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 8AA
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 Way148 m away | 197 m² | 479 m² | +282 m² +143% | 2021 |
| 19, Lancaster Gate217 m away | 111 m² | 268 m² | +157 m² +141% | 2020 |
| 87, Chatsworth Avenue540 m away | 84 m² | 196 m² | +112 m² +133% | 2015 |
| 52, Coniston Avenue525 m away | 93 m² | 198 m² | +105 m² +113% | 2015 |
| 58, Rossall Grange Lane47 m away | 146 m² | 236 m² | +90 m² +62% | 2015 |
| 18, Kenilworth Avenue372 m away | 72 m² | 149 m² | +77 m² +107% | 2015 |
| 48, Borrowdale Avenue579 m away | 89 m² | 148 m² | +59 m² +66% | 2013 |
| 44, Whinfield Avenue969 m away | 68 m² | 123 m² | +55 m² +81% | 2015 |
| 25, Calder Avenue303 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 |
| 128 m² |
| +55 m² +75% |
| 2014 |
| 9, Macbeth Road918 m away | 96 m² | 149 m² | +53 m² +55% | 2015 |
|---|
| 7, Langwood831 m away | 50 m² | 102 m² | +52 m² +104% | 2014 |
|---|
| 76, Manor Road783 m away | 46 m² | 93 m² | +47 m² +102% | 2025 |
|---|
| 20, Calder Avenue303 m away | 95 m² | 140 m² | +45 m² +47% | 2016 |
|---|
| 63, Duddon Avenue826 m away | 57 m² | 102 m² | +45 m² +79% | 2014 |
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| 32, Beach Road455 m away | 51 m² | 95 m² | +44 m² +86% | 2023 |
|---|
| 41, Buttermere Avenue808 m away | 66 m² | 108 m² | +42 m² +64% | 2014 |
|---|
| 7, Middleton Avenue964 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
|---|
| 14, Grange Road392 m away | 100 m² | 138 m² | +38 m² +38% | 2014 |
|---|
| 105, Princes Way647 m away | 167 m² | 203 m² | +36 m² +22% | 2025 |
|---|
| 2, Langwood831 m away | 50 m² | 85 m² | +35 m² +70% | 2014 |
|---|
| 40, Dronsfield Road1000 m away | 120 m² | 154 m² | +34 m² +28% | 2025 |
|---|
| 128, Shakespeare Road623 m away | 73 m² | 107 m² | +34 m² +47% | 2016 |
|---|
| 83, Witton Avenue905 m away | 88 m² | 122 m² | +34 m² +39% | 2015 |
|---|
| 5, Greendale Close831 m away | 32 m² | 65 m² | +33 m² +103% | 2023 |
|---|
| 4, Langwood831 m away | 50 m² | 83 m² | +33 m² +66% | 2014 |
|---|
| 51, Kingfisher Way383 m away | 118 m² | 150 m² | +32 m² +27% | 2021 |
|---|
| 8, Langwood831 m away | 50 m² | 81 m² | +31 m² +62% | 2020 |
|---|
| 36, Cambridge Road682 m away | 79 m² | 110 m² | +31 m² +39% | 2018 |
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| 62, Princes Way290 m away | 107 m² | 138 m² | +31 m² +29% | 2016 |
|---|
| 2a, Lancaster Gate217 m away | 45 m² | 76 m² | +31 m² +69% | 2014 |
|---|
| 8, Grange Road392 m away | 95 m² | 125 m² | +30 m² +32% | 2016 |
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| 18, Devon Avenue619 m away | 85 m² | 115 m² | +30 m² +35% | 2016 |
|---|
| 20, Princes Way503 m away | 179 m² | 208 m² | +29 m² +16% | 2024 |
|---|
| 74, Whinfield Avenue759 m away | 68 m² | 97 m² | +29 m² +43% | 2015 |
|---|
| 6, Lazenby Avenue916 m away | 70 m² | 98 m² | +28 m² +40% | 2024 |
|---|
| 59, Buttermere Avenue808 m away | 97 m² | 125 m² | +28 m² +29% | 2021 |
|---|
| 69, Manor Road688 m away | 68 m² | 96 m² | +28 m² +41% | 2013 |
|---|
| 2, Southwood Avenue801 m away | 70 m² | 97 m² | +27 m² +39% | 2024 |
|---|
| 40, Waverley Avenue231 m away | 90 m² | 116 m² | +26 m² +29% | 2020 |
|---|
| 32, Lothian Avenue129 m away | 113 m² | 139 m² | +26 m² +23% | 2016 |
|---|
| 1, Allen Close764 m away | 73 m² | 99 m² | +26 m² +36% | 2016 |
|---|
| 45, Rossall Grange Lane0 m away | 110 m² | 135 m² | +25 m² +23% | 2024 |
|---|
| 17, St John Avenue401 m away | 67 m² | 92 m² | +25 m² +37% | 2023 |
|---|
| 16, Douglas Place240 m away | 83 m² | 108 m² | +25 m² +30% | 2016 |
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| 10, Eamont Place605 m away | 75 m² | 100 m² | +25 m² +33% | 2014 |
|---|
| 82, Duddon Avenue826 m away | 62 m² | 86 m² | +24 m² +39% | 2025 |
|---|
| 27, Leighton Avenue214 m away | 105 m² | 129 m² | +24 m² +23% | 2021 |
|---|
| 5, Langwood831 m away | 50 m² | 74 m² | +24 m² +48% | 2018 |
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| 49, Westfield Avenue749 m away | 76 m² | 100 m² | +24 m² +32% | 2016 |
|---|
| 310, Poulton Road597 m away | 80 m² | 104 m² | +24 m² +30% | 2014 |
|---|
| 67, Broadway549 m away | 96 m² | 120 m² | +24 m² +25% | 2013 |
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| 19, Hazeldene Road986 m away | 97 m² | 120 m² | +23 m² +24% | 2016 |
|---|
| 91, Highbury Avenue917 m away | 65 m² | 87 m² | +22 m² +34% | 2025 |
|---|
| 1, Langwood831 m away | 50 m² | 72 m² | +22 m² +44% | 2021 |
|---|
| 93, Shakespeare Road604 m away | 85 m² | 107 m² | +22 m² +26% | 2016 |
|---|
| 29, Arden Green830 m away | 87 m² | 109 m² | +22 m² +25% | 2014 |
|---|
| 32, Grange Road392 m away | 39 m² | 61 m² | +22 m² +56% | 2013 |
|---|
| 24, Northfleet Avenue898 m away | 101 m² | 122 m² | +21 m² +21% | 2024 |
|---|
| 56, Grange Road154 m away | 61 m² | 82 m² | +21 m² +34% | 2020 |
|---|
| 82, Manor Road783 m away | 90 m² | 111 m² | +21 m² +23% | 2016 |
|---|
| 31, Whinfield Avenue969 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
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| 31, Kingfisher Way383 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
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| 11, Lonsdale Crescent466 m away | 68 m² | 88 m² | +20 m² +29% | 2020 |
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| 49, Princes Way290 m away | 75 m² | 95 m² | +20 m² +27% | 2019 |
|---|
| 51, Cambridge Road682 m away | 66 m² | 86 m² | +20 m² +30% | 2019 |
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| 30, Burnside Avenue819 m away | 86 m² | 106 m² | +20 m² +23% | 2019 |
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| 2, Kenilworth Avenue372 m away | 129 m² | 149 m² | +20 m² +16% | 2015 |
|---|
| 1, York Avenue416 m away | 125 m² | 145 m² | +20 m² +16% | 2015 |
|---|
| 6, Shap Court860 m away | 57 m² | 77 m² | +20 m² +35% | 2015 |
|---|
| 6, Langwood831 m away | 50 m² | 70 m² | +20 m² +40% | 2014 |
|---|
| 5, West Gate302 m away | 118 m² | 138 m² | +20 m² +17% | 2013 |
|---|
| 67a, Broadway549 m away | 70 m² | 90 m² | +20 m² +29% | 2013 |
|---|
| 4, Kingfisher Way383 m away | 65 m² | 83 m² | +18 m² +28% | 2016 |
|---|
| 10, Macbeth Road918 m away | 83 m² | 101 m² | +18 m² +22% | 2015 |
|---|
| 23a, Shakespeare Road904 m away | 39 m² | 56 m² | +17 m² +44% | 2025 |
|---|
| 20, Kingfisher Way383 m away | 99 m² | 116 m² | +17 m² +17% | 2024 |
|---|
| 31, Navena Avenue686 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
|---|
| Flat 27, Wyredale Court, Harrow Avenue860 m away | 52 m² | 69 m² | +17 m² +33% | 2021 |
|---|
| 10, Leven Avenue302 m away | 92 m² | 109 m² | +17 m² +18% | 2016 |
|---|
| 69, Chatsworth Avenue540 m away | 91 m² | 108 m² | +17 m² +19% | 2016 |
|---|
| 14, Whinfield Avenue969 m away | 79 m² | 96 m² | +17 m² +22% | 2016 |
|---|
| 3, Wensley Avenue990 m away | 91 m² | 108 m² | +17 m² +19% | 2015 |
|---|
| 55, Westfield Avenue749 m away | 65 m² | 82 m² | +17 m² +26% | 2014 |
|---|
| 14, Lancaster Gate217 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
|---|
| 12, Kingfisher Way383 m away | 99 m² | 115 m² | +16 m² +16% | 2022 |
|---|
| 44, Buttermere Avenue808 m away | 61 m² | 77 m² | +16 m² +26% | 2022 |
|---|
| 24, Hamlet Road933 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
|---|
| 1, Troutbeck Avenue553 m away | 79 m² | 95 m² | +16 m² +20% | 2015 |
|---|
| 4, Crake Avenue485 m away | 83 m² | 99 m² | +16 m² +19% | 2014 |
|---|
| 28, Mowbray Road674 m away | 85 m² | 101 m² | +16 m² +19% | 2013 |
|---|
| 34, Cambridge Road682 m away | 65 m² | 81 m² | +16 m² +25% | 2013 |
|---|
| 55, Laidleys Walk824 m away | 105 m² | 121 m² | +16 m² +15% | 2013 |
|---|
| 17, Lazenby Avenue916 m away | 59 m² | 74 m² | +15 m² +25% | 2025 |
|---|
| 8, Pike Court838 m away | 55 m² | 70 m² | +15 m² +27% | 2023 |
|---|
| 19, Oxford Road847 m away | 91 m² | 106 m² | +15 m² +16% | 2021 |
|---|
| 44, Heathfield Road801 m away | 94 m² | 109 m² | +15 m² +16% | 2016 |
|---|
| 5, Leyburn Avenue814 m away | 81 m² | 96 m² | +15 m² +19% | 2016 |
|---|
| 3, Duncan Place917 m away | 71 m² | 86 m² | +15 m² +21% | 2016 |
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| 3, Kingfisher Way383 m away | 91 m² | 106 m² | +15 m² +16% | 2012 |
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