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 NN2 6EQ
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 |
|---|---|---|---|---|
| Chaucers Cottage, Brick Kiln Lane388 m away | 85 m² | 204 m² | +119 m² +140% | 2024 |
| 25, Kingsthorpe Grove727 m away | 100 m² | 200 m² | +100 m² +100% | 2019 |
| 123, Milton Street North762 m away | 92 m² | 173 m² | +81 m² +88% | 2021 |
| 120, Kingsthorpe Grove424 m away | 117 m² | 188 m² | +71 m² +61% | 2022 |
| 149, Kingsley Road462 m away | 45 m² | 112 m² | +67 m² +149% | 2023 |
| 51, Poole Street844 m away | 74 m² | 140 m² | +66 m² +89% | 2021 |
| 42, St Georges Avenue365 m away | 120 m² | 183 m² | +63 m² +53% | 2026 |
| 3, Balfour Road194 m away | 83 m² | 146 m² | +63 m² +76% | 2021 |
| 68, Kingsley Road843 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.
| 187 m² |
| 247 m² |
| +60 m² +32% |
| 2023 |
| 52, Craven Street966 m away | 85 m² | 144 m² | +59 m² +69% | 2013 |
|---|
| 113, Clarence Avenue575 m away | 171 m² | 229 m² | +58 m² +34% | 2020 |
|---|
| 70, Kingsley Road843 m away | 200 m² | 258 m² | +58 m² +29% | 2020 |
|---|
| 84, St Georges Avenue651 m away | 206 m² | 263 m² | +57 m² +28% | 2022 |
|---|
| 20, Knightley Road453 m away | 87 m² | 138 m² | +51 m² +59% | 2021 |
|---|
| 12, Hester Street761 m away | 212 m² | 262 m² | +50 m² +24% | 2026 |
|---|
| 20, Oakley Street932 m away | 35 m² | 85 m² | +50 m² +143% | 2021 |
|---|
| 127, Stanhope Road235 m away | 50 m² | 100 m² | +50 m² +100% | 2018 |
|---|
| 12, Oakley Street932 m away | 74 m² | 123 m² | +49 m² +66% | 2016 |
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| 73, Queens Park Parade682 m away | 198 m² | 246 m² | +48 m² +24% | 2021 |
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| 30, Greenview Drive980 m away | 45 m² | 92 m² | +47 m² +104% | 2026 |
|---|
| 20, St Georges Place501 m away | 130 m² | 177 m² | +47 m² +36% | 2019 |
|---|
| 44, Murray Avenue407 m away | 65 m² | 111 m² | +46 m² +71% | 2022 |
|---|
| 11, Clarence Avenue410 m away | 158 m² | 204 m² | +46 m² +29% | 2022 |
|---|
| 59, Cecil Road429 m away | 104 m² | 148 m² | +44 m² +42% | 2025 |
|---|
| 107, Kingsley Road462 m away | 94 m² | 138 m² | +44 m² +47% | 2023 |
|---|
| 47, Colwyn Road846 m away | 166 m² | 209 m² | +43 m² +26% | 2021 |
|---|
| 117, Hunter Street900 m away | 88 m² | 129 m² | +41 m² +47% | 2023 |
|---|
| 54, Trinity Avenue317 m away | 91 m² | 131 m² | +40 m² +44% | 2020 |
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| 64, Semilong Road696 m away | 113 m² | 153 m² | +40 m² +35% | 2020 |
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| 104, Semilong Road521 m away | 128 m² | 167 m² | +39 m² +30% | 2023 |
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| 114, Colwyn Road925 m away | 101 m² | 140 m² | +39 m² +39% | 2022 |
|---|
| 131, Colwyn Road926 m away | 57 m² | 96 m² | +39 m² +68% | 2015 |
|---|
| 6, St Pauls Road508 m away | 125 m² | 163 m² | +38 m² +30% | 2010 |
|---|
| 31, Balmoral Road316 m away | 91 m² | 128 m² | +37 m² +41% | 2021 |
|---|
| 89, Oliver Street898 m away | 82 m² | 119 m² | +37 m² +45% | 2015 |
|---|
| 27, Burns Street913 m away | 40 m² | 76 m² | +36 m² +90% | 2018 |
|---|
| 94, Colwyn Road925 m away | 79 m² | 115 m² | +36 m² +46% | 2018 |
|---|
| 155, Clarence Avenue575 m away | 57 m² | 93 m² | +36 m² +63% | 2017 |
|---|
| 58, Kingsley Road843 m away | 215 m² | 250 m² | +35 m² +16% | 2021 |
|---|
| 46, St Davids Road701 m away | 69 m² | 104 m² | +35 m² +51% | 2014 |
|---|
| 60, Louise Road861 m away | 75 m² | 110 m² | +35 m² +47% | 2014 |
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| 36, Austin Street894 m away | 75 m² | 110 m² | +35 m² +47% | 2014 |
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| 90, Gordon Street807 m away | 75 m² | 109 m² | +34 m² +45% | 2025 |
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| 79, Semilong Road586 m away | 92 m² | 126 m² | +34 m² +37% | 2024 |
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| 65, Murray Avenue407 m away | 74 m² | 108 m² | +34 m² +46% | 2012 |
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| 3, Salisbury Street864 m away | 65 m² | 98 m² | +33 m² +51% | 2026 |
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| 21, Austin Street894 m away | 41 m² | 74 m² | +33 m² +80% | 2025 |
|---|
| 99, Lower Adelaide Street947 m away | 118 m² | 151 m² | +33 m² +28% | 2019 |
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| 75, Semilong Road586 m away | 75 m² | 108 m² | +33 m² +44% | 2012 |
|---|
| 42, Hunter Street924 m away | 68 m² | 100 m² | +32 m² +47% | 2020 |
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| 61, Queens Park Parade495 m away | 124 m² | 156 m² | +32 m² +26% | 2015 |
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| 23, Clarence Avenue410 m away | 101 m² | 133 m² | +32 m² +32% | 2011 |
|---|
| 108, Balfour Road127 m away | 93 m² | 124 m² | +31 m² +33% | 2024 |
|---|
| 40, St Georges Avenue365 m away | 141 m² | 172 m² | +31 m² +22% | 2024 |
|---|
| 98, Semilong Road586 m away | 110 m² | 141 m² | +31 m² +28% | 2024 |
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| 56, Kingsthorpe Grove686 m away | 167 m² | 198 m² | +31 m² +19% | 2024 |
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| 7, Kingsthorpe Grove727 m away | 156 m² | 187 m² | +31 m² +20% | 2023 |
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| 11, Gordon Street819 m away | 81 m² | 112 m² | +31 m² +38% | 2023 |
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| 6, Stanhope Road209 m away | 78 m² | 108 m² | +30 m² +38% | 2025 |
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| 138, Kingsley Road666 m away | 94 m² | 124 m² | +30 m² +32% | 2024 |
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| 1b, Lower Hester Street891 m away | 48 m² | 78 m² | +30 m² +63% | 2022 |
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| 14, St Pauls Road508 m away | 90 m² | 120 m² | +30 m² +33% | 2020 |
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| 117, Queens Park Parade682 m away | 105 m² | 135 m² | +30 m² +29% | 2020 |
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| 101, Kingsley Road462 m away | 56 m² | 86 m² | +30 m² +54% | 2018 |
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| 12, Carlton Road903 m away | 81 m² | 111 m² | +30 m² +37% | 2018 |
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| Flat 2, Primrose Hill Church, Agnes Road456 m away | 127 m² | 156 m² | +29 m² +23% | 2023 |
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| 17, Masefield Way668 m away | 48 m² | 77 m² | +29 m² +60% | 2015 |
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| 19, Bembridge Drive684 m away | 88 m² | 117 m² | +29 m² +33% | 2014 |
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| 28, Stanhope Road209 m away | 74 m² | 102 m² | +28 m² +38% | 2023 |
|---|
| 83, Semilong Road586 m away | 87 m² | 115 m² | +28 m² +32% | 2020 |
|---|
| 29, Balmoral Road316 m away | 130 m² | 158 m² | +28 m² +22% | 2019 |
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| 36, Edinburgh Road393 m away | 87 m² | 114 m² | +27 m² +31% | 2026 |
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| 56, Balmoral Road284 m away | 90 m² | 117 m² | +27 m² +30% | 2025 |
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| 23, St Davids Road724 m away | 105 m² | 132 m² | +27 m² +26% | 2025 |
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| 67, Baker Street756 m away | 64 m² | 91 m² | +27 m² +42% | 2023 |
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| 26, Oakley Street932 m away | 83 m² | 110 m² | +27 m² +33% | 2014 |
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| 162, Balfour Road127 m away | 76 m² | 103 m² | +27 m² +36% | 2009 |
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| 108, St Georges Avenue651 m away | 42 m² | 69 m² | +27 m² +64% | 2008 |
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| 2, Kingsley Gardens612 m away | 111 m² | 137 m² | +26 m² +23% | 2026 |
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| 78, Lower Hester Street889 m away | 50 m² | 76 m² | +26 m² +52% | 2022 |
|---|
| 8, Oliver Street865 m away | 97 m² | 123 m² | +26 m² +27% | 2021 |
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| 121, Colwyn Road926 m away | 30 m² | 56 m² | +26 m² +87% | 2019 |
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| 76, Balmoral Road284 m away | 94 m² | 120 m² | +26 m² +28% | 2018 |
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| 18, Tollgate Close971 m away | 136 m² | 162 m² | +26 m² +19% | 2016 |
|---|
| 13, Edinburgh Road393 m away | 106 m² | 131 m² | +25 m² +24% | 2022 |
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| 23, St Pauls Road508 m away | 152 m² | 177 m² | +25 m² +16% | 2021 |
|---|
| 22, St Georges Place501 m away | 147 m² | 172 m² | +25 m² +17% | 2019 |
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| 81, Baker Street756 m away | 69 m² | 94 m² | +25 m² +36% | 2016 |
|---|
| 49, Hood Street987 m away | 131 m² | 155 m² | +24 m² +18% | 2021 |
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| 53, Balmoral Road300 m away | 82 m² | 105 m² | +23 m² +28% | 2019 |
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| 73, Eastern Avenue South950 m away | 81 m² | 104 m² | +23 m² +28% | 2014 |
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| 33b, Junction Road892 m away | 102 m² | 124 m² | +22 m² +22% | 2025 |
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| Flat 14, Webbs Factory, Brockton Street62 m away | 74 m² | 96 m² | +22 m² +30% | 2023 |
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| Flat 4, Primrose Hill Church, Agnes Road456 m away | 127 m² | 149 m² | +22 m² +17% | 2023 |
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| 21, Stanley Street777 m away | 70 m² | 92 m² | +22 m² +31% | 2022 |
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| 83, Colwyn Road926 m away | 22 m² | 44 m² | +22 m² +100% | 2014 |
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| 53, Langdale Road823 m away | 70 m² | 92 m² | +22 m² +31% | 2013 |
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| 66, Lower Hester Street889 m away | 73 m² | 94 m² | +21 m² +29% | 2025 |
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| 43, Stanhope Road235 m away | 81 m² | 102 m² | +21 m² +26% | 2024 |
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| 171, Milton Street North661 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
|---|
| 66, Cecil Road424 m away | 82 m² | 103 m² | +21 m² +26% | 2023 |
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| 29, Austin Street894 m away | 65 m² | 86 m² | +21 m² +32% | 2023 |
|---|
| 53, Freehold Street332 m away | 70 m² | 91 m² | +21 m² +30% | 2022 |
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| 47, Poole Street844 m away | 57 m² | 78 m² | +21 m² +37% | 2022 |
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| 15, Masefield Way668 m away | 45 m² | 66 m² | +21 m² +47% | 2015 |
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| 12, Northcote Street915 m away | 82 m² | 103 m² | +21 m² +26% | 2012 |
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| 124, Balmoral Road284 m away | 83 m² | 103 m² | +20 m² +24% | 2025 |
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| 34, Burns Street913 m away | 106 m² | 126 m² | +20 m² +19% | 2025 |
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| 14, Balfour Road194 m away | 84 m² | 104 m² | +20 m² +24% | 2024 |
|---|
| 9, St Georges Place501 m away | 132 m² | 152 m² | +20 m² +15% | 2021 |
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| 14, Branksome Avenue659 m away | 86 m² | 106 m² | +20 m² +23% | 2020 |
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| 46, Milton Street943 m away | 64 m² | 84 m² | +20 m² +31% | 2019 |
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| 68, Louise Road861 m away | 70 m² | 89 m² | +19 m² +27% | 2026 |
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| 103, Balfour Road79 m away | 95 m² | 114 m² | +19 m² +20% | 2024 |
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| 35, Essex Street679 m away | 68 m² | 87 m² | +19 m² +28% | 2021 |
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| 77, Hunter Street900 m away | 77 m² | 96 m² | +19 m² +25% | 2020 |
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| 38, Lorne Road919 m away | 63 m² | 82 m² | +19 m² +30% | 2020 |
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| 45, Clarence Avenue410 m away | 115 m² | 134 m² | +19 m² +17% | 2017 |
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| 34, Tollgate Close971 m away | 100 m² | 119 m² | +19 m² +19% | 2016 |
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| 159, Milton Street North661 m away | 73 m² | 92 m² | +19 m² +26% | 2013 |
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| 6, Hester Street761 m away | 40 m² | 59 m² | +19 m² +48% | 2009 |
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| 15, Kingsley Road602 m away | 94 m² | 112 m² | +18 m² +19% | 2024 |
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| 47, Byron Street994 m away | 90 m² | 108 m² | +18 m² +20% | 2023 |
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| 28, Homestead Way565 m away | 104 m² | 122 m² | +18 m² +17% | 2022 |
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| 52, Cambridge Street707 m away | 65 m² | 83 m² | +18 m² +28% | 2020 |
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| 5, Leicester Street819 m away | 77 m² | 95 m² | +18 m² +23% | 2018 |
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| 9, Lyncroft Way702 m away | 58 m² | 76 m² | +18 m² +31% | 2014 |
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| 9, Murray Avenue407 m away | 87 m² | 105 m² | +18 m² +21% | 2013 |
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| 99, St Davids Road724 m away | 64 m² | 82 m² | +18 m² +28% | 2012 |
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| 96, Gordon Street807 m away | 54 m² | 72 m² | +18 m² +33% | 2009 |
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| 60, Romany Road648 m away | 92 m² | 109 m² | +17 m² +18% | 2026 |
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| 78, Eastern Avenue South953 m away | 62 m² | 79 m² | +17 m² +27% | 2025 |
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| 86, Baker Street734 m away | 73 m² | 90 m² | +17 m² +23% | 2024 |
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| 25, Stanley Street777 m away | 68 m² | 85 m² | +17 m² +25% | 2023 |
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| 24, Stanhope Road209 m away | 77 m² | 94 m² | +17 m² +22% | 2022 |
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| 14, Stanhope Road209 m away | 89 m² | 106 m² | +17 m² +19% | 2021 |
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| 71, Queens Park Parade682 m away | 86 m² | 103 m² | +17 m² +20% | 2019 |
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| 11, Oliver Street898 m away | 75 m² | 92 m² | +17 m² +23% | 2013 |
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| 52, Oliver Street865 m away | 105 m² | 122 m² | +17 m² +16% | 2009 |
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| 7, Brockton Street0 m away | 93 m² | 109 m² | +16 m² +17% | 2023 |
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| 59, Lower Hester Street891 m away | 77 m² | 93 m² | +16 m² +21% | 2022 |
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| 5, Primrose Hill502 m away | 43 m² | 59 m² | +16 m² +37% | 2021 |
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| 125, Eastern Avenue South950 m away | 77 m² | 93 m² | +16 m² +21% | 2021 |
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| 48, Poole Street844 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 28, Carlton Road903 m away | 94 m² | 110 m² | +16 m² +17% | 2014 |
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| 76, Freehold Street332 m away | 77 m² | 93 m² | +16 m² +21% | 2012 |
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| 107, Milton Street North762 m away | 67 m² | 82 m² | +15 m² +22% | 2025 |
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| 70, Kingsthorpe Grove686 m away | 73 m² | 88 m² | +15 m² +21% | 2024 |
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| 65, Baker Street756 m away | 76 m² | 91 m² | +15 m² +20% | 2024 |
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| 47, Thornton Road617 m away | 74 m² | 89 m² | +15 m² +20% | 2022 |
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| 47, Louise Road874 m away | 72 m² | 87 m² | +15 m² +21% | 2022 |
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| Flat 3, Watkin Court, Watkin Terrace794 m away | 40 m² | 55 m² | +15 m² +38% | 2011 |
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