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 1LW
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 |
|---|---|---|---|---|
| 23, Pedders Lane981 m away | 115 m² | 278 m² | +163 m² +142% | 2013 |
| 174, St Annes Road906 m away | 144 m² | 297 m² | +153 m² +106% | 2022 |
| 25, Squires Gate Lane993 m away | 161 m² | 288 m² | +127 m² +79% | 2022 |
| 22, Freemantle Avenue889 m away | 162 m² | 289 m² | +127 m² +78% | 2015 |
| 467, Lytham Road214 m away | 172 m² | 297 m² | +125 m² +73% | 2013 |
| 60, Withnell Road980 m away | 138 m² | 239 m² | +101 m² +73% | 2020 |
| 15, Osborne Road955 m away | 153 m² | 249 m² | +96 m² +63% | 2014 |
| 34, Burlington Road246 m away | 85 m² | 180 m² | +95 m² +112% | 2016 |
| 125, Clifton Drive671 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.
| 139 m² |
| 230 m² |
| +91 m² +65% |
| 2025 |
| The Grey Gables, Dunes Avenue485 m away | 136 m² | 227 m² | +91 m² +67% | 2014 |
|---|
| 16, Burgate926 m away | 98 m² | 184 m² | +86 m² +88% | 2015 |
|---|
| 18, Watson Road603 m away | 169 m² | 254 m² | +85 m² +50% | 2025 |
|---|
| 33, Horncliffe Road122 m away | 100 m² | 183 m² | +83 m² +83% | 2014 |
|---|
| 117, Clifton Drive671 m away | 123 m² | 205 m² | +82 m² +67% | 2014 |
|---|
| 477, Lytham Road214 m away | 80 m² | 160 m² | +80 m² +100% | 2014 |
|---|
| 23, Kingston Avenue727 m away | 285 m² | 362 m² | +77 m² +27% | 2014 |
|---|
| 3, Arlington Avenue501 m away | 63 m² | 137 m² | +74 m² +117% | 2022 |
|---|
| 21, Berwick Road803 m away | 121 m² | 194 m² | +73 m² +60% | 2020 |
|---|
| 660, Lytham Road787 m away | 177 m² | 250 m² | +73 m² +41% | 2015 |
|---|
| 2, Windermere Road892 m away | 201 m² | 272 m² | +71 m² +35% | 2013 |
|---|
| 455, Lytham Road388 m away | 131 m² | 200 m² | +69 m² +53% | 2025 |
|---|
| 6, Boscombe Road0 m away | 169 m² | 238 m² | +69 m² +41% | 2015 |
|---|
| 7, Harrington Avenue357 m away | 96 m² | 162 m² | +66 m² +69% | 2016 |
|---|
| 27, Napier Avenue351 m away | 64 m² | 129 m² | +65 m² +102% | 2014 |
|---|
| 20, Horncliffe Road85 m away | 119 m² | 180 m² | +61 m² +51% | 2014 |
|---|
| 14, Napier Avenue351 m away | 194 m² | 254 m² | +60 m² +31% | 2013 |
|---|
| 54, Roseacre696 m away | 97 m² | 156 m² | +59 m² +61% | 2015 |
|---|
| 9, St James Road241 m away | 124 m² | 182 m² | +58 m² +47% | 2015 |
|---|
| 16, Priory Gate799 m away | 74 m² | 132 m² | +58 m² +78% | 2014 |
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| 329, St Annes Road799 m away | 90 m² | 147 m² | +57 m² +63% | 2014 |
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| 3, Mersey Road814 m away | 157 m² | 214 m² | +57 m² +36% | 2014 |
|---|
| 3, Princeway628 m away | 116 m² | 172 m² | +56 m² +48% | 2014 |
|---|
| 62, Endsleigh Gardens996 m away | 66 m² | 121 m² | +55 m² +83% | 2016 |
|---|
| 32, Rosebery Avenue167 m away | 123 m² | 178 m² | +55 m² +45% | 2014 |
|---|
| 21, Windermere Road892 m away | 236 m² | 291 m² | +55 m² +23% | 2014 |
|---|
| 139, Clifton Drive887 m away | 132 m² | 185 m² | +53 m² +40% | 2026 |
|---|
| 43, Berwick Road803 m away | 100 m² | 153 m² | +53 m² +53% | 2014 |
|---|
| 22, Bosworth Place873 m away | 127 m² | 178 m² | +51 m² +40% | 2018 |
|---|
| 22, Prestbury Avenue385 m away | 115 m² | 166 m² | +51 m² +44% | 2015 |
|---|
| 2, Horncliffe Road85 m away | 218 m² | 269 m² | +51 m² +23% | 2013 |
|---|
| 114, Ensign Court, Westgate Road933 m away | 50 m² | 99 m² | +49 m² +98% | 2025 |
|---|
| 63, Napier Avenue397 m away | 107 m² | 156 m² | +49 m² +46% | 2015 |
|---|
| 1, Rutherford Place952 m away | 107 m² | 155 m² | +48 m² +45% | 2016 |
|---|
| 13, Rosebery Avenue206 m away | 117 m² | 165 m² | +48 m² +41% | 2014 |
|---|
| 5, Arlington Avenue501 m away | 100 m² | 148 m² | +48 m² +48% | 2014 |
|---|
| Flat 9, 148, Bond Street882 m away | 71 m² | 118 m² | +47 m² +66% | 2013 |
|---|
| 12, Alderley Avenue453 m away | 80 m² | 127 m² | +47 m² +59% | 2010 |
|---|
| 23, Broadway587 m away | 173 m² | 219 m² | +46 m² +27% | 2016 |
|---|
| 483, Lytham Road214 m away | 178 m² | 224 m² | +46 m² +26% | 2012 |
|---|
| 8, Brighton Avenue893 m away | 141 m² | 187 m² | +46 m² +33% | 2011 |
|---|
| Flat 1, 17, Windsor Avenue873 m away | 81 m² | 126 m² | +45 m² +56% | 2025 |
|---|
| 11, Napier Avenue351 m away | 181 m² | 225 m² | +44 m² +24% | 2023 |
|---|
| 4, Thirlmere Road809 m away | 83 m² | 127 m² | +44 m² +53% | 2021 |
|---|
| 58, Osborne Road951 m away | 216 m² | 260 m² | +44 m² +20% | 2016 |
|---|
| 61, Harrowside301 m away | 120 m² | 163 m² | +43 m² +36% | 2022 |
|---|
| 21, St Martins Road345 m away | 53 m² | 96 m² | +43 m² +81% | 2020 |
|---|
| 326, St Annes Road916 m away | 79 m² | 122 m² | +43 m² +54% | 2016 |
|---|
| 30, Sawley Avenue817 m away | 89 m² | 132 m² | +43 m² +48% | 2014 |
|---|
| 10, Napier Avenue351 m away | 217 m² | 259 m² | +42 m² +19% | 2022 |
|---|
| 70, Woodstock Gardens417 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
|---|
| 6, Seventh Avenue573 m away | 219 m² | 261 m² | +42 m² +19% | 2015 |
|---|
| 60, Carlyle Avenue325 m away | 100 m² | 142 m² | +42 m² +42% | 2013 |
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| 122, Clifton Drive700 m away | 132 m² | 172 m² | +40 m² +30% | 2019 |
|---|
| 44, Selby Avenue927 m away | 81 m² | 120 m² | +39 m² +48% | 2013 |
|---|
| 14, Woodstock Gardens417 m away | 108 m² | 146 m² | +38 m² +35% | 2020 |
|---|
| 21, Horncliffe Road122 m away | 29 m² | 67 m² | +38 m² +131% | 2017 |
|---|
| 695, New South Promenade969 m away | 145 m² | 183 m² | +38 m² +26% | 2014 |
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| 34, Broadway600 m away | 27 m² | 65 m² | +38 m² +141% | 2013 |
|---|
| 63, Walpole Avenue793 m away | 126 m² | 163 m² | +37 m² +29% | 2024 |
|---|
| 89, Horncliffe Road227 m away | 76 m² | 113 m² | +37 m² +49% | 2021 |
|---|
| 306, St Annes Road916 m away | 132 m² | 169 m² | +37 m² +28% | 2014 |
|---|
| 417, Lytham Road514 m away | 77 m² | 114 m² | +37 m² +48% | 2013 |
|---|
| 28, Broadway600 m away | 50 m² | 87 m² | +37 m² +74% | 2013 |
|---|
| 65, Orchard Avenue442 m away | 61 m² | 98 m² | +37 m² +61% | 2012 |
|---|
| 6 - 8, Greystoke Place492 m away | 51 m² | 87 m² | +36 m² +71% | 2021 |
|---|
| Flat 2, Salthouses, Osborne Road902 m away | 36 m² | 72 m² | +36 m² +100% | 2018 |
|---|
| 307, St Annes Road799 m away | 122 m² | 158 m² | +36 m² +30% | 2014 |
|---|
| Flat 1, 2, Boscombe Road0 m away | 25 m² | 61 m² | +36 m² +144% | 2013 |
|---|
| 27, Primrose Avenue816 m away | 89 m² | 124 m² | +35 m² +39% | 2024 |
|---|
| 31, Wetherby Avenue414 m away | 118 m² | 153 m² | +35 m² +30% | 2023 |
|---|
| 10, Fenber Avenue722 m away | 138 m² | 173 m² | +35 m² +25% | 2014 |
|---|
| 94, Broadway600 m away | 102 m² | 136 m² | +34 m² +33% | 2024 |
|---|
| 5, Crichton Place510 m away | 118 m² | 151 m² | +33 m² +28% | 2024 |
|---|
| 12, Coniston Road758 m away | 119 m² | 152 m² | +33 m² +28% | 2023 |
|---|
| 4, Worsley Avenue669 m away | 113 m² | 146 m² | +33 m² +29% | 2022 |
|---|
| Flat 3, St. Andrews Court, 64, Clifton Drive462 m away | 63 m² | 96 m² | +33 m² +52% | 2021 |
|---|
| 435, Lytham Road514 m away | 79 m² | 112 m² | +33 m² +42% | 2015 |
|---|
| 21, Bosworth Place873 m away | 159 m² | 191 m² | +32 m² +20% | 2026 |
|---|
| 15, Roseacre552 m away | 127 m² | 159 m² | +32 m² +25% | 2021 |
|---|
| 3, Seabourne Avenue507 m away | 97 m² | 129 m² | +32 m² +33% | 2016 |
|---|
| 80, Watson Road666 m away | 176 m² | 208 m² | +32 m² +18% | 2016 |
|---|
| 24, Highgate953 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
|---|
| 78, Burlington Road246 m away | 53 m² | 85 m² | +32 m² +60% | 2014 |
|---|
| 93, Harrington Avenue574 m away | 108 m² | 140 m² | +32 m² +30% | 2013 |
|---|
| 217, St Annes Road906 m away | 138 m² | 169 m² | +31 m² +22% | 2023 |
|---|
| 26, Woodstock Gardens417 m away | 89 m² | 120 m² | +31 m² +35% | 2020 |
|---|
| 20, Knightsbridge Avenue772 m away | 84 m² | 115 m² | +31 m² +37% | 2014 |
|---|
| 23, Kimberley Avenue856 m away | 89 m² | 120 m² | +31 m² +35% | 2013 |
|---|
| 13, Gildabrook Road694 m away | 94 m² | 124 m² | +30 m² +32% | 2024 |
|---|
| 59, Osborne Road951 m away | 23 m² | 53 m² | +30 m² +130% | 2023 |
|---|
| 59, The Crescent479 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
|---|
| 18, Burlington Road246 m away | 151 m² | 181 m² | +30 m² +20% | 2020 |
|---|
| 53a, Highfield Road265 m away | 81 m² | 111 m² | +30 m² +37% | 2018 |
|---|
| 37, Woodstock Gardens389 m away | 136 m² | 166 m² | +30 m² +22% | 2016 |
|---|
| 6, Thursby Avenue651 m away | 120 m² | 150 m² | +30 m² +25% | 2016 |
|---|
| 106, Abbey Road685 m away | 103 m² | 133 m² | +30 m² +29% | 2015 |
|---|
| 3, Horncliffe Road122 m away | 53 m² | 83 m² | +30 m² +57% | 2014 |
|---|
| 61, St Martins Road345 m away | 114 m² | 144 m² | +30 m² +26% | 2014 |
|---|
| 19, St Lukes Road379 m away | 131 m² | 161 m² | +30 m² +23% | 2013 |
|---|
| 32, Broadway600 m away | 24 m² | 54 m² | +30 m² +125% | 2013 |
|---|
| 94, St Lukes Road674 m away | 107 m² | 136 m² | +29 m² +27% | 2024 |
|---|
| 75, Withnell Road980 m away | 32 m² | 61 m² | +29 m² +91% | 2020 |
|---|
| 31, Kenilworth Gardens352 m away | 127 m² | 155 m² | +28 m² +22% | 2026 |
|---|
| 75, Rosebery Avenue206 m away | 112 m² | 140 m² | +28 m² +25% | 2024 |
|---|
| 8, Wyndham Gardens908 m away | 57 m² | 85 m² | +28 m² +49% | 2024 |
|---|
| 8, Horncliffe Road85 m away | 21 m² | 49 m² | +28 m² +133% | 2019 |
|---|
| 8, Crichton Place510 m away | 110 m² | 138 m² | +28 m² +25% | 2018 |
|---|
| 53, Harrington Avenue357 m away | 101 m² | 129 m² | +28 m² +28% | 2016 |
|---|
| 1, Walpole Avenue609 m away | 100 m² | 128 m² | +28 m² +28% | 2014 |
|---|
| 41, Walpole Avenue793 m away | 96 m² | 124 m² | +28 m² +29% | 2012 |
|---|
| 37, Burlington Road283 m away | 40 m² | 68 m² | +28 m² +70% | 2011 |
|---|
| 12, Roseacre552 m away | 120 m² | 147 m² | +27 m² +23% | 2026 |
|---|
| 117, Highfield Road412 m away | 65 m² | 92 m² | +27 m² +42% | 2021 |
|---|
| 274, St Annes Road864 m away | 43 m² | 70 m² | +27 m² +63% | 2018 |
|---|
| 653 - 655, New South Promenade680 m away | 88 m² | 115 m² | +27 m² +31% | 2016 |
|---|
| 7, Fenber Avenue722 m away | 98 m² | 125 m² | +27 m² +28% | 2016 |
|---|
| 15, Babbacombe Avenue212 m away | 84 m² | 111 m² | +27 m² +32% | 2015 |
|---|
| 2, Harrowside West537 m away | 93 m² | 120 m² | +27 m² +29% | 2015 |
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| 7, Burgate926 m away | 79 m² | 106 m² | +27 m² +34% | 2015 |
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| 1, Eastbourne Road195 m away | 100 m² | 127 m² | +27 m² +27% | 2013 |
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| 14, Greystoke Place492 m away | 49 m² | 76 m² | +27 m² +55% | 2009 |
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| 57, Harrington Avenue357 m away | 99 m² | 125 m² | +26 m² +26% | 2025 |
|---|
| 23, Coniston Road758 m away | 145 m² | 171 m² | +26 m² +18% | 2025 |
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| 143, Highfield Road680 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
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| Flat 4, Springdale Court, 25, Boscombe Road0 m away | 73 m² | 99 m² | +26 m² +36% | 2023 |
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| 14, St Martins Road334 m away | 103 m² | 129 m² | +26 m² +25% | 2019 |
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| 365, Lytham Road890 m away | 53 m² | 79 m² | +26 m² +49% | 2018 |
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| 6, Wycombe Avenue203 m away | 76 m² | 102 m² | +26 m² +34% | 2016 |
|---|
| Flat 3, 3, Boscombe Road0 m away | 36 m² | 62 m² | +26 m² +72% | 2015 |
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| 28, Rosebery Avenue167 m away | 151 m² | 177 m² | +26 m² +17% | 2014 |
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| 11, Harrington Avenue357 m away | 102 m² | 128 m² | +26 m² +25% | 2014 |
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| 66, Belvere Avenue686 m away | 114 m² | 140 m² | +26 m² +23% | 2013 |
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| 66, Burlington Road246 m away | 132 m² | 158 m² | +26 m² +20% | 2012 |
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| 89, Withnell Road980 m away | 42 m² | 68 m² | +26 m² +62% | 2011 |
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| 78, Stony Hill Avenue556 m away | 109 m² | 134 m² | +25 m² +23% | 2026 |
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| 94, Burlington Road246 m away | 24 m² | 49 m² | +25 m² +104% | 2025 |
|---|
| 243, Highfield Road996 m away | 72 m² | 97 m² | +25 m² +35% | 2016 |
|---|
| 43, Stamford Avenue841 m away | 82 m² | 107 m² | +25 m² +30% | 2014 |
|---|
| 14, Lennox Gate996 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
|---|
| 302, St Annes Road916 m away | 111 m² | 136 m² | +25 m² +23% | 2013 |
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| 7a, Kingston Avenue727 m away | 107 m² | 131 m² | +24 m² +22% | 2022 |
|---|
| 12, Burlington Road246 m away | 39 m² | 63 m² | +24 m² +62% | 2014 |
|---|
| 13, Sandhills Avenue328 m away | 98 m² | 122 m² | +24 m² +24% | 2014 |
|---|
| 33a, Burlington Road283 m away | 74 m² | 98 m² | +24 m² +32% | 2013 |
|---|
| Flat 1, 23, Horncliffe Road122 m away | 26 m² | 50 m² | +24 m² +92% | 2009 |
|---|
| 55, Abbey Road587 m away | 64 m² | 87 m² | +23 m² +36% | 2023 |
|---|
| 12, Emerson Avenue961 m away | 72 m² | 95 m² | +23 m² +32% | 2023 |
|---|
| 235, St Annes Road906 m away | 109 m² | 132 m² | +23 m² +21% | 2020 |
|---|
| 405, Lytham Road722 m away | 30 m² | 53 m² | +23 m² +77% | 2019 |
|---|
| 19, Selby Avenue789 m away | 81 m² | 104 m² | +23 m² +28% | 2015 |
|---|
| 24, Bentinck Avenue634 m away | 116 m² | 139 m² | +23 m² +20% | 2014 |
|---|
| 140, Clifton Drive887 m away | 125 m² | 148 m² | +23 m² +18% | 2014 |
|---|
| 556, Lytham Road176 m away | 29 m² | 52 m² | +23 m² +79% | 2012 |
|---|
| 137 - 139, Bond Street976 m away | 44 m² | 67 m² | +23 m² +52% | 2011 |
|---|
| 7a, Squires Gate Lane993 m away | 93 m² | 115 m² | +22 m² +24% | 2025 |
|---|
| 19, Bamton Avenue795 m away | 104 m² | 126 m² | +22 m² +21% | 2023 |
|---|
| 66, Withnell Road980 m away | 36 m² | 58 m² | +22 m² +61% | 2017 |
|---|
| 20, Everton Road376 m away | 67 m² | 89 m² | +22 m² +33% | 2016 |
|---|
| 5, Whitwell Avenue663 m away | 86 m² | 108 m² | +22 m² +26% | 2016 |
|---|
| 34, St James Road296 m away | 94 m² | 116 m² | +22 m² +23% | 2014 |
|---|
| 11, Nateby Court, Clifton Drive414 m away | 51 m² | 73 m² | +22 m² +43% | 2013 |
|---|
| 136 - 138, Bond Street882 m away | 50 m² | 72 m² | +22 m² +44% | 2013 |
|---|
| Flat 7, 148, Bond Street882 m away | 61 m² | 83 m² | +22 m² +36% | 2013 |
|---|
| 12, Trent Road639 m away | 55 m² | 76 m² | +21 m² +38% | 2026 |
|---|
| 4, Thursby Avenue651 m away | 113 m² | 134 m² | +21 m² +19% | 2026 |
|---|
| 22, Bournemouth Road47 m away | 102 m² | 123 m² | +21 m² +21% | 2025 |
|---|
| 19, Ullswater Road769 m away | 118 m² | 139 m² | +21 m² +18% | 2024 |
|---|
| 8, Sandhills Avenue328 m away | 94 m² | 115 m² | +21 m² +22% | 2021 |
|---|
| 24, Severn Road650 m away | 62 m² | 83 m² | +21 m² +34% | 2018 |
|---|
| 23, Lodore Road372 m away | 63 m² | 84 m² | +21 m² +33% | 2016 |
|---|
| 18, Rosebery Avenue167 m away | 131 m² | 152 m² | +21 m² +16% | 2015 |
|---|
| 27, The Crescent479 m away | 105 m² | 126 m² | +21 m² +20% | 2014 |
|---|
| Flat 3, 49, Napier Avenue397 m away | 41 m² | 62 m² | +21 m² +51% | 2012 |
|---|
| 23, St Lukes Road379 m away | 106 m² | 126 m² | +20 m² +19% | 2024 |
|---|
| Flat 1, 94, Withnell Road980 m away | 31 m² | 51 m² | +20 m² +65% | 2024 |
|---|
| 149, Highfield Road680 m away | 98 m² | 118 m² | +20 m² +20% | 2021 |
|---|
| 6, Jesmond Avenue499 m away | 63 m² | 83 m² | +20 m² +32% | 2019 |
|---|
| 20, Worsley Avenue669 m away | 106 m² | 126 m² | +20 m² +19% | 2017 |
|---|
| 36, The Crescent479 m away | 97 m² | 117 m² | +20 m² +21% | 2016 |
|---|
| 2a, Roseway499 m away | 78 m² | 98 m² | +20 m² +26% | 2016 |
|---|
| 48, Beverley Grove806 m away | 85 m² | 105 m² | +20 m² +24% | 2016 |
|---|
| 2, Rangeway Avenue691 m away | 91 m² | 111 m² | +20 m² +22% | 2015 |
|---|
| 2, St Lukes Road366 m away | 115 m² | 135 m² | +20 m² +17% | 2014 |
|---|
| 8, Walpole Avenue609 m away | 118 m² | 138 m² | +20 m² +17% | 2014 |
|---|
| 61, Highfield Road412 m away | 87 m² | 106 m² | +19 m² +22% | 2021 |
|---|
| 600, Lytham Road379 m away | 25 m² | 44 m² | +19 m² +76% | 2017 |
|---|
| 55, Withnell Road980 m away | 48 m² | 67 m² | +19 m² +40% | 2017 |
|---|
| 37, Osborne Road951 m away | 23 m² | 42 m² | +19 m² +83% | 2016 |
|---|
| 5, Burlington Court, Burlington Road289 m away | 17 m² | 36 m² | +19 m² +112% | 2014 |
|---|
| 31, Sandgate982 m away | 94 m² | 113 m² | +19 m² +20% | 2014 |
|---|