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 SO30 0FD
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 |
|---|---|---|---|---|
| 84, Upper St Helens Road540 m away | 148 m² | 325 m² | +177 m² +120% | 2020 |
| 30, Hobb Lane507 m away | 77 m² | 184 m² | +107 m² +139% | 2021 |
| 53, Hobb Lane512 m away | 67 m² | 162 m² | +95 m² +142% | 2023 |
| 111, Bursledon Road922 m away | 73 m² | 158 m² | +85 m² +116% | 2023 |
| 4, Richlans Road541 m away | 76 m² | 154 m² | +78 m² +103% | 2018 |
| 15, Havendale0 m away | 60 m² | 136 m² | +76 m² +127% | 2024 |
| 1, Coniston Gardens704 m away | 74 m² | 147 m² | +73 m² +99% | 2022 |
| 6, Freegrounds Road772 m away | 98 m² | 168 m² | +70 m² +71% | 2015 |
| 29a, Freegrounds Road494 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.
| 73 m² |
| 140 m² |
| +67 m² +92% |
| 2014 |
| 2b, Alexandra Road982 m away | 78 m² | 142 m² | +64 m² +82% | 2016 |
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| 44, Lower Northam Road827 m away | 72 m² | 135 m² | +63 m² +88% | 2015 |
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| 12, Coniston Gardens704 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
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| 33, Hobb Lane512 m away | 76 m² | 131 m² | +55 m² +72% | 2015 |
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| 69, Freegrounds Road494 m away | 91 m² | 143 m² | +52 m² +57% | 2016 |
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| 7, Bedford Close462 m away | 41 m² | 91 m² | +50 m² +122% | 2015 |
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| 1, Yardley Road739 m away | 84 m² | 132 m² | +48 m² +57% | 2022 |
|---|
| 65, Yardley Road655 m away | 70 m² | 117 m² | +47 m² +67% | 2014 |
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| 23, Woodstock Close225 m away | 67 m² | 113 m² | +46 m² +69% | 2026 |
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| 68, Sherborne Way651 m away | 71 m² | 117 m² | +46 m² +65% | 2025 |
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| 64, Freegrounds Road220 m away | 103 m² | 149 m² | +46 m² +45% | 2015 |
|---|
| 87, Bursledon Road922 m away | 91 m² | 136 m² | +45 m² +49% | 2012 |
|---|
| 1, Pretoria Road953 m away | 86 m² | 130 m² | +44 m² +51% | 2018 |
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| 70, Upper St Helens Road687 m away | 77 m² | 120 m² | +43 m² +56% | 2023 |
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| 38, Stockholm Drive723 m away | 77 m² | 119 m² | +42 m² +55% | 2026 |
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| 23, Upper St Helens Road878 m away | 69 m² | 111 m² | +42 m² +61% | 2015 |
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| 16, Salwey Road249 m away | 107 m² | 149 m² | +42 m² +39% | 2014 |
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| 19, Nordik Gardens574 m away | 81 m² | 121 m² | +40 m² +49% | 2021 |
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| 22, Smith Grove605 m away | 119 m² | 157 m² | +38 m² +32% | 2026 |
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| 16, Lower St Helens Road367 m away | 161 m² | 198 m² | +37 m² +23% | 2022 |
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| 27, Precosa Road389 m away | 45 m² | 82 m² | +37 m² +82% | 2020 |
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| 10, Yardley Road739 m away | 87 m² | 124 m² | +37 m² +43% | 2016 |
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| 9, St Johns Road945 m away | 130 m² | 166 m² | +36 m² +28% | 2018 |
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| 16, Coniston Gardens704 m away | 66 m² | 101 m² | +35 m² +53% | 2026 |
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| 59, Woodstock Close225 m away | 67 m² | 102 m² | +35 m² +52% | 2023 |
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| 56, Havendale0 m away | 67 m² | 102 m² | +35 m² +52% | 2014 |
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| 35, Ratcliffe Road970 m away | 79 m² | 113 m² | +34 m² +43% | 2026 |
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| 31, Richlans Road490 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
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| 116, Lower Northam Road864 m away | 42 m² | 75 m² | +33 m² +79% | 2013 |
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| 53, Allen Road999 m away | 82 m² | 114 m² | +32 m² +39% | 2016 |
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| 10, Mapleton Road439 m away | 78 m² | 108 m² | +30 m² +38% | 2022 |
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| 30, Sengana Close400 m away | 45 m² | 75 m² | +30 m² +67% | 2020 |
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| 1, Thurmell Close675 m away | 60 m² | 90 m² | +30 m² +50% | 2016 |
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| 2, The Hedge Rows, 62, Lower Northam Road786 m away | 118 m² | 147 m² | +29 m² +25% | 2015 |
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| 33, Sengana Close400 m away | 45 m² | 74 m² | +29 m² +64% | 2014 |
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| 53, Ambleside326 m away | 61 m² | 88 m² | +27 m² +44% | 2021 |
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| 53, Woodstock Close225 m away | 60 m² | 87 m² | +27 m² +45% | 2014 |
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| 6, Pardoe Close496 m away | 86 m² | 113 m² | +27 m² +31% | 2012 |
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| 20, Stockholm Drive723 m away | 118 m² | 144 m² | +26 m² +22% | 2025 |
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| 1, Upper St Helens Road878 m away | 97 m² | 123 m² | +26 m² +27% | 2018 |
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| 63, Bursledon Road802 m away | 164 m² | 190 m² | +26 m² +16% | 2017 |
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| 82, Havendale100 m away | 63 m² | 88 m² | +25 m² +40% | 2023 |
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| 9, Rowan Gardens590 m away | 92 m² | 117 m² | +25 m² +27% | 2022 |
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| 44, Freegrounds Road413 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
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| 4, Coniston Gardens704 m away | 129 m² | 153 m² | +24 m² +19% | 2023 |
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| 60, St Johns Road964 m away | 124 m² | 147 m² | +23 m² +19% | 2021 |
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| 28, Havendale0 m away | 60 m² | 82 m² | +22 m² +37% | 2025 |
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| 23, Mapleton Road365 m away | 89 m² | 111 m² | +22 m² +25% | 2024 |
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| 54, Woodstock Close225 m away | 68 m² | 90 m² | +22 m² +32% | 2022 |
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| 6, Coniston Gardens704 m away | 46 m² | 68 m² | +22 m² +48% | 2014 |
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| 59, Allen Road999 m away | 81 m² | 102 m² | +21 m² +26% | 2022 |
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| 40a, St Johns Road964 m away | 135 m² | 156 m² | +21 m² +16% | 2020 |
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| 13a, Pretoria Road953 m away | 60 m² | 81 m² | +21 m² +35% | 2015 |
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| 20, Ambleside198 m away | 61 m² | 81 m² | +20 m² +33% | 2026 |
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| 34, Sengana Close400 m away | 44 m² | 64 m² | +20 m² +45% | 2021 |
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| 36, Sengana Close400 m away | 81 m² | 101 m² | +20 m² +25% | 2020 |
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| 1a, Pretoria Road953 m away | 123 m² | 142 m² | +19 m² +15% | 2026 |
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| Tarene, Pardoe Close496 m away | 64 m² | 83 m² | +19 m² +30% | 2024 |
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| 64, Upper St Helens Road687 m away | 66 m² | 85 m² | +19 m² +29% | 2023 |
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| 23, Bursledon Road802 m away | 76 m² | 95 m² | +19 m² +25% | 2023 |
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| 3, Metuchen Way768 m away | 47 m² | 66 m² | +19 m² +40% | 2022 |
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| 4, Blossom Close815 m away | 87 m² | 105 m² | +18 m² +21% | 2022 |
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| 18, Melbourne Road600 m away | 74 m² | 92 m² | +18 m² +24% | 2021 |
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| 9, Freegrounds Avenue771 m away | 86 m² | 104 m² | +18 m² +21% | 2014 |
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| 7, Woodstock Close225 m away | 98 m² | 116 m² | +18 m² +18% | 2013 |
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| 25, Chapel Drove908 m away | 77 m² | 95 m² | +18 m² +23% | 2011 |
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| 173, Cranbourne Park637 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 60, Yardley Road619 m away | 78 m² | 95 m² | +17 m² +22% | 2013 |
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| 3, Salwey Road276 m away | 97 m² | 113 m² | +16 m² +16% | 2026 |
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| 23, Watson Court406 m away | 85 m² | 101 m² | +16 m² +19% | 2023 |
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| 17, The Foxgloves125 m away | 54 m² | 70 m² | +16 m² +30% | 2022 |
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| 24, Ratcliffe Road985 m away | 86 m² | 102 m² | +16 m² +19% | 2021 |
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| 36, Lyons Place833 m away | 55 m² | 71 m² | +16 m² +29% | 2017 |
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| 2, Yardley Road739 m away | 85 m² | 100 m² | +15 m² +18% | 2025 |
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| 44, Coniston Gardens704 m away | 79 m² | 94 m² | +15 m² +19% | 2024 |
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| 2, Ambleside198 m away | 77 m² | 92 m² | +15 m² +19% | 2021 |
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