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 0JL
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 Road252 m away | 76 m² | 169 m² | +93 m² +122% | 2020 |
| 10, Sunvale Close943 m away | 66 m² | 148 m² | +82 m² +124% | 2020 |
| 33, Swanmore Avenue601 m away | 85 m² | 155 m² | +70 m² +82% | 2022 |
| 1, Crowther Close607 m away | 55 m² | 110 m² | +55 m² +100% | 2020 |
| Hantonia, Shop Lane764 m away | 89 m² | 141 m² | +52 m² +58% | 2022 |
| 10, Sullivan Road254 m away | 83 m² | 133 m² | +50 m² +60% | 2022 |
| 6, Heyes Drive519 m away | 72 m² | 115 m² | +43 m² +60% | 2016 |
| 41, Banbury Avenue795 m away | 70 m² | 112 m² | +42 m² +60% | 2025 |
| 43, Crowther Close607 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.
| 70 m² |
| 111 m² |
| +41 m² +59% |
| 2023 |
| 51, Julian Road767 m away | 50 m² | 91 m² | +41 m² +82% | 2014 |
|---|
| 61, Alfriston Gardens874 m away | 66 m² | 106 m² | +40 m² +61% | 2024 |
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| 221, Botley Road536 m away | 184 m² | 223 m² | +39 m² +21% | 2020 |
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| 60, Julian Road754 m away | 91 m² | 130 m² | +39 m² +43% | 2014 |
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| 41, Ashby Road729 m away | 64 m² | 102 m² | +38 m² +59% | 2020 |
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| 468, Bursledon Road635 m away | 88 m² | 125 m² | +37 m² +42% | 2025 |
|---|
| 81, Tunstall Road844 m away | 70 m² | 105 m² | +35 m² +50% | 2013 |
|---|
| 58, Canterbury Avenue483 m away | 75 m² | 109 m² | +34 m² +45% | 2022 |
|---|
| 77, Tunstall Road844 m away | 68 m² | 101 m² | +33 m² +49% | 2014 |
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| 96, Butts Road811 m away | 81 m² | 113 m² | +32 m² +40% | 2023 |
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| 32, Swanmore Avenue601 m away | 76 m² | 105 m² | +29 m² +38% | 2024 |
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| 98, Butts Road811 m away | 119 m² | 148 m² | +29 m² +24% | 2022 |
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| 65, Tatwin Crescent998 m away | 97 m² | 125 m² | +28 m² +29% | 2014 |
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| 7, Coates Road475 m away | 92 m² | 118 m² | +26 m² +28% | 2025 |
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| 274, Butts Road535 m away | 75 m² | 101 m² | +26 m² +35% | 2022 |
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| 237, Botley Road536 m away | 107 m² | 133 m² | +26 m² +24% | 2019 |
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| 65, Julian Road767 m away | 93 m² | 118 m² | +25 m² +27% | 2019 |
|---|
| 488, Bursledon Road635 m away | 65 m² | 90 m² | +25 m² +38% | 2011 |
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| 27, Botley Gardens418 m away | 64 m² | 87 m² | +23 m² +36% | 2022 |
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| 7, Wesley Close436 m away | 62 m² | 85 m² | +23 m² +37% | 2019 |
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| 3, Effingham Gardens866 m away | 77 m² | 100 m² | +23 m² +30% | 2016 |
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| Flat 1, Alfriston Court, Alfriston Gardens843 m away | 49 m² | 72 m² | +23 m² +47% | 2015 |
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| 92, Butts Road811 m away | 82 m² | 105 m² | +23 m² +28% | 2011 |
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| Flat 5, 35, Orpen Road346 m away | 40 m² | 62 m² | +22 m² +55% | 2025 |
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| 64, Valentine Avenue298 m away | 51 m² | 73 m² | +22 m² +43% | 2024 |
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| 16, Belton Road683 m away | 76 m² | 97 m² | +21 m² +28% | 2025 |
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| 23, Butts Crescent428 m away | 89 m² | 109 m² | +20 m² +22% | 2014 |
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| 424, Butts Road535 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 49, Effingham Gardens866 m away | 71 m² | 91 m² | +20 m² +28% | 2013 |
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| 242, Kathleen Road946 m away | 68 m² | 87 m² | +19 m² +28% | 2026 |
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| 17, Banbury Avenue795 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
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| 36, Botley Road706 m away | 90 m² | 109 m² | +19 m² +21% | 2014 |
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| 39, Flint Close932 m away | 80 m² | 99 m² | +19 m² +24% | 2014 |
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| 11, Rother Dale534 m away | 79 m² | 97 m² | +18 m² +23% | 2026 |
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| 1, Belton Road683 m away | 66 m² | 84 m² | +18 m² +27% | 2021 |
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| 57, Crowther Close607 m away | 84 m² | 102 m² | +18 m² +21% | 2016 |
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| 6, The Grove983 m away | 64 m² | 82 m² | +18 m² +28% | 2016 |
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| 325, Butts Road546 m away | 118 m² | 136 m² | +18 m² +15% | 2015 |
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| 33, Herrick Close757 m away | 49 m² | 66 m² | +17 m² +35% | 2024 |
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| 79, Julian Road767 m away | 83 m² | 100 m² | +17 m² +20% | 2023 |
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| 38, Botley Road706 m away | 80 m² | 97 m² | +17 m² +21% | 2014 |
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| 28, Canterbury Avenue578 m away | 88 m² | 104 m² | +16 m² +18% | 2025 |
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| 49, Alfriston Gardens874 m away | 73 m² | 89 m² | +16 m² +22% | 2022 |
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| 6, Crest Way575 m away | 56 m² | 72 m² | +16 m² +29% | 2019 |
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| 52, Chadwell Avenue914 m away | 89 m² | 105 m² | +16 m² +18% | 2016 |
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| 4, Herrick Close792 m away | 47 m² | 62 m² | +15 m² +32% | 2025 |
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| 54, The Grove983 m away | 73 m² | 88 m² | +15 m² +21% | 2022 |
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| 392, Butts Road497 m away | 94 m² | 109 m² | +15 m² +16% | 2019 |
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| 3, Killarney Close578 m away | 32 m² | 47 m² | +15 m² +47% | 2015 |
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| 9, Parry Road395 m away | 100 m² | 115 m² | +15 m² +15% | 2013 |
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