Finding extended homes…
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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 FY7 8SB
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 |
|---|---|---|---|---|
| 44, Princes Way485 m away | 197 m² | 479 m² | +282 m² +143% | 2021 |
| 19, Lancaster Gate346 m away | 111 m² | 268 m² | +157 m² +141% | 2020 |
| 87, Chatsworth Avenue644 m away | 84 m² | 196 m² | +112 m² +133% | 2015 |
| 52, Coniston Avenue390 m away | 93 m² | 198 m² | +105 m² +113% | 2015 |
| 12, Seymour Street822 m away | 72 m² | 164 m² | +92 m² +128% | 2015 |
| 58, Rossall Grange Lane367 m away | 146 m² | 236 m² | +90 m² +62% | 2015 |
| 18, Kenilworth Avenue207 m away | 72 m² | 149 m² | +77 m² +107% | 2015 |
| 48, Borrowdale Avenue408 m away | 89 m² | 148 m² | +59 m² +66% | 2013 |
| 29, Addison Road998 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.
| 63 m² |
| 119 m² |
| +56 m² +89% |
| 2015 |
| 44, Whinfield Avenue715 m away | 68 m² | 123 m² | +55 m² +81% | 2015 |
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| 25, Calder Avenue430 m away | 73 m² | 128 m² | +55 m² +75% | 2014 |
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| 9, Macbeth Road752 m away | 96 m² | 149 m² | +53 m² +55% | 2015 |
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| 31, Mariners Close994 m away | 50 m² | 103 m² | +53 m² +106% | 2010 |
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| 7, Langwood625 m away | 50 m² | 102 m² | +52 m² +104% | 2014 |
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| 68, Addison Road916 m away | 73 m² | 124 m² | +51 m² +70% | 2015 |
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| 44, Broomfield Road707 m away | 68 m² | 116 m² | +48 m² +71% | 2016 |
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| 76, Manor Road614 m away | 46 m² | 93 m² | +47 m² +102% | 2025 |
|---|
| 20, Calder Avenue430 m away | 95 m² | 140 m² | +45 m² +47% | 2016 |
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| 16, Percy Street868 m away | 81 m² | 126 m² | +45 m² +56% | 2015 |
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| 63, Duddon Avenue893 m away | 57 m² | 102 m² | +45 m² +79% | 2014 |
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| 32, Beach Road206 m away | 51 m² | 95 m² | +44 m² +86% | 2023 |
|---|
| 1, Addison Road998 m away | 58 m² | 100 m² | +42 m² +72% | 2016 |
|---|
| 4, Fairfield Court793 m away | 68 m² | 107 m² | +39 m² +57% | 2014 |
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| 80, Addison Road882 m away | 65 m² | 103 m² | +38 m² +58% | 2016 |
|---|
| 14, Grange Road293 m away | 100 m² | 138 m² | +38 m² +38% | 2014 |
|---|
| 25, Addison Road998 m away | 65 m² | 102 m² | +37 m² +57% | 2016 |
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| 105, Princes Way948 m away | 167 m² | 203 m² | +36 m² +22% | 2025 |
|---|
| 146, Addison Road807 m away | 74 m² | 110 m² | +36 m² +49% | 2015 |
|---|
| 2, Langwood625 m away | 50 m² | 85 m² | +35 m² +70% | 2014 |
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| 40, Dronsfield Road703 m away | 120 m² | 154 m² | +34 m² +28% | 2025 |
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| 128, Shakespeare Road497 m away | 73 m² | 107 m² | +34 m² +47% | 2016 |
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| 83, Witton Avenue779 m away | 88 m² | 122 m² | +34 m² +39% | 2015 |
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| 20, Oak Street995 m away | 74 m² | 108 m² | +34 m² +46% | 2014 |
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| 9, Wolsley Road750 m away | 72 m² | 105 m² | +33 m² +46% | 2026 |
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| 12, Lowther Road916 m away | 109 m² | 142 m² | +33 m² +30% | 2025 |
|---|
| 53, Addison Road998 m away | 74 m² | 107 m² | +33 m² +45% | 2015 |
|---|
| 4, Langwood625 m away | 50 m² | 83 m² | +33 m² +66% | 2014 |
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| 2, Hollywood Grove706 m away | 95 m² | 128 m² | +33 m² +35% | 2014 |
|---|
| 101, Addison Road882 m away | 34 m² | 66 m² | +32 m² +94% | 2024 |
|---|
| 51, Kingfisher Way0 m away | 118 m² | 150 m² | +32 m² +27% | 2021 |
|---|
| 109, Heathfield Road821 m away | 47 m² | 78 m² | +31 m² +66% | 2024 |
|---|
| 8, Langwood625 m away | 50 m² | 81 m² | +31 m² +62% | 2020 |
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| 36, Cambridge Road311 m away | 79 m² | 110 m² | +31 m² +39% | 2018 |
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| 62, Princes Way633 m away | 107 m² | 138 m² | +31 m² +29% | 2016 |
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| 18, Belmont Road983 m away | 63 m² | 94 m² | +31 m² +49% | 2015 |
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| 2a, Lancaster Gate346 m away | 45 m² | 76 m² | +31 m² +69% | 2014 |
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| 10, Gordon Road844 m away | 81 m² | 111 m² | +30 m² +37% | 2017 |
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| 18, Devon Avenue268 m away | 85 m² | 115 m² | +30 m² +35% | 2016 |
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| 8, Grange Road293 m away | 95 m² | 125 m² | +30 m² +32% | 2016 |
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| 20, Princes Way680 m away | 179 m² | 208 m² | +29 m² +16% | 2024 |
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| 6, Wolsley Road750 m away | 79 m² | 108 m² | +29 m² +37% | 2024 |
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| 428, Fleetwood Road997 m away | 83 m² | 112 m² | +29 m² +35% | 2022 |
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| 74, Whinfield Avenue488 m away | 68 m² | 97 m² | +29 m² +43% | 2015 |
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| 69, Manor Road435 m away | 68 m² | 96 m² | +28 m² +41% | 2013 |
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| 2, Southwood Avenue432 m away | 70 m² | 97 m² | +27 m² +39% | 2024 |
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| 39, Lingfield Road742 m away | 70 m² | 97 m² | +27 m² +39% | 2016 |
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| 40, Waverley Avenue206 m away | 90 m² | 116 m² | +26 m² +29% | 2020 |
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| 180, Poulton Road728 m away | 102 m² | 128 m² | +26 m² +25% | 2017 |
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| 32, Lothian Avenue373 m away | 113 m² | 139 m² | +26 m² +23% | 2016 |
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| 1, Allen Close932 m away | 73 m² | 99 m² | +26 m² +36% | 2016 |
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| 45, Rossall Grange Lane383 m away | 110 m² | 135 m² | +25 m² +23% | 2024 |
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| 17, St John Avenue413 m away | 67 m² | 92 m² | +25 m² +37% | 2023 |
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| 32, Gordon Road844 m away | 71 m² | 96 m² | +25 m² +35% | 2021 |
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| 16, Douglas Place474 m away | 83 m² | 108 m² | +25 m² +30% | 2016 |
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| 10, Eamont Place712 m away | 75 m² | 100 m² | +25 m² +33% | 2014 |
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| 82, Duddon Avenue893 m away | 62 m² | 86 m² | +24 m² +39% | 2025 |
|---|
| 27, Leighton Avenue171 m away | 105 m² | 129 m² | +24 m² +23% | 2021 |
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| 5, Langwood625 m away | 50 m² | 74 m² | +24 m² +48% | 2018 |
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| 49, Westfield Avenue513 m away | 76 m² | 100 m² | +24 m² +32% | 2016 |
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| 61, Belmont Road983 m away | 75 m² | 99 m² | +24 m² +32% | 2016 |
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| 43, Mariners Close994 m away | 106 m² | 130 m² | +24 m² +23% | 2016 |
|---|
| 310, Poulton Road295 m away | 80 m² | 104 m² | +24 m² +30% | 2014 |
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| 67, Broadway248 m away | 96 m² | 120 m² | +24 m² +25% | 2013 |
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| 19, Hazeldene Road683 m away | 97 m² | 120 m² | +23 m² +24% | 2016 |
|---|
| 7, Gordon Road844 m away | 78 m² | 101 m² | +23 m² +29% | 2014 |
|---|
| 410, Fleetwood Road997 m away | 84 m² | 107 m² | +23 m² +27% | 2010 |
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| 91, Highbury Avenue534 m away | 65 m² | 87 m² | +22 m² +34% | 2025 |
|---|
| 1, Langwood625 m away | 50 m² | 72 m² | +22 m² +44% | 2021 |
|---|
| 93, Shakespeare Road466 m away | 85 m² | 107 m² | +22 m² +26% | 2016 |
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| 10, Belmont Road983 m away | 65 m² | 87 m² | +22 m² +34% | 2016 |
|---|
| 29, Arden Green634 m away | 87 m² | 109 m² | +22 m² +25% | 2014 |
|---|
| 18, Oak Street995 m away | 86 m² | 108 m² | +22 m² +26% | 2014 |
|---|
| 32, Grange Road293 m away | 39 m² | 61 m² | +22 m² +56% | 2013 |
|---|
| 24, Northfleet Avenue663 m away | 101 m² | 122 m² | +21 m² +21% | 2024 |
|---|
| 56, Grange Road414 m away | 61 m² | 82 m² | +21 m² +34% | 2020 |
|---|
| 82, Manor Road614 m away | 90 m² | 111 m² | +21 m² +23% | 2016 |
|---|
| 31, Whinfield Avenue715 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
|---|
| 31, Kingfisher Way0 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
|---|
| 354, Radcliffe Road979 m away | 104 m² | 124 m² | +20 m² +19% | 2022 |
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| 11, Lonsdale Crescent155 m away | 68 m² | 88 m² | +20 m² +29% | 2020 |
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| 51, Cambridge Road311 m away | 66 m² | 86 m² | +20 m² +30% | 2019 |
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| 49, Princes Way633 m away | 75 m² | 95 m² | +20 m² +27% | 2019 |
|---|
| 1, York Avenue121 m away | 125 m² | 145 m² | +20 m² +16% | 2015 |
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| 2, Kenilworth Avenue207 m away | 129 m² | 149 m² | +20 m² +16% | 2015 |
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| 6, Shap Court961 m away | 57 m² | 77 m² | +20 m² +35% | 2015 |
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| 6, Langwood625 m away | 50 m² | 70 m² | +20 m² +40% | 2014 |
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| 29, Warren Avenue South850 m away | 88 m² | 108 m² | +20 m² +23% | 2014 |
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| 67a, Broadway248 m away | 70 m² | 90 m² | +20 m² +29% | 2013 |
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| 5, West Gate416 m away | 118 m² | 138 m² | +20 m² +17% | 2013 |
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| 424, Fleetwood Road997 m away | 79 m² | 98 m² | +19 m² +24% | 2022 |
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| 157, Poulton Road814 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
|---|
| 32, Oak Street995 m away | 104 m² | 122 m² | +18 m² +17% | 2023 |
|---|
| 4, Kingfisher Way0 m away | 65 m² | 83 m² | +18 m² +28% | 2016 |
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| 126, Addison Road807 m away | 63 m² | 81 m² | +18 m² +29% | 2016 |
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| 10, Macbeth Road752 m away | 83 m² | 101 m² | +18 m² +22% | 2015 |
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| 23a, Shakespeare Road653 m away | 39 m² | 56 m² | +17 m² +44% | 2025 |
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| 20, Kingfisher Way0 m away | 99 m² | 116 m² | +17 m² +17% | 2024 |
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| 31, Navena Avenue628 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
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| Flat 27, Wyredale Court, Harrow Avenue509 m away | 52 m² | 69 m² | +17 m² +33% | 2021 |
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| 110, Addison Road882 m away | 67 m² | 84 m² | +17 m² +25% | 2021 |
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| 28, Orchard Drive922 m away | 62 m² | 79 m² | +17 m² +27% | 2021 |
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| 10, Leven Avenue481 m away | 92 m² | 109 m² | +17 m² +18% | 2016 |
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| 69, Chatsworth Avenue644 m away | 91 m² | 108 m² | +17 m² +19% | 2016 |
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| 14, Whinfield Avenue715 m away | 79 m² | 96 m² | +17 m² +22% | 2016 |
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| 26, Homestead Way922 m away | 79 m² | 96 m² | +17 m² +22% | 2016 |
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| 22, Belmont Road983 m away | 72 m² | 89 m² | +17 m² +24% | 2016 |
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| 49, Belmont Road983 m away | 85 m² | 102 m² | +17 m² +20% | 2016 |
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| 3, Wensley Avenue857 m away | 91 m² | 108 m² | +17 m² +19% | 2015 |
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| 55, Westfield Avenue513 m away | 65 m² | 82 m² | +17 m² +26% | 2014 |
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| 14, Lancaster Gate346 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
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| 63, Dronsfield Road831 m away | 71 m² | 87 m² | +16 m² +23% | 2025 |
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| 2, Homestead Drive850 m away | 75 m² | 91 m² | +16 m² +21% | 2023 |
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| 12, Kingfisher Way0 m away | 99 m² | 115 m² | +16 m² +16% | 2022 |
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| 24, Hamlet Road712 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 41, Belmont Road983 m away | 74 m² | 90 m² | +16 m² +22% | 2016 |
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| 1, Troutbeck Avenue553 m away | 79 m² | 95 m² | +16 m² +20% | 2015 |
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| 12, Homestead Way922 m away | 100 m² | 116 m² | +16 m² +16% | 2015 |
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| 4, Crake Avenue786 m away | 83 m² | 99 m² | +16 m² +19% | 2014 |
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| 34, Cambridge Road311 m away | 65 m² | 81 m² | +16 m² +25% | 2013 |
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| 28, Mowbray Road562 m away | 85 m² | 101 m² | +16 m² +19% | 2013 |
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| 55, Laidleys Walk767 m away | 105 m² | 121 m² | +16 m² +15% | 2013 |
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| 8, Pike Court998 m away | 55 m² | 70 m² | +15 m² +27% | 2023 |
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| 19, Oxford Road467 m away | 91 m² | 106 m² | +15 m² +16% | 2021 |
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| 44, Heathfield Road493 m away | 94 m² | 109 m² | +15 m² +16% | 2016 |
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| 5, Leyburn Avenue664 m away | 81 m² | 96 m² | +15 m² +19% | 2016 |
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| 3, Duncan Place765 m away | 71 m² | 86 m² | +15 m² +21% | 2016 |
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| 71, Park Avenue801 m away | 67 m² | 82 m² | +15 m² +22% | 2014 |
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| 3, Gordon Road844 m away | 71 m² | 86 m² | +15 m² +21% | 2014 |
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| 3, Kingfisher Way0 m away | 91 m² | 106 m² | +15 m² +16% | 2012 |
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