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 1EG
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 Street552 m away | 282 m² | 469 m² | +187 m² +66% | 2014 |
| 23, Pedders Lane939 m away | 115 m² | 278 m² | +163 m² +142% | 2013 |
| 174, St Annes Road735 m away | 144 m² | 297 m² | +153 m² +106% | 2022 |
| 28, St Bedes Avenue851 m away | 169 m² | 317 m² | +148 m² +88% | 2015 |
| 26, Hill Street646 m away | 146 m² | 281 m² | +135 m² +92% | 2014 |
| 467, Lytham Road438 m away | 172 m² | 297 m² | +125 m² +73% | 2013 |
| 25, Moore Street635 m away | 131 m² | 240 m² | +109 m² +83% | 2014 |
| 60, Withnell Road378 m away | 138 m² | 239 m² | +101 m² +73% | 2020 |
| 15, Osborne Road377 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.
| 249 m² |
| +96 m² +63% |
| 2014 |
| 34, Burlington Road367 m away | 85 m² | 180 m² | +95 m² +112% | 2016 |
|---|
| 132, Waterloo Road956 m away | 165 m² | 259 m² | +94 m² +57% | 2016 |
|---|
| 15, Shaw Road938 m away | 157 m² | 246 m² | +89 m² +57% | 2013 |
|---|
| 18, Watson Road0 m away | 169 m² | 254 m² | +85 m² +50% | 2025 |
|---|
| 33, Horncliffe Road481 m away | 100 m² | 183 m² | +83 m² +83% | 2014 |
|---|
| 477, Lytham Road438 m away | 80 m² | 160 m² | +80 m² +100% | 2014 |
|---|
| 3, Arlington Avenue142 m away | 63 m² | 137 m² | +74 m² +117% | 2022 |
|---|
| 6, Byron Street736 m away | 114 m² | 185 m² | +71 m² +62% | 2022 |
|---|
| 2, Windermere Road370 m away | 201 m² | 272 m² | +71 m² +35% | 2013 |
|---|
| 455, Lytham Road260 m away | 131 m² | 200 m² | +69 m² +53% | 2025 |
|---|
| 6, Boscombe Road603 m away | 169 m² | 238 m² | +69 m² +41% | 2015 |
|---|
| 7, Harrington Avenue951 m away | 96 m² | 162 m² | +66 m² +69% | 2016 |
|---|
| 27, Napier Avenue613 m away | 64 m² | 129 m² | +65 m² +102% | 2014 |
|---|
| 20, Horncliffe Road518 m away | 119 m² | 180 m² | +61 m² +51% | 2014 |
|---|
| 14, Napier Avenue613 m away | 194 m² | 254 m² | +60 m² +31% | 2013 |
|---|
| 1, Garden Terrace785 m away | 89 m² | 148 m² | +59 m² +66% | 2014 |
|---|
| 9, St James Road672 m away | 124 m² | 182 m² | +58 m² +47% | 2015 |
|---|
| 24, St Bedes Avenue851 m away | 184 m² | 242 m² | +58 m² +32% | 2014 |
|---|
| 3, Mersey Road227 m away | 157 m² | 214 m² | +57 m² +36% | 2014 |
|---|
| 329, St Annes Road938 m away | 90 m² | 147 m² | +57 m² +63% | 2014 |
|---|
| 3, Princeway333 m away | 116 m² | 172 m² | +56 m² +48% | 2014 |
|---|
| 21, Windermere Road370 m away | 236 m² | 291 m² | +55 m² +23% | 2014 |
|---|
| 32, Rosebery Avenue445 m away | 123 m² | 178 m² | +55 m² +45% | 2014 |
|---|
| 62, Dean Street559 m away | 116 m² | 170 m² | +54 m² +47% | 2025 |
|---|
| 6, Wolsley Road929 m away | 94 m² | 145 m² | +51 m² +54% | 2023 |
|---|
| 22, Prestbury Avenue986 m away | 115 m² | 166 m² | +51 m² +44% | 2015 |
|---|
| 2, Horncliffe Road518 m away | 218 m² | 269 m² | +51 m² +23% | 2013 |
|---|
| 63, Napier Avenue759 m away | 107 m² | 156 m² | +49 m² +46% | 2015 |
|---|
| 5, Arlington Avenue142 m away | 100 m² | 148 m² | +48 m² +48% | 2014 |
|---|
| 13, Rosebery Avenue419 m away | 117 m² | 165 m² | +48 m² +41% | 2014 |
|---|
| 8, Exeter Street938 m away | 79 m² | 126 m² | +47 m² +59% | 2020 |
|---|
| Flat 9, 148, Bond Street287 m away | 71 m² | 118 m² | +47 m² +66% | 2013 |
|---|
| 23, Broadway453 m away | 173 m² | 219 m² | +46 m² +27% | 2016 |
|---|
| 483, Lytham Road438 m away | 178 m² | 224 m² | +46 m² +26% | 2012 |
|---|
| 8, Brighton Avenue291 m away | 141 m² | 187 m² | +46 m² +33% | 2011 |
|---|
| Flat 1, 17, Windsor Avenue271 m away | 81 m² | 126 m² | +45 m² +56% | 2025 |
|---|
| 11, Napier Avenue613 m away | 181 m² | 225 m² | +44 m² +24% | 2023 |
|---|
| 4, Thirlmere Road392 m away | 83 m² | 127 m² | +44 m² +53% | 2021 |
|---|
| 21, Station Road476 m away | 98 m² | 142 m² | +44 m² +45% | 2019 |
|---|
| 58, Osborne Road349 m away | 216 m² | 260 m² | +44 m² +20% | 2016 |
|---|
| 26, Withnell Road446 m away | 48 m² | 92 m² | +44 m² +92% | 2015 |
|---|
| 61, Harrowside838 m away | 120 m² | 163 m² | +43 m² +36% | 2022 |
|---|
| 21, St Martins Road613 m away | 53 m² | 96 m² | +43 m² +81% | 2020 |
|---|
| 10, Napier Avenue613 m away | 217 m² | 259 m² | +42 m² +19% | 2022 |
|---|
| 70, Woodstock Gardens191 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
|---|
| 6, Seventh Avenue642 m away | 219 m² | 261 m² | +42 m² +19% | 2015 |
|---|
| 60, Carlyle Avenue732 m away | 100 m² | 142 m² | +42 m² +42% | 2013 |
|---|
| 9, Moore Street759 m away | 28 m² | 69 m² | +41 m² +146% | 2014 |
|---|
| 211, Lytham Road977 m away | 126 m² | 166 m² | +40 m² +32% | 2014 |
|---|
| 33, Harcourt Road879 m away | 65 m² | 104 m² | +39 m² +60% | 2016 |
|---|
| 14, Woodstock Gardens191 m away | 108 m² | 146 m² | +38 m² +35% | 2020 |
|---|
| Flat 2, 9, Hill Street759 m away | 56 m² | 94 m² | +38 m² +68% | 2014 |
|---|
| 34, Broadway410 m away | 27 m² | 65 m² | +38 m² +141% | 2013 |
|---|
| 66, Dean Street559 m away | 36 m² | 74 m² | +38 m² +106% | 2013 |
|---|
| 18, St Bedes Avenue851 m away | 185 m² | 223 m² | +38 m² +21% | 2013 |
|---|
| 89, Horncliffe Road547 m away | 76 m² | 113 m² | +37 m² +49% | 2021 |
|---|
| 417, Lytham Road160 m away | 77 m² | 114 m² | +37 m² +48% | 2013 |
|---|
| 28, Broadway410 m away | 50 m² | 87 m² | +37 m² +74% | 2013 |
|---|
| 65, Orchard Avenue980 m away | 61 m² | 98 m² | +37 m² +61% | 2012 |
|---|
| 6 - 8, Greystoke Place993 m away | 51 m² | 87 m² | +36 m² +71% | 2021 |
|---|
| Flat 2, Salthouses, Osborne Road303 m away | 36 m² | 72 m² | +36 m² +100% | 2018 |
|---|
| 307, St Annes Road938 m away | 122 m² | 158 m² | +36 m² +30% | 2014 |
|---|
| 60, Marsden Road941 m away | 89 m² | 125 m² | +36 m² +40% | 2014 |
|---|
| Flat 1, 2, Boscombe Road603 m away | 25 m² | 61 m² | +36 m² +144% | 2013 |
|---|
| 9, St Bedes Avenue851 m away | 216 m² | 251 m² | +35 m² +16% | 2025 |
|---|
| 31, Wetherby Avenue995 m away | 118 m² | 153 m² | +35 m² +30% | 2023 |
|---|
| 10, Fenber Avenue476 m away | 138 m² | 173 m² | +35 m² +25% | 2014 |
|---|
| 10, Wolsley Road929 m away | 130 m² | 165 m² | +35 m² +27% | 2010 |
|---|
| 94, Broadway410 m away | 102 m² | 136 m² | +34 m² +33% | 2024 |
|---|
| 1, Marsden Road972 m away | 73 m² | 107 m² | +34 m² +47% | 2024 |
|---|
| 104, Bond Street433 m away | 159 m² | 193 m² | +34 m² +21% | 2019 |
|---|
| 12, Coniston Road285 m away | 119 m² | 152 m² | +33 m² +28% | 2023 |
|---|
| 4, Worsley Avenue409 m away | 113 m² | 146 m² | +33 m² +29% | 2022 |
|---|
| Flat 3, St. Andrews Court, 64, Clifton Drive770 m away | 63 m² | 96 m² | +33 m² +52% | 2021 |
|---|
| 435, Lytham Road160 m away | 79 m² | 112 m² | +33 m² +42% | 2015 |
|---|
| 21, Horncliffe Road481 m away | 35 m² | 67 m² | +32 m² +91% | 2017 |
|---|
| 3, Seabourne Avenue134 m away | 97 m² | 129 m² | +32 m² +33% | 2016 |
|---|
| 80, Watson Road314 m away | 176 m² | 208 m² | +32 m² +18% | 2016 |
|---|
| 46, Dean Street559 m away | 27 m² | 59 m² | +32 m² +119% | 2016 |
|---|
| 53, Bond Street641 m away | 53 m² | 85 m² | +32 m² +60% | 2016 |
|---|
| 78, Burlington Road367 m away | 53 m² | 85 m² | +32 m² +60% | 2014 |
|---|
| 217, St Annes Road735 m away | 138 m² | 169 m² | +31 m² +22% | 2023 |
|---|
| 26, Woodstock Gardens191 m away | 89 m² | 120 m² | +31 m² +35% | 2020 |
|---|
| 20, Knightsbridge Avenue977 m away | 84 m² | 115 m² | +31 m² +37% | 2014 |
|---|
| 59, The Crescent146 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
|---|
| 18, Burlington Road367 m away | 151 m² | 181 m² | +30 m² +20% | 2020 |
|---|
| 31, Harcourt Road879 m away | 76 m² | 106 m² | +30 m² +39% | 2020 |
|---|
| 53a, Highfield Road768 m away | 81 m² | 111 m² | +30 m² +37% | 2018 |
|---|
| 37, Woodstock Gardens217 m away | 136 m² | 166 m² | +30 m² +22% | 2016 |
|---|
| 6, Thursby Avenue894 m away | 120 m² | 150 m² | +30 m² +25% | 2016 |
|---|
| 3, Horncliffe Road481 m away | 53 m² | 83 m² | +30 m² +57% | 2014 |
|---|
| 61, St Martins Road613 m away | 114 m² | 144 m² | +30 m² +26% | 2014 |
|---|
| 32, Broadway410 m away | 24 m² | 54 m² | +30 m² +125% | 2013 |
|---|
| 19, St Lukes Road567 m away | 131 m² | 161 m² | +30 m² +23% | 2013 |
|---|
| 19, Bright Street633 m away | 36 m² | 66 m² | +30 m² +83% | 2013 |
|---|
| 380, Lytham Road630 m away | 37 m² | 67 m² | +30 m² +81% | 2008 |
|---|
| 94, St Lukes Road796 m away | 107 m² | 136 m² | +29 m² +27% | 2024 |
|---|
| 75, Withnell Road378 m away | 32 m² | 61 m² | +29 m² +91% | 2020 |
|---|
| 20, Balmoral Road335 m away | 21 m² | 50 m² | +29 m² +138% | 2014 |
|---|
| 14, Shaw Road967 m away | 167 m² | 196 m² | +29 m² +17% | 2013 |
|---|
| 16, St Annes Road988 m away | 84 m² | 113 m² | +29 m² +35% | 2013 |
|---|
| 31, Kenilworth Gardens253 m away | 127 m² | 155 m² | +28 m² +22% | 2026 |
|---|
| 75, Rosebery Avenue419 m away | 112 m² | 140 m² | +28 m² +25% | 2024 |
|---|
| 53, Harrington Avenue951 m away | 101 m² | 129 m² | +28 m² +28% | 2016 |
|---|
| 37, Burlington Road339 m away | 40 m² | 68 m² | +28 m² +70% | 2011 |
|---|
| 10 - 12, Bright Street633 m away | 41 m² | 69 m² | +28 m² +68% | 2009 |
|---|
| 53, St Annes Court932 m away | 37 m² | 64 m² | +27 m² +73% | 2023 |
|---|
| 117, Highfield Road811 m away | 65 m² | 92 m² | +27 m² +42% | 2021 |
|---|
| 32 - 38, Bond Street753 m away | 44 m² | 71 m² | +27 m² +61% | 2017 |
|---|
| 7, Fenber Avenue476 m away | 98 m² | 125 m² | +27 m² +28% | 2016 |
|---|
| 15, Babbacombe Avenue663 m away | 84 m² | 111 m² | +27 m² +32% | 2015 |
|---|
| 542, Lytham Road619 m away | 43 m² | 70 m² | +27 m² +63% | 2014 |
|---|
| 1, Eastbourne Road492 m away | 100 m² | 127 m² | +27 m² +27% | 2013 |
|---|
| 23, Coniston Road285 m away | 145 m² | 171 m² | +26 m² +18% | 2025 |
|---|
| 57, Harrington Avenue951 m away | 99 m² | 125 m² | +26 m² +26% | 2025 |
|---|
| 143, Highfield Road954 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
|---|
| Flat 4, Springdale Court, 25, Boscombe Road603 m away | 73 m² | 99 m² | +26 m² +36% | 2023 |
|---|
| 14, St Martins Road638 m away | 103 m² | 129 m² | +26 m² +25% | 2019 |
|---|
| 6, Wycombe Avenue636 m away | 76 m² | 102 m² | +26 m² +34% | 2016 |
|---|
| Flat 3, 3, Boscombe Road603 m away | 36 m² | 62 m² | +26 m² +72% | 2015 |
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| 28, Rosebery Avenue445 m away | 151 m² | 177 m² | +26 m² +17% | 2014 |
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| 11, Harrington Avenue951 m away | 102 m² | 128 m² | +26 m² +25% | 2014 |
|---|
| 66, Burlington Road367 m away | 132 m² | 158 m² | +26 m² +20% | 2012 |
|---|
| 89, Withnell Road378 m away | 42 m² | 68 m² | +26 m² +62% | 2011 |
|---|
| 56, Station Road468 m away | 34 m² | 60 m² | +26 m² +76% | 2011 |
|---|
| 43, Stamford Avenue671 m away | 82 m² | 107 m² | +25 m² +30% | 2014 |
|---|
| 64, Shaw Road967 m away | 37 m² | 62 m² | +25 m² +68% | 2013 |
|---|
| 15, Station Road476 m away | 38 m² | 63 m² | +25 m² +66% | 2010 |
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| 15, Garden Terrace785 m away | 110 m² | 134 m² | +24 m² +22% | 2020 |
|---|
| 39, Silverwood Avenue951 m away | 59 m² | 83 m² | +24 m² +41% | 2019 |
|---|
| 55, Withnell Road378 m away | 43 m² | 67 m² | +24 m² +56% | 2017 |
|---|
| 15, Arnold Avenue484 m away | 144 m² | 168 m² | +24 m² +17% | 2014 |
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| 24, Lynton Avenue853 m away | 80 m² | 104 m² | +24 m² +30% | 2014 |
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| 13, Sandhills Avenue881 m away | 98 m² | 122 m² | +24 m² +24% | 2014 |
|---|
| 27, Silverwood Avenue951 m away | 86 m² | 110 m² | +24 m² +28% | 2014 |
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| 2a, Castlegate952 m away | 83 m² | 107 m² | +24 m² +29% | 2014 |
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| 33a, Burlington Road339 m away | 74 m² | 98 m² | +24 m² +32% | 2013 |
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| Flat 1, 23, Horncliffe Road481 m away | 26 m² | 50 m² | +24 m² +92% | 2009 |
|---|
| 18, Chiltern Avenue832 m away | 91 m² | 114 m² | +23 m² +25% | 2022 |
|---|
| 235, St Annes Road735 m away | 109 m² | 132 m² | +23 m² +21% | 2020 |
|---|
| 48, Loftos Avenue991 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
|---|
| 46, Loftos Avenue991 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
|---|
| 364, Lytham Road630 m away | 20 m² | 43 m² | +23 m² +115% | 2008 |
|---|
| 19, Bamton Avenue563 m away | 104 m² | 126 m² | +22 m² +21% | 2023 |
|---|
| 31, Lynton Avenue853 m away | 64 m² | 86 m² | +22 m² +34% | 2023 |
|---|
| 66, Withnell Road378 m away | 36 m² | 58 m² | +22 m² +61% | 2017 |
|---|
| 20, Everton Road824 m away | 67 m² | 89 m² | +22 m² +33% | 2016 |
|---|
| 1, Chiltern Avenue832 m away | 127 m² | 149 m² | +22 m² +17% | 2015 |
|---|
| 34, St James Road481 m away | 94 m² | 116 m² | +22 m² +23% | 2014 |
|---|
| Flat 7, 148, Bond Street287 m away | 61 m² | 83 m² | +22 m² +36% | 2013 |
|---|
| 42, Station Road468 m away | 34 m² | 56 m² | +22 m² +65% | 2013 |
|---|
| 11, Nateby Court, Clifton Drive637 m away | 51 m² | 73 m² | +22 m² +43% | 2013 |
|---|
| 26, St Annes Road988 m away | 138 m² | 160 m² | +22 m² +16% | 2013 |
|---|
| 12, Trent Road76 m away | 55 m² | 76 m² | +21 m² +38% | 2026 |
|---|
| 4, Thursby Avenue894 m away | 113 m² | 134 m² | +21 m² +19% | 2026 |
|---|
| 22, Bournemouth Road650 m away | 102 m² | 123 m² | +21 m² +21% | 2025 |
|---|
| 19, Ullswater Road316 m away | 118 m² | 139 m² | +21 m² +18% | 2024 |
|---|
| 19, Westbourne Avenue986 m away | 123 m² | 144 m² | +21 m² +17% | 2024 |
|---|
| 8, Sandhills Avenue881 m away | 94 m² | 115 m² | +21 m² +22% | 2021 |
|---|
| 25, Station Road476 m away | 39 m² | 60 m² | +21 m² +54% | 2019 |
|---|
| 24, Severn Road51 m away | 62 m² | 83 m² | +21 m² +34% | 2018 |
|---|
| 23, Lodore Road711 m away | 63 m² | 84 m² | +21 m² +33% | 2016 |
|---|
| 18, Rosebery Avenue445 m away | 131 m² | 152 m² | +21 m² +16% | 2015 |
|---|
| 21, Shaw Road938 m away | 17 m² | 38 m² | +21 m² +124% | 2015 |
|---|
| 27, The Crescent146 m away | 105 m² | 126 m² | +21 m² +20% | 2014 |
|---|
| 2, Miller Street899 m away | 39 m² | 60 m² | +21 m² +54% | 2014 |
|---|
| Flat 3, 49, Napier Avenue759 m away | 41 m² | 62 m² | +21 m² +51% | 2012 |
|---|
| Flat 1, 94, Withnell Road378 m away | 31 m² | 51 m² | +20 m² +65% | 2024 |
|---|
| 23, St Lukes Road567 m away | 106 m² | 126 m² | +20 m² +19% | 2024 |
|---|
| 147, Marton Drive796 m away | 91 m² | 111 m² | +20 m² +22% | 2023 |
|---|
| 149, Highfield Road954 m away | 98 m² | 118 m² | +20 m² +20% | 2021 |
|---|
| 6, Jesmond Avenue103 m away | 63 m² | 83 m² | +20 m² +32% | 2019 |
|---|
| 20, Worsley Avenue409 m away | 106 m² | 126 m² | +20 m² +19% | 2017 |
|---|
| 36, The Crescent146 m away | 97 m² | 117 m² | +20 m² +21% | 2016 |
|---|
| 48, Beverley Grove639 m away | 85 m² | 105 m² | +20 m² +24% | 2016 |
|---|
| 2, Rangeway Avenue423 m away | 91 m² | 111 m² | +20 m² +22% | 2015 |
|---|
| 12, Burlington Road367 m away | 43 m² | 63 m² | +20 m² +47% | 2014 |
|---|
| 2, St Lukes Road598 m away | 115 m² | 135 m² | +20 m² +17% | 2014 |
|---|
| 11, Garden Terrace785 m away | 128 m² | 148 m² | +20 m² +16% | 2014 |
|---|
| 14, Bagot Street888 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
|---|
| 136 - 138, Bond Street287 m away | 52 m² | 72 m² | +20 m² +38% | 2013 |
|---|
| 6, Moore Street759 m away | 20 m² | 40 m² | +20 m² +100% | 2012 |
|---|
| 16, Osborne Road377 m away | 18 m² | 38 m² | +20 m² +111% | 2011 |
|---|
| 294, Lytham Road892 m away | 35 m² | 55 m² | +20 m² +57% | 2008 |
|---|
| 61, Highfield Road811 m away | 87 m² | 106 m² | +19 m² +22% | 2021 |
|---|
| 8, Horncliffe Road518 m away | 16 m² | 35 m² | +19 m² +119% | 2019 |
|---|
| 112, Bolton Street888 m away | 80 m² | 99 m² | +19 m² +24% | 2017 |
|---|
| 37, Osborne Road349 m away | 23 m² | 42 m² | +19 m² +83% | 2016 |
|---|
| 209 - 211, St Annes Road735 m away | 39 m² | 58 m² | +19 m² +49% | 2015 |
|---|
| 5, Burlington Court, Burlington Road317 m away | 17 m² | 36 m² | +19 m² +112% | 2014 |
|---|
| 50, Rosebery Avenue445 m away | 92 m² | 111 m² | +19 m² +21% | 2014 |
|---|