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 BB10 2LW
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 |
|---|---|---|---|---|
| 7, The Crescent483 m away | 262 m² | 405 m² | +143 m² +55% | 2015 |
| 4, John Street697 m away | 103 m² | 231 m² | +128 m² +124% | 2016 |
| 22, Broadhurst Way887 m away | 80 m² | 194 m² | +114 m² +143% | 2014 |
| 23, Kingsdale Avenue956 m away | 76 m² | 181 m² | +105 m² +138% | 2012 |
| Acre Wood Cottage, Robinson Lane352 m away | 245 m² | 349 m² | +104 m² +42% | 2016 |
| 16, Bank Street952 m away | 77 m² | 177 m² | +100 m² +130% | 2014 |
| 10, Berry Street266 m away | 115 m² | 213 m² | +98 m² +85% | 2013 |
| 35, Albert Street270 m away | 93 m² | 188 m² | +95 m² +102% | 2014 |
| 31, Highfield Avenue691 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.
| 143 m² |
| 237 m² |
| +94 m² +66% |
| 2021 |
| 47, Sackville Street324 m away | 66 m² | 157 m² | +91 m² +138% | 2014 |
|---|
| 47, Prairie Crescent978 m away | 78 m² | 155 m² | +77 m² +99% | 2017 |
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| 5, Chatburn Park Drive765 m away | 58 m² | 134 m² | +76 m² +131% | 2018 |
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| 506, Colne Road443 m away | 161 m² | 236 m² | +75 m² +47% | 2013 |
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| 1, Dovedale Close711 m away | 224 m² | 297 m² | +73 m² +33% | 2015 |
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| 5, Guilford Street370 m away | 72 m² | 142 m² | +70 m² +97% | 2014 |
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| 44, Woodfield Terrace763 m away | 93 m² | 162 m² | +69 m² +74% | 2020 |
|---|
| 22, Clegg Street205 m away | 98 m² | 167 m² | +69 m² +70% | 2015 |
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| 13, Chapel Street746 m away | 71 m² | 140 m² | +69 m² +97% | 2014 |
|---|
| 56, Forest View218 m away | 227 m² | 294 m² | +67 m² +30% | 2016 |
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| 19, Deepdale Drive881 m away | 166 m² | 233 m² | +67 m² +40% | 2016 |
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| 4, Montague Street390 m away | 141 m² | 208 m² | +67 m² +48% | 2015 |
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| 28, Bird Street585 m away | 96 m² | 162 m² | +66 m² +69% | 2015 |
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| 50, Forest View218 m away | 167 m² | 233 m² | +66 m² +40% | 2014 |
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| Waterside Bungalow, Quaker Bridge921 m away | 103 m² | 168 m² | +65 m² +63% | 2018 |
|---|
| 49, Sackville Street324 m away | 72 m² | 136 m² | +64 m² +89% | 2018 |
|---|
| 5, Ravens Grove622 m away | 124 m² | 187 m² | +63 m² +51% | 2016 |
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| 54, Forest View218 m away | 172 m² | 233 m² | +61 m² +35% | 2014 |
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| 99, Halifax Road783 m away | 79 m² | 138 m² | +59 m² +75% | 2015 |
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| 6, Fairfield Drive872 m away | 92 m² | 151 m² | +59 m² +64% | 2015 |
|---|
| 7, Montague Street390 m away | 67 m² | 126 m² | +59 m² +88% | 2014 |
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| 9, Montague Street390 m away | 69 m² | 126 m² | +57 m² +83% | 2014 |
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| 22, Humphrey Street795 m away | 97 m² | 152 m² | +55 m² +57% | 2016 |
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| 48, Livingstone Street724 m away | 72 m² | 127 m² | +55 m² +76% | 2014 |
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| 17, Holden Road520 m away | 139 m² | 193 m² | +54 m² +39% | 2013 |
|---|
| 18, Highfield Avenue755 m away | 128 m² | 181 m² | +53 m² +41% | 2014 |
|---|
| 34, Montague Street390 m away | 73 m² | 125 m² | +52 m² +71% | 2016 |
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| 6, Parsonage Drive784 m away | 116 m² | 168 m² | +52 m² +45% | 2016 |
|---|
| 118, Casterton Avenue892 m away | 131 m² | 183 m² | +52 m² +40% | 2016 |
|---|
| 11, Pennine Way957 m away | 58 m² | 109 m² | +51 m² +88% | 2024 |
|---|
| 53, Reedley Drive679 m away | 272 m² | 323 m² | +51 m² +19% | 2014 |
|---|
| 23, Richard Street333 m away | 82 m² | 131 m² | +49 m² +60% | 2015 |
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| 3, Yewlands Drive788 m away | 111 m² | 160 m² | +49 m² +44% | 2015 |
|---|
| 22, Heyhead Street845 m away | 98 m² | 147 m² | +49 m² +50% | 2015 |
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| 3, Lord Street119 m away | 81 m² | 130 m² | +49 m² +60% | 2014 |
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| 27, William Street834 m away | 161 m² | 210 m² | +49 m² +30% | 2013 |
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| 155, Halifax Road983 m away | 76 m² | 124 m² | +48 m² +63% | 2014 |
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| 45, Borrowdale Drive795 m away | 149 m² | 196 m² | +47 m² +32% | 2024 |
|---|
| 3, Highfield Avenue913 m away | 66 m² | 113 m² | +47 m² +71% | 2014 |
|---|
| 23, Fifth Avenue967 m away | 122 m² | 166 m² | +44 m² +36% | 2025 |
|---|
| 63, Burnley Road152 m away | 139 m² | 183 m² | +44 m² +32% | 2014 |
|---|
| 6, Silverdale Close898 m away | 45 m² | 89 m² | +44 m² +98% | 2014 |
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| 20, Clitheroe Road702 m away | 64 m² | 107 m² | +43 m² +67% | 2023 |
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| 12, Hill Street534 m away | 81 m² | 124 m² | +43 m² +53% | 2016 |
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| 181, Reedley Road945 m away | 89 m² | 132 m² | +43 m² +48% | 2016 |
|---|
| 18, Fairfield Drive872 m away | 59 m² | 102 m² | +43 m² +73% | 2014 |
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| 51, Montrose Street883 m away | 134 m² | 176 m² | +42 m² +31% | 2015 |
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| 48, Walter Street295 m away | 88 m² | 129 m² | +41 m² +47% | 2015 |
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| 27, Montrose Street781 m away | 60 m² | 100 m² | +40 m² +67% | 2020 |
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| 130, Casterton Avenue892 m away | 93 m² | 133 m² | +40 m² +43% | 2016 |
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| 23, Bank Street952 m away | 71 m² | 111 m² | +40 m² +56% | 2014 |
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| 30, Quaker Rise458 m away | 46 m² | 86 m² | +40 m² +87% | 2013 |
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| 24, Quaker Rise458 m away | 46 m² | 86 m² | +40 m² +87% | 2013 |
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| 4, Rydal Close784 m away | 63 m² | 102 m² | +39 m² +62% | 2020 |
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| 47, Halifax Road663 m away | 102 m² | 141 m² | +39 m² +38% | 2016 |
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| 4, Castle Street705 m away | 100 m² | 139 m² | +39 m² +39% | 2015 |
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| 339, Colne Road958 m away | 240 m² | 279 m² | +39 m² +16% | 2015 |
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| 17, Railway View653 m away | 71 m² | 108 m² | +37 m² +52% | 2014 |
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| 13, Holden Road520 m away | 91 m² | 127 m² | +36 m² +40% | 2022 |
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| 3, Townley Street315 m away | 100 m² | 136 m² | +36 m² +36% | 2016 |
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| 14, Eskdale Close568 m away | 157 m² | 193 m² | +36 m² +23% | 2014 |
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| 6, Meadow Bank Avenue554 m away | 88 m² | 124 m² | +36 m² +41% | 2010 |
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| 519, Colne Road148 m away | 122 m² | 157 m² | +35 m² +29% | 2025 |
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| 7, Berry Street266 m away | 83 m² | 118 m² | +35 m² +42% | 2021 |
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| 11, Regent Street285 m away | 61 m² | 96 m² | +35 m² +57% | 2016 |
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| 33, Reedfield859 m away | 112 m² | 147 m² | +35 m² +31% | 2016 |
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| 27, Chapel Street750 m away | 118 m² | 153 m² | +35 m² +30% | 2015 |
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| 15, Railway View653 m away | 83 m² | 118 m² | +35 m² +42% | 2013 |
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| 43, Halifax Road663 m away | 100 m² | 134 m² | +34 m² +34% | 2016 |
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| 4, Lord Street119 m away | 54 m² | 87 m² | +33 m² +61% | 2023 |
|---|
| 6, Highfield Avenue913 m away | 109 m² | 142 m² | +33 m² +30% | 2016 |
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| 8, Railway Terrace297 m away | 56 m² | 89 m² | +33 m² +59% | 2015 |
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| 32, Guilford Street370 m away | 142 m² | 175 m² | +33 m² +23% | 2012 |
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| 29, Windermere Avenue971 m away | 83 m² | 115 m² | +32 m² +39% | 2023 |
|---|
| 555, Colne Road148 m away | 100 m² | 132 m² | +32 m² +32% | 2021 |
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| 4, Grafton Avenue512 m away | 128 m² | 160 m² | +32 m² +25% | 2016 |
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| 6, Mount Street607 m away | 77 m² | 109 m² | +32 m² +42% | 2014 |
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| 18, Eskdale Close568 m away | 137 m² | 169 m² | +32 m² +23% | 2013 |
|---|
| 10, Chatburn Park Avenue687 m away | 48 m² | 79 m² | +31 m² +65% | 2023 |
|---|
| 52, Castle Street780 m away | 69 m² | 100 m² | +31 m² +45% | 2014 |
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| 25, Bank Street952 m away | 71 m² | 102 m² | +31 m² +44% | 2014 |
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| 18, Every Street859 m away | 74 m² | 104 m² | +30 m² +41% | 2026 |
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| 42, Walter Street295 m away | 86 m² | 116 m² | +30 m² +35% | 2016 |
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| 16, Walter Street403 m away | 90 m² | 120 m² | +30 m² +33% | 2016 |
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| 40, Livingstone Street724 m away | 82 m² | 112 m² | +30 m² +37% | 2016 |
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| 104, Halifax Road892 m away | 71 m² | 101 m² | +30 m² +42% | 2016 |
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| 36, Arthur Street825 m away | 60 m² | 90 m² | +30 m² +50% | 2014 |
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| 34, Arthur Street825 m away | 60 m² | 90 m² | +30 m² +50% | 2014 |
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| 32, Arthur Street825 m away | 60 m² | 90 m² | +30 m² +50% | 2014 |
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| 30, Arthur Street825 m away | 60 m² | 90 m² | +30 m² +50% | 2014 |
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| 6, Honister Road747 m away | 113 m² | 142 m² | +29 m² +26% | 2015 |
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| 8, Reedfield859 m away | 122 m² | 150 m² | +28 m² +23% | 2017 |
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| 50, Chapel Street793 m away | 56 m² | 84 m² | +28 m² +50% | 2016 |
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| 19, Bird Street585 m away | 66 m² | 94 m² | +28 m² +42% | 2014 |
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| 38, Pennine Way957 m away | 65 m² | 93 m² | +28 m² +43% | 2014 |
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| 110, Halifax Road892 m away | 68 m² | 95 m² | +27 m² +40% | 2026 |
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| 81, Reedley Road636 m away | 74 m² | 101 m² | +27 m² +36% | 2024 |
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| 17, Broadhurst Way887 m away | 70 m² | 97 m² | +27 m² +39% | 2024 |
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| 8, Larkhill Avenue647 m away | 88 m² | 115 m² | +27 m² +31% | 2017 |
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| 18, Halifax Road609 m away | 89 m² | 116 m² | +27 m² +30% | 2016 |
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| 9, Chapel Street746 m away | 71 m² | 98 m² | +27 m² +38% | 2016 |
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| 24, Eskdale Close568 m away | 161 m² | 188 m² | +27 m² +17% | 2014 |
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| 7, Parsonage Drive784 m away | 131 m² | 158 m² | +27 m² +21% | 2014 |
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| 1, Beattie Street700 m away | 112 m² | 139 m² | +27 m² +24% | 2013 |
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| 28, Sackville Street324 m away | 85 m² | 111 m² | +26 m² +31% | 2025 |
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| 37, Burnley Road152 m away | 84 m² | 110 m² | +26 m² +31% | 2016 |
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| 43, Montrose Street883 m away | 99 m² | 125 m² | +26 m² +26% | 2016 |
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| 2, Townley Street315 m away | 87 m² | 113 m² | +26 m² +30% | 2014 |
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| 547, Colne Road148 m away | 111 m² | 136 m² | +25 m² +23% | 2021 |
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| Apartment 12, Osborne Grove, 367, Colne Road695 m away | 75 m² | 100 m² | +25 m² +33% | 2018 |
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| 4, Hill Street534 m away | 81 m² | 106 m² | +25 m² +31% | 2015 |
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| 76, Halifax Road683 m away | 120 m² | 144 m² | +24 m² +20% | 2016 |
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| 117, Halifax Road983 m away | 72 m² | 96 m² | +24 m² +33% | 2015 |
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| 26, Eskdale Close568 m away | 136 m² | 160 m² | +24 m² +18% | 2013 |
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| 7, Ainsdale Avenue661 m away | 48 m² | 71 m² | +23 m² +48% | 2023 |
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| 20, Livingstone Street724 m away | 75 m² | 98 m² | +23 m² +31% | 2022 |
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| 7, Walter Street540 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
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| 1, Hillside View973 m away | 102 m² | 124 m² | +22 m² +22% | 2026 |
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| 53, King Street Terrace310 m away | 74 m² | 96 m² | +22 m² +30% | 2016 |
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| 14, Garden Street738 m away | 74 m² | 96 m² | +22 m² +30% | 2016 |
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| 464, Colne Road971 m away | 91 m² | 113 m² | +22 m² +24% | 2016 |
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| 49, Chapel Street793 m away | 90 m² | 112 m² | +22 m² +24% | 2015 |
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| 4, Townley Street315 m away | 89 m² | 111 m² | +22 m² +25% | 2014 |
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| 37, Castle Street780 m away | 89 m² | 111 m² | +22 m² +25% | 2014 |
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| 16, Reedfield859 m away | 123 m² | 145 m² | +22 m² +18% | 2013 |
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| 5, Pennine Way957 m away | 55 m² | 76 m² | +21 m² +38% | 2023 |
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| 33, Bank Street952 m away | 76 m² | 97 m² | +21 m² +28% | 2016 |
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| 16, Cross Street612 m away | 65 m² | 86 m² | +21 m² +32% | 2015 |
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| 27, Halifax Road663 m away | 84 m² | 105 m² | +21 m² +25% | 2015 |
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| 62, Heyhead Street845 m away | 78 m² | 99 m² | +21 m² +27% | 2014 |
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| 8, Berry Street266 m away | 103 m² | 123 m² | +20 m² +19% | 2016 |
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| 17, Lord Street119 m away | 81 m² | 101 m² | +20 m² +25% | 2013 |
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| 21, Montrose Street781 m away | 58 m² | 78 m² | +20 m² +34% | 2010 |
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| 37, Quakers View504 m away | 46 m² | 65 m² | +19 m² +41% | 2025 |
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| 12, Ann Street881 m away | 51 m² | 70 m² | +19 m² +37% | 2025 |
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| 11, Reedley Road171 m away | 105 m² | 124 m² | +19 m² +18% | 2016 |
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| 173, Halifax Road983 m away | 99 m² | 118 m² | +19 m² +19% | 2016 |
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| 94, Burnley Road236 m away | 69 m² | 88 m² | +19 m² +28% | 2015 |
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| 57, Halifax Road663 m away | 88 m² | 107 m² | +19 m² +22% | 2014 |
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| 79, King Street Terrace310 m away | 73 m² | 91 m² | +18 m² +25% | 2021 |
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| 28, Woodfield Terrace763 m away | 93 m² | 111 m² | +18 m² +19% | 2017 |
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| 8, Veevers Street663 m away | 76 m² | 94 m² | +18 m² +24% | 2016 |
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| 60, Colne Road785 m away | 74 m² | 92 m² | +18 m² +24% | 2016 |
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| 30, Albert Street270 m away | 76 m² | 94 m² | +18 m² +24% | 2015 |
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| 15, Hunter Street297 m away | 109 m² | 127 m² | +18 m² +17% | 2015 |
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| 29, Regent Street285 m away | 59 m² | 77 m² | +18 m² +31% | 2014 |
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| 7, Hill Street534 m away | 62 m² | 80 m² | +18 m² +29% | 2013 |
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| 99, Windermere Avenue863 m away | 94 m² | 112 m² | +18 m² +19% | 2013 |
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| 6, Broadhurst Way887 m away | 72 m² | 89 m² | +17 m² +24% | 2024 |
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| 20, Mount Street607 m away | 90 m² | 107 m² | +17 m² +19% | 2017 |
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| 29, Clitheroe Road702 m away | 112 m² | 129 m² | +17 m² +15% | 2016 |
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| 29, Bank Street952 m away | 70 m² | 87 m² | +17 m² +24% | 2016 |
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| 36, Clegg Street205 m away | 82 m² | 99 m² | +17 m² +21% | 2015 |
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| 17, Berry Street266 m away | 113 m² | 130 m² | +17 m² +15% | 2014 |
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| 27, Regent Street285 m away | 60 m² | 77 m² | +17 m² +28% | 2014 |
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| 22, Commercial Street784 m away | 74 m² | 91 m² | +17 m² +23% | 2013 |
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| 30, Commercial Street806 m away | 68 m² | 85 m² | +17 m² +25% | 2013 |
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| 29, Heyhead Street818 m away | 47 m² | 64 m² | +17 m² +36% | 2013 |
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| 21, Guilford Street370 m away | 74 m² | 90 m² | +16 m² +22% | 2021 |
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| 4, Kay Street690 m away | 80 m² | 96 m² | +16 m² +20% | 2021 |
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| 102, Halifax Road892 m away | 64 m² | 80 m² | +16 m² +25% | 2020 |
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| 3, Montague Street390 m away | 67 m² | 83 m² | +16 m² +24% | 2016 |
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| 50, Bird Street585 m away | 71 m² | 87 m² | +16 m² +23% | 2016 |
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| 5, Timber Street761 m away | 90 m² | 106 m² | +16 m² +18% | 2015 |
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| 25, Regent Street285 m away | 61 m² | 77 m² | +16 m² +26% | 2014 |
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| 13, Townley Street315 m away | 92 m² | 108 m² | +16 m² +17% | 2013 |
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| 26, Castle Street711 m away | 66 m² | 82 m² | +16 m² +24% | 2013 |
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| 40, Commercial Street806 m away | 50 m² | 66 m² | +16 m² +32% | 2013 |
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| 19, Bank Street952 m away | 56 m² | 72 m² | +16 m² +29% | 2013 |
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| 29b, Sefton Street603 m away | 82 m² | 98 m² | +16 m² +20% | 2011 |
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| 14, Arthur Street698 m away | 63 m² | 78 m² | +15 m² +24% | 2022 |
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| 5, Beattie Street700 m away | 64 m² | 79 m² | +15 m² +23% | 2019 |
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| 100, Burnley Road143 m away | 89 m² | 104 m² | +15 m² +17% | 2016 |
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| 16, Hill Street561 m away | 84 m² | 99 m² | +15 m² +18% | 2015 |
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| 7, Stanley Street717 m away | 77 m² | 92 m² | +15 m² +19% | 2014 |
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| 32, Commercial Street806 m away | 70 m² | 85 m² | +15 m² +21% | 2013 |
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