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 FY7 8DX
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 |
|---|---|---|---|---|
| 44, Princes Way692 m away | 197 m² | 479 m² | +282 m² +143% | 2021 |
| 19, Lancaster Gate858 m away | 111 m² | 268 m² | +157 m² +141% | 2020 |
| 87, Chatsworth Avenue470 m away | 84 m² | 196 m² | +112 m² +133% | 2015 |
| 3, Fairway771 m away | 122 m² | 213 m² | +91 m² +75% | 2015 |
| 58, Rossall Grange Lane692 m away | 146 m² | 236 m² | +90 m² +62% | 2015 |
| 27, Fairway771 m away | 81 m² | 165 m² | +84 m² +104% | 2020 |
| 18, Kenilworth Avenue803 m away | 72 m² | 149 m² | +77 m² +107% | 2015 |
| 23, Patterdale Avenue992 m away | 102 m² | 178 m² | +76 m² +75% | 2024 |
| 21, Thirlmere Avenue931 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.
| 79 m² |
| 153 m² |
| +74 m² +94% |
| 2015 |
| 34, Southway918 m away | 100 m² | 170 m² | +70 m² +70% | 2022 |
|---|
| 25, Calder Avenue538 m away | 73 m² | 128 m² | +55 m² +75% | 2014 |
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| 8, Bentham Avenue831 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
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| 7, Larkholme Parade959 m away | 104 m² | 150 m² | +46 m² +44% | 2020 |
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| 20, Calder Avenue538 m away | 95 m² | 140 m² | +45 m² +47% | 2016 |
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| 63, Duddon Avenue589 m away | 57 m² | 102 m² | +45 m² +79% | 2014 |
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| 32, Beach Road886 m away | 51 m² | 95 m² | +44 m² +86% | 2023 |
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| 10, Larkholme Parade797 m away | 69 m² | 112 m² | +43 m² +62% | 2024 |
|---|
| 41, Buttermere Avenue325 m away | 66 m² | 108 m² | +42 m² +64% | 2014 |
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| 37, Fairway771 m away | 95 m² | 133 m² | +38 m² +40% | 2026 |
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| 5, Inglewood Close612 m away | 66 m² | 104 m² | +38 m² +58% | 2023 |
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| 7, Middleton Avenue662 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
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| 14, Grange Road744 m away | 100 m² | 138 m² | +38 m² +38% | 2014 |
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| 105, Princes Way0 m away | 167 m² | 203 m² | +36 m² +22% | 2025 |
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| 73, Larkholme Parade691 m away | 42 m² | 78 m² | +36 m² +86% | 2024 |
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| 83, Witton Avenue952 m away | 88 m² | 122 m² | +34 m² +39% | 2015 |
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| 5, Greendale Close243 m away | 32 m² | 65 m² | +33 m² +103% | 2023 |
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| 51, Kingfisher Way948 m away | 118 m² | 150 m² | +32 m² +27% | 2021 |
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| 62, Princes Way362 m away | 107 m² | 138 m² | +31 m² +29% | 2016 |
|---|
| 2a, Lancaster Gate858 m away | 45 m² | 76 m² | +31 m² +69% | 2014 |
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| 8, Grange Road744 m away | 95 m² | 125 m² | +30 m² +32% | 2016 |
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| 25, Larkholme Parade798 m away | 103 m² | 132 m² | +29 m² +28% | 2026 |
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| 6, Lazenby Avenue337 m away | 70 m² | 98 m² | +28 m² +40% | 2024 |
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| 59, Buttermere Avenue325 m away | 97 m² | 125 m² | +28 m² +29% | 2021 |
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| 109, Marine Parade937 m away | 77 m² | 104 m² | +27 m² +35% | 2014 |
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| 40, Waverley Avenue743 m away | 90 m² | 116 m² | +26 m² +29% | 2020 |
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| 1, Allen Close367 m away | 73 m² | 99 m² | +26 m² +36% | 2016 |
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| 32, Lothian Avenue586 m away | 113 m² | 139 m² | +26 m² +23% | 2016 |
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| 5, Patterdale Avenue992 m away | 105 m² | 131 m² | +26 m² +25% | 2016 |
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| 45, Rossall Grange Lane647 m away | 110 m² | 135 m² | +25 m² +23% | 2024 |
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| 17, St John Avenue627 m away | 67 m² | 92 m² | +25 m² +37% | 2023 |
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| 16, Douglas Place474 m away | 83 m² | 108 m² | +25 m² +30% | 2016 |
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| 10, Eamont Place462 m away | 75 m² | 100 m² | +25 m² +33% | 2014 |
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| 82, Duddon Avenue589 m away | 62 m² | 86 m² | +24 m² +39% | 2025 |
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| 27, Leighton Avenue796 m away | 105 m² | 129 m² | +24 m² +23% | 2021 |
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| 67, Broadway978 m away | 96 m² | 120 m² | +24 m² +25% | 2013 |
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| 25, Inglewood Close612 m away | 65 m² | 88 m² | +23 m² +35% | 2017 |
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| 32, Grange Road744 m away | 39 m² | 61 m² | +22 m² +56% | 2013 |
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| 56, Grange Road542 m away | 61 m² | 82 m² | +21 m² +34% | 2020 |
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| 31, Kingfisher Way948 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
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| 11, Lonsdale Crescent942 m away | 68 m² | 88 m² | +20 m² +29% | 2020 |
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| 30, Burnside Avenue303 m away | 86 m² | 106 m² | +20 m² +23% | 2019 |
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| 49, Princes Way362 m away | 75 m² | 95 m² | +20 m² +27% | 2019 |
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| 6, Shap Court544 m away | 57 m² | 77 m² | +20 m² +35% | 2015 |
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| 2, Kenilworth Avenue803 m away | 129 m² | 149 m² | +20 m² +16% | 2015 |
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| 5, West Gate927 m away | 118 m² | 138 m² | +20 m² +17% | 2013 |
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| 67a, Broadway978 m away | 70 m² | 90 m² | +20 m² +29% | 2013 |
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| 4, Kingfisher Way948 m away | 65 m² | 83 m² | +18 m² +28% | 2016 |
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| 31, Navena Avenue741 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
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| 20, Kingfisher Way948 m away | 99 m² | 116 m² | +17 m² +17% | 2024 |
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| 56a, Larkholme Parade713 m away | 54 m² | 71 m² | +17 m² +31% | 2019 |
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| 69, Chatsworth Avenue470 m away | 91 m² | 108 m² | +17 m² +19% | 2016 |
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| 10, Leven Avenue479 m away | 92 m² | 109 m² | +17 m² +18% | 2016 |
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| 14, Lancaster Gate858 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
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| 15, Bentham Avenue831 m away | 82 m² | 98 m² | +16 m² +20% | 2024 |
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| 44, Buttermere Avenue325 m away | 61 m² | 77 m² | +16 m² +26% | 2022 |
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| 12, Kingfisher Way948 m away | 99 m² | 115 m² | +16 m² +16% | 2022 |
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| 1, Troutbeck Avenue629 m away | 79 m² | 95 m² | +16 m² +20% | 2015 |
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| 4, Crake Avenue165 m away | 83 m² | 99 m² | +16 m² +19% | 2014 |
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| 17, Lazenby Avenue337 m away | 59 m² | 74 m² | +15 m² +25% | 2025 |
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| 8, Pike Court417 m away | 55 m² | 70 m² | +15 m² +27% | 2023 |
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| 5, Leyburn Avenue935 m away | 81 m² | 96 m² | +15 m² +19% | 2016 |
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| 3, Kingfisher Way948 m away | 91 m² | 106 m² | +15 m² +16% | 2012 |
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| 11, Fairway771 m away | 65 m² | 80 m² | +15 m² +23% | 2010 |
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