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 FY4 1AD
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 |
|---|---|---|---|---|
| 11, Dean Street337 m away | 282 m² | 469 m² | +187 m² +66% | 2014 |
| 28, St Bedes Avenue68 m away | 169 m² | 317 m² | +148 m² +88% | 2015 |
| 26, Hill Street149 m away | 146 m² | 281 m² | +135 m² +92% | 2014 |
| 25, Moore Street156 m away | 131 m² | 240 m² | +109 m² +83% | 2014 |
| 60, Withnell Road411 m away | 138 m² | 239 m² | +101 m² +73% | 2020 |
| 15, Osborne Road499 m away | 153 m² | 249 m² | +96 m² +63% | 2014 |
| 132, Waterloo Road459 m away | 165 m² | 259 m² | +94 m² +57% | 2016 |
| 62, Tyldesley Road942 m away | 373 m² | 467 m² | +94 m² +25% | 2014 |
| 15, Shaw Road155 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.
| 246 m² |
| +89 m² +57% |
| 2013 |
| 362, Central Drive625 m away | 140 m² | 227 m² | +87 m² +62% | 2016 |
|---|
| 18, Watson Road789 m away | 169 m² | 254 m² | +85 m² +50% | 2025 |
|---|
| 3, Arlington Avenue898 m away | 63 m² | 137 m² | +74 m² +117% | 2022 |
|---|
| 75, Alexandra Road336 m away | 148 m² | 220 m² | +72 m² +49% | 2016 |
|---|
| 6, Byron Street63 m away | 114 m² | 185 m² | +71 m² +62% | 2022 |
|---|
| 2, Windermere Road589 m away | 201 m² | 272 m² | +71 m² +35% | 2013 |
|---|
| 52, Saville Road577 m away | 124 m² | 193 m² | +69 m² +56% | 2014 |
|---|
| 104, Bloomfield Road857 m away | 183 m² | 251 m² | +68 m² +37% | 2014 |
|---|
| 11, Hall Avenue666 m away | 169 m² | 234 m² | +65 m² +38% | 2016 |
|---|
| 55, Shetland Road788 m away | 77 m² | 141 m² | +64 m² +83% | 2015 |
|---|
| 1, Garden Terrace178 m away | 89 m² | 148 m² | +59 m² +66% | 2014 |
|---|
| 24, St Bedes Avenue68 m away | 184 m² | 242 m² | +58 m² +32% | 2014 |
|---|
| 75, Westfield Road944 m away | 82 m² | 140 m² | +58 m² +71% | 2014 |
|---|
| 3, Mersey Road584 m away | 157 m² | 214 m² | +57 m² +36% | 2014 |
|---|
| 3, Princeway897 m away | 116 m² | 172 m² | +56 m² +48% | 2014 |
|---|
| 97, Lytham Road672 m away | 59 m² | 114 m² | +55 m² +93% | 2023 |
|---|
| 21, Windermere Road589 m away | 236 m² | 291 m² | +55 m² +23% | 2014 |
|---|
| 62, Dean Street231 m away | 116 m² | 170 m² | +54 m² +47% | 2025 |
|---|
| 361, Central Drive823 m away | 96 m² | 148 m² | +52 m² +54% | 2017 |
|---|
| 425, Central Drive703 m away | 204 m² | 256 m² | +52 m² +25% | 2016 |
|---|
| 6, Wolsley Road213 m away | 94 m² | 145 m² | +51 m² +54% | 2023 |
|---|
| 76, Dunelt Road806 m away | 106 m² | 157 m² | +51 m² +48% | 2021 |
|---|
| 43, Crystal Road386 m away | 161 m² | 212 m² | +51 m² +32% | 2018 |
|---|
| 79, Bloomfield Road863 m away | 99 m² | 149 m² | +50 m² +51% | 2013 |
|---|
| 8, Nelson Road683 m away | 70 m² | 119 m² | +49 m² +70% | 2014 |
|---|
| 15, Lonsdale Road764 m away | 37 m² | 86 m² | +49 m² +132% | 2011 |
|---|
| 25 - 27, Crystal Road386 m away | 51 m² | 100 m² | +49 m² +96% | 2010 |
|---|
| 5, Arlington Avenue898 m away | 100 m² | 148 m² | +48 m² +48% | 2014 |
|---|
| 8, Exeter Street693 m away | 79 m² | 126 m² | +47 m² +59% | 2020 |
|---|
| Flat 9, 148, Bond Street528 m away | 71 m² | 118 m² | +47 m² +66% | 2013 |
|---|
| 6, Lonsdale Road764 m away | 42 m² | 89 m² | +47 m² +112% | 2012 |
|---|
| 47, Threlfall Road976 m away | 110 m² | 156 m² | +46 m² +42% | 2023 |
|---|
| 3a, Trafalgar Road750 m away | 121 m² | 167 m² | +46 m² +38% | 2016 |
|---|
| 8, Brighton Avenue498 m away | 141 m² | 187 m² | +46 m² +33% | 2011 |
|---|
| Flat 1, 17, Windsor Avenue522 m away | 81 m² | 126 m² | +45 m² +56% | 2025 |
|---|
| 15, Westfield Road903 m away | 62 m² | 107 m² | +45 m² +73% | 2023 |
|---|
| 4, Thirlmere Road748 m away | 83 m² | 127 m² | +44 m² +53% | 2021 |
|---|
| 21, Station Road377 m away | 98 m² | 142 m² | +44 m² +45% | 2019 |
|---|
| 58, Osborne Road443 m away | 216 m² | 260 m² | +44 m² +20% | 2016 |
|---|
| 26, Withnell Road443 m away | 48 m² | 92 m² | +44 m² +92% | 2015 |
|---|
| 13, Amberbanks Grove522 m away | 60 m² | 103 m² | +43 m² +72% | 2016 |
|---|
| 2, Henry Street789 m away | 61 m² | 104 m² | +43 m² +70% | 2012 |
|---|
| 70, Woodstock Gardens979 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
|---|
| 8, Austin Grove360 m away | 95 m² | 137 m² | +42 m² +44% | 2016 |
|---|
| 16, Haig Road232 m away | 56 m² | 98 m² | +42 m² +75% | 2014 |
|---|
| 24, Lunedale Avenue692 m away | 80 m² | 122 m² | +42 m² +53% | 2014 |
|---|
| 35, Clarendon Road693 m away | 34 m² | 75 m² | +41 m² +121% | 2015 |
|---|
| 9, Moore Street30 m away | 28 m² | 69 m² | +41 m² +146% | 2014 |
|---|
| 9, Hyde Road642 m away | 66 m² | 107 m² | +41 m² +62% | 2014 |
|---|
| 242, Waterloo Road875 m away | 35 m² | 75 m² | +40 m² +114% | 2023 |
|---|
| 211, Lytham Road203 m away | 126 m² | 166 m² | +40 m² +32% | 2014 |
|---|
| 33, Harcourt Road915 m away | 65 m² | 104 m² | +39 m² +60% | 2016 |
|---|
| 14, Clare Street394 m away | 108 m² | 147 m² | +39 m² +36% | 2014 |
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| 18, Nelson Road683 m away | 89 m² | 128 m² | +39 m² +44% | 2014 |
|---|
| 60, Westfield Road944 m away | 42 m² | 81 m² | +39 m² +93% | 2013 |
|---|
| 17, Shetland Road854 m away | 77 m² | 115 m² | +38 m² +49% | 2026 |
|---|
| 47, Haig Road232 m away | 67 m² | 105 m² | +38 m² +57% | 2023 |
|---|
| 14, Woodstock Gardens979 m away | 108 m² | 146 m² | +38 m² +35% | 2020 |
|---|
| Flat 2, 9, Hill Street58 m away | 56 m² | 94 m² | +38 m² +68% | 2014 |
|---|
| 1 Mathews Apartments, 112, Bloomfield Road857 m away | 40 m² | 78 m² | +38 m² +95% | 2014 |
|---|
| 18, St Bedes Avenue68 m away | 185 m² | 223 m² | +38 m² +21% | 2013 |
|---|
| 66, Dean Street231 m away | 36 m² | 74 m² | +38 m² +106% | 2013 |
|---|
| 34, Broadway988 m away | 27 m² | 65 m² | +38 m² +141% | 2013 |
|---|
| 21, St Chads Road454 m away | 158 m² | 195 m² | +37 m² +23% | 2016 |
|---|
| 417, Lytham Road894 m away | 77 m² | 114 m² | +37 m² +48% | 2013 |
|---|
| 28, Broadway988 m away | 50 m² | 87 m² | +37 m² +74% | 2013 |
|---|
| Flat 2, Salthouses, Osborne Road490 m away | 36 m² | 72 m² | +36 m² +100% | 2018 |
|---|
| 49, Dunelt Road849 m away | 141 m² | 177 m² | +36 m² +26% | 2015 |
|---|
| 135, Lytham Road519 m away | 26 m² | 62 m² | +36 m² +138% | 2014 |
|---|
| 24, Amberbanks Grove522 m away | 70 m² | 106 m² | +36 m² +51% | 2014 |
|---|
| 60, Marsden Road887 m away | 89 m² | 125 m² | +36 m² +40% | 2014 |
|---|
| 2, Clare Street394 m away | 75 m² | 111 m² | +36 m² +48% | 2013 |
|---|
| 9, St Bedes Avenue68 m away | 216 m² | 251 m² | +35 m² +16% | 2025 |
|---|
| 44, Haig Road232 m away | 62 m² | 97 m² | +35 m² +56% | 2014 |
|---|
| 10, Fenber Avenue944 m away | 138 m² | 173 m² | +35 m² +25% | 2014 |
|---|
| 10, Wolsley Road213 m away | 130 m² | 165 m² | +35 m² +27% | 2010 |
|---|
| 9, Dunelt Road849 m away | 105 m² | 140 m² | +35 m² +33% | 2009 |
|---|
| 16, Clarendon Road693 m away | 94 m² | 128 m² | +34 m² +36% | 2024 |
|---|
| 1, Marsden Road892 m away | 73 m² | 107 m² | +34 m² +47% | 2024 |
|---|
| 18, Threlfall Road944 m away | 72 m² | 106 m² | +34 m² +47% | 2024 |
|---|
| 94, Broadway988 m away | 102 m² | 136 m² | +34 m² +33% | 2024 |
|---|
| 104, Bond Street384 m away | 159 m² | 193 m² | +34 m² +21% | 2019 |
|---|
| 146, Bloomfield Road857 m away | 150 m² | 184 m² | +34 m² +23% | 2014 |
|---|
| 37, Bloomfield Road695 m away | 110 m² | 144 m² | +34 m² +31% | 2013 |
|---|
| 16, Lowrey Terrace491 m away | 32 m² | 65 m² | +33 m² +103% | 2025 |
|---|
| 12, Coniston Road713 m away | 119 m² | 152 m² | +33 m² +28% | 2023 |
|---|
| 89, Lytham Road672 m away | 69 m² | 102 m² | +33 m² +48% | 2022 |
|---|
| 4, Worsley Avenue926 m away | 113 m² | 146 m² | +33 m² +29% | 2022 |
|---|
| 7, Taunton Street814 m away | 58 m² | 91 m² | +33 m² +57% | 2016 |
|---|
| 1, Hudson Road894 m away | 87 m² | 120 m² | +33 m² +38% | 2016 |
|---|
| 435, Lytham Road894 m away | 79 m² | 112 m² | +33 m² +42% | 2015 |
|---|
| 3, Austin Grove360 m away | 89 m² | 122 m² | +33 m² +37% | 2014 |
|---|
| 151, Bloomfield Road863 m away | 36 m² | 69 m² | +33 m² +92% | 2011 |
|---|
| 56, Westfield Road944 m away | 104 m² | 136 m² | +32 m² +31% | 2020 |
|---|
| 53, Bond Street196 m away | 53 m² | 85 m² | +32 m² +60% | 2016 |
|---|
| 46, Dean Street231 m away | 27 m² | 59 m² | +32 m² +119% | 2016 |
|---|
| 80, Watson Road846 m away | 176 m² | 208 m² | +32 m² +18% | 2016 |
|---|
| 3, Seabourne Avenue900 m away | 97 m² | 129 m² | +32 m² +33% | 2016 |
|---|
| 42, Alexandra Road315 m away | 49 m² | 81 m² | +32 m² +65% | 2010 |
|---|
| 5, Amberbanks Grove522 m away | 64 m² | 95 m² | +31 m² +48% | 2026 |
|---|
| 26, Woodstock Gardens979 m away | 89 m² | 120 m² | +31 m² +35% | 2020 |
|---|
| 78, Lytham Road652 m away | 46 m² | 77 m² | +31 m² +67% | 2017 |
|---|
| 20, Nelson Road683 m away | 90 m² | 121 m² | +31 m² +34% | 2014 |
|---|
| 19, Clarendon Road693 m away | 121 m² | 151 m² | +30 m² +25% | 2024 |
|---|
| 59, The Crescent923 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
|---|
| 31, Harcourt Road915 m away | 76 m² | 106 m² | +30 m² +39% | 2020 |
|---|
| 409, Central Drive703 m away | 191 m² | 221 m² | +30 m² +16% | 2016 |
|---|
| 4, Winchester Avenue829 m away | 61 m² | 91 m² | +30 m² +49% | 2016 |
|---|
| 21, Clarendon Road693 m away | 127 m² | 157 m² | +30 m² +24% | 2015 |
|---|
| 19, Bright Street179 m away | 36 m² | 66 m² | +30 m² +83% | 2013 |
|---|
| 32, Broadway988 m away | 24 m² | 54 m² | +30 m² +125% | 2013 |
|---|
| 380, Lytham Road244 m away | 37 m² | 67 m² | +30 m² +81% | 2008 |
|---|
| 75, Withnell Road411 m away | 32 m² | 61 m² | +29 m² +91% | 2020 |
|---|
| 76, St Heliers Road437 m away | 109 m² | 138 m² | +29 m² +27% | 2014 |
|---|
| 20, Balmoral Road550 m away | 21 m² | 50 m² | +29 m² +138% | 2014 |
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| 13, Saville Road654 m away | 91 m² | 120 m² | +29 m² +32% | 2014 |
|---|
| 14, Shaw Road180 m away | 167 m² | 196 m² | +29 m² +17% | 2013 |
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| 16, St Annes Road622 m away | 84 m² | 113 m² | +29 m² +35% | 2013 |
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| 81, Alexandra Road336 m away | 53 m² | 82 m² | +29 m² +55% | 2012 |
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| 85, St Heliers Road437 m away | 95 m² | 123 m² | +28 m² +29% | 2026 |
|---|
| 24, Wellington Road595 m away | 119 m² | 147 m² | +28 m² +24% | 2023 |
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| 12, Winchester Avenue829 m away | 100 m² | 128 m² | +28 m² +28% | 2014 |
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| 29, Threlfall Road976 m away | 46 m² | 74 m² | +28 m² +61% | 2014 |
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| 10 - 12, Bright Street179 m away | 41 m² | 69 m² | +28 m² +68% | 2009 |
|---|
| 53, St Annes Court597 m away | 37 m² | 64 m² | +27 m² +73% | 2023 |
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| 32 - 38, Bond Street129 m away | 44 m² | 71 m² | +27 m² +61% | 2017 |
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| 6, Hudson Road894 m away | 77 m² | 104 m² | +27 m² +35% | 2016 |
|---|
| 7, Fenber Avenue944 m away | 98 m² | 125 m² | +27 m² +28% | 2016 |
|---|
| 4, Amberbanks Grove522 m away | 59 m² | 86 m² | +27 m² +46% | 2014 |
|---|
| 15, Hyde Road642 m away | 34 m² | 61 m² | +27 m² +79% | 2014 |
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| 4, Hall Avenue666 m away | 120 m² | 147 m² | +27 m² +23% | 2014 |
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| 23, Coniston Road713 m away | 145 m² | 171 m² | +26 m² +18% | 2025 |
|---|
| 103, Dunelt Road765 m away | 67 m² | 93 m² | +26 m² +39% | 2021 |
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| 4, Dunelt Road872 m away | 63 m² | 89 m² | +26 m² +41% | 2014 |
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| 27, Westfield Road903 m away | 98 m² | 124 m² | +26 m² +27% | 2014 |
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| 56, Station Road321 m away | 34 m² | 60 m² | +26 m² +76% | 2011 |
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| 89, Withnell Road411 m away | 42 m² | 68 m² | +26 m² +62% | 2011 |
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| 190, Waterloo Road720 m away | 79 m² | 105 m² | +26 m² +33% | 2011 |
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| 3, Crystal Road386 m away | 57 m² | 82 m² | +25 m² +44% | 2026 |
|---|
| 61, St Heliers Road546 m away | 58 m² | 83 m² | +25 m² +43% | 2021 |
|---|
| 23, Woodfield Road564 m away | 39 m² | 64 m² | +25 m² +64% | 2021 |
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| 38, St Heliers Road546 m away | 45 m² | 70 m² | +25 m² +56% | 2019 |
|---|
| 4, Arnside Avenue864 m away | 104 m² | 129 m² | +25 m² +24% | 2016 |
|---|
| 45, St Heliers Road546 m away | 117 m² | 142 m² | +25 m² +21% | 2015 |
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| 5, Maudland Road612 m away | 71 m² | 96 m² | +25 m² +35% | 2015 |
|---|
| 153, Bloomfield Road863 m away | 43 m² | 68 m² | +25 m² +58% | 2015 |
|---|
| 35, Haig Road232 m away | 84 m² | 109 m² | +25 m² +30% | 2014 |
|---|
| 10, Adrian Street253 m away | 68 m² | 93 m² | +25 m² +37% | 2014 |
|---|
| 17, Saville Road654 m away | 113 m² | 138 m² | +25 m² +22% | 2014 |
|---|
| 16, Eaton Avenue750 m away | 107 m² | 132 m² | +25 m² +23% | 2014 |
|---|
| 64, Shaw Road180 m away | 37 m² | 62 m² | +25 m² +68% | 2013 |
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| 22, Wellington Road595 m away | 63 m² | 88 m² | +25 m² +40% | 2013 |
|---|
| 65, Westfield Road944 m away | 50 m² | 75 m² | +25 m² +50% | 2013 |
|---|
| 15, Station Road377 m away | 38 m² | 63 m² | +25 m² +66% | 2010 |
|---|
| 15, Garden Terrace178 m away | 110 m² | 134 m² | +24 m² +22% | 2020 |
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| 39, Silverwood Avenue771 m away | 59 m² | 83 m² | +24 m² +41% | 2019 |
|---|
| 32, Clarendon Road693 m away | 89 m² | 113 m² | +24 m² +27% | 2018 |
|---|
| 55, Withnell Road411 m away | 43 m² | 67 m² | +24 m² +56% | 2017 |
|---|
| 69, Westfield Road944 m away | 83 m² | 107 m² | +24 m² +29% | 2016 |
|---|
| 2a, Castlegate217 m away | 83 m² | 107 m² | +24 m² +29% | 2014 |
|---|
| 27, Silverwood Avenue771 m away | 86 m² | 110 m² | +24 m² +28% | 2014 |
|---|
| 36, Chislehurst Avenue792 m away | 129 m² | 153 m² | +24 m² +19% | 2014 |
|---|
| 24, Lynton Avenue915 m away | 80 m² | 104 m² | +24 m² +30% | 2014 |
|---|
| 231, Waterloo Road714 m away | 126 m² | 149 m² | +23 m² +18% | 2022 |
|---|
| 10 - 12, Crystal Road386 m away | 36 m² | 59 m² | +23 m² +64% | 2021 |
|---|
| 29, Crystal Road386 m away | 135 m² | 158 m² | +23 m² +17% | 2018 |
|---|
| 47, Crystal Road386 m away | 142 m² | 165 m² | +23 m² +16% | 2017 |
|---|
| 77, Alexandra Road336 m away | 152 m² | 175 m² | +23 m² +15% | 2013 |
|---|
| 106, Saville Road521 m away | 121 m² | 144 m² | +23 m² +19% | 2011 |
|---|
| 364, Lytham Road244 m away | 20 m² | 43 m² | +23 m² +115% | 2008 |
|---|
| 100, St Heliers Road437 m away | 66 m² | 88 m² | +22 m² +33% | 2026 |
|---|
| 31, Lynton Avenue915 m away | 64 m² | 86 m² | +22 m² +34% | 2023 |
|---|
| 19, Bamton Avenue973 m away | 104 m² | 126 m² | +22 m² +21% | 2023 |
|---|
| 23, Chislehurst Avenue775 m away | 100 m² | 122 m² | +22 m² +22% | 2022 |
|---|
| 66, Withnell Road411 m away | 36 m² | 58 m² | +22 m² +61% | 2017 |
|---|
| Flat 2, 38 - 40, Alexandra Road315 m away | 73 m² | 95 m² | +22 m² +30% | 2016 |
|---|
| 16, Chislehurst Avenue792 m away | 79 m² | 101 m² | +22 m² +28% | 2016 |
|---|
| 57, Haig Road232 m away | 72 m² | 94 m² | +22 m² +31% | 2014 |
|---|
| 42, Station Road321 m away | 34 m² | 56 m² | +22 m² +65% | 2013 |
|---|
| Flat 7, 148, Bond Street528 m away | 61 m² | 83 m² | +22 m² +36% | 2013 |
|---|
| 26, St Annes Road622 m away | 138 m² | 160 m² | +22 m² +16% | 2013 |
|---|
| 12, Trent Road755 m away | 55 m² | 76 m² | +21 m² +38% | 2026 |
|---|
| 19, Westbourne Avenue395 m away | 123 m² | 144 m² | +21 m² +17% | 2024 |
|---|
| 19, Ullswater Road724 m away | 118 m² | 139 m² | +21 m² +18% | 2024 |
|---|
| 10, Woodfield Road564 m away | 85 m² | 106 m² | +21 m² +25% | 2023 |
|---|
| 62, Westfield Road944 m away | 64 m² | 85 m² | +21 m² +33% | 2021 |
|---|
| 25, Station Road377 m away | 39 m² | 60 m² | +21 m² +54% | 2019 |
|---|
| 24, Severn Road741 m away | 62 m² | 83 m² | +21 m² +34% | 2018 |
|---|
| 80, Bloomfield Road695 m away | 30 m² | 51 m² | +21 m² +70% | 2016 |
|---|
| 21, Shaw Road155 m away | 17 m² | 38 m² | +21 m² +124% | 2015 |
|---|
| 104, Saville Road521 m away | 66 m² | 87 m² | +21 m² +32% | 2015 |
|---|