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 5PB
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 |
|---|---|---|---|---|
| 5, Harwood Gate290 m away | 115 m² | 254 m² | +139 m² +121% | 2016 |
| 273, Whalley Old Road462 m away | 127 m² | 247 m² | +120 m² +94% | 2014 |
| 3, Greenhead Avenue293 m away | 93 m² | 195 m² | +102 m² +110% | 2015 |
| 130, Laburnum Road491 m away | 98 m² | 194 m² | +96 m² +98% | 2017 |
| 17, Coniston Road315 m away | 82 m² | 153 m² | +71 m² +87% | 2015 |
| 1, Bastwell Road566 m away | 80 m² | 144 m² | +64 m² +80% | 2015 |
| 5, Emily Street420 m away | 87 m² | 151 m² | +64 m² +74% | 2014 |
| 6, Chestnut Gardens604 m away | 108 m² | 171 m² | +63 m² +58% | 2016 |
| 19, Furness Avenue371 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.
| 97 m² |
| 157 m² |
| +60 m² +62% |
| 2022 |
| 49, Tintern Crescent557 m away | 51 m² | 111 m² | +60 m² +118% | 2015 |
|---|
| 160, Cedar Street506 m away | 109 m² | 168 m² | +59 m² +54% | 2016 |
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| 46, Trevor Close918 m away | 82 m² | 140 m² | +58 m² +71% | 2016 |
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| 101, Whalley New Road383 m away | 121 m² | 175 m² | +54 m² +45% | 2026 |
|---|
| 17, Moss Gate358 m away | 87 m² | 140 m² | +53 m² +61% | 2015 |
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| 1, Kirkland Close418 m away | 164 m² | 215 m² | +51 m² +31% | 2016 |
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| 7, Birchbank Gardens434 m away | 66 m² | 116 m² | +50 m² +76% | 2026 |
|---|
| 32, Aberdare Close942 m away | 42 m² | 91 m² | +49 m² +117% | 2014 |
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| 285, Whalley Old Road462 m away | 254 m² | 302 m² | +48 m² +19% | 2022 |
|---|
| 9, Welbeck Avenue293 m away | 66 m² | 114 m² | +48 m² +73% | 2021 |
|---|
| 12, Baywood Street519 m away | 197 m² | 245 m² | +48 m² +24% | 2016 |
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| 68, St James'S Road961 m away | 110 m² | 158 m² | +48 m² +44% | 2016 |
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| 6, Elm Street246 m away | 89 m² | 135 m² | +46 m² +52% | 2017 |
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| 80, Holly Street739 m away | 74 m² | 120 m² | +46 m² +62% | 2016 |
|---|
| 2, Mossbank579 m away | 68 m² | 113 m² | +45 m² +66% | 2021 |
|---|
| 10, Copse Close638 m away | 108 m² | 152 m² | +44 m² +41% | 2016 |
|---|
| 4, Blackthorn Close536 m away | 70 m² | 114 m² | +44 m² +63% | 2015 |
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| 241, St James'S Road682 m away | 84 m² | 127 m² | +43 m² +51% | 2013 |
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| 46, Snowdon Avenue934 m away | 88 m² | 130 m² | +42 m² +48% | 2015 |
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| 54, Beardsworth Street249 m away | 78 m² | 119 m² | +41 m² +53% | 2026 |
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| 223, Whalley Old Road270 m away | 140 m² | 181 m² | +41 m² +29% | 2022 |
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| 27, Maple Street320 m away | 101 m² | 142 m² | +41 m² +41% | 2015 |
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| 47, Clarendon Road East690 m away | 67 m² | 107 m² | +40 m² +60% | 2026 |
|---|
| 5, Clinton Street332 m away | 73 m² | 113 m² | +40 m² +55% | 2017 |
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| 38, Snowdon Avenue934 m away | 83 m² | 123 m² | +40 m² +48% | 2014 |
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| 59, St Stephens Road59 m away | 73 m² | 112 m² | +39 m² +53% | 2020 |
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| 114, Beardsworth Street249 m away | 158 m² | 197 m² | +39 m² +25% | 2016 |
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| 3, Brookhouse Gardens803 m away | 100 m² | 139 m² | +39 m² +39% | 2016 |
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| 38, Harwood Gate290 m away | 105 m² | 143 m² | +38 m² +36% | 2016 |
|---|
| 26, Providence Street286 m away | 162 m² | 200 m² | +38 m² +23% | 2015 |
|---|
| 19, Brooklands Terrace115 m away | 75 m² | 112 m² | +37 m² +49% | 2025 |
|---|
| 3, Trevor Close918 m away | 109 m² | 145 m² | +36 m² +33% | 2023 |
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| 19, St Stephens Avenue0 m away | 97 m² | 133 m² | +36 m² +37% | 2016 |
|---|
| 200, Whalley Old Road116 m away | 125 m² | 161 m² | +36 m² +29% | 2016 |
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| 197, Whalley Old Road109 m away | 111 m² | 147 m² | +36 m² +32% | 2015 |
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| 29, Bay Street203 m away | 85 m² | 121 m² | +36 m² +42% | 2014 |
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| 169, Whalley Old Road109 m away | 107 m² | 140 m² | +33 m² +31% | 2024 |
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| 4, Trevor Close918 m away | 90 m² | 123 m² | +33 m² +37% | 2016 |
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| 43, Boxwood Street666 m away | 68 m² | 101 m² | +33 m² +49% | 2015 |
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| 11, Percival Street695 m away | 75 m² | 108 m² | +33 m² +44% | 2014 |
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| 47, Baywood Street519 m away | 89 m² | 122 m² | +33 m² +37% | 2013 |
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| 59, Clarendon Road East690 m away | 75 m² | 107 m² | +32 m² +43% | 2026 |
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| 10, Seven Trees Avenue405 m away | 73 m² | 105 m² | +32 m² +44% | 2022 |
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| 26, Progress Avenue121 m away | 81 m² | 113 m² | +32 m² +40% | 2021 |
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| 33, Tintern Crescent557 m away | 62 m² | 93 m² | +31 m² +50% | 2025 |
|---|
| 10, Broadfold Avenue160 m away | 73 m² | 104 m² | +31 m² +42% | 2015 |
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| 58, Coniston Road315 m away | 117 m² | 148 m² | +31 m² +26% | 2015 |
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| 23, Harwood Gate290 m away | 75 m² | 106 m² | +31 m² +41% | 2014 |
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| 106, Stone Hill Drive877 m away | 49 m² | 79 m² | +30 m² +61% | 2025 |
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| 16, Providence Street286 m away | 95 m² | 125 m² | +30 m² +32% | 2024 |
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| 207, Whalley Old Road270 m away | 108 m² | 138 m² | +30 m² +28% | 2016 |
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| 17, Copse Close638 m away | 102 m² | 132 m² | +30 m² +29% | 2016 |
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| 44, Maple Street320 m away | 78 m² | 108 m² | +30 m² +38% | 2015 |
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| 213, Whalley New Road489 m away | 87 m² | 117 m² | +30 m² +34% | 2015 |
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| 163, St James'S Road961 m away | 59 m² | 88 m² | +29 m² +49% | 2015 |
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| 57, Warrington Street243 m away | 61 m² | 89 m² | +28 m² +46% | 2016 |
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| 14, Mossdale543 m away | 59 m² | 87 m² | +28 m² +47% | 2016 |
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| 17, Brooklands Terrace115 m away | 82 m² | 110 m² | +28 m² +34% | 2015 |
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| 30, Harwood Gate290 m away | 144 m² | 171 m² | +27 m² +19% | 2016 |
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| 10, Moss Gate358 m away | 99 m² | 126 m² | +27 m² +27% | 2014 |
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| 316, Whalley Old Road291 m away | 77 m² | 104 m² | +27 m² +35% | 2013 |
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| 7, Broadfold Avenue160 m away | 144 m² | 170 m² | +26 m² +18% | 2025 |
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| 12, Providence Street286 m away | 96 m² | 122 m² | +26 m² +27% | 2022 |
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| 249, St James'S Road682 m away | 90 m² | 116 m² | +26 m² +29% | 2019 |
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| 30, Bay Street203 m away | 88 m² | 114 m² | +26 m² +30% | 2015 |
|---|
| 231, Whalley Old Road270 m away | 101 m² | 127 m² | +26 m² +26% | 2015 |
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| 14, Chestnut Gardens604 m away | 96 m² | 122 m² | +26 m² +27% | 2012 |
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| 18, Troy Street679 m away | 110 m² | 135 m² | +25 m² +23% | 2023 |
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| 342, Whalley Old Road291 m away | 80 m² | 105 m² | +25 m² +31% | 2021 |
|---|
| 40, Snowdon Avenue934 m away | 84 m² | 109 m² | +25 m² +30% | 2016 |
|---|
| 41, Warrington Street243 m away | 69 m² | 94 m² | +25 m² +36% | 2015 |
|---|
| 16, Birchbank Gardens434 m away | 67 m² | 92 m² | +25 m² +37% | 2015 |
|---|
| 34, Gorse Street880 m away | 86 m² | 111 m² | +25 m² +29% | 2014 |
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| 107, Plane Tree Road111 m away | 121 m² | 145 m² | +24 m² +20% | 2016 |
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| 224, Whalley Old Road116 m away | 99 m² | 123 m² | +24 m² +24% | 2016 |
|---|
| 2, Mossdale543 m away | 56 m² | 80 m² | +24 m² +43% | 2012 |
|---|
| 10, St Michaels Street624 m away | 74 m² | 97 m² | +23 m² +31% | 2026 |
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| 337, Whalley New Road886 m away | 78 m² | 101 m² | +23 m² +29% | 2026 |
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| 13, Progress Avenue121 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| 9, Dunsop Street888 m away | 78 m² | 101 m² | +23 m² +29% | 2016 |
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| 23, Bay Street203 m away | 117 m² | 140 m² | +23 m² +20% | 2015 |
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| 124, Whalley New Road336 m away | 83 m² | 106 m² | +23 m² +28% | 2014 |
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| 20, Robinson Street62 m away | 81 m² | 104 m² | +23 m² +28% | 2013 |
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| 57, St Stephens Road59 m away | 82 m² | 104 m² | +22 m² +27% | 2017 |
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| 211, Whalley New Road489 m away | 64 m² | 86 m² | +22 m² +34% | 2014 |
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| 5, Copse Close638 m away | 109 m² | 131 m² | +22 m² +20% | 2013 |
|---|
| 322, Whalley Old Road291 m away | 76 m² | 97 m² | +21 m² +28% | 2021 |
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| 10, Elm Street246 m away | 113 m² | 134 m² | +21 m² +19% | 2017 |
|---|
| 1, Boland Street286 m away | 58 m² | 79 m² | +21 m² +36% | 2017 |
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| 21, Brooklands Terrace115 m away | 85 m² | 106 m² | +21 m² +25% | 2016 |
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| 247, Whalley New Road640 m away | 134 m² | 155 m² | +21 m² +16% | 2014 |
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| 9, Logwood Street588 m away | 51 m² | 71 m² | +20 m² +39% | 2026 |
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| 5, Wesley Street544 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 5, Peter Street578 m away | 54 m² | 74 m² | +20 m² +37% | 2013 |
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| 12, Brooklands Terrace115 m away | 104 m² | 123 m² | +19 m² +18% | 2025 |
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| 74, Holly Street739 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
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| 3, Snow Street864 m away | 110 m² | 129 m² | +19 m² +17% | 2024 |
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| 17, Warrington Street243 m away | 78 m² | 97 m² | +19 m² +24% | 2017 |
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| 53, Providence Street286 m away | 77 m² | 96 m² | +19 m² +25% | 2016 |
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| 14, Florence Street447 m away | 70 m² | 89 m² | +19 m² +27% | 2016 |
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| 21, Moss Street398 m away | 99 m² | 118 m² | +19 m² +19% | 2015 |
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| 35, Brooklands Terrace115 m away | 104 m² | 123 m² | +19 m² +18% | 2014 |
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| 29, Wesley Street544 m away | 89 m² | 108 m² | +19 m² +21% | 2014 |
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| 94, Clarendon Road East690 m away | 94 m² | 113 m² | +19 m² +20% | 2013 |
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| 14, Norwich Street692 m away | 72 m² | 90 m² | +18 m² +25% | 2024 |
|---|
| 6, Goldhey Street248 m away | 83 m² | 101 m² | +18 m² +22% | 2016 |
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| 5, Welbeck Avenue293 m away | 58 m² | 76 m² | +18 m² +31% | 2016 |
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| 29, Boland Street286 m away | 82 m² | 100 m² | +18 m² +22% | 2015 |
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| 172, Whalley New Road456 m away | 56 m² | 74 m² | +18 m² +32% | 2015 |
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| 9, Troy Street679 m away | 92 m² | 110 m² | +18 m² +20% | 2014 |
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| 250 - 254, Whalley Old Road101 m away | 87 m² | 105 m² | +18 m² +21% | 2013 |
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| 301, Whalley New Road886 m away | 80 m² | 97 m² | +17 m² +21% | 2015 |
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| 15, Furness Avenue371 m away | 65 m² | 82 m² | +17 m² +26% | 2014 |
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| 54, Stone Hill Drive956 m away | 23 m² | 39 m² | +16 m² +70% | 2019 |
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| 25, Laburnum Road550 m away | 82 m² | 98 m² | +16 m² +20% | 2018 |
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| 87, Warrington Street243 m away | 83 m² | 99 m² | +16 m² +19% | 2016 |
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| 86, Ambleside Close622 m away | 91 m² | 107 m² | +16 m² +18% | 2016 |
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| 129, Whalley Range862 m away | 81 m² | 97 m² | +16 m² +20% | 2016 |
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| 9, Bethel Road156 m away | 84 m² | 100 m² | +16 m² +19% | 2014 |
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| 21, Clarendon Road East690 m away | 84 m² | 99 m² | +15 m² +18% | 2017 |
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| 17, Harwood Gate290 m away | 93 m² | 108 m² | +15 m² +16% | 2015 |
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| 346, Whalley Old Road291 m away | 82 m² | 97 m² | +15 m² +18% | 2015 |
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| 2, Notre Dame Gardens547 m away | 53 m² | 68 m² | +15 m² +28% | 2015 |
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| 18, St Michaels Street624 m away | 73 m² | 88 m² | +15 m² +21% | 2015 |
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| 26, Laburnum Road550 m away | 66 m² | 81 m² | +15 m² +23% | 2014 |
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| 173, St James'S Road961 m away | 69 m² | 84 m² | +15 m² +22% | 2014 |
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| 28, Boland Street286 m away | 72 m² | 87 m² | +15 m² +21% | 2013 |
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| 14 - 16, Logwood Street588 m away | 77 m² | 92 m² | +15 m² +19% | 2013 |
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| 16, Clarendon Road678 m away | 77 m² | 92 m² | +15 m² +19% | 2012 |
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