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 1PF
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 |
|---|---|---|---|---|
| 22, Freemantle Avenue835 m away | 162 m² | 289 m² | +127 m² +78% | 2015 |
| 467, Lytham Road433 m away | 172 m² | 297 m² | +125 m² +73% | 2013 |
| 60, Withnell Road951 m away | 138 m² | 239 m² | +101 m² +73% | 2020 |
| 15, Osborne Road867 m away | 153 m² | 249 m² | +96 m² +63% | 2014 |
| 34, Burlington Road297 m away | 85 m² | 180 m² | +95 m² +112% | 2016 |
| 125, Clifton Drive601 m away | 139 m² | 230 m² | +91 m² +65% | 2025 |
| The Grey Gables, Dunes Avenue666 m away | 136 m² | 227 m² | +91 m² +67% | 2014 |
| 18, Watson Road602 m away | 169 m² | 254 m² | +85 m² +50% | 2025 |
| 33, Horncliffe Road306 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.
| 100 m² |
| 183 m² |
| +83 m² +83% |
| 2014 |
| 117, Clifton Drive601 m away | 123 m² | 205 m² | +82 m² +67% | 2014 |
|---|
| 477, Lytham Road433 m away | 80 m² | 160 m² | +80 m² +100% | 2014 |
|---|
| 23, Kingston Avenue977 m away | 285 m² | 362 m² | +77 m² +27% | 2014 |
|---|
| 3, Arlington Avenue569 m away | 63 m² | 137 m² | +74 m² +117% | 2022 |
|---|
| 660, Lytham Road974 m away | 177 m² | 250 m² | +73 m² +41% | 2015 |
|---|
| 2, Windermere Road961 m away | 201 m² | 272 m² | +71 m² +35% | 2013 |
|---|
| 455, Lytham Road511 m away | 131 m² | 200 m² | +69 m² +53% | 2025 |
|---|
| 6, Boscombe Road320 m away | 169 m² | 238 m² | +69 m² +41% | 2015 |
|---|
| 7, Harrington Avenue479 m away | 96 m² | 162 m² | +66 m² +69% | 2016 |
|---|
| 27, Napier Avenue31 m away | 64 m² | 129 m² | +65 m² +102% | 2014 |
|---|
| 20, Horncliffe Road300 m away | 119 m² | 180 m² | +61 m² +51% | 2014 |
|---|
| 14, Napier Avenue31 m away | 194 m² | 254 m² | +60 m² +31% | 2013 |
|---|
| 54, Roseacre961 m away | 97 m² | 156 m² | +59 m² +61% | 2015 |
|---|
| 9, St James Road559 m away | 124 m² | 182 m² | +58 m² +47% | 2015 |
|---|
| 3, Mersey Road828 m away | 157 m² | 214 m² | +57 m² +36% | 2014 |
|---|
| 3, Princeway778 m away | 116 m² | 172 m² | +56 m² +48% | 2014 |
|---|
| 32, Rosebery Avenue271 m away | 123 m² | 178 m² | +55 m² +45% | 2014 |
|---|
| 21, Windermere Road961 m away | 236 m² | 291 m² | +55 m² +23% | 2014 |
|---|
| 139, Clifton Drive843 m away | 132 m² | 185 m² | +53 m² +40% | 2026 |
|---|
| 22, Bosworth Place889 m away | 127 m² | 178 m² | +51 m² +40% | 2018 |
|---|
| 22, Prestbury Avenue582 m away | 115 m² | 166 m² | +51 m² +44% | 2015 |
|---|
| 2, Horncliffe Road300 m away | 218 m² | 269 m² | +51 m² +23% | 2013 |
|---|
| 63, Napier Avenue157 m away | 107 m² | 156 m² | +49 m² +46% | 2015 |
|---|
| 1, Rutherford Place960 m away | 107 m² | 155 m² | +48 m² +45% | 2016 |
|---|
| 13, Rosebery Avenue253 m away | 117 m² | 165 m² | +48 m² +41% | 2014 |
|---|
| 5, Arlington Avenue569 m away | 100 m² | 148 m² | +48 m² +48% | 2014 |
|---|
| Flat 9, 148, Bond Street825 m away | 71 m² | 118 m² | +47 m² +66% | 2013 |
|---|
| 12, Alderley Avenue478 m away | 80 m² | 127 m² | +47 m² +59% | 2010 |
|---|
| 23, Broadway794 m away | 173 m² | 219 m² | +46 m² +27% | 2016 |
|---|
| 483, Lytham Road433 m away | 178 m² | 224 m² | +46 m² +26% | 2012 |
|---|
| 8, Brighton Avenue874 m away | 141 m² | 187 m² | +46 m² +33% | 2011 |
|---|
| Flat 1, 17, Windsor Avenue838 m away | 81 m² | 126 m² | +45 m² +56% | 2025 |
|---|
| 11, Napier Avenue31 m away | 181 m² | 225 m² | +44 m² +24% | 2023 |
|---|
| 4, Thirlmere Road930 m away | 83 m² | 127 m² | +44 m² +53% | 2021 |
|---|
| 21, Station Road990 m away | 98 m² | 142 m² | +44 m² +45% | 2019 |
|---|
| 58, Osborne Road916 m away | 216 m² | 260 m² | +44 m² +20% | 2016 |
|---|
| 61, Harrowside304 m away | 120 m² | 163 m² | +43 m² +36% | 2022 |
|---|
| 21, St Martins Road642 m away | 53 m² | 96 m² | +43 m² +81% | 2020 |
|---|
| 10, Napier Avenue31 m away | 217 m² | 259 m² | +42 m² +19% | 2022 |
|---|
| 70, Woodstock Gardens427 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
|---|
| 6, Seventh Avenue845 m away | 219 m² | 261 m² | +42 m² +19% | 2015 |
|---|
| 60, Carlyle Avenue142 m away | 100 m² | 142 m² | +42 m² +42% | 2013 |
|---|
| 122, Clifton Drive608 m away | 132 m² | 172 m² | +40 m² +30% | 2019 |
|---|
| 26, Withnell Road934 m away | 52 m² | 92 m² | +40 m² +77% | 2015 |
|---|
| 14, Woodstock Gardens427 m away | 108 m² | 146 m² | +38 m² +35% | 2020 |
|---|
| 21, Horncliffe Road306 m away | 29 m² | 67 m² | +38 m² +131% | 2017 |
|---|
| 695, New South Promenade910 m away | 145 m² | 183 m² | +38 m² +26% | 2014 |
|---|
| 34, Broadway788 m away | 27 m² | 65 m² | +38 m² +141% | 2013 |
|---|
| 63, Walpole Avenue803 m away | 126 m² | 163 m² | +37 m² +29% | 2024 |
|---|
| 89, Horncliffe Road103 m away | 76 m² | 113 m² | +37 m² +49% | 2021 |
|---|
| 417, Lytham Road597 m away | 77 m² | 114 m² | +37 m² +48% | 2013 |
|---|
| 28, Broadway788 m away | 50 m² | 87 m² | +37 m² +74% | 2013 |
|---|
| 65, Orchard Avenue731 m away | 61 m² | 98 m² | +37 m² +61% | 2012 |
|---|
| 6 - 8, Greystoke Place407 m away | 51 m² | 87 m² | +36 m² +71% | 2021 |
|---|
| Flat 2, Salthouses, Osborne Road894 m away | 36 m² | 72 m² | +36 m² +100% | 2018 |
|---|
| Flat 1, 2, Boscombe Road320 m away | 25 m² | 61 m² | +36 m² +144% | 2013 |
|---|
| 31, Wetherby Avenue484 m away | 118 m² | 153 m² | +35 m² +30% | 2023 |
|---|
| 10, Fenber Avenue906 m away | 138 m² | 173 m² | +35 m² +25% | 2014 |
|---|
| 94, Broadway788 m away | 102 m² | 136 m² | +34 m² +33% | 2024 |
|---|
| 104, Bond Street970 m away | 159 m² | 193 m² | +34 m² +21% | 2019 |
|---|
| 5, Crichton Place432 m away | 118 m² | 151 m² | +33 m² +28% | 2024 |
|---|
| 12, Coniston Road847 m away | 119 m² | 152 m² | +33 m² +28% | 2023 |
|---|
| 4, Worsley Avenue840 m away | 113 m² | 146 m² | +33 m² +29% | 2022 |
|---|
| Flat 3, St. Andrews Court, 64, Clifton Drive183 m away | 63 m² | 96 m² | +33 m² +52% | 2021 |
|---|
| 435, Lytham Road597 m away | 79 m² | 112 m² | +33 m² +42% | 2015 |
|---|
| 21, Bosworth Place889 m away | 159 m² | 191 m² | +32 m² +20% | 2026 |
|---|
| 15, Roseacre801 m away | 127 m² | 159 m² | +32 m² +25% | 2021 |
|---|
| 3, Seabourne Avenue470 m away | 97 m² | 129 m² | +32 m² +33% | 2016 |
|---|
| 80, Watson Road799 m away | 176 m² | 208 m² | +32 m² +18% | 2016 |
|---|
| 78, Burlington Road297 m away | 53 m² | 85 m² | +32 m² +60% | 2014 |
|---|
| 93, Harrington Avenue698 m away | 108 m² | 140 m² | +32 m² +30% | 2013 |
|---|
| 26, Woodstock Gardens427 m away | 89 m² | 120 m² | +31 m² +35% | 2020 |
|---|
| 59, Osborne Road916 m away | 23 m² | 53 m² | +30 m² +130% | 2023 |
|---|
| 59, The Crescent456 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
|---|
| 18, Burlington Road297 m away | 151 m² | 181 m² | +30 m² +20% | 2020 |
|---|
| 53a, Highfield Road580 m away | 81 m² | 111 m² | +30 m² +37% | 2018 |
|---|
| 37, Woodstock Gardens410 m away | 136 m² | 166 m² | +30 m² +22% | 2016 |
|---|
| 6, Thursby Avenue964 m away | 120 m² | 150 m² | +30 m² +25% | 2016 |
|---|
| 106, Abbey Road984 m away | 103 m² | 133 m² | +30 m² +29% | 2015 |
|---|
| 3, Horncliffe Road306 m away | 53 m² | 83 m² | +30 m² +57% | 2014 |
|---|
| 61, St Martins Road642 m away | 114 m² | 144 m² | +30 m² +26% | 2014 |
|---|
| 19, St Lukes Road658 m away | 131 m² | 161 m² | +30 m² +23% | 2013 |
|---|
| 32, Broadway788 m away | 24 m² | 54 m² | +30 m² +125% | 2013 |
|---|
| 94, St Lukes Road967 m away | 107 m² | 136 m² | +29 m² +27% | 2024 |
|---|
| 75, Withnell Road951 m away | 32 m² | 61 m² | +29 m² +91% | 2020 |
|---|
| 6, Withnell Road934 m away | 34 m² | 63 m² | +29 m² +85% | 2017 |
|---|
| 31, Kenilworth Gardens387 m away | 127 m² | 155 m² | +28 m² +22% | 2026 |
|---|
| 75, Rosebery Avenue253 m away | 112 m² | 140 m² | +28 m² +25% | 2024 |
|---|
| 8, Horncliffe Road300 m away | 21 m² | 49 m² | +28 m² +133% | 2019 |
|---|
| 8, Crichton Place432 m away | 110 m² | 138 m² | +28 m² +25% | 2018 |
|---|
| 53, Harrington Avenue479 m away | 101 m² | 129 m² | +28 m² +28% | 2016 |
|---|
| 1, Walpole Avenue581 m away | 100 m² | 128 m² | +28 m² +28% | 2014 |
|---|
| 41, Walpole Avenue803 m away | 96 m² | 124 m² | +28 m² +29% | 2012 |
|---|
| 1a, Simpson Street945 m away | 26 m² | 54 m² | +28 m² +108% | 2012 |
|---|
| 37, Burlington Road298 m away | 40 m² | 68 m² | +28 m² +70% | 2011 |
|---|
| 12, Roseacre801 m away | 120 m² | 147 m² | +27 m² +23% | 2026 |
|---|
| 117, Highfield Road732 m away | 65 m² | 92 m² | +27 m² +42% | 2021 |
|---|
| 25, Station Road990 m away | 39 m² | 66 m² | +27 m² +69% | 2019 |
|---|
| 653 - 655, New South Promenade531 m away | 88 m² | 115 m² | +27 m² +31% | 2016 |
|---|
| 7, Fenber Avenue906 m away | 98 m² | 125 m² | +27 m² +28% | 2016 |
|---|
| 15, Babbacombe Avenue149 m away | 84 m² | 111 m² | +27 m² +32% | 2015 |
|---|
| 2, Harrowside West303 m away | 93 m² | 120 m² | +27 m² +29% | 2015 |
|---|
| 1, Eastbourne Road170 m away | 100 m² | 127 m² | +27 m² +27% | 2013 |
|---|
| 14, Greystoke Place407 m away | 49 m² | 76 m² | +27 m² +55% | 2009 |
|---|
| 57, Harrington Avenue479 m away | 99 m² | 125 m² | +26 m² +26% | 2025 |
|---|
| 23, Coniston Road847 m away | 145 m² | 171 m² | +26 m² +18% | 2025 |
|---|
| 143, Highfield Road996 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
|---|
| Flat 4, Springdale Court, 25, Boscombe Road320 m away | 73 m² | 99 m² | +26 m² +36% | 2023 |
|---|
| 14, St Martins Road638 m away | 103 m² | 129 m² | +26 m² +25% | 2019 |
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| 365, Lytham Road907 m away | 53 m² | 79 m² | +26 m² +49% | 2018 |
|---|
| 6, Wycombe Avenue135 m away | 76 m² | 102 m² | +26 m² +34% | 2016 |
|---|
| Flat 3, 3, Boscombe Road320 m away | 36 m² | 62 m² | +26 m² +72% | 2015 |
|---|
| 28, Rosebery Avenue271 m away | 151 m² | 177 m² | +26 m² +17% | 2014 |
|---|
| 11, Harrington Avenue479 m away | 102 m² | 128 m² | +26 m² +25% | 2014 |
|---|
| 66, Burlington Road297 m away | 132 m² | 158 m² | +26 m² +20% | 2012 |
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| 89, Withnell Road951 m away | 42 m² | 68 m² | +26 m² +62% | 2011 |
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| 78, Stony Hill Avenue701 m away | 109 m² | 134 m² | +25 m² +23% | 2026 |
|---|
| 94, Burlington Road297 m away | 24 m² | 49 m² | +25 m² +104% | 2025 |
|---|
| 15, Station Road990 m away | 38 m² | 63 m² | +25 m² +66% | 2010 |
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| 7a, Kingston Avenue977 m away | 107 m² | 131 m² | +24 m² +22% | 2022 |
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| 12, Burlington Road297 m away | 39 m² | 63 m² | +24 m² +62% | 2014 |
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| 13, Sandhills Avenue354 m away | 98 m² | 122 m² | +24 m² +24% | 2014 |
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| 33a, Burlington Road298 m away | 74 m² | 98 m² | +24 m² +32% | 2013 |
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| Flat 1, 23, Horncliffe Road306 m away | 26 m² | 50 m² | +24 m² +92% | 2009 |
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| 55, Abbey Road895 m away | 64 m² | 87 m² | +23 m² +36% | 2023 |
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| 405, Lytham Road762 m away | 30 m² | 53 m² | +23 m² +77% | 2019 |
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| 24, Bentinck Avenue593 m away | 116 m² | 139 m² | +23 m² +20% | 2014 |
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| 140, Clifton Drive843 m away | 125 m² | 148 m² | +23 m² +18% | 2014 |
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| 556, Lytham Road496 m away | 29 m² | 52 m² | +23 m² +79% | 2012 |
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| 137 - 139, Bond Street901 m away | 44 m² | 67 m² | +23 m² +52% | 2011 |
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| 19, Bamton Avenue992 m away | 104 m² | 126 m² | +22 m² +21% | 2023 |
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| 66, Withnell Road951 m away | 36 m² | 58 m² | +22 m² +61% | 2017 |
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| 20, Everton Road694 m away | 67 m² | 89 m² | +22 m² +33% | 2016 |
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| 5, Whitwell Avenue957 m away | 86 m² | 108 m² | +22 m² +26% | 2016 |
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| 34, St James Road550 m away | 94 m² | 116 m² | +22 m² +23% | 2014 |
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| 11, Nateby Court, Clifton Drive94 m away | 51 m² | 73 m² | +22 m² +43% | 2013 |
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| 136 - 138, Bond Street825 m away | 50 m² | 72 m² | +22 m² +44% | 2013 |
|---|
| Flat 7, 148, Bond Street825 m away | 61 m² | 83 m² | +22 m² +36% | 2013 |
|---|
| 19a, Station Road990 m away | 25 m² | 47 m² | +22 m² +88% | 2010 |
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| 12, Trent Road666 m away | 55 m² | 76 m² | +21 m² +38% | 2026 |
|---|
| 4, Thursby Avenue964 m away | 113 m² | 134 m² | +21 m² +19% | 2026 |
|---|
| 22, Bournemouth Road337 m away | 102 m² | 123 m² | +21 m² +21% | 2025 |
|---|
| 19, Ullswater Road869 m away | 118 m² | 139 m² | +21 m² +18% | 2024 |
|---|
| 8, Sandhills Avenue354 m away | 94 m² | 115 m² | +21 m² +22% | 2021 |
|---|
| 24, Severn Road652 m away | 62 m² | 83 m² | +21 m² +34% | 2018 |
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| 23, Lodore Road686 m away | 63 m² | 84 m² | +21 m² +33% | 2016 |
|---|
| 18, Rosebery Avenue271 m away | 131 m² | 152 m² | +21 m² +16% | 2015 |
|---|
| 27, The Crescent456 m away | 105 m² | 126 m² | +21 m² +20% | 2014 |
|---|
| Flat 3, 49, Napier Avenue157 m away | 41 m² | 62 m² | +21 m² +51% | 2012 |
|---|
| 23, St Lukes Road658 m away | 106 m² | 126 m² | +20 m² +19% | 2024 |
|---|
| Flat 1, 94, Withnell Road951 m away | 31 m² | 51 m² | +20 m² +65% | 2024 |
|---|
| 149, Highfield Road996 m away | 98 m² | 118 m² | +20 m² +20% | 2021 |
|---|
| 6, Jesmond Avenue517 m away | 63 m² | 83 m² | +20 m² +32% | 2019 |
|---|
| 20, Worsley Avenue840 m away | 106 m² | 126 m² | +20 m² +19% | 2017 |
|---|
| 36, The Crescent456 m away | 97 m² | 117 m² | +20 m² +21% | 2016 |
|---|
| 2a, Roseway741 m away | 78 m² | 98 m² | +20 m² +26% | 2016 |
|---|
| 2, Rangeway Avenue863 m away | 91 m² | 111 m² | +20 m² +22% | 2015 |
|---|
| 8, Walpole Avenue581 m away | 118 m² | 138 m² | +20 m² +17% | 2014 |
|---|
| 2, St Lukes Road656 m away | 115 m² | 135 m² | +20 m² +17% | 2014 |
|---|
| 61, Highfield Road732 m away | 87 m² | 106 m² | +19 m² +22% | 2021 |
|---|
| 600, Lytham Road634 m away | 25 m² | 44 m² | +19 m² +76% | 2017 |
|---|
| 55, Withnell Road951 m away | 48 m² | 67 m² | +19 m² +40% | 2017 |
|---|
| 37, Osborne Road916 m away | 23 m² | 42 m² | +19 m² +83% | 2016 |
|---|
| 5, Burlington Court, Burlington Road395 m away | 17 m² | 36 m² | +19 m² +112% | 2014 |
|---|
| 541, Lytham Road571 m away | 81 m² | 100 m² | +19 m² +23% | 2013 |
|---|
| 142, Bond Street825 m away | 69 m² | 88 m² | +19 m² +28% | 2011 |
|---|
| 1, Bournemouth Road337 m away | 34 m² | 53 m² | +19 m² +56% | 2008 |
|---|
| 84, Harrowside379 m away | 114 m² | 132 m² | +18 m² +16% | 2024 |
|---|
| 3, Brighton Avenue874 m away | 59 m² | 77 m² | +18 m² +31% | 2021 |
|---|
| 53, Burlington Road298 m away | 39 m² | 57 m² | +18 m² +46% | 2020 |
|---|
| 28, Sandhills Avenue354 m away | 83 m² | 101 m² | +18 m² +22% | 2016 |
|---|
| 12, Tudor Place213 m away | 28 m² | 46 m² | +18 m² +64% | 2012 |
|---|
| 10, Tudor Place213 m away | 29 m² | 47 m² | +18 m² +62% | 2012 |
|---|
| 25, Osborne Road867 m away | 25 m² | 43 m² | +18 m² +72% | 2012 |
|---|
| 540, Lytham Road483 m away | 78 m² | 96 m² | +18 m² +23% | 2011 |
|---|
| 14, Roselyn Avenue839 m away | 88 m² | 105 m² | +17 m² +19% | 2024 |
|---|
| 38, Napier Avenue31 m away | 100 m² | 117 m² | +17 m² +17% | 2023 |
|---|
| 15, Arlington Avenue569 m away | 87 m² | 104 m² | +17 m² +20% | 2023 |
|---|
| 10, Clifton Drive183 m away | 47 m² | 64 m² | +17 m² +36% | 2022 |
|---|
| Flat 9, Salthouses, Osborne Road894 m away | 51 m² | 68 m² | +17 m² +33% | 2018 |
|---|
| 73, Withnell Road951 m away | 22 m² | 39 m² | +17 m² +77% | 2018 |
|---|
| Flat 6, The Sands, Marple Close996 m away | 69 m² | 86 m² | +17 m² +25% | 2018 |
|---|
| 32, Lodore Road686 m away | 74 m² | 91 m² | +17 m² +23% | 2016 |
|---|
| 473, Lytham Road433 m away | 52 m² | 69 m² | +17 m² +33% | 2014 |
|---|
| 463, Lytham Road433 m away | 66 m² | 83 m² | +17 m² +26% | 2014 |
|---|
| Fairbank Nursing Home, 52, Burlington Road297 m away | 43 m² | 60 m² | +17 m² +40% | 2010 |
|---|
| 67, Withnell Road951 m away | 29 m² | 46 m² | +17 m² +59% | 2009 |
|---|
| 3, Rutherford Place960 m away | 73 m² | 89 m² | +16 m² +22% | 2025 |
|---|
| 5, Rosemary Avenue890 m away | 73 m² | 89 m² | +16 m² +22% | 2024 |
|---|
| 78, Osborne Road916 m away | 34 m² | 50 m² | +16 m² +47% | 2023 |
|---|
| 63, Cheddar Avenue979 m away | 80 m² | 96 m² | +16 m² +20% | 2022 |
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