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 3EE
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 Lane336 m away | 115 m² | 278 m² | +163 m² +142% | 2013 |
| 174, St Annes Road326 m away | 144 m² | 297 m² | +153 m² +106% | 2022 |
| 132, Waterloo Road888 m away | 165 m² | 259 m² | +94 m² +57% | 2016 |
| 60, Crossland Road708 m away | 87 m² | 177 m² | +90 m² +103% | 2015 |
| 362, Central Drive925 m away | 140 m² | 227 m² | +87 m² +62% | 2016 |
| 3, Arlington Avenue949 m away | 63 m² | 137 m² | +74 m² +117% | 2022 |
| 57, Morley Road692 m away | 123 m² | 194 m² | +71 m² +58% | 2016 |
| 2, Windermere Road759 m away | 201 m² | 272 m² | +71 m² +35% | 2013 |
| 455, Lytham Road957 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.
| 200 m² |
| +69 m² +53% |
| 2025 |
| 16, Brook Street705 m away | 68 m² | 134 m² | +66 m² +97% | 2015 |
|---|
| 11, Hall Avenue708 m away | 169 m² | 234 m² | +65 m² +38% | 2016 |
|---|
| 105, Hemingway459 m away | 75 m² | 140 m² | +65 m² +87% | 2013 |
|---|
| 20, Eccleston Road790 m away | 110 m² | 168 m² | +58 m² +53% | 2016 |
|---|
| 329, St Annes Road628 m away | 90 m² | 147 m² | +57 m² +63% | 2014 |
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| 3, Mersey Road929 m away | 157 m² | 214 m² | +57 m² +36% | 2014 |
|---|
| 297, Hawes Side Lane479 m away | 116 m² | 172 m² | +56 m² +48% | 2023 |
|---|
| 8, Brook Street705 m away | 81 m² | 137 m² | +56 m² +69% | 2017 |
|---|
| 3, Princeway709 m away | 116 m² | 172 m² | +56 m² +48% | 2014 |
|---|
| 62, Endsleigh Gardens852 m away | 66 m² | 121 m² | +55 m² +83% | 2016 |
|---|
| 21, Windermere Road759 m away | 236 m² | 291 m² | +55 m² +23% | 2014 |
|---|
| 8, Macauley Avenue567 m away | 66 m² | 120 m² | +54 m² +82% | 2023 |
|---|
| 44, Eccleston Road790 m away | 68 m² | 122 m² | +54 m² +79% | 2021 |
|---|
| 46, Acre Gate543 m away | 87 m² | 141 m² | +54 m² +62% | 2015 |
|---|
| 46, Harcourt Road265 m away | 84 m² | 137 m² | +53 m² +63% | 2024 |
|---|
| 76, Dunelt Road868 m away | 106 m² | 157 m² | +51 m² +48% | 2021 |
|---|
| 222, Watson Road0 m away | 60 m² | 109 m² | +49 m² +82% | 2015 |
|---|
| 5, Arlington Avenue949 m away | 100 m² | 148 m² | +48 m² +48% | 2014 |
|---|
| 258, Watson Road295 m away | 64 m² | 112 m² | +48 m² +75% | 2013 |
|---|
| 8, Exeter Street601 m away | 79 m² | 126 m² | +47 m² +59% | 2020 |
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| 26, Crossland Road708 m away | 70 m² | 117 m² | +47 m² +67% | 2016 |
|---|
| 47, Threlfall Road853 m away | 110 m² | 156 m² | +46 m² +42% | 2023 |
|---|
| 23, Broadway663 m away | 173 m² | 219 m² | +46 m² +27% | 2016 |
|---|
| 51, Hodder Avenue921 m away | 72 m² | 118 m² | +46 m² +64% | 2016 |
|---|
| 34, Kingsmede986 m away | 72 m² | 118 m² | +46 m² +64% | 2016 |
|---|
| 4, Rectory Road896 m away | 91 m² | 137 m² | +46 m² +51% | 2015 |
|---|
| 29, Lindale Gardens964 m away | 70 m² | 116 m² | +46 m² +66% | 2014 |
|---|
| 5, Keasden Avenue509 m away | 77 m² | 122 m² | +45 m² +58% | 2025 |
|---|
| 15, Westfield Road863 m away | 62 m² | 107 m² | +45 m² +73% | 2023 |
|---|
| 17, Wharfedale826 m away | 69 m² | 114 m² | +45 m² +65% | 2017 |
|---|
| 8, Dewhurst Avenue266 m away | 81 m² | 126 m² | +45 m² +56% | 2016 |
|---|
| 4, Thirlmere Road645 m away | 83 m² | 127 m² | +44 m² +53% | 2021 |
|---|
| 56, Marton Drive496 m away | 67 m² | 110 m² | +43 m² +64% | 2025 |
|---|
| 21, St Martins Road910 m away | 53 m² | 96 m² | +43 m² +81% | 2020 |
|---|
| 6, Seventh Avenue672 m away | 219 m² | 261 m² | +42 m² +19% | 2015 |
|---|
| 24, Lunedale Avenue876 m away | 80 m² | 122 m² | +42 m² +53% | 2014 |
|---|
| 2, Colwyn Avenue883 m away | 81 m² | 122 m² | +41 m² +51% | 2014 |
|---|
| 242, Waterloo Road730 m away | 35 m² | 75 m² | +40 m² +114% | 2023 |
|---|
| 215, Hawes Side Lane355 m away | 109 m² | 149 m² | +40 m² +37% | 2013 |
|---|
| 36, Keasden Avenue503 m away | 74 m² | 114 m² | +40 m² +54% | 2013 |
|---|
| 89, Ellesmere Road506 m away | 35 m² | 75 m² | +40 m² +114% | 2013 |
|---|
| 33, Macauley Avenue567 m away | 66 m² | 106 m² | +40 m² +61% | 2013 |
|---|
| 22, Eccleston Road790 m away | 70 m² | 110 m² | +40 m² +57% | 2010 |
|---|
| 33, Harcourt Road292 m away | 65 m² | 104 m² | +39 m² +60% | 2016 |
|---|
| 44, Henson Avenue959 m away | 67 m² | 106 m² | +39 m² +58% | 2015 |
|---|
| 13, Lindale Gardens964 m away | 69 m² | 108 m² | +39 m² +57% | 2015 |
|---|
| 27, Crossland Road708 m away | 26 m² | 64 m² | +38 m² +146% | 2020 |
|---|
| 38, Tranmere Road506 m away | 73 m² | 111 m² | +38 m² +52% | 2013 |
|---|
| 34, Broadway674 m away | 27 m² | 65 m² | +38 m² +141% | 2013 |
|---|
| 69, Pedders Lane267 m away | 153 m² | 190 m² | +37 m² +24% | 2016 |
|---|
| 28, Broadway674 m away | 50 m² | 87 m² | +37 m² +74% | 2013 |
|---|
| 417, Lytham Road917 m away | 77 m² | 114 m² | +37 m² +48% | 2013 |
|---|
| 56, Pedders Lane267 m away | 123 m² | 159 m² | +36 m² +29% | 2026 |
|---|
| 8, Hawes Side Lane634 m away | 60 m² | 96 m² | +36 m² +60% | 2023 |
|---|
| Flat 2, Salthouses, Osborne Road982 m away | 36 m² | 72 m² | +36 m² +100% | 2018 |
|---|
| 60, Marsden Road363 m away | 89 m² | 125 m² | +36 m² +40% | 2014 |
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| 307, St Annes Road628 m away | 122 m² | 158 m² | +36 m² +30% | 2014 |
|---|
| 62, Loftos Avenue211 m away | 91 m² | 127 m² | +36 m² +40% | 2013 |
|---|
| 27, Primrose Avenue984 m away | 89 m² | 124 m² | +35 m² +39% | 2024 |
|---|
| 10, Fenber Avenue565 m away | 138 m² | 173 m² | +35 m² +25% | 2014 |
|---|
| 20, Daggers Hall Lane726 m away | 79 m² | 114 m² | +35 m² +44% | 2014 |
|---|
| 19, Lindale Gardens964 m away | 77 m² | 112 m² | +35 m² +45% | 2014 |
|---|
| 1, Marsden Road382 m away | 73 m² | 107 m² | +34 m² +47% | 2024 |
|---|
| 94, Broadway674 m away | 102 m² | 136 m² | +34 m² +33% | 2024 |
|---|
| 18, Threlfall Road852 m away | 72 m² | 106 m² | +34 m² +47% | 2024 |
|---|
| 3, Watson Mews, Watson Road0 m away | 72 m² | 106 m² | +34 m² +47% | 2023 |
|---|
| 12, Coniston Road755 m away | 119 m² | 152 m² | +33 m² +28% | 2023 |
|---|
| 4, Worsley Avenue635 m away | 113 m² | 146 m² | +33 m² +29% | 2022 |
|---|
| 7, Taunton Street558 m away | 58 m² | 91 m² | +33 m² +57% | 2016 |
|---|
| 435, Lytham Road917 m away | 79 m² | 112 m² | +33 m² +42% | 2015 |
|---|
| 2a, Johnsville Avenue573 m away | 63 m² | 96 m² | +33 m² +52% | 2013 |
|---|
| 52, Harris Avenue875 m away | 74 m² | 106 m² | +32 m² +43% | 2025 |
|---|
| 80, Watson Road712 m away | 176 m² | 208 m² | +32 m² +18% | 2016 |
|---|
| 26, Sowerby Avenue133 m away | 38 m² | 70 m² | +32 m² +84% | 2015 |
|---|
| 217, St Annes Road326 m away | 138 m² | 169 m² | +31 m² +22% | 2023 |
|---|
| 116, Powell Avenue215 m away | 68 m² | 99 m² | +31 m² +46% | 2016 |
|---|
| 20, Knightsbridge Avenue726 m away | 84 m² | 115 m² | +31 m² +37% | 2014 |
|---|
| 31, Harcourt Road292 m away | 76 m² | 106 m² | +30 m² +39% | 2020 |
|---|
| 14, Marcroft Avenue379 m away | 81 m² | 111 m² | +30 m² +37% | 2016 |
|---|
| 4, Winchester Avenue641 m away | 61 m² | 91 m² | +30 m² +49% | 2016 |
|---|
| 6, Thursby Avenue788 m away | 120 m² | 150 m² | +30 m² +25% | 2016 |
|---|
| 71, Powell Avenue261 m away | 74 m² | 104 m² | +30 m² +41% | 2014 |
|---|
| 61, St Martins Road910 m away | 114 m² | 144 m² | +30 m² +26% | 2014 |
|---|
| 19, Sowerby Avenue133 m away | 68 m² | 98 m² | +30 m² +44% | 2013 |
|---|
| 32, Broadway674 m away | 24 m² | 54 m² | +30 m² +125% | 2013 |
|---|
| 19, St Lukes Road858 m away | 131 m² | 161 m² | +30 m² +23% | 2013 |
|---|
| 59, Chislehurst Avenue583 m away | 38 m² | 68 m² | +30 m² +79% | 2012 |
|---|
| 380, Lytham Road965 m away | 37 m² | 67 m² | +30 m² +81% | 2008 |
|---|
| 94, St Lukes Road646 m away | 107 m² | 136 m² | +29 m² +27% | 2024 |
|---|
| 183, Ansdell Road837 m away | 124 m² | 153 m² | +29 m² +23% | 2024 |
|---|
| 21, Wood Park Road876 m away | 59 m² | 88 m² | +29 m² +49% | 2020 |
|---|
| 43, Rectory Road859 m away | 94 m² | 123 m² | +29 m² +31% | 2017 |
|---|
| 2, Glencross Place490 m away | 78 m² | 107 m² | +29 m² +37% | 2013 |
|---|
| 35, Hawes Side Lane667 m away | 71 m² | 100 m² | +29 m² +41% | 2013 |
|---|
| 16, St Annes Road733 m away | 84 m² | 113 m² | +29 m² +35% | 2013 |
|---|
| 8, Wyndham Gardens786 m away | 57 m² | 85 m² | +28 m² +49% | 2024 |
|---|
| 6, Kingsmede986 m away | 44 m² | 72 m² | +28 m² +64% | 2016 |
|---|
| 1, Fernhurst Avenue549 m away | 38 m² | 66 m² | +28 m² +74% | 2014 |
|---|
| 12, Winchester Avenue641 m away | 100 m² | 128 m² | +28 m² +28% | 2014 |
|---|
| 123, Vicarage Lane769 m away | 60 m² | 88 m² | +28 m² +47% | 2014 |
|---|
| 29, Threlfall Road853 m away | 46 m² | 74 m² | +28 m² +61% | 2014 |
|---|
| 316, Waterloo Road859 m away | 48 m² | 75 m² | +27 m² +56% | 2025 |
|---|
| 53, St Annes Court709 m away | 37 m² | 64 m² | +27 m² +73% | 2023 |
|---|
| 34, Johnsville Avenue573 m away | 84 m² | 111 m² | +27 m² +32% | 2021 |
|---|
| 274, St Annes Road807 m away | 43 m² | 70 m² | +27 m² +63% | 2018 |
|---|
| 7, Fenber Avenue565 m away | 98 m² | 125 m² | +27 m² +28% | 2016 |
|---|
| 124a, Ansdell Road984 m away | 89 m² | 116 m² | +27 m² +30% | 2016 |
|---|
| 4, Hall Avenue708 m away | 120 m² | 147 m² | +27 m² +23% | 2014 |
|---|
| 9, Regal Avenue987 m away | 72 m² | 99 m² | +27 m² +38% | 2014 |
|---|
| 18, Brun Grove922 m away | 62 m² | 88 m² | +26 m² +42% | 2026 |
|---|
| 23, Coniston Road755 m away | 145 m² | 171 m² | +26 m² +18% | 2025 |
|---|
| 143, Highfield Road832 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
|---|
| 103, Dunelt Road782 m away | 67 m² | 93 m² | +26 m² +39% | 2021 |
|---|
| 149, Watson Road42 m away | 75 m² | 101 m² | +26 m² +35% | 2020 |
|---|
| 19, Henson Avenue945 m away | 50 m² | 76 m² | +26 m² +52% | 2020 |
|---|
| Flat 11, Manor Court, 76 - 78, Hawes Side Lane567 m away | 27 m² | 53 m² | +26 m² +96% | 2019 |
|---|
| 14, St Martins Road935 m away | 103 m² | 129 m² | +26 m² +25% | 2019 |
|---|
| 27, Westfield Road863 m away | 98 m² | 124 m² | +26 m² +27% | 2014 |
|---|
| 49, Hodder Avenue921 m away | 66 m² | 92 m² | +26 m² +39% | 2014 |
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| 24, Acton Road738 m away | 85 m² | 111 m² | +26 m² +31% | 2013 |
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| 190, Waterloo Road764 m away | 79 m² | 105 m² | +26 m² +33% | 2011 |
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| 20, Stanmore Avenue909 m away | 35 m² | 60 m² | +25 m² +71% | 2023 |
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| 110, Marsden Road392 m away | 61 m² | 86 m² | +25 m² +41% | 2016 |
|---|
| 6, Macauley Avenue567 m away | 61 m² | 86 m² | +25 m² +41% | 2016 |
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| 243, Highfield Road710 m away | 72 m² | 97 m² | +25 m² +35% | 2016 |
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| 4, Arnside Avenue955 m away | 104 m² | 129 m² | +25 m² +24% | 2016 |
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| 43, Stamford Avenue394 m away | 82 m² | 107 m² | +25 m² +30% | 2014 |
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| 14, Lennox Gate458 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
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| 6, Brun Grove922 m away | 71 m² | 96 m² | +25 m² +35% | 2014 |
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| 16, Eaton Avenue936 m away | 107 m² | 132 m² | +25 m² +23% | 2014 |
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| 4, Rough Heys Lane663 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| 77, Harcourt Road296 m away | 62 m² | 86 m² | +24 m² +39% | 2019 |
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| 39, Silverwood Avenue517 m away | 59 m² | 83 m² | +24 m² +41% | 2019 |
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| 326, Highfield Road718 m away | 79 m² | 103 m² | +24 m² +30% | 2019 |
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| 41, Crossland Road708 m away | 80 m² | 104 m² | +24 m² +30% | 2016 |
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| 64, Hodder Avenue921 m away | 72 m² | 96 m² | +24 m² +33% | 2016 |
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| 30, Johnsville Avenue573 m away | 75 m² | 99 m² | +24 m² +32% | 2015 |
|---|
| 24, Lynton Avenue285 m away | 80 m² | 104 m² | +24 m² +30% | 2014 |
|---|
| 55, Marton Drive496 m away | 58 m² | 82 m² | +24 m² +41% | 2014 |
|---|
| 27, Silverwood Avenue517 m away | 86 m² | 110 m² | +24 m² +28% | 2014 |
|---|
| 36, Chislehurst Avenue592 m away | 129 m² | 153 m² | +24 m² +19% | 2014 |
|---|
| 15, Arnold Avenue722 m away | 144 m² | 168 m² | +24 m² +17% | 2014 |
|---|
| 20, Starbeck Avenue483 m away | 84 m² | 108 m² | +24 m² +29% | 2013 |
|---|
| 12, Emerson Avenue516 m away | 72 m² | 95 m² | +23 m² +32% | 2023 |
|---|
| 18, Chiltern Avenue219 m away | 91 m² | 114 m² | +23 m² +25% | 2022 |
|---|
| 231, Waterloo Road730 m away | 126 m² | 149 m² | +23 m² +18% | 2022 |
|---|
| 235, St Annes Road326 m away | 109 m² | 132 m² | +23 m² +21% | 2020 |
|---|
| 48, Loftos Avenue115 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
|---|
| 46, Loftos Avenue115 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
|---|
| 33, Rectory Road859 m away | 97 m² | 120 m² | +23 m² +24% | 2015 |
|---|
| 2, Swindon Avenue314 m away | 65 m² | 88 m² | +23 m² +35% | 2013 |
|---|
| 353, Highfield Road916 m away | 91 m² | 114 m² | +23 m² +25% | 2013 |
|---|
| 106, Saville Road960 m away | 121 m² | 144 m² | +23 m² +19% | 2011 |
|---|
| 364, Lytham Road965 m away | 20 m² | 43 m² | +23 m² +115% | 2008 |
|---|
| 31, Lynton Avenue285 m away | 64 m² | 86 m² | +22 m² +34% | 2023 |
|---|
| 19, Bamton Avenue475 m away | 104 m² | 126 m² | +22 m² +21% | 2023 |
|---|
| 102, Boston Way755 m away | 24 m² | 46 m² | +22 m² +92% | 2023 |
|---|
| 23, Chislehurst Avenue622 m away | 100 m² | 122 m² | +22 m² +22% | 2022 |
|---|
| 12, Stretton Avenue587 m away | 81 m² | 103 m² | +22 m² +27% | 2018 |
|---|
| 15, Stretton Avenue587 m away | 81 m² | 103 m² | +22 m² +27% | 2018 |
|---|
| 7, Scott Close885 m away | 61 m² | 83 m² | +22 m² +36% | 2018 |
|---|
| 16, Chislehurst Avenue592 m away | 79 m² | 101 m² | +22 m² +28% | 2016 |
|---|
| 1, Chiltern Avenue219 m away | 127 m² | 149 m² | +22 m² +17% | 2015 |
|---|
| 15, Millington Avenue352 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
|---|
| 34, St James Road933 m away | 94 m² | 116 m² | +22 m² +23% | 2014 |
|---|
| 62, Ellesmere Road506 m away | 73 m² | 95 m² | +22 m² +30% | 2013 |
|---|
| 26, St Annes Road733 m away | 138 m² | 160 m² | +22 m² +16% | 2013 |
|---|
| 52, Kingsmede986 m away | 71 m² | 93 m² | +22 m² +31% | 2013 |
|---|
| 4, Thursby Avenue788 m away | 113 m² | 134 m² | +21 m² +19% | 2026 |
|---|
| 12, Trent Road953 m away | 55 m² | 76 m² | +21 m² +38% | 2026 |
|---|
| 19, Ullswater Road722 m away | 118 m² | 139 m² | +21 m² +18% | 2024 |
|---|
| 19, Westbourne Avenue995 m away | 123 m² | 144 m² | +21 m² +17% | 2024 |
|---|
| 23, Lodore Road946 m away | 63 m² | 84 m² | +21 m² +33% | 2016 |
|---|
| 104, Saville Road960 m away | 66 m² | 87 m² | +21 m² +32% | 2015 |
|---|
| 95, Saville Road973 m away | 57 m² | 78 m² | +21 m² +37% | 2014 |
|---|
| 185, Hawes Side Lane355 m away | 99 m² | 119 m² | +20 m² +20% | 2026 |
|---|
| 9, Starbeck Avenue483 m away | 60 m² | 80 m² | +20 m² +33% | 2025 |
|---|
| 13, Mirfield Grove569 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 23, St Lukes Road858 m away | 106 m² | 126 m² | +20 m² +19% | 2024 |
|---|
| 11, Branston Road934 m away | 100 m² | 120 m² | +20 m² +20% | 2024 |
|---|
| 147, Marton Drive253 m away | 91 m² | 111 m² | +20 m² +22% | 2023 |
|---|
| 149, Highfield Road832 m away | 98 m² | 118 m² | +20 m² +20% | 2021 |
|---|
| 20, Worsley Avenue635 m away | 106 m² | 126 m² | +20 m² +19% | 2017 |
|---|
| 16, Dewhurst Avenue266 m away | 113 m² | 133 m² | +20 m² +18% | 2016 |
|---|
| 48, Beverley Grove430 m away | 85 m² | 105 m² | +20 m² +24% | 2016 |
|---|
| 90, Hemingway459 m away | 62 m² | 82 m² | +20 m² +32% | 2016 |
|---|
| 46, Johnsville Avenue573 m away | 75 m² | 95 m² | +20 m² +27% | 2016 |
|---|
| 2, Rangeway Avenue615 m away | 91 m² | 111 m² | +20 m² +22% | 2015 |
|---|
| 8, Starbeck Avenue483 m away | 70 m² | 90 m² | +20 m² +29% | 2014 |
|---|
| 2, St Lukes Road882 m away | 115 m² | 135 m² | +20 m² +17% | 2014 |
|---|
| 22, Malvern Avenue973 m away | 67 m² | 87 m² | +20 m² +30% | 2014 |
|---|