² | 141 m² | +55 m² +64% | 2024 |
|---|
| 43, Romsey Road875 m away | 69 m² | 124 m² | +55 m² +80% | 2014 |
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| 167, Wilton Road754 m away | 169 m² | 223 m² | +54 m² +32% | 2022 |
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| 305, Winchester Road562 m away | 84 m² | 138 m² | +54 m² +64% | 2021 |
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| 18, Reynolds Road802 m away | 86 m² | 139 m² | +53 m² +62% | 2025 |
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| 334, Hill Lane696 m away | 173 m² | 226 m² | +53 m² +31% | 2018 |
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| 12, Pentire Way392 m away | 116 m² | 169 m² | +53 m² +46% | 2015 |
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| 123, Howards Grove630 m away | 71 m² | 121 m² | +50 m² +70% | 2014 |
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| 19, Emsworth Road993 m away | 81 m² | 129 m² | +48 m² +59% | 2020 |
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| 328, Hill Lane620 m away | 155 m² | 203 m² | +48 m² +31% | 2015 |
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| Upper Shirley Post Office, 64, Wilton Road167 m away | 75 m² | 122 m² | +47 m² +63% | 2020 |
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| 29, Shanklin Road490 m away | 125 m² | 170 m² | +45 m² +36% | 2022 |
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| 8, Cranbourne Close600 m away | 55 m² | 100 m² | +45 m² +82% | 2014 |
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| 100, Wilton Road294 m away | 77 m² | 119 m² | +42 m² +55% | 2025 |
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| Flat 9, Seymour House, Seymour Road570 m away | 44 m² | 86 m² | +42 m² +95% | 2017 |
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| 2, Anglesea Road777 m away | 104 m² | 146 m² | +42 m² +40% | 2016 |
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| 45, Treeside Road951 m away | 70 m² | 111 m² | +41 m² +59% | 2014 |
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| 20, Leicester Road555 m away | 96 m² | 136 m² | +40 m² +42% | 2017 |
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| 175, Hill Lane851 m away | 135 m² | 175 m² | +40 m² +30% | 2016 |
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| 17, Springford Crescent969 m away | 95 m² | 135 m² | +40 m² +42% | 2015 |
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| 4, Reynolds Road802 m away | 99 m² | 139 m² | +40 m² +40% | 2014 |
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| 14, Eastbourne Avenue767 m away | 82 m² | 121 m² | +39 m² +48% | 2026 |
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| 28, Dawlish Avenue655 m away | 86 m² | 125 m² | +39 m² +45% | 2025 |
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| 23, Anglesea Road746 m away | 103 m² | 141 m² | +38 m² +37% | 2020 |
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| 155, Hill Lane908 m away | 112 m² | 150 m² | +38 m² +34% | 2016 |
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| 65, Wilton Crescent485 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
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| 33, Rockleigh Road973 m away | 79 m² | 116 m² | +37 m² +47% | 2022 |
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| 65, Anglesea Road591 m away | 89 m² | 125 m² | +36 m² +40% | 2026 |
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| 144, Wilton Road631 m away | 153 m² | 189 m² | +36 m² +24% | 2024 |
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| 170, Winchester Road356 m away | 111 m² | 147 m² | +36 m² +32% | 2013 |
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| 27, Rockleigh Road973 m away | 83 m² | 118 m² | +35 m² +42% | 2025 |
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| 13, Pirrie Close434 m away | 108 m² | 143 m² | +35 m² +32% | 2023 |
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| 20, Gurney Road784 m away | 100 m² | 135 m² | +35 m² +35% | 2020 |
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| 32, Salem Street458 m away | 81 m² | 116 m² | +35 m² +43% | 2014 |
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| 18, Hunton Close668 m away | 82 m² | 116 m² | +34 m² +41% | 2024 |
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| 238, Hill Lane809 m away | 173 m² | 207 m² | +34 m² +20% | 2016 |
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| 2, Harland Crescent319 m away | 114 m² | 147 m² | +33 m² +29% | 2025 |
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| 12, Norham Avenue283 m away | 81 m² | 114 m² | +33 m² +41% | 2016 |
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| 13, Twyford Avenue361 m away | 106 m² | 138 m² | +32 m² +30% | 2026 |
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| 8, Jessamine Road833 m away | 84 m² | 116 m² | +32 m² +38% | 2021 |
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| 19 - 21, Shirley High Street903 m away | 35 m² | 67 m² | +32 m² +91% | 2021 |
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| Flat 12, Seymour House, Seymour Road570 m away | 42 m² | 74 m² | +32 m² +76% | 2017 |
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| Flat 10, Seymour House, Seymour Road570 m away | 43 m² | 75 m² | +32 m² +74% | 2017 |
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| 82, Church Street441 m away | 74 m² | 105 m² | +31 m² +42% | 2022 |
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| 64, Darlington Gardens505 m away | 101 m² | 132 m² | +31 m² +31% | 2017 |
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| 52, Linford Crescent846 m away | 72 m² | 103 m² | +31 m² +43% | 2017 |
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| 12, Anglesea Road777 m away | 79 m² | 110 m² | +31 m² +39% | 2014 |
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| 4, Pentire Avenue286 m away | 110 m² | 140 m² | +30 m² +27% | 2020 |
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| 21, Wilton Road68 m away | 82 m² | 112 m² | +30 m² +37% | 2016 |
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| 35, Norham Avenue253 m away | 87 m² | 116 m² | +29 m² +33% | 2020 |
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| 18, Laundry Road819 m away | 55 m² | 83 m² | +28 m² +51% | 2025 |
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| 1a, Eastbourne Avenue791 m away | 59 m² | 87 m² | +28 m² +47% | 2021 |
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| Flat 14, Seymour House, Seymour Road570 m away | 42 m² | 70 m² | +28 m² +67% | 2017 |
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| 6, Wilton Crescent645 m away | 87 m² | 114 m² | +27 m² +31% | 2026 |
|---|
| 29, Rockleigh Road973 m away | 91 m² | 118 m² | +27 m² +30% | 2020 |
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| Flat 11, Seymour House, Seymour Road570 m away | 41 m² | 68 m² | +27 m² +66% | 2017 |
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| 28, Shayer Road149 m away | 78 m² | 105 m² | +27 m² +35% | 2015 |
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| 39, Eastbourne Avenue791 m away | 109 m² | 135 m² | +26 m² +24% | 2023 |
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| 21, Romsey Road875 m away | 69 m² | 95 m² | +26 m² +38% | 2019 |
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| 12, Twyford Avenue390 m away | 113 m² | 139 m² | +26 m² +23% | 2018 |
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| 101, Upper Shirley Avenue459 m away | 160 m² | 186 m² | +26 m² +16% | 2015 |
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| 15, Shanklin Crescent561 m away | 130 m² | 155 m² | +25 m² +19% | 2020 |
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| 58, St James Close233 m away | 68 m² | 93 m² | +25 m² +37% | 2019 |
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| Flat 16, Seymour House, Seymour Road570 m away | 38 m² | 63 m² | +25 m² +66% | 2017 |
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| 1, Norham Close267 m away | 63 m² | 88 m² | +25 m² +40% | 2015 |
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| 90, Shirley Avenue606 m away | 114 m² | 139 m² | +25 m² +22% | 2015 |
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| 9, Dale Valley Close355 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
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| 8, Winchester Road884 m away | 83 m² | 107 m² | +24 m² +29% | 2021 |
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| 7, Luccombe Road430 m away | 122 m² | 146 m² | +24 m² +20% | 2015 |
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| 3a, Whithedwood Avenue741 m away | 84 m² | 107 m² | +23 m² +27% | 2026 |
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| 63, Wilton Road138 m away | 106 m² | 129 m² | +23 m² +22% | 2016 |
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| 1, Tremona Road737 m away | 77 m² | 100 m² | +23 m² +30% | 2015 |
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| 100, Shirley High Street892 m away | 54 m² | 76 m² | +22 m² +41% | 2025 |
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| 6, Harland Crescent319 m away | 103 m² | 125 m² | +22 m² +21% | 2024 |
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| 1, Vinery Gardens435 m away | 94 m² | 116 m² | +22 m² +23% | 2024 |
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| 13, Hunton Close668 m away | 72 m² | 94 m² | +22 m² +31% | 2024 |
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| 33, Cedar Avenue758 m away | 99 m² | 121 m² | +22 m² +22% | 2023 |
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| Flat 12, Norcroft Court, Winchester Road124 m away | 50 m² | 72 m² | +22 m² +44% | 2022 |
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| Flat 2, 42, Bellemoor Road165 m away | 40 m² | 62 m² | +22 m² +55% | 2022 |
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| 1, Dawlish Avenue731 m away | 75 m² | 97 m² | +22 m² +29% | 2021 |
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| 88c, Upper Shirley Avenue422 m away | 50 m² | 72 m² | +22 m² +44% | 2015 |
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| 2, Vincent Street764 m away | 91 m² | 113 m² | +22 m² +24% | 2014 |
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| 72, Wilton Crescent233 m away | 93 m² | 114 m² | +21 m² +23% | 2026 |
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| 30, Dale Road339 m away | 101 m² | 122 m² | +21 m² +21% | 2024 |
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| 1, Bracken Lane998 m away | 136 m² | 157 m² | +21 m² +15% | 2023 |
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| 28, Sandown Road786 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
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| 12, Dale Valley Close355 m away | 58 m² | 79 m² | +21 m² +36% | 2019 |
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| 85, Dale Valley Road652 m away | 92 m² | 113 m² | +21 m² +23% | 2016 |
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| 6, Luccombe Road391 m away | 93 m² | 114 m² | +21 m² +23% | 2014 |
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| 1, Fuchsia Gardens300 m away | 76 m² | 97 m² | +21 m² +28% | 2012 |
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| 18, Cedar Avenue791 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
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| 20, St James Road876 m away | 132 m² | 152 m² | +20 m² +15% | 2026 |
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| 21, Norham Avenue253 m away | 62 m² | 82 m² | +20 m² +32% | 2025 |
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| 1, Twyford Avenue319 m away | 113 m² | 133 m² | +20 m² +18% | 2019 |
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| 7, Eastbourne Avenue791 m away | 50 m² | 70 m² | +20 m² +40% | 2018 |
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| 2, Darlington Gardens495 m away | 100 m² | 120 m² | +20 m² +20% | 2014 |
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| 10, Reynolds Road802 m away | 84 m² | 103 m² | +19 m² +23% | 2021 |
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| Flat 15, Seymour House, Seymour Road570 m away | 43 m² | 62 m² | +19 m² +44% | 2017 |
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| Flat 13, Seymour House, Seymour Road570 m away | 55 m² | 74 m² | +19 m² +35% | 2017 |
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| 108, Winchester Road685 m away | 118 m² | 137 m² | +19 m² +16% | 2016 |
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| 354, Winchester Road651 m away | 118 m² | 137 m² | +19 m² +16% | 2015 |
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| 315, Winchester Road562 m away | 112 m² | 131 m² | +19 m² +17% | 2014 |
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| 57, Rockleigh Road973 m away | 97 m² | 115 m² | +18 m² +19% | 2024 |
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| Flat 2, Winton Court, 302, Winchester Road447 m away | 60 m² | 78 m² | +18 m² +30% | 2020 |
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| Flat 16, Chester Court, 258, Winchester Road228 m away | 29 m² | 47 m² | +18 m² +62% | 2017 |
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| 11, Hunton Close668 m away | 82 m² | 100 m² | +18 m² +22% | 2011 |
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| 9, Wilton Road68 m away | 88 m² | 105 m² | +17 m² +19% | 2024 |
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| 20, Bladon Road337 m away | 85 m² | 102 m² | +17 m² +20% | 2024 |
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| 93, Norham Avenue387 m away | 70 m² | 87 m² | +17 m² +24% | 2023 |
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| 19, Rockleigh Road973 m away | 87 m² | 104 m² | +17 m² +20% | 2021 |
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| 383, Winchester Road868 m away | 90 m² | 107 m² | +17 m² +19% | 2017 |
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| 30, Shayer Road149 m away | 78 m² | 95 m² | +17 m² +22% | 2013 |
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| 5, Medina Road707 m away | 34 m² | 51 m² | +17 m² +50% | 2012 |
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| 344b, Winchester Road651 m away | 95 m² | 111 m² | +16 m² +17% | 2025 |
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| Flat 4, 3, Briarswood523 m away | 21 m² | 37 m² | +16 m² +76% | 2023 |
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| 24, Treeside Road965 m away | 96 m² | 112 m² | +16 m² +17% | 2020 |
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| 66, Bellemoor Road165 m away | 84 m² | 100 m² | +16 m² +19% | 2016 |
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| 20, Salem Street458 m away | 75 m² | 91 m² | +16 m² +21% | 2013 |
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| 3, Seymour Close587 m away | 78 m² | 94 m² | +16 m² +21% | 2013 |
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| 9, Darlington Gardens526 m away | 90 m² | 105 m² | +15 m² +17% | 2025 |
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| 19, Torquay Avenue680 m away | 85 m² | 100 m² | +15 m² +18% | 2024 |
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| 1, Emsworth Road993 m away | 52 m² | 67 m² | +15 m² +29% | 2016 |
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| 346, Winchester Road651 m away | 99 m² | 114 m² | +15 m² +15% | 2014 |
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| 316, Winchester Road651 m away | 85 m² | 100 m² | +15 m² +18% | 2010 |
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