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 SO19 1BT
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 |
|---|---|---|---|---|
| 191, Botley Road747 m away | 76 m² | 169 m² | +93 m² +122% | 2020 |
| 10, Sunvale Close624 m away | 66 m² | 148 m² | +82 m² +124% | 2020 |
| 91, North East Road794 m away | 138 m² | 216 m² | +78 m² +57% | 2022 |
| 87, North East Road794 m away | 58 m² | 133 m² | +75 m² +129% | 2025 |
| 33, Swanmore Avenue320 m away | 85 m² | 155 m² | +70 m² +82% | 2022 |
| 12, Proctor Close917 m away | 83 m² | 148 m² | +65 m² +78% | 2013 |
| 3, Luton Road567 m away | 65 m² | 126 m² | +61 m² +94% | 2023 |
| 1, Crowther Close233 m away | 55 m² | 110 m² | +55 m² +100% | 2020 |
| 90, St Monica Road881 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.
| 115 m² |
| +51 m² +80% |
| 2015 |
| 10, Sullivan Road333 m away | 83 m² | 133 m² | +50 m² +60% | 2022 |
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| 29, Dempsey Close608 m away | 75 m² | 123 m² | +48 m² +64% | 2022 |
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| 6, Heyes Drive434 m away | 72 m² | 115 m² | +43 m² +60% | 2016 |
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| 183, North East Road755 m away | 67 m² | 110 m² | +43 m² +64% | 2015 |
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| 41, Banbury Avenue312 m away | 70 m² | 112 m² | +42 m² +60% | 2025 |
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| 142, South East Road687 m away | 71 m² | 113 m² | +42 m² +59% | 2014 |
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| 8, Firtree Way800 m away | 89 m² | 130 m² | +41 m² +46% | 2026 |
|---|
| 43, Crowther Close233 m away | 70 m² | 111 m² | +41 m² +59% | 2023 |
|---|
| 16, Franklyn Avenue918 m away | 101 m² | 142 m² | +41 m² +41% | 2023 |
|---|
| 51, Julian Road309 m away | 50 m² | 91 m² | +41 m² +82% | 2014 |
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| 61, Alfriston Gardens372 m away | 66 m² | 106 m² | +40 m² +61% | 2024 |
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| 221, Botley Road960 m away | 184 m² | 223 m² | +39 m² +21% | 2020 |
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| 19, Mowbray Road500 m away | 89 m² | 128 m² | +39 m² +44% | 2016 |
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| 60, Julian Road327 m away | 91 m² | 130 m² | +39 m² +43% | 2014 |
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| 36, South East Crescent962 m away | 73 m² | 111 m² | +38 m² +52% | 2026 |
|---|
| 41, Ashby Road592 m away | 64 m² | 102 m² | +38 m² +59% | 2020 |
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| 15, Maxwell Road999 m away | 66 m² | 104 m² | +38 m² +58% | 2014 |
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| 37, Mowbray Road500 m away | 68 m² | 105 m² | +37 m² +54% | 2022 |
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| 51, Botany Bay Road765 m away | 50 m² | 87 m² | +37 m² +74% | 2019 |
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| 2, Brecon Road990 m away | 87 m² | 124 m² | +37 m² +43% | 2016 |
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| 14, North East Road830 m away | 39 m² | 75 m² | +36 m² +92% | 2012 |
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| 8, Torrington Close925 m away | 72 m² | 107 m² | +35 m² +49% | 2025 |
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| 210c, Bursledon Road862 m away | 47 m² | 82 m² | +35 m² +74% | 2022 |
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| 58, Canterbury Avenue302 m away | 75 m² | 109 m² | +34 m² +45% | 2022 |
|---|
| 165, North East Road755 m away | 141 m² | 174 m² | +33 m² +23% | 2015 |
|---|
| 214, Bursledon Road862 m away | 88 m² | 121 m² | +33 m² +38% | 2013 |
|---|
| 217, North East Road755 m away | 85 m² | 118 m² | +33 m² +39% | 2011 |
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| 96, Butts Road559 m away | 81 m² | 113 m² | +32 m² +40% | 2023 |
|---|
| 1, Botany Bay Road636 m away | 67 m² | 98 m² | +31 m² +46% | 2026 |
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| 39, Franklyn Avenue889 m away | 65 m² | 95 m² | +30 m² +46% | 2026 |
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| 2, Gladstone Road601 m away | 72 m² | 102 m² | +30 m² +42% | 2025 |
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| 32, Swanmore Avenue320 m away | 76 m² | 105 m² | +29 m² +38% | 2024 |
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| 98, Butts Road559 m away | 119 m² | 148 m² | +29 m² +24% | 2022 |
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| 130, North East Road708 m away | 56 m² | 84 m² | +28 m² +50% | 2021 |
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| 4, Drove Road566 m away | 83 m² | 111 m² | +28 m² +34% | 2015 |
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| 65, Tatwin Crescent848 m away | 97 m² | 125 m² | +28 m² +29% | 2014 |
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| 7, Coates Road673 m away | 92 m² | 118 m² | +26 m² +28% | 2025 |
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| 274, Butts Road0 m away | 75 m² | 101 m² | +26 m² +35% | 2022 |
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| 237, Botley Road960 m away | 107 m² | 133 m² | +26 m² +24% | 2019 |
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| 9, Carey Road667 m away | 93 m² | 119 m² | +26 m² +28% | 2015 |
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| 112, North East Road729 m away | 131 m² | 156 m² | +25 m² +19% | 2025 |
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| 65, Julian Road309 m away | 93 m² | 118 m² | +25 m² +27% | 2019 |
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| 136, Kathleen Road492 m away | 82 m² | 106 m² | +24 m² +29% | 2024 |
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| 248, Bursledon Road645 m away | 103 m² | 127 m² | +24 m² +23% | 2015 |
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| 23, Botany Bay Road636 m away | 82 m² | 105 m² | +23 m² +28% | 2023 |
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| 27, Botley Gardens821 m away | 64 m² | 87 m² | +23 m² +36% | 2022 |
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| 7, Wesley Close482 m away | 62 m² | 85 m² | +23 m² +37% | 2019 |
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| 3, Effingham Gardens370 m away | 77 m² | 100 m² | +23 m² +30% | 2016 |
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| Flat 1, Alfriston Court, Alfriston Gardens309 m away | 49 m² | 72 m² | +23 m² +47% | 2015 |
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| 92, Butts Road559 m away | 82 m² | 105 m² | +23 m² +28% | 2011 |
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| Flat 5, 35, Orpen Road202 m away | 40 m² | 62 m² | +22 m² +55% | 2025 |
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| 64, Valentine Avenue356 m away | 51 m² | 73 m² | +22 m² +43% | 2024 |
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| 3, High Firs Road613 m away | 70 m² | 92 m² | +22 m² +31% | 2022 |
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| 38, South East Crescent962 m away | 90 m² | 112 m² | +22 m² +24% | 2022 |
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| 134, Kathleen Road492 m away | 84 m² | 106 m² | +22 m² +26% | 2014 |
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| 9, Crosswell Close588 m away | 82 m² | 104 m² | +22 m² +27% | 2010 |
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| 16, Belton Road530 m away | 76 m² | 97 m² | +21 m² +28% | 2025 |
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| 31, North East Road847 m away | 103 m² | 124 m² | +21 m² +20% | 2021 |
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| 9, North East Road847 m away | 106 m² | 127 m² | +21 m² +20% | 2020 |
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| 23, Butts Crescent176 m away | 89 m² | 109 m² | +20 m² +22% | 2014 |
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| 424, Butts Road390 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 49, Effingham Gardens370 m away | 71 m² | 91 m² | +20 m² +28% | 2013 |
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| 242, Kathleen Road517 m away | 68 m² | 87 m² | +19 m² +28% | 2026 |
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| 101, Kathleen Road527 m away | 101 m² | 120 m² | +19 m² +19% | 2022 |
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| 17, Banbury Avenue312 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
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| 59, Barry Road917 m away | 82 m² | 101 m² | +19 m² +23% | 2016 |
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| 36, Botley Road783 m away | 90 m² | 109 m² | +19 m² +21% | 2014 |
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| 11, Rother Dale898 m away | 79 m² | 97 m² | +18 m² +23% | 2026 |
|---|
| 1, Belton Road530 m away | 66 m² | 84 m² | +18 m² +27% | 2021 |
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| 374, Portsmouth Road998 m away | 75 m² | 93 m² | +18 m² +24% | 2021 |
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| 57, Crowther Close233 m away | 84 m² | 102 m² | +18 m² +21% | 2016 |
|---|
| 325, Butts Road72 m away | 118 m² | 136 m² | +18 m² +15% | 2015 |
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| 33, Herrick Close639 m away | 49 m² | 66 m² | +17 m² +35% | 2024 |
|---|
| 79, Julian Road309 m away | 83 m² | 100 m² | +17 m² +20% | 2023 |
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| 2, Cleethorpes Road640 m away | 57 m² | 74 m² | +17 m² +30% | 2020 |
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| 46, South East Crescent962 m away | 40 m² | 57 m² | +17 m² +43% | 2016 |
|---|
| 38, Botley Road783 m away | 80 m² | 97 m² | +17 m² +21% | 2014 |
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| 19, Crosswell Close588 m away | 69 m² | 85 m² | +16 m² +23% | 2026 |
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| 28, Canterbury Avenue269 m away | 88 m² | 104 m² | +16 m² +18% | 2025 |
|---|
| 49, Alfriston Gardens372 m away | 73 m² | 89 m² | +16 m² +22% | 2022 |
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| 6, Crest Way319 m away | 56 m² | 72 m² | +16 m² +29% | 2019 |
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| 52, Chadwell Avenue404 m away | 89 m² | 105 m² | +16 m² +18% | 2016 |
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| 4, Herrick Close707 m away | 47 m² | 62 m² | +15 m² +32% | 2025 |
|---|
| 73, Burke Drive974 m away | 34 m² | 49 m² | +15 m² +44% | 2021 |
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| 392, Butts Road185 m away | 94 m² | 109 m² | +15 m² +16% | 2019 |
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| 3, Killarney Close981 m away | 32 m² | 47 m² | +15 m² +47% | 2015 |
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| 9, Parry Road444 m away | 100 m² | 115 m² | +15 m² +15% | 2013 |
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| 102, St Monica Road881 m away | 83 m² | 98 m² | +15 m² +18% | 2013 |
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