Finding extended homes…
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Sign in to keep them on every device →Finding extended homes…
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 BD21 2QH
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 |
|---|---|---|---|---|
| 2, Spring Gardens Lane688 m away | 202 m² | 398 m² | +196 m² +97% | 2016 |
| Haslemere, Woodville Road604 m away | 259 m² | 433 m² | +174 m² +67% | 2016 |
| 12, Spring Gardens Mount785 m away | 115 m² | 280 m² | +165 m² +143% | 2014 |
| 62, Devonshire Street276 m away | 152 m² | 311 m² | +159 m² +105% | 2016 |
| 71, Richmond Street320 m away | 305 m² | 458 m² | +153 m² +50% | 2025 |
| 19, Spring Gardens Mount785 m away | 127 m² | 280 m² | +153 m² +120% | 2014 |
| 102, Malsis Road672 m away | 189 m² | 340 m² | +151 m² +80% | 2014 |
| 11, Selborne Grove914 m away | 164 m² | 285 m² | +121 m² +74% | 2014 |
| 1, Cliffe Street516 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.
| 133 m² |
| 251 m² |
| +118 m² +89% |
| 2014 |
| 9, Cliffe Street516 m away | 156 m² | 268 m² | +112 m² +72% | 2014 |
|---|
| 13, Castle Road760 m away | 164 m² | 273 m² | +109 m² +66% | 2016 |
|---|
| 2, Earl Street730 m away | 182 m² | 290 m² | +108 m² +59% | 2014 |
|---|
| 83, Devonshire Street277 m away | 294 m² | 399 m² | +105 m² +36% | 2017 |
|---|
| 73, Highfield Lane303 m away | 118 m² | 221 m² | +103 m² +87% | 2014 |
|---|
| 17, Castle Road760 m away | 133 m² | 232 m² | +99 m² +74% | 2014 |
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| 20, Acres Street761 m away | 91 m² | 188 m² | +97 m² +107% | 2014 |
|---|
| 3, Laurel Grove436 m away | 256 m² | 350 m² | +94 m² +37% | 2016 |
|---|
| 62, Mornington Street451 m away | 111 m² | 204 m² | +93 m² +84% | 2014 |
|---|
| 8, Belgrave Road209 m away | 88 m² | 178 m² | +90 m² +102% | 2022 |
|---|
| 81, Devonshire Street277 m away | 158 m² | 246 m² | +88 m² +56% | 2013 |
|---|
| 16, Coronation Way803 m away | 80 m² | 166 m² | +86 m² +108% | 2026 |
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| 4, Westway908 m away | 104 m² | 189 m² | +85 m² +82% | 2016 |
|---|
| 16, Highfield Lane395 m away | 165 m² | 250 m² | +85 m² +52% | 2014 |
|---|
| 40, Mornington Street451 m away | 119 m² | 202 m² | +83 m² +70% | 2014 |
|---|
| 35, Malsis Road965 m away | 164 m² | 246 m² | +82 m² +50% | 2016 |
|---|
| 1, Heather Grove590 m away | 78 m² | 160 m² | +82 m² +105% | 2013 |
|---|
| 4, Redcliffe Street276 m away | 93 m² | 173 m² | +80 m² +86% | 2015 |
|---|
| 16, Broomfield Road360 m away | 65 m² | 145 m² | +80 m² +123% | 2014 |
|---|
| 70, Mornington Street451 m away | 122 m² | 202 m² | +80 m² +66% | 2014 |
|---|
| 5, Winterburn Street983 m away | 101 m² | 180 m² | +79 m² +78% | 2014 |
|---|
| 246, Highfield Road441 m away | 68 m² | 146 m² | +78 m² +115% | 2026 |
|---|
| 49, Devonshire Street West139 m away | 89 m² | 167 m² | +78 m² +88% | 2014 |
|---|
| 16, Winterburn Street983 m away | 116 m² | 194 m² | +78 m² +67% | 2014 |
|---|
| 4, Westburn Avenue915 m away | 77 m² | 154 m² | +77 m² +100% | 2015 |
|---|
| 120, Malsis Road672 m away | 81 m² | 158 m² | +77 m² +95% | 2014 |
|---|
| 123, North Dean Road902 m away | 83 m² | 159 m² | +76 m² +92% | 2015 |
|---|
| 104, Malsis Road672 m away | 213 m² | 289 m² | +76 m² +36% | 2014 |
|---|
| 1, Malsis Crescent675 m away | 83 m² | 158 m² | +75 m² +90% | 2015 |
|---|
| 49, Grafton Road932 m away | 181 m² | 256 m² | +75 m² +41% | 2015 |
|---|
| 71, Highfield Lane303 m away | 105 m² | 180 m² | +75 m² +71% | 2014 |
|---|
| 36, Eagle Street336 m away | 63 m² | 138 m² | +75 m² +119% | 2014 |
|---|
| 3, Springfield Court613 m away | 81 m² | 155 m² | +74 m² +91% | 2015 |
|---|
| 66, Highfield Lane319 m away | 95 m² | 169 m² | +74 m² +78% | 2014 |
|---|
| 48, Malsis Road852 m away | 157 m² | 230 m² | +73 m² +46% | 2015 |
|---|
| 9, Winterburn Street983 m away | 76 m² | 149 m² | +73 m² +96% | 2014 |
|---|
| 28, Kensington Street855 m away | 73 m² | 145 m² | +72 m² +99% | 2017 |
|---|
| 47, Richmond Street320 m away | 135 m² | 207 m² | +72 m² +53% | 2014 |
|---|
| 168, Skipton Road830 m away | 192 m² | 263 m² | +71 m² +37% | 2016 |
|---|
| 57, Devonshire Street277 m away | 122 m² | 193 m² | +71 m² +58% | 2015 |
|---|
| 47, Highfield Lane303 m away | 124 m² | 194 m² | +70 m² +56% | 2015 |
|---|
| 29, Castle Road760 m away | 179 m² | 248 m² | +69 m² +39% | 2013 |
|---|
| 31, Midland Terrace940 m away | 82 m² | 150 m² | +68 m² +83% | 2009 |
|---|
| 160, Spencer Street34 m away | 94 m² | 161 m² | +67 m² +71% | 2015 |
|---|
| 105, Devonshire Street57 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 32, Cark Road869 m away | 118 m² | 184 m² | +66 m² +56% | 2016 |
|---|
| 100, Malsis Road672 m away | 231 m² | 296 m² | +65 m² +28% | 2016 |
|---|
| 67, Devonshire Street West104 m away | 52 m² | 114 m² | +62 m² +119% | 2016 |
|---|
| 36, Shann Crescent742 m away | 79 m² | 140 m² | +61 m² +77% | 2025 |
|---|
| 48, Devonshire Street276 m away | 212 m² | 273 m² | +61 m² +29% | 2017 |
|---|
| 130, Malsis Road672 m away | 125 m² | 186 m² | +61 m² +49% | 2014 |
|---|
| 84, Spencer Street253 m away | 88 m² | 148 m² | +60 m² +68% | 2017 |
|---|
| 9, The Chase833 m away | 99 m² | 159 m² | +60 m² +61% | 2015 |
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| 15, Winterburn Street983 m away | 89 m² | 149 m² | +60 m² +67% | 2014 |
|---|
| 7, Broomfield Street391 m away | 129 m² | 188 m² | +59 m² +46% | 2017 |
|---|
| 2, Westview Court724 m away | 123 m² | 182 m² | +59 m² +48% | 2017 |
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| 84, Malsis Road774 m away | 227 m² | 286 m² | +59 m² +26% | 2017 |
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| 194, Skipton Road830 m away | 170 m² | 229 m² | +59 m² +35% | 2017 |
|---|
| 4, Ward Street721 m away | 90 m² | 148 m² | +58 m² +64% | 2016 |
|---|
| 78, Spencer Street253 m away | 95 m² | 153 m² | +58 m² +61% | 2015 |
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| 47, Victoria Road804 m away | 77 m² | 135 m² | +58 m² +75% | 2014 |
|---|
| 69, Redcliffe Street182 m away | 54 m² | 111 m² | +57 m² +106% | 2014 |
|---|
| 55, Malsis Road965 m away | 89 m² | 146 m² | +57 m² +64% | 2014 |
|---|
| 112, Malsis Road672 m away | 146 m² | 202 m² | +56 m² +38% | 2014 |
|---|
| 20, Holker Street709 m away | 135 m² | 191 m² | +56 m² +41% | 2014 |
|---|
| 29, Cark Road869 m away | 123 m² | 179 m² | +56 m² +46% | 2014 |
|---|
| 24, Paget Street121 m away | 79 m² | 134 m² | +55 m² +70% | 2015 |
|---|
| 18, Whin Knoll Avenue686 m away | 81 m² | 136 m² | +55 m² +68% | 2015 |
|---|
| 8, Broomfield Street391 m away | 125 m² | 180 m² | +55 m² +44% | 2014 |
|---|
| 91, Devonshire Street West104 m away | 99 m² | 153 m² | +54 m² +55% | 2021 |
|---|
| 14, Gladstone Street571 m away | 84 m² | 138 m² | +54 m² +64% | 2016 |
|---|
| 22, Gordon Street213 m away | 144 m² | 197 m² | +53 m² +37% | 2017 |
|---|
| 41, Cliffe Street516 m away | 151 m² | 204 m² | +53 m² +35% | 2014 |
|---|
| 126, Fell Lane687 m away | 78 m² | 130 m² | +52 m² +67% | 2020 |
|---|
| 13, Edensor Road105 m away | 90 m² | 142 m² | +52 m² +58% | 2017 |
|---|
| 43, Holker Street767 m away | 152 m² | 204 m² | +52 m² +34% | 2013 |
|---|
| 170, Skipton Road830 m away | 236 m² | 287 m² | +51 m² +22% | 2015 |
|---|
| 89, Grafton Road932 m away | 140 m² | 191 m² | +51 m² +36% | 2015 |
|---|
| 9, Gordon Street213 m away | 115 m² | 166 m² | +51 m² +44% | 2014 |
|---|
| 32, Gladstone Street571 m away | 74 m² | 125 m² | +51 m² +69% | 2013 |
|---|
| 43, Selborne Grove914 m away | 111 m² | 161 m² | +50 m² +45% | 2017 |
|---|
| 1, Oxford Street548 m away | 53 m² | 103 m² | +50 m² +94% | 2016 |
|---|
| 23, Drake Street741 m away | 133 m² | 183 m² | +50 m² +38% | 2014 |
|---|
| 55, Catherine Street928 m away | 51 m² | 101 m² | +50 m² +98% | 2014 |
|---|
| 11, Drewry Road92 m away | 89 m² | 138 m² | +49 m² +55% | 2016 |
|---|
| 57, Victoria Road746 m away | 98 m² | 147 m² | +49 m² +50% | 2016 |
|---|
| 14, Rutland Street969 m away | 88 m² | 137 m² | +49 m² +56% | 2016 |
|---|
| 11, East Avenue962 m away | 129 m² | 178 m² | +49 m² +38% | 2015 |
|---|
| 32, Eagle Street336 m away | 89 m² | 138 m² | +49 m² +55% | 2014 |
|---|
| 94, Mornington Street451 m away | 121 m² | 170 m² | +49 m² +40% | 2014 |
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| 66, Mannville Road794 m away | 139 m² | 188 m² | +49 m² +35% | 2014 |
|---|
| 67, Grafton Road932 m away | 95 m² | 143 m² | +48 m² +51% | 2022 |
|---|
| 32, Clayton Rise527 m away | 47 m² | 95 m² | +48 m² +102% | 2019 |
|---|
| 25, Midland Terrace940 m away | 87 m² | 135 m² | +48 m² +55% | 2016 |
|---|
| 20, Mornington Street451 m away | 60 m² | 108 m² | +48 m² +80% | 2015 |
|---|
| 6, Spring Gardens Mount785 m away | 81 m² | 129 m² | +48 m² +59% | 2014 |
|---|
| 6, Maple Grove868 m away | 120 m² | 167 m² | +47 m² +39% | 2018 |
|---|
| 6, Apsley Street962 m away | 95 m² | 142 m² | +47 m² +49% | 2017 |
|---|
| 16, Gordon Street213 m away | 137 m² | 183 m² | +46 m² +34% | 2017 |
|---|
| 9, Castle Road760 m away | 224 m² | 270 m² | +46 m² +21% | 2016 |
|---|
| 16, Hartington Street788 m away | 151 m² | 197 m² | +46 m² +30% | 2016 |
|---|
| 7, Cark Road869 m away | 104 m² | 150 m² | +46 m² +44% | 2016 |
|---|
| 184, Spencer Street34 m away | 56 m² | 102 m² | +46 m² +82% | 2015 |
|---|
| 180, Highfield Lane395 m away | 140 m² | 186 m² | +46 m² +33% | 2015 |
|---|
| 59, Victoria Road746 m away | 102 m² | 148 m² | +46 m² +45% | 2015 |
|---|
| 31, Holker Street767 m away | 120 m² | 166 m² | +46 m² +38% | 2014 |
|---|
| 44, Cark Road869 m away | 106 m² | 152 m² | +46 m² +43% | 2014 |
|---|
| 182, Devonshire Street172 m away | 70 m² | 115 m² | +45 m² +64% | 2016 |
|---|
| 126, Malsis Road672 m away | 155 m² | 200 m² | +45 m² +29% | 2014 |
|---|
| 10, The Hallows700 m away | 92 m² | 136 m² | +44 m² +48% | 2026 |
|---|
| 26, Mannville Road688 m away | 113 m² | 157 m² | +44 m² +39% | 2015 |
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| 18, Drake Street741 m away | 160 m² | 204 m² | +44 m² +28% | 2015 |
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| 10, Fern Street866 m away | 83 m² | 127 m² | +44 m² +53% | 2015 |
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| 75, Catherine Street928 m away | 83 m² | 127 m² | +44 m² +53% | 2015 |
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| 72, Catherine Street928 m away | 94 m² | 138 m² | +44 m² +47% | 2014 |
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| 2, Cross Lister Street622 m away | 66 m² | 110 m² | +44 m² +67% | 2009 |
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| 17, Sladen Street155 m away | 124 m² | 167 m² | +43 m² +35% | 2017 |
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| 12, Ward Street721 m away | 89 m² | 132 m² | +43 m² +48% | 2017 |
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| 154, Devonshire Street32 m away | 104 m² | 147 m² | +43 m² +41% | 2015 |
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| 61, Catherine Street928 m away | 81 m² | 124 m² | +43 m² +53% | 2015 |
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| 15, Simpson Street70 m away | 53 m² | 96 m² | +43 m² +81% | 2014 |
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| 64, Mornington Street451 m away | 114 m² | 157 m² | +43 m² +38% | 2014 |
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| 95, Grafton Road932 m away | 92 m² | 135 m² | +43 m² +47% | 2014 |
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| 101, Grafton Road932 m away | 98 m² | 140 m² | +42 m² +43% | 2026 |
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| 30, Kensington Street855 m away | 65 m² | 107 m² | +42 m² +65% | 2017 |
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| 116, Spencer Street149 m away | 120 m² | 162 m² | +42 m² +35% | 2016 |
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| 29, Granville Street263 m away | 91 m² | 133 m² | +42 m² +46% | 2015 |
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| 15, Ada Street70 m away | 52 m² | 94 m² | +42 m² +81% | 2014 |
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| 42, Mornington Street451 m away | 129 m² | 171 m² | +42 m² +33% | 2014 |
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| 31, Cark Road869 m away | 126 m² | 168 m² | +42 m² +33% | 2014 |
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| 14, Paget Street121 m away | 80 m² | 122 m² | +42 m² +53% | 2013 |
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| 35, Spencer Street149 m away | 124 m² | 165 m² | +41 m² +33% | 2016 |
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| 59, Catherine Street928 m away | 81 m² | 122 m² | +41 m² +51% | 2015 |
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| 75, Grafton Road932 m away | 131 m² | 172 m² | +41 m² +31% | 2015 |
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| 49, Granville Street160 m away | 105 m² | 146 m² | +41 m² +39% | 2014 |
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| 8, Kenya Mount911 m away | 66 m² | 107 m² | +41 m² +62% | 2014 |
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| 10, Acres Street761 m away | 108 m² | 148 m² | +40 m² +37% | 2017 |
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| 58, Mannville Grove678 m away | 79 m² | 119 m² | +40 m² +51% | 2016 |
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| 13, Upper Calton Street919 m away | 65 m² | 105 m² | +40 m² +62% | 2016 |
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| 13, Winterburn Street983 m away | 85 m² | 125 m² | +40 m² +47% | 2014 |
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| 20, View Road654 m away | 124 m² | 164 m² | +40 m² +32% | 2013 |
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| 21, The Chase833 m away | 111 m² | 151 m² | +40 m² +36% | 2013 |
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| 265, Highfield Road527 m away | 100 m² | 139 m² | +39 m² +39% | 2026 |
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| 6, View Road613 m away | 137 m² | 176 m² | +39 m² +28% | 2017 |
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| 122, Malsis Road672 m away | 153 m² | 192 m² | +39 m² +25% | 2016 |
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| 20, The Chase833 m away | 123 m² | 162 m² | +39 m² +32% | 2016 |
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| 18, Calton Street857 m away | 79 m² | 118 m² | +39 m² +49% | 2016 |
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| 44, Fell Lane611 m away | 91 m² | 130 m² | +39 m² +43% | 2015 |
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| 67, Redcliffe Street182 m away | 54 m² | 93 m² | +39 m² +72% | 2014 |
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| 12, Springfield Road696 m away | 88 m² | 127 m² | +39 m² +44% | 2014 |
|---|
| 5, Gordon Street213 m away | 115 m² | 154 m² | +39 m² +34% | 2013 |
|---|
| 91, Grafton Road932 m away | 127 m² | 165 m² | +38 m² +30% | 2023 |
|---|
| 91, Spencer Street34 m away | 101 m² | 139 m² | +38 m² +38% | 2017 |
|---|
| 49, Devonshire Street277 m away | 144 m² | 182 m² | +38 m² +26% | 2017 |
|---|
| 8, Balfour Street760 m away | 90 m² | 128 m² | +38 m² +42% | 2017 |
|---|
| 11, The Chase833 m away | 115 m² | 153 m² | +38 m² +33% | 2017 |
|---|
| 20, Eagle Street336 m away | 62 m² | 100 m² | +38 m² +61% | 2016 |
|---|
| 17, Calver Avenue541 m away | 76 m² | 114 m² | +38 m² +50% | 2016 |
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| 7, Clarendon Street878 m away | 92 m² | 130 m² | +38 m² +41% | 2016 |
|---|
| 3, Cark Road869 m away | 181 m² | 219 m² | +38 m² +21% | 2015 |
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| 63, Grafton Road932 m away | 101 m² | 139 m² | +38 m² +38% | 2015 |
|---|
| 12, Edensor Road105 m away | 93 m² | 131 m² | +38 m² +41% | 2014 |
|---|
| 27, Belgrave Road239 m away | 90 m² | 128 m² | +38 m² +42% | 2014 |
|---|
| 24, Drake Street741 m away | 130 m² | 168 m² | +38 m² +29% | 2014 |
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| 35, Holker Street767 m away | 130 m² | 168 m² | +38 m² +29% | 2014 |
|---|
| 14, Queens Road976 m away | 126 m² | 164 m² | +38 m² +30% | 2014 |
|---|
| 5, Edensor Road105 m away | 85 m² | 122 m² | +37 m² +44% | 2016 |
|---|
| 268, West Lane472 m away | 69 m² | 106 m² | +37 m² +54% | 2015 |
|---|
| 22, High Spring Gardens Lane730 m away | 113 m² | 150 m² | +37 m² +33% | 2015 |
|---|
| 20, Clarendon Street906 m away | 77 m² | 114 m² | +37 m² +48% | 2014 |
|---|
| 38, Scott Street569 m away | 71 m² | 107 m² | +36 m² +51% | 2025 |
|---|
| 45, Shann Avenue818 m away | 60 m² | 96 m² | +36 m² +60% | 2025 |
|---|
| 5, Hartington Street788 m away | 108 m² | 144 m² | +36 m² +33% | 2022 |
|---|
| 22, Devonshire Street West82 m away | 92 m² | 128 m² | +36 m² +39% | 2016 |
|---|
| 112, Devonshire Street148 m away | 125 m² | 161 m² | +36 m² +29% | 2016 |
|---|
| 5, Acres Street761 m away | 100 m² | 136 m² | +36 m² +36% | 2016 |
|---|
| 36, Mornington Street451 m away | 139 m² | 175 m² | +36 m² +26% | 2014 |
|---|
| 14, Devonshire Street479 m away | 40 m² | 75 m² | +35 m² +88% | 2023 |
|---|
| 35, Mannville Grove698 m away | 106 m² | 141 m² | +35 m² +33% | 2016 |
|---|
| 24, Ashleigh Street898 m away | 133 m² | 168 m² | +35 m² +26% | 2016 |
|---|
| 43, Malsis Road965 m away | 93 m² | 128 m² | +35 m² +38% | 2016 |
|---|
| 99, Spencer Street34 m away | 89 m² | 124 m² | +35 m² +39% | 2015 |
|---|
| 2, Redcliffe Grove273 m away | 60 m² | 95 m² | +35 m² +58% | 2015 |
|---|
| 93, Highfield Lane367 m away | 138 m² | 173 m² | +35 m² +25% | 2015 |
|---|
| 118, Fell Lane687 m away | 73 m² | 108 m² | +35 m² +48% | 2015 |
|---|
| 55, Grafton Road932 m away | 116 m² | 151 m² | +35 m² +30% | 2015 |
|---|
| 21, Castle Road760 m away | 180 m² | 214 m² | +34 m² +19% | 2023 |
|---|
| 16, Mornington Street451 m away | 92 m² | 126 m² | +34 m² +37% | 2021 |
|---|
| 12, Balfour Street760 m away | 96 m² | 130 m² | +34 m² +35% | 2017 |
|---|
| 46, Malsis Road852 m away | 149 m² | 183 m² | +34 m² +23% | 2017 |
|---|
| 10, Barlow Road354 m away | 70 m² | 104 m² | +34 m² +49% | 2015 |
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