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 L3 4EX
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 |
|---|---|---|---|---|
| Apartment 47, 12, Madison Square721 m away | 54 m² | 134 m² | +80 m² +148% | 2020 |
| Apartment 902, 15, Mann Island637 m away | 99 m² | 167 m² | +68 m² +69% | 2023 |
| Apartment 702, 15, Mann Island637 m away | 55 m² | 117 m² | +62 m² +113% | 2021 |
| Apartment 712, 15, Mann Island637 m away | 40 m² | 93 m² | +53 m² +133% | 2022 |
| Apartment 43, 94 - 96, Wood Street863 m away | 82 m² | 134 m² | +52 m² +63% | 2025 |
| Apartment 14, 5, Concert Street756 m away | 34 m² | 85 m² | +51 m² +150% | 2017 |
| Apartment 209, 31, Strand Street524 m away | 34 m² | 82 m² | +48 m² +141% | 2019 |
| Apartment 22, 5, Concert Street756 m away | 34 m² | 82 m² | +48 m² +141% | 2015 |
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.
| 81 m² |
| 128 m² |
| +47 m² +58% |
| 2009 |
| Apartment 5, 5, Concert Street756 m away | 34 m² | 80 m² | +46 m² +135% | 2017 |
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| Apartment 9, 1, Royal Quay63 m away | 45 m² | 89 m² | +44 m² +98% | 2024 |
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| Apartment 204, 11, Mann Island608 m away | 40 m² | 84 m² | +44 m² +110% | 2022 |
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| Apartment 6, 75, Henry Street645 m away | 33 m² | 77 m² | +44 m² +133% | 2016 |
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| 36, Upper Frederick Street427 m away | 66 m² | 109 m² | +43 m² +65% | 2026 |
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| Apartment 9, 5, Temple Lane967 m away | 40 m² | 83 m² | +43 m² +108% | 2012 |
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| Apartment 32, 9, Cornwallis Street745 m away | 80 m² | 122 m² | +42 m² +53% | 2025 |
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| Apartment 212, 11, Mann Island608 m away | 40 m² | 82 m² | +42 m² +105% | 2022 |
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| Apartment 109, 11, Mann Island608 m away | 40 m² | 81 m² | +41 m² +102% | 2022 |
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| Apartment 3, 136, Duke Street747 m away | 89 m² | 130 m² | +41 m² +46% | 2019 |
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| Apartment 520, 15, Mann Island637 m away | 61 m² | 101 m² | +40 m² +66% | 2024 |
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| Apartment 614, 11, Mann Island608 m away | 61 m² | 101 m² | +40 m² +66% | 2022 |
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| Apartment 5, 5, Temple Lane967 m away | 43 m² | 83 m² | +40 m² +93% | 2010 |
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| Apartment 6, 29, Cornhill245 m away | 90 m² | 128 m² | +38 m² +42% | 2022 |
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| 14, Colquitt Street879 m away | 37 m² | 75 m² | +38 m² +103% | 2019 |
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| 17, Dukes Terrace828 m away | 63 m² | 101 m² | +38 m² +60% | 2018 |
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| Flat 19, 5, Back Colquitt Street860 m away | 62 m² | 99 m² | +37 m² +60% | 2026 |
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| Apartment 525, 11, Mann Island608 m away | 43 m² | 80 m² | +37 m² +86% | 2022 |
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| Apartment 25, Halifax House, 5, Fenwick Street866 m away | 50 m² | 87 m² | +37 m² +74% | 2020 |
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| Apartment 305, Beetham Plaza, 25, The Strand786 m away | 98 m² | 134 m² | +36 m² +37% | 2023 |
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| Apartment 30, Tower Building, 22, Water Street908 m away | 95 m² | 130 m² | +35 m² +37% | 2026 |
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| Apartment 105, 11, Mann Island608 m away | 40 m² | 75 m² | +35 m² +88% | 2024 |
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| Flat 2, 1, Brunswick Street827 m away | 39 m² | 73 m² | +34 m² +87% | 2025 |
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| 21, Temple Street964 m away | 41 m² | 75 m² | +34 m² +83% | 2010 |
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| Apartment 312, 11, Mann Island608 m away | 42 m² | 75 m² | +33 m² +79% | 2024 |
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| Apartment 8, 28, Argyle Street451 m away | 75 m² | 108 m² | +33 m² +44% | 2022 |
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| Apartment 210, 31, Strand Street524 m away | 31 m² | 63 m² | +32 m² +103% | 2020 |
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| Flat 5, 17, Sweeting Street890 m away | 75 m² | 107 m² | +32 m² +43% | 2020 |
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| Apartment 8, 9, Cornwallis Street745 m away | 65 m² | 96 m² | +31 m² +48% | 2019 |
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| Apartment 26, 24, Fenwick Street747 m away | 42 m² | 73 m² | +31 m² +74% | 2018 |
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| Apartment 15, 17, Lydia Ann Street561 m away | 86 m² | 116 m² | +30 m² +35% | 2022 |
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| Apartment 50, 2, Royal Quay63 m away | 89 m² | 119 m² | +30 m² +34% | 2019 |
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| 6, Rumford Street971 m away | 80 m² | 110 m² | +30 m² +38% | 2018 |
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| 4 - 8, Temple Court916 m away | 38 m² | 67 m² | +29 m² +76% | 2025 |
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| Apartment 8, 50, Henry Street578 m away | 66 m² | 95 m² | +29 m² +44% | 2019 |
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| Apartment 26, 18, Henry Street501 m away | 64 m² | 92 m² | +28 m² +44% | 2020 |
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| Apartment 18, 9, Cornwallis Street745 m away | 50 m² | 78 m² | +28 m² +56% | 2019 |
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| Apartment 43, 9, Cornwallis Street745 m away | 98 m² | 126 m² | +28 m² +29% | 2019 |
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| Apartment 304, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 804, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 604, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 204, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 904, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 404, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 104, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 704, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 504, 2, Carpenters Row230 m away | 30 m² | 57 m² | +27 m² +90% | 2025 |
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| Apartment 5, 35, Kent Street659 m away | 62 m² | 88 m² | +26 m² +42% | 2024 |
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| 48 - 50, Bold Street825 m away | 60 m² | 86 m² | +26 m² +43% | 2022 |
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| Apartment 30, 5, Concert Street756 m away | 56 m² | 82 m² | +26 m² +46% | 2021 |
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| Flat 11, North Quay, Wapping Quay136 m away | 86 m² | 112 m² | +26 m² +30% | 2020 |
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| Apartment 44, 136, Duke Street747 m away | 47 m² | 73 m² | +26 m² +55% | 2011 |
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| Apartment 306, Beetham Plaza, 25, The Strand786 m away | 72 m² | 97 m² | +25 m² +35% | 2025 |
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| Apartment 609, 11, Mann Island608 m away | 40 m² | 65 m² | +25 m² +63% | 2023 |
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| Apartment 607, 31, Strand Street524 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| Apartment 114, 11, Mann Island608 m away | 40 m² | 65 m² | +25 m² +63% | 2022 |
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| Apartment 12, 37, Duke Street555 m away | 40 m² | 65 m² | +25 m² +63% | 2009 |
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| Apartment 325, 11, Mann Island608 m away | 43 m² | 67 m² | +24 m² +56% | 2022 |
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| Apartment 521, 11, Mann Island608 m away | 41 m² | 65 m² | +24 m² +59% | 2021 |
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| Apartment 509, 15, Mann Island637 m away | 40 m² | 64 m² | +24 m² +60% | 2021 |
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| Apartment 907, 31, Strand Street524 m away | 70 m² | 94 m² | +24 m² +34% | 2019 |
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| Apartment 26, Tower Building, 22, Water Street908 m away | 60 m² | 84 m² | +24 m² +40% | 2019 |
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| 74, Duke Street582 m away | 62 m² | 86 m² | +24 m² +39% | 2008 |
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| Apartment 9, 12, York Street480 m away | 66 m² | 89 m² | +23 m² +35% | 2021 |
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| Apartment 521, 15, Mann Island637 m away | 42 m² | 65 m² | +23 m² +55% | 2021 |
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| Apartment 29, 9, Cornwallis Street745 m away | 70 m² | 93 m² | +23 m² +33% | 2020 |
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| Apartment 9, Halifax House, 5, Fenwick Street866 m away | 64 m² | 87 m² | +23 m² +36% | 2019 |
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| Flat 3, 7, Argyle Street464 m away | 68 m² | 91 m² | +23 m² +34% | 2013 |
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| Flat 211, Victoria House, 25, Victoria Street964 m away | 48 m² | 71 m² | +23 m² +48% | 2012 |
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| Apartment 606, 11, Mann Island608 m away | 40 m² | 62 m² | +22 m² +55% | 2026 |
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| Apartment 20, 33, Cornhill294 m away | 48 m² | 70 m² | +22 m² +46% | 2025 |
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| Apartment 205, 31, Strand Street524 m away | 53 m² | 75 m² | +22 m² +42% | 2025 |
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| 31, Dukes Terrace828 m away | 65 m² | 87 m² | +22 m² +34% | 2025 |
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| 175, Quebec Quay984 m away | 55 m² | 77 m² | +22 m² +40% | 2025 |
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| Apartment 32, 37, Duke Street555 m away | 59 m² | 81 m² | +22 m² +37% | 2024 |
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| New Zealand House, 18, Water Street944 m away | 94 m² | 116 m² | +22 m² +23% | 2023 |
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| Apartment 104, 11, Mann Island608 m away | 40 m² | 62 m² | +22 m² +55% | 2022 |
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| Apartment 34, 9, Cornwallis Street745 m away | 123 m² | 145 m² | +22 m² +18% | 2022 |
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| Flat 10, Lisbon Buildings, 35, Victoria Street984 m away | 93 m² | 115 m² | +22 m² +24% | 2021 |
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| Apartment 504, 11, Plaza Boulevard743 m away | 61 m² | 83 m² | +22 m² +36% | 2019 |
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| Apartment 505, Beetham Plaza, 25, The Strand786 m away | 83 m² | 105 m² | +22 m² +27% | 2019 |
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| Apartment 10, Halifax House, 5, Fenwick Street866 m away | 52 m² | 74 m² | +22 m² +42% | 2019 |
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| Apartment 210, 15, Mann Island637 m away | 61 m² | 82 m² | +21 m² +34% | 2026 |
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| 27, The Anchorage930 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
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| Apartment 29, 26, Cornhill294 m away | 78 m² | 99 m² | +21 m² +27% | 2024 |
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| Apartment 225, 11, Mann Island608 m away | 43 m² | 64 m² | +21 m² +49% | 2022 |
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| Apartment 93, 4, Royal Quay54 m away | 49 m² | 70 m² | +21 m² +43% | 2021 |
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| Flat 6, 99, Henry Street645 m away | 47 m² | 68 m² | +21 m² +45% | 2020 |
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| Apartment 1106, 37, Strand Street482 m away | 47 m² | 68 m² | +21 m² +45% | 2019 |
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| Apartment 9, 34, Shaws Alley234 m away | 52 m² | 72 m² | +20 m² +38% | 2025 |
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| Flat 7, 7, Victoria Street911 m away | 48 m² | 68 m² | +20 m² +42% | 2023 |
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| Apartment 303, 11, Mann Island608 m away | 42 m² | 62 m² | +20 m² +48% | 2022 |
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| Apartment 504, 11, Mann Island608 m away | 40 m² | 60 m² | +20 m² +50% | 2022 |
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| Apartment 507, 15, Mann Island637 m away | 45 m² | 65 m² | +20 m² +44% | 2022 |
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| Apartment 4, 96a, Duke Street671 m away | 56 m² | 76 m² | +20 m² +36% | 2022 |
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| Apartment 506, 15, Mann Island637 m away | 40 m² | 60 m² | +20 m² +50% | 2021 |
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| Apartment 603, 15, Mann Island637 m away | 40 m² | 60 m² | +20 m² +50% | 2021 |
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| Apartment 505, 11, Mann Island608 m away | 40 m² | 60 m² | +20 m² +50% | 2020 |
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| 9, Arch View Crescent893 m away | 32 m² | 52 m² | +20 m² +63% | 2020 |
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| Apartment 166, 32, Tabley Street240 m away | 36 m² | 56 m² | +20 m² +56% | 2019 |
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| Apartment 810, 31, Strand Street524 m away | 26 m² | 46 m² | +20 m² +77% | 2019 |
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| Apartment 1301, 37, Strand Street482 m away | 77 m² | 97 m² | +20 m² +26% | 2018 |
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| Apartment 6, 5, Temple Lane967 m away | 59 m² | 79 m² | +20 m² +34% | 2012 |
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| Apartment 63, 21, Colquitt Street831 m away | 48 m² | 67 m² | +19 m² +40% | 2024 |
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| Flat 9, North Quay, Wapping Quay136 m away | 76 m² | 95 m² | +19 m² +25% | 2022 |
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| Apartment 603, 11, Mann Island608 m away | 40 m² | 59 m² | +19 m² +48% | 2022 |
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| Apartment 426, 11, Mann Island608 m away | 43 m² | 62 m² | +19 m² +44% | 2022 |
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| Apartment 608, 37, Strand Street482 m away | 47 m² | 66 m² | +19 m² +40% | 2021 |
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| Apartment 904, 15, Mann Island637 m away | 66 m² | 85 m² | +19 m² +29% | 2021 |
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| Apartment 29, 48a, Nelson Street723 m away | 51 m² | 70 m² | +19 m² +37% | 2021 |
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| Apartment 44, 32, Tabley Street240 m away | 37 m² | 56 m² | +19 m² +51% | 2020 |
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| Apartment 401, 37, Strand Street482 m away | 70 m² | 89 m² | +19 m² +27% | 2020 |
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| Apartment 209, 15, Mann Island637 m away | 40 m² | 59 m² | +19 m² +48% | 2020 |
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| Apartment 7, 32, Tabley Street240 m away | 37 m² | 56 m² | +19 m² +51% | 2019 |
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| Apartment 147, 32, Tabley Street240 m away | 54 m² | 73 m² | +19 m² +35% | 2019 |
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| Apartment 508, 37, Strand Street482 m away | 47 m² | 66 m² | +19 m² +40% | 2019 |
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| Apartment 28, 74, Duke Street582 m away | 43 m² | 62 m² | +19 m² +44% | 2018 |
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| Apartment 12, 94 - 96, Wood Street863 m away | 40 m² | 58 m² | +18 m² +45% | 2025 |
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| Flat 3, Lisbon Buildings, 35, Victoria Street984 m away | 54 m² | 72 m² | +18 m² +33% | 2024 |
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| Apartment 621, 11, Mann Island608 m away | 43 m² | 61 m² | +18 m² +42% | 2022 |
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| Apartment 619, 11, Mann Island608 m away | 43 m² | 61 m² | +18 m² +42% | 2022 |
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| Apartment 512, 11, Mann Island608 m away | 40 m² | 58 m² | +18 m² +45% | 2021 |
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| Apartment 516, 15, Mann Island637 m away | 40 m² | 58 m² | +18 m² +45% | 2021 |
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| Flat 7, Lisbon Buildings, 35, Victoria Street984 m away | 53 m² | 71 m² | +18 m² +34% | 2021 |
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| Apartment 15, 12, York Street480 m away | 80 m² | 98 m² | +18 m² +23% | 2020 |
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| Apartment 602, 3, Kenyons Steps524 m away | 36 m² | 54 m² | +18 m² +50% | 2019 |
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| Flat 17, Harrington Chambers, 26, North John Street834 m away | 75 m² | 93 m² | +18 m² +24% | 2019 |
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| Apartment 5, Halifax House, 5, Fenwick Street866 m away | 48 m² | 66 m² | +18 m² +38% | 2019 |
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| Apartment 39, Produce Exchange Building, 8, Victoria Street893 m away | 26 m² | 44 m² | +18 m² +69% | 2018 |
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| Apartment 1205, 37, Strand Street482 m away | 66 m² | 84 m² | +18 m² +27% | 2009 |
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| Apartment 310, 11, Mann Island608 m away | 40 m² | 57 m² | +17 m² +43% | 2025 |
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| Apartment 67, 76, Henry Street645 m away | 57 m² | 74 m² | +17 m² +30% | 2024 |
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| Apartment 21, 24, Fenwick Street747 m away | 101 m² | 118 m² | +17 m² +17% | 2024 |
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| Apartment 1003, 37, Strand Street482 m away | 69 m² | 86 m² | +17 m² +25% | 2023 |
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| Apartment 1103, 37, Strand Street482 m away | 69 m² | 86 m² | +17 m² +25% | 2023 |
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| Apartment 22, 32, Tabley Street240 m away | 54 m² | 71 m² | +17 m² +31% | 2022 |
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| Apartment 21, 9, Cornwallis Street745 m away | 64 m² | 81 m² | +17 m² +27% | 2022 |
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| Apartment 30, 136, Duke Street747 m away | 70 m² | 87 m² | +17 m² +24% | 2022 |
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| Apartment 49, 2, Royal Quay63 m away | 100 m² | 117 m² | +17 m² +17% | 2021 |
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| Flat 1, 12, Button Street848 m away | 62 m² | 79 m² | +17 m² +27% | 2020 |
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| Apartment 601, 37, Strand Street482 m away | 70 m² | 87 m² | +17 m² +24% | 2019 |
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| Apartment 510, 3, Kenyons Steps524 m away | 29 m² | 46 m² | +17 m² +59% | 2019 |
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| Apartment 38, Shaws Alley265 m away | 55 m² | 72 m² | +17 m² +31% | 2015 |
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| Apartment 12, 1, Royal Quay63 m away | 53 m² | 70 m² | +17 m² +32% | 2010 |
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| Apartment 2, 31, Cornhill267 m away | 50 m² | 66 m² | +16 m² +32% | 2025 |
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| Apartment 7, 35, Kent Street659 m away | 56 m² | 72 m² | +16 m² +29% | 2023 |
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| Apartment 11, 16, Henry Street518 m away | 54 m² | 70 m² | +16 m² +30% | 2022 |
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| Apartment 326, 11, Mann Island608 m away | 43 m² | 59 m² | +16 m² +37% | 2022 |
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| 25, Dukes Terrace828 m away | 50 m² | 66 m² | +16 m² +32% | 2022 |
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| Apartment 907, 37, Strand Street482 m away | 66 m² | 82 m² | +16 m² +24% | 2021 |
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| Apartment 1010, 3, Kenyons Steps524 m away | 29 m² | 45 m² | +16 m² +55% | 2021 |
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| Apartment 8, Halifax House, 5, Fenwick Street866 m away | 44 m² | 60 m² | +16 m² +36% | 2019 |
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| Apartment 21, 31, Cornhill267 m away | 49 m² | 65 m² | +16 m² +33% | 2011 |
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| Flat 4, 99, Henry Street645 m away | 47 m² | 63 m² | +16 m² +34% | 2011 |
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| Apartment 15, 9, Cornwallis Street745 m away | 54 m² | 70 m² | +16 m² +30% | 2009 |
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| Apartment 604, 7, The Strand852 m away | 44 m² | 59 m² | +15 m² +34% | 2026 |
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| Apartment 10, 33, Cornhill294 m away | 65 m² | 80 m² | +15 m² +23% | 2025 |
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| Apartment 8, 35, Kent Street659 m away | 62 m² | 77 m² | +15 m² +24% | 2024 |
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| Apartment 1, 34, Shaws Alley234 m away | 64 m² | 79 m² | +15 m² +23% | 2022 |
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| Apartment 513, 11, Mann Island608 m away | 46 m² | 61 m² | +15 m² +33% | 2022 |
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| Apartment 301, 3, Kenyons Steps524 m away | 39 m² | 54 m² | +15 m² +38% | 2021 |
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| Flat 25, 7, Victoria Street911 m away | 61 m² | 76 m² | +15 m² +25% | 2021 |
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| Flat 3, 2, Bold Place960 m away | 34 m² | 49 m² | +15 m² +44% | 2021 |
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| Apartment 25, 94 - 96, Wood Street863 m away | 42 m² | 57 m² | +15 m² +36% | 2020 |
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| Apartment 417, Reliance House, 20, Water Street910 m away | 46 m² | 61 m² | +15 m² +33% | 2020 |
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| Apartment 14, 16, Henry Street518 m away | 47 m² | 62 m² | +15 m² +32% | 2019 |
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| Apartment 22, Halifax House, 5, Fenwick Street866 m away | 41 m² | 56 m² | +15 m² +37% | 2019 |
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| Apartment 56, 76, Henry Street645 m away | 48 m² | 63 m² | +15 m² +31% | 2018 |
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| Apartment 40, 76, Henry Street645 m away | 48 m² | 63 m² | +15 m² +31% | 2018 |
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| Apartment 31, 76, Henry Street645 m away | 48 m² | 63 m² | +15 m² +31% | 2018 |
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| Apartment 903, 15, Mann Island637 m away | 68 m² | 83 m² | +15 m² +22% | 2011 |
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| 26, Colquitt Street879 m away | 39 m² | 54 m² | +15 m² +38% | 2010 |
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