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 6DE
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 |
|---|---|---|---|---|
| 27, Silvester Street387 m away | 509 m² | 630 m² | +121 m² +24% | 2018 |
| Apartment 224, 15, Hatton Garden940 m away | 64 m² | 127 m² | +63 m² +98% | 2025 |
| 3, Benton Close900 m away | 58 m² | 119 m² | +61 m² +105% | 2024 |
| Apartment 21, 15, Hatton Garden940 m away | 42 m² | 100 m² | +58 m² +138% | 2018 |
| 10, Portland Place588 m away | 39 m² | 94 m² | +55 m² +141% | 2023 |
| 58, Colin Drive639 m away | 66 m² | 119 m² | +53 m² +80% | 2014 |
| Apartment 205, 15, Hatton Garden940 m away | 73 m² | 124 m² | +51 m² +70% | 2018 |
| Car Parking Space 45, 15, Hatton Garden940 m away | 62 m² | 113 m² | +51 m² +82% | 2009 |
| Apartment 118, 15, Hatton Garden |
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.
| 47 m² |
| 96 m² |
| +49 m² +104% |
| 2018 |
| 81, Fontenoy Street665 m away | 73 m² | 121 m² | +48 m² +66% | 2018 |
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| 19, Woodstock Street472 m away | 77 m² | 122 m² | +45 m² +58% | 2014 |
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| 80, Princes Gardens838 m away | 47 m² | 92 m² | +45 m² +96% | 2013 |
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| 51, Princes Gardens838 m away | 48 m² | 93 m² | +45 m² +94% | 2013 |
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| Apartment 113, The Reach, 39, Leeds Street524 m away | 42 m² | 86 m² | +44 m² +105% | 2020 |
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| 2a, Comus Street552 m away | 80 m² | 122 m² | +42 m² +53% | 2014 |
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| 49, Princes Gardens838 m away | 51 m² | 93 m² | +42 m² +82% | 2013 |
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| Apartment 218, 15, Hatton Garden940 m away | 60 m² | 101 m² | +41 m² +68% | 2024 |
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| 15, Marnell Close475 m away | 39 m² | 80 m² | +41 m² +105% | 2023 |
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| 70, Christian Street736 m away | 56 m² | 97 m² | +41 m² +73% | 2023 |
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| 43, Princes Gardens801 m away | 52 m² | 93 m² | +41 m² +79% | 2013 |
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| 68, Princes Gardens838 m away | 52 m² | 93 m² | +41 m² +79% | 2013 |
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| 4, Houlgrave Road672 m away | 60 m² | 100 m² | +40 m² +67% | 2026 |
|---|
| 18, Gem Street534 m away | 39 m² | 79 m² | +40 m² +103% | 2021 |
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| 81, Princes Gardens838 m away | 52 m² | 92 m² | +40 m² +77% | 2013 |
|---|
| 7, Marnell Close475 m away | 36 m² | 75 m² | +39 m² +108% | 2019 |
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| 47, Princes Gardens838 m away | 54 m² | 93 m² | +39 m² +72% | 2013 |
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| 69, Princes Gardens838 m away | 54 m² | 93 m² | +39 m² +72% | 2013 |
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| 18, Marnell Close475 m away | 36 m² | 74 m² | +38 m² +106% | 2024 |
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| 98, Snowdon Lane752 m away | 53 m² | 91 m² | +38 m² +72% | 2014 |
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| Apartment, 95, Conway Street847 m away | 48 m² | 86 m² | +38 m² +79% | 2014 |
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| 59, Princes Gardens838 m away | 54 m² | 92 m² | +38 m² +70% | 2013 |
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| 21, Marnell Close475 m away | 36 m² | 74 m² | +38 m² +106% | 2012 |
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| 11, Marnell Close475 m away | 39 m² | 76 m² | +37 m² +95% | 2025 |
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| 22, Marnell Close475 m away | 39 m² | 76 m² | +37 m² +95% | 2024 |
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| 28, Marnell Close475 m away | 36 m² | 73 m² | +37 m² +103% | 2019 |
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| 27, Princes Gardens801 m away | 56 m² | 93 m² | +37 m² +66% | 2013 |
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| 14, Telary Close634 m away | 68 m² | 104 m² | +36 m² +53% | 2014 |
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| 62, Princes Gardens838 m away | 57 m² | 93 m² | +36 m² +63% | 2013 |
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| 19, Marnell Close475 m away | 36 m² | 71 m² | +35 m² +97% | 2023 |
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| Apartment 206, 15, Hatton Garden940 m away | 62 m² | 97 m² | +35 m² +56% | 2019 |
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| 29, Houlgrave Road672 m away | 77 m² | 112 m² | +35 m² +45% | 2016 |
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| 56, Barmouth Way739 m away | 126 m² | 161 m² | +35 m² +28% | 2014 |
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| 73, Princes Gardens838 m away | 58 m² | 93 m² | +35 m² +60% | 2013 |
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| Apartment, 55, Conway Street847 m away | 52 m² | 86 m² | +34 m² +65% | 2014 |
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| Apartment 204, 15, Hatton Garden940 m away | 91 m² | 125 m² | +34 m² +37% | 2012 |
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| 34, Gem Street534 m away | 36 m² | 70 m² | +34 m² +94% | 2010 |
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| 27, Marnell Close475 m away | 36 m² | 69 m² | +33 m² +92% | 2022 |
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| Flat 129, 44, Pall Mall895 m away | 60 m² | 93 m² | +33 m² +55% | 2019 |
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| 19f, William Henry Street889 m away | 122 m² | 154 m² | +32 m² +26% | 2019 |
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| 1, Lockfields View561 m away | 72 m² | 104 m² | +32 m² +44% | 2014 |
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| 12, Houlgrave Road672 m away | 68 m² | 100 m² | +32 m² +47% | 2014 |
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| 28, Snowdon Lane752 m away | 64 m² | 96 m² | +32 m² +50% | 2014 |
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| 31, Princes Gardens801 m away | 61 m² | 93 m² | +32 m² +52% | 2013 |
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| 19b, William Henry Street889 m away | 79 m² | 110 m² | +31 m² +39% | 2022 |
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| 20, Snowdon Lane752 m away | 66 m² | 97 m² | +31 m² +47% | 2014 |
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| 20, Marnell Close475 m away | 36 m² | 66 m² | +30 m² +83% | 2020 |
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| 54, Colin Drive639 m away | 67 m² | 97 m² | +30 m² +45% | 2014 |
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| 65, Snowdon Lane737 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
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| 50, Princes Gardens838 m away | 62 m² | 92 m² | +30 m² +48% | 2013 |
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| Apartment 202, The Reach, 39, Leeds Street524 m away | 59 m² | 88 m² | +29 m² +49% | 2022 |
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| 55, Snowdon Lane737 m away | 66 m² | 95 m² | +29 m² +44% | 2014 |
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| 64, Princes Gardens838 m away | 64 m² | 93 m² | +29 m² +45% | 2013 |
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| Flat 19, 44, Pall Mall895 m away | 38 m² | 66 m² | +28 m² +74% | 2026 |
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| 42, Silvester Street362 m away | 78 m² | 106 m² | +28 m² +36% | 2024 |
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| 72, Bispham House, Lace Street721 m away | 45 m² | 73 m² | +28 m² +62% | 2021 |
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| 46, Colin Drive639 m away | 61 m² | 89 m² | +28 m² +46% | 2014 |
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| 12, Lapworth Street960 m away | 78 m² | 106 m² | +28 m² +36% | 2014 |
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| 15, Princes Gardens801 m away | 38 m² | 66 m² | +28 m² +74% | 2013 |
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| 39, Summer Seat167 m away | 65 m² | 92 m² | +27 m² +42% | 2021 |
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| 30, Buckingham Street789 m away | 43 m² | 70 m² | +27 m² +63% | 2021 |
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| Apartment 203, 15, Hatton Garden940 m away | 62 m² | 89 m² | +27 m² +44% | 2021 |
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| 56, Snowdon Lane752 m away | 65 m² | 92 m² | +27 m² +42% | 2016 |
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| 101, Bond Street0 m away | 56 m² | 83 m² | +27 m² +48% | 2015 |
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| Apartment 7, 106, Haigh Street953 m away | 76 m² | 102 m² | +26 m² +34% | 2023 |
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| Apartment 144, The Reach, 39, Leeds Street524 m away | 67 m² | 93 m² | +26 m² +39% | 2021 |
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| 30, Princes Gardens801 m away | 67 m² | 93 m² | +26 m² +39% | 2013 |
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| 39, Princes Gardens801 m away | 67 m² | 93 m² | +26 m² +39% | 2013 |
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| Apartment 222, The Reach, 39, Leeds Street524 m away | 20 m² | 45 m² | +25 m² +125% | 2026 |
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| 20, Colin Drive639 m away | 108 m² | 133 m² | +25 m² +23% | 2014 |
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| 9, Cemeas Close662 m away | 77 m² | 102 m² | +25 m² +32% | 2014 |
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| Apartment, 129, Conway Street847 m away | 61 m² | 86 m² | +25 m² +41% | 2014 |
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| Apartment 123, The Reach, 39, Leeds Street524 m away | 63 m² | 86 m² | +23 m² +37% | 2020 |
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| 34, Bispham House, Lace Street721 m away | 45 m² | 68 m² | +23 m² +51% | 2020 |
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| Apartment 47, The Reach, 39, Leeds Street524 m away | 62 m² | 85 m² | +23 m² +37% | 2019 |
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| 53, Eldon Street235 m away | 68 m² | 91 m² | +23 m² +34% | 2015 |
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| 17, Princes Gardens801 m away | 43 m² | 66 m² | +23 m² +53% | 2013 |
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| 26, Roscommon Street700 m away | 93 m² | 116 m² | +23 m² +25% | 2009 |
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| 19g, William Henry Street889 m away | 114 m² | 136 m² | +22 m² +19% | 2025 |
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| Apartment 242, The Reach, 39, Leeds Street524 m away | 64 m² | 86 m² | +22 m² +34% | 2020 |
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| 22, St Annes Court607 m away | 38 m² | 60 m² | +22 m² +58% | 2020 |
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| Apartment 207, 15, Hatton Garden940 m away | 63 m² | 85 m² | +22 m² +35% | 2020 |
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| Apartment 4, 15, Hatton Garden940 m away | 91 m² | 113 m² | +22 m² +24% | 2019 |
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| Flat 10, The Cable Yard, 51, Cheapside958 m away | 73 m² | 95 m² | +22 m² +30% | 2018 |
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| 23, Lockfields View561 m away | 44 m² | 66 m² | +22 m² +50% | 2014 |
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| Apartment, 265, Conway Street788 m away | 64 m² | 86 m² | +22 m² +34% | 2014 |
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| 63, Princes Gardens838 m away | 70 m² | 92 m² | +22 m² +31% | 2013 |
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| Apartment 221, The Reach, 39, Leeds Street524 m away | 90 m² | 112 m² | +22 m² +24% | 2012 |
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| 4, Princes Gardens801 m away | 72 m² | 93 m² | +21 m² +29% | 2013 |
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| 46, Princes Gardens801 m away | 45 m² | 66 m² | +21 m² +47% | 2013 |
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| Apartment 411, Cable House, 49, Cheapside986 m away | 82 m² | 103 m² | +21 m² +26% | 2011 |
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| 74, Snowdon Lane752 m away | 58 m² | 78 m² | +20 m² +34% | 2025 |
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| Apartment 7, 15, Hatton Garden940 m away | 107 m² | 127 m² | +20 m² +19% | 2023 |
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| 28, Bispham House, Lace Street721 m away | 45 m² | 65 m² | +20 m² +44% | 2020 |
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| 37, Bispham House, Lace Street721 m away | 45 m² | 65 m² | +20 m² +44% | 2020 |
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| Apartment 56, 17, Standish Street774 m away | 42 m² | 62 m² | +20 m² +48% | 2019 |
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| Flat 34, Kingsway Court, 4, Burroughs Gardens111 m away | 47 m² | 67 m² | +20 m² +43% | 2013 |
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| 24, Princes Gardens801 m away | 46 m² | 66 m² | +20 m² +43% | 2013 |
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| 92, Princes Gardens838 m away | 36 m² | 56 m² | +20 m² +56% | 2013 |
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| Apartment 3, 15, Hatton Garden940 m away | 75 m² | 94 m² | +19 m² +25% | 2023 |
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| Apartment 32, 26, Pall Mall950 m away | 60 m² | 79 m² | +19 m² +32% | 2022 |
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| 37, Titchfield Street127 m away | 80 m² | 99 m² | +19 m² +24% | 2015 |
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| 14, Princes Gardens801 m away | 48 m² | 67 m² | +19 m² +40% | 2013 |
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| 33, Princes Gardens801 m away | 37 m² | 56 m² | +19 m² +51% | 2013 |
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| 96, Princes Gardens838 m away | 48 m² | 67 m² | +19 m² +40% | 2013 |
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| Apartment 21, 12, Cheapside997 m away | 54 m² | 73 m² | +19 m² +35% | 2012 |
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| Apartment 45, The Reach, 39, Leeds Street524 m away | 44 m² | 62 m² | +18 m² +41% | 2025 |
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| Apartment 51, The Reach, 39, Leeds Street524 m away | 44 m² | 62 m² | +18 m² +41% | 2025 |
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| 3, Gildarts Gardens156 m away | 55 m² | 73 m² | +18 m² +33% | 2015 |
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| 59, Eldon Street235 m away | 53 m² | 71 m² | +18 m² +34% | 2015 |
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| Apartment 102, The Reach, 39, Leeds Street524 m away | 48 m² | 66 m² | +18 m² +38% | 2014 |
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| 8, Princes Gardens801 m away | 49 m² | 67 m² | +18 m² +37% | 2013 |
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| 21, Princes Gardens801 m away | 38 m² | 56 m² | +18 m² +47% | 2013 |
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| 66, Princes Gardens838 m away | 48 m² | 66 m² | +18 m² +38% | 2013 |
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| 4, Lapworth Street960 m away | 85 m² | 103 m² | +18 m² +21% | 2013 |
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| 109, Salisbury Street897 m away | 65 m² | 82 m² | +17 m² +26% | 2026 |
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| 6, Chapel Gardens555 m away | 40 m² | 57 m² | +17 m² +43% | 2025 |
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| Flat 10, 44, Pall Mall895 m away | 66 m² | 83 m² | +17 m² +26% | 2025 |
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| 7, Eldon Street235 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
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| 8, Francine Close670 m away | 47 m² | 64 m² | +17 m² +36% | 2022 |
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| 57, Bispham House, Lace Street721 m away | 45 m² | 62 m² | +17 m² +38% | 2020 |
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| Flat 5, Kingsway Court, 1, Burroughs Gardens111 m away | 49 m² | 66 m² | +17 m² +35% | 2013 |
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| 16, Princes Gardens801 m away | 50 m² | 67 m² | +17 m² +34% | 2013 |
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| 34, Princes Gardens801 m away | 50 m² | 67 m² | +17 m² +34% | 2013 |
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| 20, Princes Gardens801 m away | 49 m² | 66 m² | +17 m² +35% | 2013 |
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| 18, Adlington Street735 m away | 59 m² | 75 m² | +16 m² +27% | 2026 |
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| Apartment 16, 15, Hatton Garden940 m away | 77 m² | 93 m² | +16 m² +21% | 2026 |
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| 76, Prince Edwin Street817 m away | 40 m² | 56 m² | +16 m² +40% | 2021 |
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| 55, Eldon Street235 m away | 55 m² | 71 m² | +16 m² +29% | 2015 |
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| 1, Callaghan Close458 m away | 78 m² | 94 m² | +16 m² +21% | 2014 |
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| 32, Princes Gardens801 m away | 51 m² | 67 m² | +16 m² +31% | 2013 |
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| 36, Princes Gardens801 m away | 51 m² | 67 m² | +16 m² +31% | 2013 |
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| 88, Princes Gardens838 m away | 51 m² | 67 m² | +16 m² +31% | 2013 |
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| 15, Lockfields View561 m away | 85 m² | 101 m² | +16 m² +19% | 2011 |
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| Flat 89, 44, Pall Mall895 m away | 57 m² | 72 m² | +15 m² +26% | 2025 |
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| Apartment 2, 38, Marlborough Street690 m away | 41 m² | 56 m² | +15 m² +37% | 2024 |
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| Apartment 15, 15, Hatton Garden940 m away | 92 m² | 107 m² | +15 m² +16% | 2024 |
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| Apartment 16, 63, Tithebarn Street956 m away | 48 m² | 63 m² | +15 m² +31% | 2024 |
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| 52a, Silvester Street362 m away | 90 m² | 105 m² | +15 m² +17% | 2022 |
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| Apartment 99, The Reach, 39, Leeds Street524 m away | 66 m² | 81 m² | +15 m² +23% | 2022 |
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| Apartment 264, The Reach, 39, Leeds Street465 m away | 57 m² | 72 m² | +15 m² +26% | 2020 |
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| 168, Richmond Row673 m away | 76 m² | 91 m² | +15 m² +20% | 2015 |
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| Apartment, 233, Conway Street788 m away | 71 m² | 86 m² | +15 m² +21% | 2014 |
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| Apartment, 167, Conway Street788 m away | 37 m² | 52 m² | +15 m² +41% | 2014 |
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| 22, Princes Gardens801 m away | 51 m² | 66 m² | +15 m² +29% | 2013 |
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