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 BN3 3GE
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 |
|---|---|---|---|---|
| 31, Old Shoreham Road769 m away | 208 m² | 470 m² | +262 m² +126% | 2019 |
| 111, Holland Road193 m away | 180 m² | 379 m² | +199 m² +111% | 2018 |
| 1, Radinden Manor Road811 m away | 248 m² | 434 m² | +186 m² +75% | 2018 |
| 9, Shirley Drive978 m away | 199 m² | 376 m² | +177 m² +89% | 2021 |
| 21, Shirley Drive978 m away | 219 m² | 380 m² | +161 m² +74% | 2020 |
| Flat 1, 99, The Drive705 m away | 117 m² | 269 m² | +152 m² +130% | 2024 |
| 12, Wilbury Gardens838 m away | 125 m² | 272 m² | +147 m² +118% | 2026 |
| 14, Shirley Road854 m away | 106 m² | 252 m² | +146 m² +138% | 2016 |
| 3, Windlesham Road768 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.
| 181 m² |
| 326 m² |
| +145 m² +80% |
| 2016 |
| 32, Radinden Manor Road811 m away | 153 m² | 295 m² | +142 m² +93% | 2021 |
|---|
| 5, Selborne Road359 m away | 134 m² | 271 m² | +137 m² +102% | 2020 |
|---|
| 32, Wilbury Gardens838 m away | 158 m² | 291 m² | +133 m² +84% | 2011 |
|---|
| 12, Lloyd Road926 m away | 245 m² | 371 m² | +126 m² +51% | 2016 |
|---|
| 71, Lyndhurst Road406 m away | 197 m² | 315 m² | +118 m² +60% | 2015 |
|---|
| 72, Cromwell Road205 m away | 83 m² | 199 m² | +116 m² +140% | 2022 |
|---|
| 16, Shirley Road854 m away | 156 m² | 270 m² | +114 m² +73% | 2017 |
|---|
| Flat 30, Victoria Court, 16, Grand Avenue729 m away | 124 m² | 231 m² | +107 m² +86% | 2026 |
|---|
| 18, Denmark Villas592 m away | 179 m² | 285 m² | +106 m² +59% | 2020 |
|---|
| 22, Brunswick Road626 m away | 168 m² | 273 m² | +105 m² +63% | 2011 |
|---|
| 29, Shirley Drive978 m away | 175 m² | 279 m² | +104 m² +59% | 2025 |
|---|
| Flat 1, 10 - 11, Palmeira Square501 m away | 148 m² | 248 m² | +100 m² +68% | 2021 |
|---|
| 30, Cambridge Road594 m away | 274 m² | 373 m² | +99 m² +36% | 2021 |
|---|
| 54, Davigdor Road590 m away | 146 m² | 242 m² | +96 m² +66% | 2024 |
|---|
| 106, The Drive712 m away | 389 m² | 481 m² | +92 m² +24% | 2024 |
|---|
| 22, Wilbury Avenue698 m away | 165 m² | 257 m² | +92 m² +56% | 2019 |
|---|
| 16, Kings Gardens900 m away | 102 m² | 194 m² | +92 m² +90% | 2011 |
|---|
| 10, Montpelier Terrace911 m away | 207 m² | 296 m² | +89 m² +43% | 2012 |
|---|
| 36, Medina Villas879 m away | 422 m² | 510 m² | +88 m² +21% | 2022 |
|---|
| 13, Osmond Gardens737 m away | 70 m² | 157 m² | +87 m² +124% | 2010 |
|---|
| 9, Copthorne Court, 44, The Drive452 m away | 86 m² | 170 m² | +84 m² +98% | 2023 |
|---|
| 9, Lloyd Road926 m away | 132 m² | 214 m² | +82 m² +62% | 2026 |
|---|
| 23, Wilbury Gardens791 m away | 247 m² | 326 m² | +79 m² +32% | 2016 |
|---|
| 44, Old Shoreham Road688 m away | 137 m² | 215 m² | +78 m² +57% | 2021 |
|---|
| 3, Rigden Road980 m away | 180 m² | 258 m² | +78 m² +43% | 2017 |
|---|
| 31, Clarendon Villas974 m away | 74 m² | 152 m² | +78 m² +105% | 2012 |
|---|
| 18a, Hove Park Villas923 m away | 135 m² | 211 m² | +76 m² +56% | 2025 |
|---|
| Flat 7, Palmeria House, 46, Palmeira Avenue51 m away | 74 m² | 149 m² | +75 m² +101% | 2017 |
|---|
| Basement Vault, 8, Kings Gardens875 m away | 72 m² | 146 m² | +74 m² +103% | 2023 |
|---|
| 10, The Upper Drive542 m away | 239 m² | 311 m² | +72 m² +30% | 2016 |
|---|
| Flat 31, Grasshoppers, 87, The Drive668 m away | 62 m² | 134 m² | +72 m² +116% | 2014 |
|---|
| 34, Radinden Manor Road811 m away | 254 m² | 325 m² | +71 m² +28% | 2019 |
|---|
| 4, Lorna Road267 m away | 80 m² | 150 m² | +70 m² +88% | 2025 |
|---|
| 36, York Avenue648 m away | 272 m² | 342 m² | +70 m² +26% | 2021 |
|---|
| 67, Lansdowne Street328 m away | 55 m² | 125 m² | +70 m² +127% | 2009 |
|---|
| 93, Addison Road661 m away | 110 m² | 179 m² | +69 m² +63% | 2023 |
|---|
| Flat 30, 4, Grand Avenue652 m away | 63 m² | 132 m² | +69 m² +110% | 2022 |
|---|
| 12, The Upper Drive542 m away | 167 m² | 235 m² | +68 m² +41% | 2021 |
|---|
| 26, Osmond Road737 m away | 257 m² | 325 m² | +68 m² +26% | 2013 |
|---|
| 13, Rigden Road980 m away | 127 m² | 193 m² | +66 m² +52% | 2013 |
|---|
| 23b, Shirley Drive978 m away | 90 m² | 155 m² | +65 m² +72% | 2022 |
|---|
| 32, Hove Park Villas923 m away | 210 m² | 275 m² | +65 m² +31% | 2020 |
|---|
| 128, Holland Road175 m away | 101 m² | 166 m² | +65 m² +64% | 2019 |
|---|
| Flat 2, Palmeira Plaza, 63, Holland Road431 m away | 73 m² | 137 m² | +64 m² +88% | 2013 |
|---|
| Flat 2, Amberley Court, 22, Second Avenue671 m away | 78 m² | 140 m² | +62 m² +79% | 2016 |
|---|
| 29, Denmark Villas639 m away | 186 m² | 247 m² | +61 m² +33% | 2026 |
|---|
| 50, Colbourne Road607 m away | 82 m² | 142 m² | +60 m² +73% | 2026 |
|---|
| 16, Bedford Place886 m away | 45 m² | 105 m² | +60 m² +133% | 2011 |
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| 12, Lorna Road267 m away | 60 m² | 120 m² | +60 m² +100% | 2009 |
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| 44, Norfolk Square860 m away | 61 m² | 121 m² | +60 m² +98% | 2008 |
|---|
| 27, Cambridge Grove419 m away | 105 m² | 164 m² | +59 m² +56% | 2023 |
|---|
| Flat 2, 15, Kings Gardens900 m away | 68 m² | 127 m² | +59 m² +87% | 2019 |
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| 97, Holland Road193 m away | 98 m² | 156 m² | +58 m² +59% | 2025 |
|---|
| 8, Farm Road466 m away | 44 m² | 102 m² | +58 m² +132% | 2012 |
|---|
| 18, Hova Villas718 m away | 49 m² | 106 m² | +57 m² +116% | 2014 |
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| 35, Seafield Road954 m away | 170 m² | 227 m² | +57 m² +34% | 2014 |
|---|
| Flat 2, 10, Lansdowne Road252 m away | 188 m² | 245 m² | +57 m² +30% | 2013 |
|---|
| 32, Hova Villas718 m away | 126 m² | 182 m² | +56 m² +44% | 2023 |
|---|
| 2, Norfolk Road741 m away | 56 m² | 112 m² | +56 m² +100% | 2015 |
|---|
| 31, Albany Villas815 m away | 59 m² | 115 m² | +56 m² +95% | 2014 |
|---|
| Flat 5, Royal Court, 8, Kings Gardens875 m away | 133 m² | 189 m² | +56 m² +42% | 2011 |
|---|
| Flat 3, 24, First Avenue637 m away | 47 m² | 102 m² | +55 m² +117% | 2021 |
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| 10, Salisbury Road274 m away | 38 m² | 93 m² | +55 m² +145% | 2017 |
|---|
| 34, Church Road529 m away | 39 m² | 94 m² | +55 m² +141% | 2011 |
|---|
| 53, Ventnor Villas741 m away | 48 m² | 103 m² | +55 m² +115% | 2009 |
|---|
| 1, Goldstone Road808 m away | 50 m² | 104 m² | +54 m² +108% | 2023 |
|---|
| Flat 4, 50, Cambridge Road594 m away | 67 m² | 121 m² | +54 m² +81% | 2015 |
|---|
| 2, Hova Villas718 m away | 53 m² | 106 m² | +53 m² +100% | 2015 |
|---|
| 48, Sillwood Street908 m away | 43 m² | 96 m² | +53 m² +123% | 2015 |
|---|
| 91, St Aubyns981 m away | 75 m² | 128 m² | +53 m² +71% | 2013 |
|---|
| Flat 34, Ashdown, Eaton Road142 m away | 100 m² | 153 m² | +53 m² +53% | 2011 |
|---|
| Ground Floor West, 10, Grand Avenue564 m away | 83 m² | 135 m² | +52 m² +63% | 2024 |
|---|
| 120, Shirley Street981 m away | 83 m² | 135 m² | +52 m² +63% | 2020 |
|---|
| 20, Denmark Villas592 m away | 66 m² | 118 m² | +52 m² +79% | 2011 |
|---|
| 12, Connaught Terrace947 m away | 104 m² | 155 m² | +51 m² +49% | 2023 |
|---|
| 7, Hartington Villas947 m away | 152 m² | 203 m² | +51 m² +34% | 2021 |
|---|
| 7, Clarendon Villas797 m away | 211 m² | 262 m² | +51 m² +24% | 2018 |
|---|
| 48, Livingstone Road821 m away | 44 m² | 95 m² | +51 m² +116% | 2014 |
|---|
| 19, Connaught Terrace947 m away | 108 m² | 157 m² | +49 m² +45% | 2023 |
|---|
| 16, Rigden Road980 m away | 165 m² | 214 m² | +49 m² +30% | 2022 |
|---|
| 42d, Norton Road559 m away | 117 m² | 165 m² | +48 m² +41% | 2022 |
|---|
| 5, Powis Road949 m away | 34 m² | 82 m² | +48 m² +141% | 2020 |
|---|
| Flat 4, 44, Brunswick Square672 m away | 48 m² | 96 m² | +48 m² +100% | 2019 |
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| 13, Western Street885 m away | 36 m² | 84 m² | +48 m² +133% | 2017 |
|---|
| 27, Colbourne Road617 m away | 122 m² | 169 m² | +47 m² +39% | 2025 |
|---|
| 14, Denmark Mews698 m away | 129 m² | 176 m² | +47 m² +36% | 2020 |
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| 13, Oxford Mews585 m away | 72 m² | 119 m² | +47 m² +65% | 2019 |
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| Flat 26, Grand Avenue Mansions, Grand Avenue604 m away | 65 m² | 112 m² | +47 m² +72% | 2019 |
|---|
| 61, Goldstone Road975 m away | 43 m² | 90 m² | +47 m² +109% | 2019 |
|---|
| 27, Bigwood Avenue515 m away | 115 m² | 162 m² | +47 m² +41% | 2016 |
|---|
| Flat 1, 15, Fourth Avenue819 m away | 127 m² | 174 m² | +47 m² +37% | 2014 |
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| 4, Highdown Road860 m away | 79 m² | 125 m² | +46 m² +58% | 2022 |
|---|
| 39, Osmond Road705 m away | 176 m² | 222 m² | +46 m² +26% | 2021 |
|---|
| 44, Belfast Street923 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
|---|
| 12, Montpelier Road946 m away | 76 m² | 122 m² | +46 m² +61% | 2019 |
|---|
| 10, Wolstonbury Road793 m away | 126 m² | 172 m² | +46 m² +37% | 2013 |
|---|
| 78, Lyndhurst Road446 m away | 65 m² | 111 m² | +46 m² +71% | 2012 |
|---|
| Flat 7, 3, Third Avenue770 m away | 51 m² | 96 m² | +45 m² +88% | 2020 |
|---|
| 30b, Third Avenue747 m away | 85 m² | 130 m² | +45 m² +53% | 2017 |
|---|
| 14, Goldstone Villas734 m away | 58 m² | 103 m² | +45 m² +78% | 2016 |
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| 20, Montpelier Road946 m away | 50 m² | 95 m² | +45 m² +90% | 2016 |
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| Ground Floor Flat, 14, Farm Road466 m away | 50 m² | 95 m² | +45 m² +90% | 2008 |
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| 4, Davigdor Road805 m away | 112 m² | 156 m² | +44 m² +39% | 2024 |
|---|
| 115, Addison Road661 m away | 118 m² | 162 m² | +44 m² +37% | 2022 |
|---|
| 35, Tisbury Road524 m away | 63 m² | 107 m² | +44 m² +70% | 2011 |
|---|
| 20, Hove Park Villas923 m away | 188 m² | 231 m² | +43 m² +23% | 2024 |
|---|
| Flat 9, South Court, 196, Dyke Road987 m away | 124 m² | 167 m² | +43 m² +35% | 2024 |
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| 14, Connaught Terrace947 m away | 107 m² | 150 m² | +43 m² +40% | 2022 |
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| Flat 1, 8, Somerhill Road339 m away | 45 m² | 88 m² | +43 m² +96% | 2020 |
|---|
| 1, Brunswick Street West677 m away | 93 m² | 136 m² | +43 m² +46% | 2020 |
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| 20, Medina Villas881 m away | 62 m² | 105 m² | +43 m² +69% | 2019 |
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| Flat 8, 24, Second Avenue671 m away | 70 m² | 112 m² | +42 m² +60% | 2022 |
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| 66, Denmark Villas653 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 80, Goldstone Villas779 m away | 58 m² | 100 m² | +42 m² +72% | 2019 |
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| 18d, Clarendon Villas816 m away | 49 m² | 91 m² | +42 m² +86% | 2019 |
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| 5b, Cambridge Grove419 m away | 83 m² | 125 m² | +42 m² +51% | 2018 |
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| Flat 4, 6, Brunswick Square801 m away | 36 m² | 78 m² | +42 m² +117% | 2018 |
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| 2, Norfolk Square825 m away | 52 m² | 94 m² | +42 m² +81% | 2016 |
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| 41, Osmond Road705 m away | 165 m² | 207 m² | +42 m² +25% | 2010 |
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| 35a, Colbourne Road617 m away | 59 m² | 100 m² | +41 m² +69% | 2026 |
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| 23, Lansdowne Road282 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
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| 12a, Granville Road818 m away | 74 m² | 115 m² | +41 m² +55% | 2022 |
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| 1, Powis Road949 m away | 92 m² | 133 m² | +41 m² +45% | 2017 |
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| Flat 5, 62, The Drive351 m away | 65 m² | 106 m² | +41 m² +63% | 2013 |
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| Flat 4, 10, Montpelier Road946 m away | 30 m² | 70 m² | +40 m² +133% | 2026 |
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| Flat 3, 22, Denmark Terrace861 m away | 28 m² | 68 m² | +40 m² +143% | 2024 |
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| 4, Cornwall Court, Wilbury Avenue445 m away | 33 m² | 73 m² | +40 m² +121% | 2023 |
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| 12, Haddington Street807 m away | 85 m² | 125 m² | +40 m² +47% | 2019 |
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| 107, Addison Road661 m away | 45 m² | 85 m² | +40 m² +89% | 2018 |
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| 2, Caburn Road843 m away | 133 m² | 173 m² | +40 m² +30% | 2018 |
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| Flat 26, Veric, 16 - 18, Eaton Gardens502 m away | 41 m² | 81 m² | +40 m² +98% | 2015 |
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| 92, Lyndhurst Road406 m away | 69 m² | 109 m² | +40 m² +58% | 2014 |
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| Flat 1, 40, Medina Villas982 m away | 35 m² | 75 m² | +40 m² +114% | 2010 |
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| 77, Holland Road348 m away | 73 m² | 112 m² | +39 m² +53% | 2026 |
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| 14a, Cross Street775 m away | 75 m² | 114 m² | +39 m² +52% | 2023 |
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| Flat 2, 51, Clarendon Villas974 m away | 44 m² | 83 m² | +39 m² +89% | 2023 |
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| Flat 3, 74, Denmark Villas653 m away | 69 m² | 108 m² | +39 m² +57% | 2022 |
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| 29a, Norfolk Road757 m away | 45 m² | 84 m² | +39 m² +87% | 2019 |
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| 22, Rochester Close260 m away | 43 m² | 82 m² | +39 m² +91% | 2018 |
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| 34, Belfast Street923 m away | 90 m² | 129 m² | +39 m² +43% | 2016 |
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| 7, Western Road729 m away | 34 m² | 73 m² | +39 m² +115% | 2010 |
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| 63, Brunswick Street West677 m away | 98 m² | 136 m² | +38 m² +39% | 2024 |
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| Flat 8, 1, Adelaide Crescent709 m away | 40 m² | 78 m² | +38 m² +95% | 2023 |
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| Flat 3, 51, Montpelier Road863 m away | 43 m² | 81 m² | +38 m² +88% | 2023 |
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| 10, Park Royal, 66, Montpelier Road743 m away | 79 m² | 117 m² | +38 m² +48% | 2022 |
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| 16, Connaught Terrace947 m away | 104 m² | 142 m² | +38 m² +37% | 2020 |
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| 94, Lyndhurst Road406 m away | 143 m² | 181 m² | +38 m² +27% | 2019 |
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| 3, Kings Mews652 m away | 78 m² | 116 m² | +38 m² +49% | 2013 |
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| 67, Livingstone Road990 m away | 26 m² | 64 m² | +38 m² +146% | 2013 |
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| 35, Lower Market Street787 m away | 116 m² | 154 m² | +38 m² +33% | 2010 |
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| Flat 2, Aynsley Court, Wilbury Avenue492 m away | 52 m² | 89 m² | +37 m² +71% | 2024 |
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| Flat 4, 10, Eaton Road539 m away | 60 m² | 97 m² | +37 m² +62% | 2024 |
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| 40, Belfast Street923 m away | 87 m² | 124 m² | +37 m² +43% | 2024 |
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| 19, Norton Road647 m away | 61 m² | 98 m² | +37 m² +61% | 2016 |
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| 18, Western Street885 m away | 94 m² | 131 m² | +37 m² +39% | 2013 |
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| 36, Vernon Terrace958 m away | 51 m² | 88 m² | +37 m² +73% | 2011 |
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| 49, Brunswick Place457 m away | 85 m² | 122 m² | +37 m² +44% | 2009 |
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| 80, Church Road764 m away | 43 m² | 79 m² | +36 m² +84% | 2026 |
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| Flat 5, 51, Clarendon Villas974 m away | 44 m² | 80 m² | +36 m² +82% | 2023 |
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| 15, Wolstonbury Road793 m away | 122 m² | 158 m² | +36 m² +30% | 2020 |
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| 33, Lower Market Street787 m away | 42 m² | 78 m² | +36 m² +86% | 2018 |
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| 114, Shirley Street981 m away | 95 m² | 131 m² | +36 m² +38% | 2017 |
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| Flat 4, 16, First Avenue637 m away | 50 m² | 86 m² | +36 m² +72% | 2015 |
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| 116, Clarendon Road995 m away | 90 m² | 125 m² | +35 m² +39% | 2026 |
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| Flat 1, 21, Third Avenue770 m away | 100 m² | 135 m² | +35 m² +35% | 2024 |
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| Flat 2, 49, Brunswick Square737 m away | 54 m² | 89 m² | +35 m² +65% | 2023 |
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| 2d, Lansdowne Place652 m away | 149 m² | 184 m² | +35 m² +23% | 2020 |
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| Flat 5, 55, The Drive415 m away | 56 m² | 91 m² | +35 m² +63% | 2019 |
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| 28, Connaught Terrace947 m away | 107 m² | 142 m² | +35 m² +33% | 2019 |
|---|
| 32, Cissbury Road696 m away | 180 m² | 215 m² | +35 m² +19% | 2017 |
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| 56, Cambridge Road594 m away | 33 m² | 68 m² | +35 m² +106% | 2016 |
|---|
| 3, Bedford Place886 m away | 56 m² | 91 m² | +35 m² +63% | 2016 |
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| 46, Newtown Road931 m away | 90 m² | 125 m² | +35 m² +39% | 2014 |
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| 9, Goldstone Villas688 m away | 36 m² | 71 m² | +35 m² +97% | 2013 |
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| 5, Goldstone Road808 m away | 51 m² | 86 m² | +35 m² +69% | 2011 |
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| 7, Melville Road932 m away | 48 m² | 83 m² | +35 m² +73% | 2011 |
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| 3, St Michaels Place895 m away | 41 m² | 76 m² | +35 m² +85% | 2009 |
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| 67, Wilbury Crescent527 m away | 139 m² | 173 m² | +34 m² +24% | 2026 |
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| 10, Rochester Gardens308 m away | 113 m² | 147 m² | +34 m² +30% | 2025 |
|---|
| 102, Addison Road635 m away | 111 m² | 145 m² | +34 m² +31% | 2024 |
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| Flat 5, 44, Brunswick Square672 m away | 91 m² | 125 m² | +34 m² +37% | 2024 |
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| 1, The Bungalows362 m away | 221 m² | 255 m² | +34 m² +15% | 2023 |
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| 20, Connaught Terrace947 m away | 108 m² | 142 m² | +34 m² +31% | 2022 |
|---|
| 33, Old Shoreham Road769 m away | 73 m² | 107 m² | +34 m² +47% | 2021 |
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| Flat 3, 35, First Avenue556 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
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| 7, Western Terrace965 m away | 153 m² | 187 m² | +34 m² +22% | 2019 |
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| 129, Livingstone Road990 m away | 51 m² | 85 m² | +34 m² +67% | 2015 |
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| 67, Lyndhurst Road406 m away | 136 m² | 170 m² | +34 m² +25% | 2014 |
|---|
| 14, Wolstonbury Road793 m away | 146 m² | 179 m² | +33 m² +23% | 2024 |
|---|
| Flat 2, Gainsborough House, 4 - 6, Eaton Gardens490 m away | 89 m² | 122 m² | +33 m² +37% | 2023 |
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| 34, Ferndale Road516 m away | 146 m² | 179 m² | +33 m² +23% | 2023 |
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