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 BN2 9WB
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 |
|---|---|---|---|---|
| 3, Kingscote Way687 m away | 137 m² | 336 m² | +199 m² +145% | 2025 |
| 24, West Drive315 m away | 86 m² | 201 m² | +115 m² +134% | 2022 |
| 22, South Avenue579 m away | 162 m² | 263 m² | +101 m² +62% | 2026 |
| 29, Albion Hill87 m away | 78 m² | 176 m² | +98 m² +126% | 2025 |
| 22, West Drive315 m away | 115 m² | 212 m² | +97 m² +84% | 2016 |
| 99a, North Road624 m away | 95 m² | 179 m² | +84 m² +88% | 2020 |
| 15, Freshfield Place586 m away | 99 m² | 178 m² | +79 m² +80% | 2019 |
| 1, Wyndham Street933 m away | 55 m² | 130 m² | +75 m² +136% | 2020 |
| 36, Marine Parade915 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.
| 376 m² |
| +71 m² +23% |
| 2014 |
| 116, Bonchurch Road789 m away | 135 m² | 205 m² | +70 m² +52% | 2025 |
|---|
| Flat 5, 12 - 14, Wellington Road567 m away | 66 m² | 135 m² | +69 m² +105% | 2019 |
|---|
| 12, Park Crescent Terrace631 m away | 57 m² | 125 m² | +68 m² +119% | 2015 |
|---|
| 11, Holland Street0 m away | 59 m² | 126 m² | +67 m² +114% | 2023 |
|---|
| 210, Elm Grove805 m away | 135 m² | 201 m² | +66 m² +49% | 2024 |
|---|
| 47a, Lewes Road759 m away | 82 m² | 147 m² | +65 m² +79% | 2020 |
|---|
| 1, Coleman Street273 m away | 57 m² | 122 m² | +65 m² +114% | 2019 |
|---|
| 82, Queens Park Road336 m away | 89 m² | 152 m² | +63 m² +71% | 2021 |
|---|
| 164, Freshfield Road720 m away | 73 m² | 136 m² | +63 m² +86% | 2009 |
|---|
| 54, George Street737 m away | 105 m² | 167 m² | +62 m² +59% | 2019 |
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| 171, Queens Park Road234 m away | 103 m² | 164 m² | +61 m² +59% | 2019 |
|---|
| 18, Walpole Terrace943 m away | 192 m² | 253 m² | +61 m² +32% | 2019 |
|---|
| 36, Stroudley Road979 m away | 74 m² | 135 m² | +61 m² +82% | 2011 |
|---|
| 34, Islingword Place391 m away | 64 m² | 124 m² | +60 m² +94% | 2024 |
|---|
| 129, Ditchling Road861 m away | 134 m² | 193 m² | +59 m² +44% | 2023 |
|---|
| The Albemarle, Marine Parade948 m away | 53 m² | 112 m² | +59 m² +111% | 2011 |
|---|
| 148, Queens Park Road262 m away | 49 m² | 107 m² | +58 m² +118% | 2014 |
|---|
| 2, Crown Gardens991 m away | 52 m² | 109 m² | +57 m² +110% | 2023 |
|---|
| 21, Hanover Crescent359 m away | 167 m² | 224 m² | +57 m² +34% | 2020 |
|---|
| 50, Viaduct Road799 m away | 60 m² | 117 m² | +57 m² +95% | 2020 |
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| 78, Richmond Road997 m away | 93 m² | 150 m² | +57 m² +61% | 2018 |
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| 9, Princes Crescent857 m away | 39 m² | 95 m² | +56 m² +144% | 2010 |
|---|
| 28 - 29, Richmond Place334 m away | 68 m² | 122 m² | +54 m² +79% | 2024 |
|---|
| 20, Bernard Road891 m away | 49 m² | 103 m² | +54 m² +110% | 2019 |
|---|
| 25, Bristol Road996 m away | 112 m² | 166 m² | +54 m² +48% | 2009 |
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| 60, Richmond Road997 m away | 171 m² | 224 m² | +53 m² +31% | 2026 |
|---|
| 1, Hartington Road939 m away | 41 m² | 94 m² | +53 m² +129% | 2021 |
|---|
| 86a, St James'S Street825 m away | 38 m² | 91 m² | +53 m² +139% | 2019 |
|---|
| 15, Cromwell Street734 m away | 47 m² | 100 m² | +53 m² +113% | 2017 |
|---|
| 55, Hartington Road939 m away | 105 m² | 158 m² | +53 m² +50% | 2016 |
|---|
| 173, Freshfield Road679 m away | 55 m² | 107 m² | +52 m² +95% | 2023 |
|---|
| 57, Totland Road903 m away | 98 m² | 150 m² | +52 m² +53% | 2017 |
|---|
| Book House, 25, Marlborough Place627 m away | 45 m² | 96 m² | +51 m² +113% | 2023 |
|---|
| 18, Hartington Road924 m away | 152 m² | 203 m² | +51 m² +34% | 2022 |
|---|
| The Mucky Duck, 7 - 9, Manchester Street883 m away | 65 m² | 116 m² | +51 m² +78% | 2020 |
|---|
| 29, Queens Park Road320 m away | 55 m² | 106 m² | +51 m² +93% | 2014 |
|---|
| 16, Freshfield Place586 m away | 76 m² | 127 m² | +51 m² +67% | 2014 |
|---|
| 2, Guildford Street945 m away | 58 m² | 109 m² | +51 m² +88% | 2010 |
|---|
| 59, Upper Lewes Road955 m away | 43 m² | 92 m² | +49 m² +114% | 2020 |
|---|
| 138, Edward Street648 m away | 49 m² | 98 m² | +49 m² +100% | 2019 |
|---|
| 31, Caledonian Road805 m away | 81 m² | 130 m² | +49 m² +60% | 2019 |
|---|
| 37, St James'S Avenue733 m away | 54 m² | 103 m² | +49 m² +91% | 2017 |
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| 9, Coronation Street722 m away | 84 m² | 133 m² | +49 m² +58% | 2012 |
|---|
| 35, Baker Street605 m away | 93 m² | 141 m² | +48 m² +52% | 2024 |
|---|
| 33a, Upper Rock Gardens737 m away | 42 m² | 90 m² | +48 m² +114% | 2020 |
|---|
| 41, Carlyle Street575 m away | 71 m² | 118 m² | +47 m² +66% | 2020 |
|---|
| 183, Lewes Road699 m away | 52 m² | 99 m² | +47 m² +90% | 2017 |
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| 76, Rose Hill Terrace763 m away | 43 m² | 90 m² | +47 m² +109% | 2009 |
|---|
| 166, Freshfield Road720 m away | 73 m² | 119 m² | +46 m² +63% | 2014 |
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| 20, Wellington Road567 m away | 54 m² | 99 m² | +45 m² +83% | 2024 |
|---|
| 6, Upper Wellington Road773 m away | 89 m² | 134 m² | +45 m² +51% | 2024 |
|---|
| 20, Guildford Road952 m away | 42 m² | 87 m² | +45 m² +107% | 2023 |
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| 5, Fairlight Place855 m away | 40 m² | 85 m² | +45 m² +113% | 2018 |
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| 80, Queens Park Rise664 m away | 104 m² | 148 m² | +44 m² +42% | 2025 |
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| 65, Bonchurch Road756 m away | 103 m² | 147 m² | +44 m² +43% | 2025 |
|---|
| 50, Belgrave Street115 m away | 70 m² | 114 m² | +44 m² +63% | 2022 |
|---|
| 24, Brading Road839 m away | 79 m² | 123 m² | +44 m² +56% | 2022 |
|---|
| 99, Hanover Terrace306 m away | 105 m² | 149 m² | +44 m² +42% | 2018 |
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| Flat 96, Embankment House, 7, Fleet Street790 m away | 78 m² | 122 m² | +44 m² +56% | 2015 |
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| 62, Roundhill Crescent931 m away | 43 m² | 87 m² | +44 m² +102% | 2013 |
|---|
| 15, Freshfield Street591 m away | 72 m² | 115 m² | +43 m² +60% | 2024 |
|---|
| 105, Queensway767 m away | 82 m² | 125 m² | +43 m² +52% | 2023 |
|---|
| 207, Freshfield Road679 m away | 98 m² | 141 m² | +43 m² +44% | 2021 |
|---|
| Flat 30, Old College House, 8 - 10, Richmond Terrace314 m away | 142 m² | 185 m² | +43 m² +30% | 2020 |
|---|
| 100, Shaftesbury Road995 m away | 44 m² | 87 m² | +43 m² +98% | 2014 |
|---|
| 33, Upper Rock Gardens737 m away | 50 m² | 93 m² | +43 m² +86% | 2012 |
|---|
| Flat 1, 36, Devonshire Place704 m away | 40 m² | 82 m² | +42 m² +105% | 2026 |
|---|
| 2, West Drive355 m away | 226 m² | 268 m² | +42 m² +19% | 2025 |
|---|
| 7a, St Georges Place435 m away | 57 m² | 99 m² | +42 m² +74% | 2021 |
|---|
| 21, Viaduct Road797 m away | 91 m² | 133 m² | +42 m² +46% | 2021 |
|---|
| Flat 2, Kemptown House, 72, Carlton Hill488 m away | 64 m² | 106 m² | +42 m² +66% | 2018 |
|---|
| 38, Egremont Place560 m away | 39 m² | 81 m² | +42 m² +108% | 2009 |
|---|
| 20, Madeira Place876 m away | 39 m² | 80 m² | +41 m² +105% | 2021 |
|---|
| 30, Clifton Street952 m away | 100 m² | 141 m² | +41 m² +41% | 2021 |
|---|
| 30, Caledonian Road805 m away | 85 m² | 126 m² | +41 m² +48% | 2020 |
|---|
| 52, Viaduct Road799 m away | 100 m² | 141 m² | +41 m² +41% | 2019 |
|---|
| 26, Bentham Road513 m away | 41 m² | 82 m² | +41 m² +100% | 2018 |
|---|
| 3, Elm Grove527 m away | 92 m² | 133 m² | +41 m² +45% | 2011 |
|---|
| 21, Islingword Street213 m away | 112 m² | 152 m² | +40 m² +36% | 2023 |
|---|
| 71, Cobden Road431 m away | 93 m² | 133 m² | +40 m² +43% | 2023 |
|---|
| 64, Southampton Street192 m away | 91 m² | 131 m² | +40 m² +44% | 2022 |
|---|
| 38, De Montfort Road628 m away | 102 m² | 142 m² | +40 m² +39% | 2021 |
|---|
| 9, Park Crescent Road714 m away | 89 m² | 129 m² | +40 m² +45% | 2019 |
|---|
| 297, Queens Park Road721 m away | 30 m² | 70 m² | +40 m² +133% | 2010 |
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| 51, Islingword Road368 m away | 87 m² | 126 m² | +39 m² +45% | 2026 |
|---|
| 192, Elm Grove805 m away | 74 m² | 113 m² | +39 m² +53% | 2026 |
|---|
| 113, Queens Park Road234 m away | 134 m² | 173 m² | +39 m² +29% | 2024 |
|---|
| 75a, Hanover Street327 m away | 83 m² | 122 m² | +39 m² +47% | 2023 |
|---|
| 40, Islingword Road368 m away | 72 m² | 111 m² | +39 m² +54% | 2021 |
|---|
| Flat 2, 6, Franklin Road752 m away | 37 m² | 76 m² | +39 m² +105% | 2021 |
|---|
| 83, Elm Grove527 m away | 98 m² | 137 m² | +39 m² +40% | 2020 |
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| 27, Tillstone Street577 m away | 69 m² | 108 m² | +39 m² +57% | 2020 |
|---|
| 16, Edinburgh Road856 m away | 81 m² | 120 m² | +39 m² +48% | 2019 |
|---|
| 14, Inverness Road930 m away | 85 m² | 124 m² | +39 m² +46% | 2014 |
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| 49, Surrey Street868 m away | 105 m² | 144 m² | +39 m² +37% | 2010 |
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| 86, Washington Street256 m away | 81 m² | 119 m² | +38 m² +47% | 2026 |
|---|
| 6, Egremont Place549 m away | 40 m² | 78 m² | +38 m² +95% | 2025 |
|---|
| 13, Inverness Road930 m away | 86 m² | 124 m² | +38 m² +44% | 2025 |
|---|
| 1, Freshfield Street591 m away | 83 m² | 121 m² | +38 m² +46% | 2023 |
|---|
| 141, Elm Grove716 m away | 105 m² | 143 m² | +38 m² +36% | 2022 |
|---|
| 2, Trinity Street627 m away | 71 m² | 109 m² | +38 m² +54% | 2021 |
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| 102, Richmond Road997 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
|---|
| 4, Coronation Street722 m away | 106 m² | 144 m² | +38 m² +36% | 2020 |
|---|
| 38, Park Crescent Terrace631 m away | 74 m² | 112 m² | +38 m² +51% | 2018 |
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| 28, Buckingham Street963 m away | 43 m² | 81 m² | +38 m² +88% | 2012 |
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| 1, Hanover Crescent359 m away | 227 m² | 265 m² | +38 m² +17% | 2010 |
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| 70, Warleigh Road977 m away | 36 m² | 74 m² | +38 m² +106% | 2010 |
|---|
| 28, Jersey Street56 m away | 108 m² | 145 m² | +37 m² +34% | 2026 |
|---|
| 35, Crescent Road959 m away | 73 m² | 110 m² | +37 m² +51% | 2024 |
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| 61, Ewart Street226 m away | 101 m² | 138 m² | +37 m² +37% | 2021 |
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| 18, Trinity Street627 m away | 101 m² | 138 m² | +37 m² +37% | 2021 |
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| 19, George Street749 m away | 70 m² | 107 m² | +37 m² +53% | 2020 |
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| 57, Viaduct Road799 m away | 36 m² | 73 m² | +37 m² +103% | 2014 |
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| Ground And First Floor Maisonette, 6, Aberdeen Road893 m away | 33 m² | 70 m² | +37 m² +112% | 2014 |
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| 10, Upper Rock Gardens745 m away | 38 m² | 75 m² | +37 m² +97% | 2008 |
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| 91, Southover Street132 m away | 89 m² | 125 m² | +36 m² +40% | 2026 |
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| 93, Bonchurch Road756 m away | 92 m² | 128 m² | +36 m² +39% | 2024 |
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| 32, Bonchurch Road789 m away | 108 m² | 144 m² | +36 m² +33% | 2023 |
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| Flat 88, Embankment House, 7, Fleet Street790 m away | 70 m² | 106 m² | +36 m² +51% | 2015 |
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| 6, St Georges Place435 m away | 46 m² | 82 m² | +36 m² +78% | 2010 |
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| 27, Queens Road949 m away | 58 m² | 94 m² | +36 m² +62% | 2010 |
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| 49, Richmond Street159 m away | 102 m² | 137 m² | +35 m² +34% | 2024 |
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| 9, Hallett Road824 m away | 86 m² | 121 m² | +35 m² +41% | 2024 |
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| 15, Buckingham Street963 m away | 127 m² | 162 m² | +35 m² +28% | 2024 |
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| 21, Tidy Street626 m away | 38 m² | 73 m² | +35 m² +92% | 2023 |
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| 3a, Bond Street862 m away | 138 m² | 173 m² | +35 m² +25% | 2022 |
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| 292, Queens Park Road717 m away | 67 m² | 102 m² | +35 m² +52% | 2019 |
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| 1, Edinburgh Road856 m away | 107 m² | 142 m² | +35 m² +33% | 2019 |
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| 10, Inverness Road930 m away | 96 m² | 131 m² | +35 m² +36% | 2019 |
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| 49, Firle Road948 m away | 67 m² | 102 m² | +35 m² +52% | 2015 |
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| 15, Grafton Street909 m away | 49 m² | 84 m² | +35 m² +71% | 2012 |
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| 62, Bernard Road891 m away | 96 m² | 131 m² | +35 m² +36% | 2011 |
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| 19, College Road980 m away | 59 m² | 94 m² | +35 m² +59% | 2010 |
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| 41, Richmond Road1000 m away | 82 m² | 116 m² | +34 m² +41% | 2026 |
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| 15, Bute Street870 m away | 77 m² | 111 m² | +34 m² +44% | 2025 |
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| 11, Lincoln Cottages191 m away | 80 m² | 114 m² | +34 m² +43% | 2023 |
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| 63, Bentham Road530 m away | 78 m² | 112 m² | +34 m² +44% | 2022 |
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| 18, Inverness Road930 m away | 83 m² | 117 m² | +34 m² +41% | 2019 |
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| 13, Wakefield Road789 m away | 126 m² | 160 m² | +34 m² +27% | 2018 |
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| 1a, Roundhill Road945 m away | 43 m² | 77 m² | +34 m² +79% | 2009 |
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| 39, Holland Street0 m away | 87 m² | 120 m² | +33 m² +38% | 2024 |
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| 52, Southampton Street192 m away | 93 m² | 126 m² | +33 m² +35% | 2024 |
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| 5, Guildford Road975 m away | 68 m² | 101 m² | +33 m² +49% | 2024 |
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| 30, Quebec Street101 m away | 43 m² | 76 m² | +33 m² +77% | 2023 |
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| 51, Bentham Road530 m away | 79 m² | 112 m² | +33 m² +42% | 2022 |
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| 25, Islingword Street213 m away | 94 m² | 127 m² | +33 m² +35% | 2021 |
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| 14, London Road557 m away | 31 m² | 64 m² | +33 m² +106% | 2020 |
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| 39, Bonchurch Road756 m away | 117 m² | 150 m² | +33 m² +28% | 2020 |
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| 198, Elm Grove805 m away | 66 m² | 99 m² | +33 m² +50% | 2019 |
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| 97, Whippingham Road807 m away | 95 m² | 128 m² | +33 m² +35% | 2019 |
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| Flat 2, 20, Lower Rock Gardens881 m away | 39 m² | 72 m² | +33 m² +85% | 2018 |
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| 3, Walpole Terrace962 m away | 60 m² | 93 m² | +33 m² +55% | 2018 |
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| 38, Clifton Street952 m away | 84 m² | 117 m² | +33 m² +39% | 2017 |
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| 86, Whippingham Road820 m away | 95 m² | 128 m² | +33 m² +35% | 2016 |
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| 9, Grand Parade392 m away | 50 m² | 83 m² | +33 m² +66% | 2014 |
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| 21, Grafton Street909 m away | 46 m² | 79 m² | +33 m² +72% | 2011 |
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| 5a, Wellington Road533 m away | 47 m² | 79 m² | +32 m² +68% | 2025 |
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| 17, Edinburgh Road856 m away | 82 m² | 114 m² | +32 m² +39% | 2025 |
|---|
| 25, Walpole Terrace943 m away | 127 m² | 159 m² | +32 m² +25% | 2024 |
|---|
| 53, De Montfort Road614 m away | 136 m² | 168 m² | +32 m² +24% | 2021 |
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| 179, Queens Park Road399 m away | 90 m² | 122 m² | +32 m² +36% | 2020 |
|---|
| 218, Queens Park Road437 m away | 98 m² | 130 m² | +32 m² +33% | 2020 |
|---|
| 49, Park Crescent Terrace607 m away | 115 m² | 147 m² | +32 m² +28% | 2020 |
|---|
| 318, Queens Park Road717 m away | 74 m² | 106 m² | +32 m² +43% | 2020 |
|---|
| 96, Bonchurch Road789 m away | 94 m² | 126 m² | +32 m² +34% | 2020 |
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| 60, Brading Road839 m away | 94 m² | 126 m² | +32 m² +34% | 2020 |
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| 33, Trafalgar Lane672 m away | 75 m² | 107 m² | +32 m² +43% | 2019 |
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| 60, Southampton Street192 m away | 93 m² | 124 m² | +31 m² +33% | 2026 |
|---|
| 36, Queens Park Terrace500 m away | 109 m² | 140 m² | +31 m² +28% | 2026 |
|---|
| 64, Clyde Road933 m away | 129 m² | 160 m² | +31 m² +24% | 2026 |
|---|
| 71, Islingword Place392 m away | 69 m² | 100 m² | +31 m² +45% | 2025 |
|---|
| 228, Queens Park Road437 m away | 94 m² | 125 m² | +31 m² +33% | 2025 |
|---|
| 50, Whippingham Road820 m away | 92 m² | 123 m² | +31 m² +34% | 2025 |
|---|
| 142, Craven Road943 m away | 41 m² | 72 m² | +31 m² +76% | 2025 |
|---|
| 37, Lincoln Street235 m away | 82 m² | 113 m² | +31 m² +38% | 2024 |
|---|
| 19, Queens Park Terrace500 m away | 135 m² | 166 m² | +31 m² +23% | 2023 |
|---|
| 64, Viaduct Road799 m away | 89 m² | 120 m² | +31 m² +35% | 2023 |
|---|
| 3, Windmill Street283 m away | 76 m² | 107 m² | +31 m² +41% | 2022 |
|---|
| 62, Elm Grove482 m away | 80 m² | 111 m² | +31 m² +39% | 2022 |
|---|
| 194, Freshfield Road720 m away | 96 m² | 127 m² | +31 m² +32% | 2022 |
|---|
| 10, St Georges Terrace925 m away | 44 m² | 75 m² | +31 m² +70% | 2022 |
|---|
| 30, Lincoln Street237 m away | 94 m² | 125 m² | +31 m² +33% | 2021 |
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| 10, Baxter Street690 m away | 61 m² | 92 m² | +31 m² +51% | 2020 |
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| 51, Park Crescent Road700 m away | 81 m² | 112 m² | +31 m² +38% | 2020 |
|---|
| 64, Brading Road839 m away | 98 m² | 129 m² | +31 m² +32% | 2020 |
|---|
| Flat 21, College Court, 108 - 114, Eastern Road914 m away | 67 m² | 98 m² | +31 m² +46% | 2020 |
|---|
| Flat 7, Northumberland Court, 62 - 64, Marine Parade961 m away | 31 m² | 62 m² | +31 m² +100% | 2020 |
|---|
| 18, Elm Grove482 m away | 95 m² | 126 m² | +31 m² +33% | 2019 |
|---|
| 36, Baxter Street690 m away | 42 m² | 73 m² | +31 m² +74% | 2019 |
|---|
| Flat 3, Chain Pier House, 46 - 48, Marine Parade921 m away | 27 m² | 58 m² | +31 m² +115% | 2019 |
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| 12, Inverness Road930 m away | 85 m² | 116 m² | +31 m² +36% | 2019 |
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