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 BB1 9PY
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 |
|---|---|---|---|---|
| 24, Woodcrest192 m away | 241 m² | 400 m² | +159 m² +66% | 2016 |
| 26, Whalley Road183 m away | 289 m² | 409 m² | +120 m² +42% | 2026 |
| 53, Knowsley Road264 m away | 290 m² | 405 m² | +115 m² +40% | 2023 |
| The Chestnuts, Beaver Close282 m away | 223 m² | 338 m² | +115 m² +52% | 2019 |
| 46, Knowsley Road264 m away | 86 m² | 170 m² | +84 m² +98% | 2019 |
| 11, Ribchester Road400 m away | 165 m² | 245 m² | +80 m² +48% | 2014 |
| 21, Hollowhead Avenue316 m away | 229 m² | 307 m² | +78 m² +34% | 2015 |
| 1, Mayfair Crescent0 m away | 57 m² | 127 m² | +70 m² +123% | 2021 |
| 17, Belvedere Road799 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.
| 85 m² |
| 152 m² |
| +67 m² +79% |
| 2025 |
| 8, Mayfair Crescent0 m away | 76 m² | 130 m² | +54 m² +71% | 2026 |
|---|
| 8, Durham Drive863 m away | 89 m² | 142 m² | +53 m² +60% | 2012 |
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| 23, The Grange254 m away | 110 m² | 163 m² | +53 m² +48% | 2009 |
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| 26, Belvedere Road799 m away | 82 m² | 133 m² | +51 m² +62% | 2013 |
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| 20, Bryers Croft768 m away | 94 m² | 144 m² | +50 m² +53% | 2017 |
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| 17, Ribchester Road400 m away | 157 m² | 206 m² | +49 m² +31% | 2023 |
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| 5, East Lancashire Road810 m away | 57 m² | 104 m² | +47 m² +82% | 2017 |
|---|
| 7, Woodcrest192 m away | 148 m² | 193 m² | +45 m² +30% | 2014 |
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| 3, Hollowhead Lane394 m away | 234 m² | 278 m² | +44 m² +19% | 2019 |
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| 44, Knowsley Road264 m away | 82 m² | 124 m² | +42 m² +51% | 2026 |
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| 73, Bank Hey Lane North987 m away | 80 m² | 122 m² | +42 m² +53% | 2021 |
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| 27a, Whalley Road510 m away | 147 m² | 188 m² | +41 m² +28% | 2022 |
|---|
| 4, Clifton Grove147 m away | 81 m² | 121 m² | +40 m² +49% | 2026 |
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| 3, Walden Road529 m away | 143 m² | 183 m² | +40 m² +28% | 2025 |
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| 123, Brownhill Road683 m away | 61 m² | 99 m² | +38 m² +62% | 2019 |
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| 31, Brownhill Road920 m away | 71 m² | 109 m² | +38 m² +54% | 2015 |
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| Ackton Villa, 29, Whalley Road510 m away | 205 m² | 240 m² | +35 m² +17% | 2022 |
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| 32, Bank Hey Lane North987 m away | 79 m² | 113 m² | +34 m² +43% | 2026 |
|---|
| 46, Ribchester Road666 m away | 82 m² | 116 m² | +34 m² +41% | 2016 |
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| 4, Mayfair Crescent0 m away | 74 m² | 107 m² | +33 m² +45% | 2024 |
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| 3, Haston Lee Avenue963 m away | 102 m² | 134 m² | +32 m² +31% | 2020 |
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| 9, Woodcrest192 m away | 86 m² | 118 m² | +32 m² +37% | 2016 |
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| 23, Warrenside Close679 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
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| 10, Woodcrest192 m away | 126 m² | 156 m² | +30 m² +24% | 2023 |
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| 52, Whalley Road539 m away | 98 m² | 128 m² | +30 m² +31% | 2022 |
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| 9, The Hazels848 m away | 101 m² | 131 m² | +30 m² +30% | 2019 |
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| 7, Belvedere Road799 m away | 97 m² | 126 m² | +29 m² +30% | 2024 |
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| 131, Brownhill Road683 m away | 145 m² | 174 m² | +29 m² +20% | 2021 |
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| 5, Woodcrest192 m away | 161 m² | 189 m² | +28 m² +17% | 2017 |
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| 27, Knowsley Road West533 m away | 91 m² | 118 m² | +27 m² +30% | 2020 |
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| 5, Newington Avenue920 m away | 81 m² | 107 m² | +26 m² +32% | 2024 |
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| 15, Woodcrest192 m away | 118 m² | 144 m² | +26 m² +22% | 2021 |
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| 4, Waverley Road576 m away | 68 m² | 94 m² | +26 m² +38% | 2019 |
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| 816, Whalley New Road688 m away | 80 m² | 105 m² | +25 m² +31% | 2013 |
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| 16, Isle Of Man625 m away | 83 m² | 107 m² | +24 m² +29% | 2019 |
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| 828a, Whalley New Road688 m away | 54 m² | 78 m² | +24 m² +44% | 2010 |
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| 29, Newington Avenue920 m away | 69 m² | 92 m² | +23 m² +33% | 2024 |
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| 21, Warrenside Close679 m away | 103 m² | 125 m² | +22 m² +21% | 2025 |
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| 23, Mayfair Crescent0 m away | 89 m² | 111 m² | +22 m² +25% | 2021 |
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| 11, The Hawthorns499 m away | 146 m² | 168 m² | +22 m² +15% | 2016 |
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| 9, Shetland Close986 m away | 101 m² | 122 m² | +21 m² +21% | 2025 |
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| 7, Yew Tree Close764 m away | 133 m² | 154 m² | +21 m² +16% | 2023 |
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| 7, East Lancashire Road810 m away | 61 m² | 82 m² | +21 m² +34% | 2023 |
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| 31, Warrenside Close679 m away | 88 m² | 108 m² | +20 m² +23% | 2024 |
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| 17, Parsonage Road551 m away | 89 m² | 107 m² | +18 m² +20% | 2025 |
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| 63, Parsonage Road698 m away | 90 m² | 108 m² | +18 m² +20% | 2016 |
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| 34, York Crescent703 m away | 73 m² | 90 m² | +17 m² +23% | 2024 |
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| 79, Ribchester Road894 m away | 104 m² | 121 m² | +17 m² +16% | 2023 |
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| 8, The Hawthorns499 m away | 78 m² | 95 m² | +17 m² +22% | 2018 |
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| 82, Parsonage Road744 m away | 84 m² | 101 m² | +17 m² +20% | 2014 |
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| 78, Brownhill Road683 m away | 103 m² | 120 m² | +17 m² +17% | 2012 |
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| 42, Newington Avenue920 m away | 66 m² | 82 m² | +16 m² +24% | 2023 |
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| 81, Brownhill Road920 m away | 79 m² | 95 m² | +16 m² +20% | 2014 |
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| 12, Walden Road529 m away | 97 m² | 112 m² | +15 m² +15% | 2025 |
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| 2, Moorfield Mews725 m away | 76 m² | 91 m² | +15 m² +20% | 2021 |
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| 904, Whalley New Road688 m away | 99 m² | 114 m² | +15 m² +15% | 2014 |
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