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 PO12 4TU
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 |
|---|---|---|---|---|
| 5, Orwell Close875 m away | 145 m² | 226 m² | +81 m² +56% | 2014 |
| 6, St Georges Walk492 m away | 63 m² | 127 m² | +64 m² +102% | 2016 |
| 92, Shaftesbury Road733 m away | 117 m² | 178 m² | +61 m² +52% | 2014 |
| 89, North Street645 m away | 69 m² | 129 m² | +60 m² +87% | 2018 |
| 26, Cleveland Road950 m away | 56 m² | 114 m² | +58 m² +104% | 2025 |
| 11, The Officers Quarters384 m away | 57 m² | 115 m² | +58 m² +102% | 2014 |
| 16, Queens Road390 m away | 91 m² | 144 m² | +53 m² +58% | 2014 |
| 41, Kings Road399 m away | 127 m² | 180 m² | +53 m² +42% | 2014 |
| Flat 73, Sanderling Lodge, Rope Quays546 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.
| 94 m² |
| 145 m² |
| +51 m² +54% |
| 2008 |
| 24, St Andrews Road627 m away | 64 m² | 114 m² | +50 m² +78% | 2024 |
|---|
| Flat 6, Grosvenor Mews, 1a, Forton Road160 m away | 72 m² | 121 m² | +49 m² +68% | 2026 |
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| 25, Linden Grove990 m away | 163 m² | 209 m² | +46 m² +28% | 2022 |
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| 75, Linden Grove990 m away | 104 m² | 149 m² | +45 m² +43% | 2024 |
|---|
| 30, Windsor Road941 m away | 90 m² | 135 m² | +45 m² +50% | 2021 |
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| 48, Kings Road258 m away | 64 m² | 109 m² | +45 m² +70% | 2020 |
|---|
| 63, Cobden Street499 m away | 86 m² | 131 m² | +45 m² +52% | 2013 |
|---|
| Flat 4, Grosvenor Mews, 1a, Forton Road160 m away | 70 m² | 114 m² | +44 m² +63% | 2020 |
|---|
| 78a, Queens Road225 m away | 48 m² | 91 m² | +43 m² +90% | 2016 |
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| 23, Ingledene Close845 m away | 77 m² | 120 m² | +43 m² +56% | 2015 |
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| 45 - 47, Forton Road73 m away | 108 m² | 150 m² | +42 m² +39% | 2024 |
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| 53, Avenue Road362 m away | 113 m² | 154 m² | +41 m² +36% | 2024 |
|---|
| 4, Seahorse Walk663 m away | 65 m² | 106 m² | +41 m² +63% | 2023 |
|---|
| 171, Stoke Road784 m away | 52 m² | 93 m² | +41 m² +79% | 2014 |
|---|
| 15, Parham Road235 m away | 65 m² | 105 m² | +40 m² +62% | 2023 |
|---|
| Flat 69, Sanderling Lodge, Rope Quays546 m away | 39 m² | 78 m² | +39 m² +100% | 2022 |
|---|
| 21, Linden Grove990 m away | 48 m² | 87 m² | +39 m² +81% | 2012 |
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| Flat 38, Crown Mews, 15, Clarence Road600 m away | 61 m² | 98 m² | +37 m² +61% | 2020 |
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| 3, Grove Avenue157 m away | 114 m² | 150 m² | +36 m² +32% | 2026 |
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| 11, Percy Road407 m away | 57 m² | 93 m² | +36 m² +63% | 2018 |
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| 16, St Andrews Road627 m away | 106 m² | 142 m² | +36 m² +34% | 2012 |
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| 5, Bury Crescent754 m away | 104 m² | 139 m² | +35 m² +34% | 2021 |
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| 21, Peel Road281 m away | 105 m² | 138 m² | +33 m² +31% | 2013 |
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| 32, Walton Road927 m away | 67 m² | 100 m² | +33 m² +49% | 2013 |
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| 23, Blake Road307 m away | 45 m² | 76 m² | +31 m² +69% | 2022 |
|---|
| 51, Queens Road388 m away | 129 m² | 160 m² | +31 m² +24% | 2020 |
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| 60, San Diego Road814 m away | 133 m² | 163 m² | +30 m² +23% | 2023 |
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| 99, Mayfield Road887 m away | 63 m² | 93 m² | +30 m² +48% | 2023 |
|---|
| 15, Harcourt Road839 m away | 63 m² | 93 m² | +30 m² +48% | 2014 |
|---|
| 24, The Salthouse Apartments, Salt Meat Lane639 m away | 42 m² | 71 m² | +29 m² +69% | 2020 |
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| 19, Mill Pond Road649 m away | 76 m² | 105 m² | +29 m² +38% | 2014 |
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| 39, Linden Grove990 m away | 102 m² | 131 m² | +29 m² +28% | 2014 |
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| Unit 4, The Chandlers, Salt Meat Lane666 m away | 87 m² | 115 m² | +28 m² +32% | 2022 |
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| 23, Gordon Road992 m away | 95 m² | 123 m² | +28 m² +29% | 2016 |
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| 11, Lees Lane647 m away | 96 m² | 124 m² | +28 m² +29% | 2014 |
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| 6, Cottage Grove625 m away | 66 m² | 93 m² | +27 m² +41% | 2016 |
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| 59, Whitworth Road755 m away | 140 m² | 167 m² | +27 m² +19% | 2015 |
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| 25, Vernon Close876 m away | 67 m² | 93 m² | +26 m² +39% | 2025 |
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| 47, Sydney Road454 m away | 86 m² | 112 m² | +26 m² +30% | 2020 |
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| 11, North Cross Street740 m away | 69 m² | 95 m² | +26 m² +38% | 2009 |
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| 55, Grove Road939 m away | 96 m² | 121 m² | +25 m² +26% | 2025 |
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| Flat 12, Forton Lodge, 34a, Forton Road110 m away | 55 m² | 80 m² | +25 m² +45% | 2020 |
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| 35, Pelham Road683 m away | 77 m² | 102 m² | +25 m² +32% | 2015 |
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| Flat 55, Sanderling Lodge, Rope Quays546 m away | 70 m² | 94 m² | +24 m² +34% | 2024 |
|---|
| Flat 3, 109 - 111, Whitworth Road811 m away | 22 m² | 46 m² | +24 m² +109% | 2021 |
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| 42, Leonard Road84 m away | 67 m² | 91 m² | +24 m² +36% | 2020 |
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| Flat 42, Sanderling Lodge, Rope Quays546 m away | 64 m² | 88 m² | +24 m² +38% | 2019 |
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| 70, St Andrews Road627 m away | 95 m² | 119 m² | +24 m² +25% | 2019 |
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| 10, Prince Alfred Street922 m away | 61 m² | 85 m² | +24 m² +39% | 2019 |
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| 25, Peel Road281 m away | 84 m² | 108 m² | +24 m² +29% | 2015 |
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| 7, Park Terraces536 m away | 88 m² | 112 m² | +24 m² +27% | 2014 |
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| 74, High Street996 m away | 57 m² | 81 m² | +24 m² +42% | 2012 |
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| 21, Greenway Road727 m away | 98 m² | 122 m² | +24 m² +24% | 2011 |
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| Flat 70, Sanderling Lodge, Rope Quays546 m away | 60 m² | 83 m² | +23 m² +38% | 2025 |
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| 67, Whitworth Road755 m away | 91 m² | 114 m² | +23 m² +25% | 2024 |
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| 35, Mill Lane484 m away | 84 m² | 107 m² | +23 m² +27% | 2022 |
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| 14, Bury Crescent754 m away | 91 m² | 114 m² | +23 m² +25% | 2020 |
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| 42, Mayfield Road865 m away | 74 m² | 97 m² | +23 m² +31% | 2013 |
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| 1, Royal Engineers Mews491 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 44, Whitworth Road785 m away | 118 m² | 140 m² | +22 m² +19% | 2025 |
|---|
| 2, Admiral House, 1, St Georges Walk483 m away | 21 m² | 43 m² | +22 m² +105% | 2024 |
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| 105, Whitworth Road811 m away | 48 m² | 70 m² | +22 m² +46% | 2022 |
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| 42, Grove Avenue157 m away | 129 m² | 151 m² | +22 m² +17% | 2021 |
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| 29, Windsor Road941 m away | 79 m² | 101 m² | +22 m² +28% | 2015 |
|---|
| 4, Cottage Grove625 m away | 64 m² | 86 m² | +22 m² +34% | 2013 |
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| Flat 3, Issac House, 99, Heritage Way951 m away | 29 m² | 50 m² | +21 m² +72% | 2024 |
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| Flat 24, Ballard Court, Bury Road821 m away | 20 m² | 41 m² | +21 m² +105% | 2021 |
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| 47, Gordon Road992 m away | 137 m² | 158 m² | +21 m² +15% | 2020 |
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| 86, St Georges Walk492 m away | 66 m² | 87 m² | +21 m² +32% | 2010 |
|---|
| 43, Parham Road235 m away | 97 m² | 117 m² | +20 m² +21% | 2025 |
|---|
| 7, Freemantle Road983 m away | 96 m² | 116 m² | +20 m² +21% | 2025 |
|---|
| Flat 7, Ballard Court, Bury Road821 m away | 42 m² | 62 m² | +20 m² +48% | 2019 |
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| 36, Forton Road127 m away | 23 m² | 43 m² | +20 m² +87% | 2015 |
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| 2, Zetland Road697 m away | 60 m² | 80 m² | +20 m² +33% | 2014 |
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| 88, Parham Road410 m away | 96 m² | 116 m² | +20 m² +21% | 2013 |
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| 5, Cottage Grove625 m away | 73 m² | 93 m² | +20 m² +27% | 2013 |
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| 31, Whitworth Close762 m away | 76 m² | 96 m² | +20 m² +26% | 2011 |
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| 8, Freemantle Road983 m away | 66 m² | 86 m² | +20 m² +30% | 2011 |
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| Flat 3, Cleveland Place, 1, Cleveland Road950 m away | 41 m² | 60 m² | +19 m² +46% | 2025 |
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| 40, Whitworth Close762 m away | 74 m² | 93 m² | +19 m² +26% | 2023 |
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| Flat 1, Pearce Court, George Street114 m away | 50 m² | 69 m² | +19 m² +38% | 2022 |
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| 10, Carlton Road267 m away | 92 m² | 111 m² | +19 m² +21% | 2022 |
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| 30, Walton Road927 m away | 81 m² | 100 m² | +19 m² +23% | 2022 |
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| 4, Ledwell Court, Weevil Lane746 m away | 71 m² | 90 m² | +19 m² +27% | 2020 |
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| 19, Lavinia Road715 m away | 75 m² | 94 m² | +19 m² +25% | 2017 |
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| 87a, Forton Road114 m away | 41 m² | 60 m² | +19 m² +46% | 2015 |
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| 16, Ledwell Court, Weevil Lane746 m away | 55 m² | 74 m² | +19 m² +35% | 2015 |
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| 15, Strathmore Road334 m away | 86 m² | 105 m² | +19 m² +22% | 2014 |
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| 4, Camden Terrace950 m away | 85 m² | 103 m² | +18 m² +21% | 2023 |
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| 2, The Crossways750 m away | 74 m² | 92 m² | +18 m² +24% | 2021 |
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| 9, Prince Of Wales Road385 m away | 118 m² | 136 m² | +18 m² +15% | 2017 |
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| 16, Grove Road939 m away | 85 m² | 103 m² | +18 m² +21% | 2014 |
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| 64, San Diego Road976 m away | 50 m² | 68 m² | +18 m² +36% | 2011 |
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| 9, Henry Player Avenue432 m away | 74 m² | 92 m² | +18 m² +24% | 2010 |
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| 15, Galleon Place, Weevil Lane771 m away | 26 m² | 43 m² | +17 m² +65% | 2026 |
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| 40, Vernon Road841 m away | 105 m² | 122 m² | +17 m² +16% | 2026 |
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| 28, Thomas Grant Avenue423 m away | 50 m² | 67 m² | +17 m² +34% | 2024 |
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| Flat 5a, Marina Buildings, Stoke Road736 m away | 84 m² | 101 m² | +17 m² +20% | 2021 |
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| 24, Freemantle Road983 m away | 77 m² | 94 m² | +17 m² +22% | 2014 |
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| 41, Freemantle Road983 m away | 79 m² | 96 m² | +17 m² +22% | 2014 |
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| 1, Leonard Road0 m away | 74 m² | 91 m² | +17 m² +23% | 2012 |
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| Granham House, 5, Spring Garden Lane300 m away | 70 m² | 87 m² | +17 m² +24% | 2008 |
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| 29, Carnarvon Road967 m away | 63 m² | 79 m² | +16 m² +25% | 2026 |
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| 104, Whitworth Road858 m away | 48 m² | 64 m² | +16 m² +33% | 2025 |
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| 5, Tribe Road910 m away | 89 m² | 105 m² | +16 m² +18% | 2024 |
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| 52, Elmhurst Road442 m away | 90 m² | 106 m² | +16 m² +18% | 2022 |
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| 225, Forton Road785 m away | 63 m² | 79 m² | +16 m² +25% | 2022 |
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| 51, Mayfield Road887 m away | 70 m² | 86 m² | +16 m² +23% | 2021 |
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| 99, Kings Road399 m away | 86 m² | 101 m² | +15 m² +17% | 2026 |
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| 26, Harcourt Road839 m away | 82 m² | 97 m² | +15 m² +18% | 2024 |
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| Flat 16, Issac House, 99, Heritage Way951 m away | 46 m² | 61 m² | +15 m² +33% | 2023 |
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| Flat 4, Issac House, 99, Heritage Way951 m away | 46 m² | 61 m² | +15 m² +33% | 2023 |
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| Flat 2b, Marina Buildings, Stoke Road736 m away | 48 m² | 63 m² | +15 m² +31% | 2022 |
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| Flat 9, Calthorpe House, 4, Searle Drive865 m away | 42 m² | 57 m² | +15 m² +36% | 2021 |
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| Flat 9, Malden House, 2, Searle Drive865 m away | 42 m² | 57 m² | +15 m² +36% | 2021 |
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| 28, Whitworth Close762 m away | 76 m² | 91 m² | +15 m² +20% | 2020 |
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| 53, Kings Road399 m away | 84 m² | 99 m² | +15 m² +18% | 2019 |
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| 59, Cobden Street499 m away | 57 m² | 72 m² | +15 m² +26% | 2019 |
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| 62, Parham Road234 m away | 68 m² | 83 m² | +15 m² +22% | 2013 |
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| 29, Shaftesbury Road753 m away | 98 m² | 113 m² | +15 m² +15% | 2013 |
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| 7, Vernon Close876 m away | 68 m² | 83 m² | +15 m² +22% | 2013 |
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