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 8BD
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 |
|---|---|---|---|---|
| 58, Larkholme Lane343 m away | 79 m² | 180 m² | +101 m² +128% | 2025 |
| 326, Broadway426 m away | 101 m² | 201 m² | +100 m² +99% | 2015 |
| 2, Hornby Avenue476 m away | 93 m² | 181 m² | +88 m² +95% | 2026 |
| 23, Patterdale Avenue596 m away | 102 m² | 178 m² | +76 m² +75% | 2024 |
| 21, Thirlmere Avenue846 m away | 79 m² | 153 m² | +74 m² +94% | 2015 |
| 34, Southway736 m away | 100 m² | 170 m² | +70 m² +70% | 2022 |
| 18, Rossall Close761 m away | 99 m² | 167 m² | +68 m² +69% | 2024 |
| 372, Fleetwood Road0 m away | 106 m² | 162 m² | +56 m² +53% | 2016 |
| 14, Rossall Close761 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.
| 95 m² |
| 150 m² |
| +55 m² +58% |
| 2023 |
| 44, Whinfield Avenue808 m away | 68 m² | 123 m² | +55 m² +81% | 2015 |
|---|
| 31, Mariners Close528 m away | 50 m² | 103 m² | +53 m² +106% | 2010 |
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| 19, Ullswater Avenue552 m away | 112 m² | 164 m² | +52 m² +46% | 2023 |
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| 7, Langwood844 m away | 50 m² | 102 m² | +52 m² +104% | 2014 |
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| 7, Larkholme Parade557 m away | 104 m² | 150 m² | +46 m² +44% | 2020 |
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| 63, Duddon Avenue920 m away | 57 m² | 102 m² | +45 m² +79% | 2014 |
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| 10, Larkholme Parade742 m away | 69 m² | 112 m² | +43 m² +62% | 2024 |
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| 22, Penrhos Avenue416 m away | 87 m² | 127 m² | +40 m² +46% | 2026 |
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| 16, Melbourne Avenue238 m away | 91 m² | 130 m² | +39 m² +43% | 2015 |
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| 4, Fairfield Court814 m away | 68 m² | 107 m² | +39 m² +57% | 2014 |
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| 7, Middleton Avenue859 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
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| 62, Ullswater Avenue510 m away | 125 m² | 162 m² | +37 m² +30% | 2011 |
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| 50, Penrhos Avenue416 m away | 74 m² | 110 m² | +36 m² +49% | 2015 |
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| 11, Bowland Avenue515 m away | 82 m² | 117 m² | +35 m² +43% | 2016 |
|---|
| 2, Langwood844 m away | 50 m² | 85 m² | +35 m² +70% | 2014 |
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| 83, Witton Avenue702 m away | 88 m² | 122 m² | +34 m² +39% | 2015 |
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| 4, Langwood844 m away | 50 m² | 83 m² | +33 m² +66% | 2014 |
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| 33, Ullswater Avenue552 m away | 109 m² | 142 m² | +33 m² +30% | 2012 |
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| 109, Heathfield Road752 m away | 47 m² | 78 m² | +31 m² +66% | 2024 |
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| 29, Roundway959 m away | 85 m² | 116 m² | +31 m² +36% | 2023 |
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| 8, Langwood844 m away | 50 m² | 81 m² | +31 m² +62% | 2020 |
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| 48, Larkholme Lane343 m away | 170 m² | 200 m² | +30 m² +18% | 2024 |
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| 25, Larkholme Parade779 m away | 103 m² | 132 m² | +29 m² +28% | 2026 |
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| 428, Fleetwood Road473 m away | 83 m² | 112 m² | +29 m² +35% | 2022 |
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| 28, The Strand642 m away | 76 m² | 104 m² | +28 m² +37% | 2025 |
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| 4, Wentworth Avenue671 m away | 119 m² | 146 m² | +27 m² +23% | 2023 |
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| 4, Mariners Close465 m away | 98 m² | 125 m² | +27 m² +28% | 2022 |
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| 39, Lingfield Road878 m away | 70 m² | 97 m² | +27 m² +39% | 2016 |
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| 26, The Strand642 m away | 90 m² | 116 m² | +26 m² +29% | 2026 |
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| 293, Broadway624 m away | 80 m² | 106 m² | +26 m² +33% | 2021 |
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| 65, Ullswater Avenue552 m away | 100 m² | 126 m² | +26 m² +26% | 2016 |
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| 5, Patterdale Avenue596 m away | 105 m² | 131 m² | +26 m² +25% | 2016 |
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| 6, Wood Street59 m away | 52 m² | 77 m² | +25 m² +48% | 2026 |
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| 82, Duddon Avenue920 m away | 62 m² | 86 m² | +24 m² +39% | 2025 |
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| 7, Wentworth Avenue671 m away | 134 m² | 158 m² | +24 m² +18% | 2023 |
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| 5, Langwood844 m away | 50 m² | 74 m² | +24 m² +48% | 2018 |
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| 43, Mariners Close528 m away | 106 m² | 130 m² | +24 m² +23% | 2016 |
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| 49, Westfield Avenue962 m away | 76 m² | 100 m² | +24 m² +32% | 2016 |
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| 12, Penrhos Avenue416 m away | 56 m² | 79 m² | +23 m² +41% | 2023 |
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| 19, Hazeldene Road934 m away | 97 m² | 120 m² | +23 m² +24% | 2016 |
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| 410, Fleetwood Road473 m away | 84 m² | 107 m² | +23 m² +27% | 2010 |
|---|
| 1, Langwood844 m away | 50 m² | 72 m² | +22 m² +44% | 2021 |
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| 24, Northfleet Avenue828 m away | 101 m² | 122 m² | +21 m² +21% | 2024 |
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| 31, Whinfield Avenue808 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
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| 354, Radcliffe Road578 m away | 104 m² | 124 m² | +20 m² +19% | 2022 |
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| 6, Shap Court968 m away | 57 m² | 77 m² | +20 m² +35% | 2015 |
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| 6, Langwood844 m away | 50 m² | 70 m² | +20 m² +40% | 2014 |
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| 19, Bristol Avenue967 m away | 74 m² | 93 m² | +19 m² +26% | 2024 |
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| 424, Fleetwood Road473 m away | 79 m² | 98 m² | +19 m² +24% | 2022 |
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| 314, Broadway426 m away | 83 m² | 102 m² | +19 m² +23% | 2021 |
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| 27, Hawthorne Avenue181 m away | 87 m² | 106 m² | +19 m² +22% | 2016 |
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| 3, Birkdale Avenue703 m away | 82 m² | 101 m² | +19 m² +23% | 2016 |
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| 28, Southfleet Avenue382 m away | 70 m² | 89 m² | +19 m² +27% | 2015 |
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| 13a, Brook Street73 m away | 73 m² | 91 m² | +18 m² +25% | 2015 |
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| 378, Fleetwood Road190 m away | 39 m² | 57 m² | +18 m² +46% | 2010 |
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| 31, Navena Avenue918 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
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| 28, Orchard Drive597 m away | 62 m² | 79 m² | +17 m² +27% | 2021 |
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| 56a, Larkholme Parade893 m away | 54 m² | 71 m² | +17 m² +31% | 2019 |
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| 26, Homestead Way556 m away | 79 m² | 96 m² | +17 m² +22% | 2016 |
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| 14, Whinfield Avenue808 m away | 79 m² | 96 m² | +17 m² +22% | 2016 |
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| 15, Flakefleet Avenue486 m away | 85 m² | 102 m² | +17 m² +20% | 2015 |
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| 3, Wensley Avenue618 m away | 91 m² | 108 m² | +17 m² +19% | 2015 |
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| 12, South Strand569 m away | 76 m² | 93 m² | +17 m² +22% | 2014 |
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| 55, Westfield Avenue962 m away | 65 m² | 82 m² | +17 m² +26% | 2014 |
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| 17, Flakefleet Avenue486 m away | 88 m² | 105 m² | +17 m² +19% | 2013 |
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| 2, Homestead Drive664 m away | 75 m² | 91 m² | +16 m² +21% | 2023 |
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| 76, Melbourne Avenue238 m away | 93 m² | 109 m² | +16 m² +17% | 2016 |
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| 12, Homestead Way556 m away | 100 m² | 116 m² | +16 m² +16% | 2015 |
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| 11, Southgate766 m away | 70 m² | 86 m² | +16 m² +23% | 2013 |
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| 10, Holme Avenue812 m away | 101 m² | 117 m² | +16 m² +16% | 2012 |
|---|
| 21, Hawthorne Avenue181 m away | 91 m² | 106 m² | +15 m² +16% | 2017 |
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| 5, Leyburn Avenue808 m away | 81 m² | 96 m² | +15 m² +19% | 2016 |
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