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 FY7 6EU
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 |
|---|---|---|---|---|
| 15, Balmoral Terrace308 m away | 168 m² | 390 m² | +222 m² +132% | 2014 |
| 33, Blakiston Street120 m away | 98 m² | 194 m² | +96 m² +98% | 2014 |
| 141, Promenade Road222 m away | 93 m² | 187 m² | +94 m² +101% | 2013 |
| 12, Seymour Street752 m away | 72 m² | 164 m² | +92 m² +128% | 2015 |
| 53, Preston Street192 m away | 73 m² | 162 m² | +89 m² +122% | 2016 |
| 89, Victoria Street232 m away | 63 m² | 140 m² | +77 m² +122% | 2015 |
| 13, Arthur Street443 m away | 55 m² | 130 m² | +75 m² +136% | 2014 |
| 112, Victoria Street102 m away | 87 m² | 158 m² | +71 m² +82% | 2017 |
| 83, Mount Road146 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.
| 227 m² |
| 297 m² |
| +70 m² +31% |
| 2013 |
| 70, Blakiston Street58 m away | 101 m² | 169 m² | +68 m² +67% | 2016 |
|---|
| 15, Elm Street508 m away | 89 m² | 154 m² | +65 m² +73% | 2015 |
|---|
| 83, Kemp Street166 m away | 66 m² | 127 m² | +61 m² +92% | 2025 |
|---|
| 9, Lower Lune Street491 m away | 63 m² | 124 m² | +61 m² +97% | 2020 |
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| 36, North Church Street302 m away | 55 m² | 114 m² | +59 m² +107% | 2015 |
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| 10, Burns Road406 m away | 100 m² | 158 m² | +58 m² +58% | 2013 |
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| 104, Blakiston Street142 m away | 83 m² | 141 m² | +58 m² +70% | 2010 |
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| 35, North Street238 m away | 96 m² | 153 m² | +57 m² +59% | 2020 |
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| 30, Custom House Lane511 m away | 66 m² | 123 m² | +57 m² +86% | 2015 |
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| 29, Addison Road733 m away | 63 m² | 119 m² | +56 m² +89% | 2015 |
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| 70, London Street166 m away | 123 m² | 177 m² | +54 m² +44% | 2018 |
|---|
| A home on North Albert Street389 m away | 121 m² | 175 m² | +54 m² +45% | 2014 |
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| 76, North Albert Street457 m away | 50 m² | 103 m² | +53 m² +106% | 2015 |
|---|
| 23, Poulton Road387 m away | 96 m² | 148 m² | +52 m² +54% | 2018 |
|---|
| 7, Milton Street414 m away | 139 m² | 191 m² | +52 m² +37% | 2009 |
|---|
| 62, Blakiston Street120 m away | 88 m² | 139 m² | +51 m² +58% | 2016 |
|---|
| 68, Addison Road829 m away | 73 m² | 124 m² | +51 m² +70% | 2015 |
|---|
| 3, Lower Lune Street491 m away | 69 m² | 117 m² | +48 m² +70% | 2016 |
|---|
| 2, Marina Mews710 m away | 59 m² | 107 m² | +48 m² +81% | 2016 |
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| 50, North Albert Street389 m away | 80 m² | 128 m² | +48 m² +60% | 2013 |
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| 42, Poulton Road411 m away | 97 m² | 143 m² | +46 m² +47% | 2015 |
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| 65, Pharos Street219 m away | 99 m² | 144 m² | +45 m² +45% | 2024 |
|---|
| 24, Rhyl Street165 m away | 61 m² | 106 m² | +45 m² +74% | 2015 |
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| 16, Percy Street720 m away | 81 m² | 126 m² | +45 m² +56% | 2015 |
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| 18, Hesketh Place158 m away | 112 m² | 156 m² | +44 m² +39% | 2024 |
|---|
| 45, Kent Street340 m away | 62 m² | 105 m² | +43 m² +69% | 2016 |
|---|
| 19, North Albert Street352 m away | 46 m² | 89 m² | +43 m² +93% | 2014 |
|---|
| 1, Addison Road733 m away | 58 m² | 100 m² | +42 m² +72% | 2016 |
|---|
| 116, Carr Road492 m away | 89 m² | 130 m² | +41 m² +46% | 2014 |
|---|
| 68, London Street166 m away | 183 m² | 222 m² | +39 m² +21% | 2026 |
|---|
| 43, North Church Street371 m away | 30 m² | 69 m² | +39 m² +130% | 2015 |
|---|
| 80, Addison Road924 m away | 65 m² | 103 m² | +38 m² +58% | 2016 |
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| 169, Lord Street413 m away | 30 m² | 68 m² | +38 m² +127% | 2012 |
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| 14, Tennyson Road422 m away | 69 m² | 107 m² | +38 m² +55% | 2012 |
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| 25, Addison Road733 m away | 65 m² | 102 m² | +37 m² +57% | 2016 |
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| 63, Poulton Street297 m away | 60 m² | 97 m² | +37 m² +62% | 2015 |
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| 15, Milton Street414 m away | 80 m² | 117 m² | +37 m² +46% | 2014 |
|---|
| Part Of, 94, Mount Street239 m away | 80 m² | 116 m² | +36 m² +45% | 2025 |
|---|
| 59a, Poulton Road518 m away | 57 m² | 93 m² | +36 m² +63% | 2022 |
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| 27, Blakiston Street120 m away | 84 m² | 120 m² | +36 m² +43% | 2016 |
|---|
| 5, North Street238 m away | 122 m² | 157 m² | +35 m² +29% | 2026 |
|---|
| 37, Pharos Street293 m away | 103 m² | 138 m² | +35 m² +34% | 2021 |
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| 15, Galloway Road641 m away | 159 m² | 194 m² | +35 m² +22% | 2016 |
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| 32, North Street238 m away | 66 m² | 101 m² | +35 m² +53% | 2014 |
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| 67, Bold Street264 m away | 33 m² | 68 m² | +35 m² +106% | 2010 |
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| 40, Dronsfield Road874 m away | 120 m² | 154 m² | +34 m² +28% | 2025 |
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| 54, North Church Street371 m away | 66 m² | 100 m² | +34 m² +52% | 2019 |
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| 35, North Albion Street395 m away | 59 m² | 93 m² | +34 m² +58% | 2016 |
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| 20, Oak Street609 m away | 74 m² | 108 m² | +34 m² +46% | 2014 |
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| 24, Blakiston Street212 m away | 85 m² | 119 m² | +34 m² +40% | 2013 |
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| 9, Wolsley Road823 m away | 72 m² | 105 m² | +33 m² +46% | 2026 |
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| 12, Lowther Road643 m away | 109 m² | 142 m² | +33 m² +30% | 2025 |
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| 68, Mount Street239 m away | 68 m² | 101 m² | +33 m² +49% | 2021 |
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| 53, Addison Road733 m away | 74 m² | 107 m² | +33 m² +45% | 2015 |
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| 2, Hollywood Grove861 m away | 95 m² | 128 m² | +33 m² +35% | 2014 |
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| 101, Addison Road924 m away | 34 m² | 66 m² | +32 m² +94% | 2024 |
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| 25, Harris Street107 m away | 81 m² | 113 m² | +32 m² +40% | 2019 |
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| 7, Galloway Road641 m away | 115 m² | 147 m² | +32 m² +28% | 2013 |
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| 47, North Albert Street389 m away | 99 m² | 130 m² | +31 m² +31% | 2021 |
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| 45, Victoria Street232 m away | 98 m² | 129 m² | +31 m² +32% | 2020 |
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| 109, London Street0 m away | 27 m² | 58 m² | +31 m² +115% | 2016 |
|---|
| 18, Belmont Road691 m away | 63 m² | 94 m² | +31 m² +49% | 2015 |
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| 10, Gordon Road920 m away | 81 m² | 111 m² | +30 m² +37% | 2017 |
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| 122, Mount Street140 m away | 81 m² | 111 m² | +30 m² +37% | 2015 |
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| 64, North Church Street371 m away | 176 m² | 206 m² | +30 m² +17% | 2014 |
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| 6, Wolsley Road823 m away | 79 m² | 108 m² | +29 m² +37% | 2024 |
|---|
| 120, London Street0 m away | 37 m² | 66 m² | +29 m² +78% | 2013 |
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| 11, Seabank Road184 m away | 102 m² | 130 m² | +28 m² +27% | 2016 |
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| 80, Poulton Street249 m away | 80 m² | 108 m² | +28 m² +35% | 2015 |
|---|
| 2, North Albion Street442 m away | 56 m² | 84 m² | +28 m² +50% | 2014 |
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| 5, Quayside628 m away | 96 m² | 123 m² | +27 m² +28% | 2016 |
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| 8, Willow Street550 m away | 96 m² | 123 m² | +27 m² +28% | 2015 |
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| 66, Radcliffe Road714 m away | 81 m² | 108 m² | +27 m² +33% | 2014 |
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| 95, Bold Street264 m away | 19 m² | 46 m² | +27 m² +142% | 2013 |
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| 9, Byron Street276 m away | 41 m² | 68 m² | +27 m² +66% | 2011 |
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| 111, Bold Street264 m away | 45 m² | 72 m² | +27 m² +60% | 2009 |
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| 180, Poulton Road835 m away | 102 m² | 128 m² | +26 m² +25% | 2017 |
|---|
| 39, Styan Street329 m away | 98 m² | 124 m² | +26 m² +27% | 2015 |
|---|
| 80, Mount Street239 m away | 72 m² | 98 m² | +26 m² +36% | 2014 |
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| 2, Balmoral Terrace308 m away | 21 m² | 47 m² | +26 m² +124% | 2009 |
|---|
| 7, Carr Road534 m away | 109 m² | 134 m² | +25 m² +23% | 2021 |
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| 32, Gordon Road920 m away | 71 m² | 96 m² | +25 m² +35% | 2021 |
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| 92, Poulton Street249 m away | 64 m² | 89 m² | +25 m² +39% | 2020 |
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| 5, Harbour Way692 m away | 78 m² | 103 m² | +25 m² +32% | 2020 |
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| Flat 4, 10, Windsor Terrace356 m away | 25 m² | 50 m² | +25 m² +100% | 2018 |
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| 24, Abbotts Walk329 m away | 76 m² | 101 m² | +25 m² +33% | 2016 |
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| 20, Ash Street463 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| 53, Carr Road503 m away | 104 m² | 129 m² | +25 m² +24% | 2014 |
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| 64, Abbotts Walk420 m away | 84 m² | 108 m² | +24 m² +29% | 2026 |
|---|
| 7, Poulton Street297 m away | 87 m² | 111 m² | +24 m² +28% | 2021 |
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| A home on The Esplanade312 m away | 30 m² | 54 m² | +24 m² +80% | 2021 |
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| 61, Belmont Road691 m away | 75 m² | 99 m² | +24 m² +32% | 2016 |
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| 8, Harris Street107 m away | 114 m² | 138 m² | +24 m² +21% | 2014 |
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| 15, Windsor Place339 m away | 40 m² | 64 m² | +24 m² +60% | 2013 |
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| 26, Cross Street328 m away | 50 m² | 73 m² | +23 m² +46% | 2020 |
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| 101, Warren Street201 m away | 91 m² | 114 m² | +23 m² +25% | 2016 |
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| 9, Milton Street414 m away | 100 m² | 123 m² | +23 m² +23% | 2014 |
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| 7, Gordon Road920 m away | 78 m² | 101 m² | +23 m² +29% | 2014 |
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| 31, Harris Street107 m away | 97 m² | 119 m² | +22 m² +23% | 2016 |
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| 10, Belmont Road691 m away | 65 m² | 87 m² | +22 m² +34% | 2016 |
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| 92, Kemp Street166 m away | 95 m² | 117 m² | +22 m² +23% | 2015 |
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| 18, Oak Street609 m away | 86 m² | 108 m² | +22 m² +26% | 2014 |
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| 85, Bold Street264 m away | 15 m² | 37 m² | +22 m² +147% | 2013 |
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| 71, Bayside569 m away | 52 m² | 73 m² | +21 m² +40% | 2024 |
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| 78, Adelaide Street202 m away | 88 m² | 109 m² | +21 m² +24% | 2022 |
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| 11, Poulton Road387 m away | 104 m² | 125 m² | +21 m² +20% | 2015 |
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| 16, Arthur Street443 m away | 64 m² | 85 m² | +21 m² +33% | 2015 |
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| 13, Lower Lune Street491 m away | 63 m² | 84 m² | +21 m² +33% | 2015 |
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| 132, Darbishire Road535 m away | 117 m² | 137 m² | +20 m² +17% | 2023 |
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| 19, Harris Street107 m away | 108 m² | 128 m² | +20 m² +19% | 2022 |
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| 69, Blakiston Street142 m away | 67 m² | 87 m² | +20 m² +30% | 2021 |
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| 12, Byron Street276 m away | 104 m² | 124 m² | +20 m² +19% | 2021 |
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| 29, Queens Terrace532 m away | 96 m² | 116 m² | +20 m² +21% | 2014 |
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| 29, Warren Avenue South734 m away | 88 m² | 108 m² | +20 m² +23% | 2014 |
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| 38, Pharos Street293 m away | 57 m² | 77 m² | +20 m² +35% | 2010 |
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| 3, Kent Street454 m away | 36 m² | 56 m² | +20 m² +56% | 2009 |
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| 22, Abbotts Walk329 m away | 66 m² | 85 m² | +19 m² +29% | 2026 |
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| 2, Hesketh Place63 m away | 120 m² | 139 m² | +19 m² +16% | 2024 |
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| 73a, Poulton Road518 m away | 32 m² | 51 m² | +19 m² +59% | 2021 |
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| 6, Balmoral Terrace308 m away | 29 m² | 48 m² | +19 m² +66% | 2019 |
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| 76, London Street166 m away | 35 m² | 54 m² | +19 m² +54% | 2015 |
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| 76, Harris Street282 m away | 92 m² | 111 m² | +19 m² +21% | 2015 |
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| 2a, Lower Lune Street491 m away | 85 m² | 104 m² | +19 m² +22% | 2015 |
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| 65, Victoria Street232 m away | 60 m² | 79 m² | +19 m² +32% | 2014 |
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| 13, Balmoral Terrace308 m away | 41 m² | 60 m² | +19 m² +46% | 2010 |
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| 43, Preston Street192 m away | 74 m² | 92 m² | +18 m² +24% | 2025 |
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| 32, Oak Street609 m away | 104 m² | 122 m² | +18 m² +17% | 2023 |
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| 157, Poulton Road753 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
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| 135, Promenade Road222 m away | 115 m² | 133 m² | +18 m² +16% | 2022 |
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| 11, Dryden Road414 m away | 82 m² | 100 m² | +18 m² +22% | 2018 |
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| 11, Mount Road155 m away | 71 m² | 89 m² | +18 m² +25% | 2017 |
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| 50, Abbotts Walk420 m away | 95 m² | 113 m² | +18 m² +19% | 2016 |
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| 16, Styan Street401 m away | 73 m² | 91 m² | +18 m² +25% | 2015 |
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| 11, Styan Street401 m away | 83 m² | 101 m² | +18 m² +22% | 2015 |
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| 85, Preston Street192 m away | 76 m² | 94 m² | +18 m² +24% | 2014 |
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| 5, Balmoral Terrace308 m away | 15 m² | 33 m² | +18 m² +120% | 2013 |
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| 5, Windsor Place339 m away | 17 m² | 35 m² | +18 m² +106% | 2013 |
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| 111, London Street0 m away | 30 m² | 48 m² | +18 m² +60% | 2010 |
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| 23a, Shakespeare Road987 m away | 39 m² | 56 m² | +17 m² +44% | 2025 |
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| 4, Dock Street578 m away | 55 m² | 72 m² | +17 m² +31% | 2024 |
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| 56, Abbotts Walk420 m away | 95 m² | 112 m² | +17 m² +18% | 2023 |
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| 110, Addison Road924 m away | 67 m² | 84 m² | +17 m² +25% | 2021 |
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| 24, The Esplanade312 m away | 40 m² | 57 m² | +17 m² +43% | 2017 |
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| 22, Belmont Road691 m away | 72 m² | 89 m² | +17 m² +24% | 2016 |
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| 49, Belmont Road691 m away | 85 m² | 102 m² | +17 m² +20% | 2016 |
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| 48, Milton Street340 m away | 33 m² | 50 m² | +17 m² +52% | 2014 |
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| 18, Queens Terrace532 m away | 41 m² | 58 m² | +17 m² +41% | 2014 |
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| 41, Bayside569 m away | 51 m² | 68 m² | +17 m² +33% | 2013 |
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| 86, Promenade Road222 m away | 93 m² | 109 m² | +16 m² +17% | 2025 |
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| 63, Dronsfield Road856 m away | 71 m² | 87 m² | +16 m² +23% | 2025 |
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| 74, Blakiston Street58 m away | 102 m² | 118 m² | +16 m² +16% | 2024 |
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| 60, Mount Street239 m away | 62 m² | 78 m² | +16 m² +26% | 2023 |
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| 75, Walmsley Street280 m away | 89 m² | 105 m² | +16 m² +18% | 2016 |
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| 16, Tennyson Road422 m away | 101 m² | 117 m² | +16 m² +16% | 2016 |
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| 41, Belmont Road691 m away | 74 m² | 90 m² | +16 m² +22% | 2016 |
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| 24, Hamlet Road990 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 10, Albert Street425 m away | 90 m² | 106 m² | +16 m² +18% | 2015 |
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| 87, Bold Street264 m away | 20 m² | 36 m² | +16 m² +80% | 2013 |
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| Flat 11, Bleasdale Court, 21 - 24, Queens Terrace533 m away | 48 m² | 63 m² | +15 m² +31% | 2025 |
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| 39, Quayside628 m away | 43 m² | 58 m² | +15 m² +35% | 2024 |
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| 44, Church Street380 m away | 45 m² | 60 m² | +15 m² +33% | 2023 |
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| 29, Seabank Road184 m away | 86 m² | 101 m² | +15 m² +17% | 2022 |
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| 3, Gordon Road920 m away | 71 m² | 86 m² | +15 m² +21% | 2014 |
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| 71, Park Avenue923 m away | 67 m² | 82 m² | +15 m² +22% | 2014 |
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| 114, London Street0 m away | 32 m² | 47 m² | +15 m² +47% | 2013 |
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| 12, Balmoral Terrace308 m away | 32 m² | 47 m² | +15 m² +47% | 2013 |
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| 127a, Blakiston Street351 m away | 28 m² | 43 m² | +15 m² +54% | 2013 |
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| 28, Poulton Road387 m away | 89 m² | 104 m² | +15 m² +17% | 2013 |
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