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 1JS
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 Road777 m away | 208 m² | 470 m² | +262 m² +126% | 2019 |
| 111, Holland Road212 m away | 180 m² | 379 m² | +199 m² +111% | 2018 |
| 1, Radinden Manor Road772 m away | 248 m² | 434 m² | +186 m² +75% | 2018 |
| 9, Shirley Drive980 m away | 199 m² | 376 m² | +177 m² +89% | 2021 |
| 21, Shirley Drive980 m away | 219 m² | 380 m² | +161 m² +74% | 2020 |
| Flat 1, 99, The Drive754 m away | 117 m² | 269 m² | +152 m² +130% | 2024 |
| 12, Wilbury Gardens892 m away | 125 m² | 272 m² | +147 m² +118% | 2026 |
| 14, Shirley Road843 m away | 106 m² | 252 m² | +146 m² +138% | 2016 |
| 3, Windlesham Road628 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 Road772 m away | 153 m² | 295 m² | +142 m² +93% | 2021 |
|---|
| 5, Selborne Road507 m away | 134 m² | 271 m² | +137 m² +102% | 2020 |
|---|
| 32, Wilbury Gardens892 m away | 158 m² | 291 m² | +133 m² +84% | 2011 |
|---|
| 12, Lloyd Road889 m away | 245 m² | 371 m² | +126 m² +51% | 2016 |
|---|
| 71, Lyndhurst Road296 m away | 197 m² | 315 m² | +118 m² +60% | 2015 |
|---|
| 72, Cromwell Road264 m away | 83 m² | 199 m² | +116 m² +140% | 2022 |
|---|
| 46, Sillwood Road975 m away | 78 m² | 193 m² | +115 m² +147% | 2012 |
|---|
| 16, Shirley Road843 m away | 156 m² | 270 m² | +114 m² +73% | 2017 |
|---|
| 9, Clifton Hill877 m away | 96 m² | 209 m² | +113 m² +118% | 2016 |
|---|
| Flat 30, Victoria Court, 16, Grand Avenue880 m away | 124 m² | 231 m² | +107 m² +86% | 2026 |
|---|
| 18, Denmark Villas731 m away | 179 m² | 285 m² | +106 m² +59% | 2020 |
|---|
| 22, Brunswick Road578 m away | 168 m² | 273 m² | +105 m² +63% | 2011 |
|---|
| 29, Shirley Drive980 m away | 175 m² | 279 m² | +104 m² +59% | 2025 |
|---|
| Flat 1, 10 - 11, Palmeira Square584 m away | 148 m² | 248 m² | +100 m² +68% | 2021 |
|---|
| 30, Cambridge Road551 m away | 274 m² | 373 m² | +99 m² +36% | 2021 |
|---|
| 54, Davigdor Road429 m away | 146 m² | 242 m² | +96 m² +66% | 2024 |
|---|
| 106, The Drive743 m away | 389 m² | 481 m² | +92 m² +24% | 2024 |
|---|
| 22, Wilbury Avenue770 m away | 165 m² | 257 m² | +92 m² +56% | 2019 |
|---|
| 10, Montpelier Terrace809 m away | 207 m² | 296 m² | +89 m² +43% | 2012 |
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| 13, Osmond Gardens584 m away | 70 m² | 157 m² | +87 m² +124% | 2010 |
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| Flat 3, 6, Stanford Road979 m away | 60 m² | 146 m² | +86 m² +143% | 2018 |
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| 9, Copthorne Court, 44, The Drive619 m away | 86 m² | 170 m² | +84 m² +98% | 2023 |
|---|
| 9, Lloyd Road889 m away | 132 m² | 214 m² | +82 m² +62% | 2026 |
|---|
| 18, Stanford Road979 m away | 191 m² | 270 m² | +79 m² +41% | 2024 |
|---|
| 23, Wilbury Gardens846 m away | 247 m² | 326 m² | +79 m² +32% | 2016 |
|---|
| 44, Old Shoreham Road692 m away | 137 m² | 215 m² | +78 m² +57% | 2021 |
|---|
| 3, Rigden Road968 m away | 180 m² | 258 m² | +78 m² +43% | 2017 |
|---|
| 18a, Hove Park Villas988 m away | 135 m² | 211 m² | +76 m² +56% | 2025 |
|---|
| Flat 7, Palmeria House, 46, Palmeira Avenue122 m away | 74 m² | 149 m² | +75 m² +101% | 2017 |
|---|
| 40, Stanford Road979 m away | 189 m² | 263 m² | +74 m² +39% | 2023 |
|---|
| 33, Lancaster Road915 m away | 115 m² | 188 m² | +73 m² +63% | 2014 |
|---|
| 10, The Upper Drive570 m away | 239 m² | 311 m² | +72 m² +30% | 2016 |
|---|
| Flat 31, Grasshoppers, 87, The Drive722 m away | 62 m² | 134 m² | +72 m² +116% | 2014 |
|---|
| 34, Radinden Manor Road772 m away | 254 m² | 325 m² | +71 m² +28% | 2019 |
|---|
| 4, Lorna Road247 m away | 80 m² | 150 m² | +70 m² +88% | 2025 |
|---|
| 36, York Avenue547 m away | 272 m² | 342 m² | +70 m² +26% | 2021 |
|---|
| 67, Lansdowne Street362 m away | 55 m² | 125 m² | +70 m² +127% | 2009 |
|---|
| 93, Addison Road493 m away | 110 m² | 179 m² | +69 m² +63% | 2023 |
|---|
| Flat 30, 4, Grand Avenue796 m away | 63 m² | 132 m² | +69 m² +110% | 2022 |
|---|
| 12, The Upper Drive570 m away | 167 m² | 235 m² | +68 m² +41% | 2021 |
|---|
| 26, Osmond Road584 m away | 257 m² | 325 m² | +68 m² +26% | 2013 |
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| 13, Rigden Road968 m away | 127 m² | 193 m² | +66 m² +52% | 2013 |
|---|
| 23b, Shirley Drive980 m away | 90 m² | 155 m² | +65 m² +72% | 2022 |
|---|
| 32, Hove Park Villas988 m away | 210 m² | 275 m² | +65 m² +31% | 2020 |
|---|
| 128, Holland Road72 m away | 101 m² | 166 m² | +65 m² +64% | 2019 |
|---|
| 12, Stafford Road887 m away | 115 m² | 179 m² | +64 m² +56% | 2018 |
|---|
| Flat 2, Palmeira Plaza, 63, Holland Road490 m away | 73 m² | 137 m² | +64 m² +88% | 2013 |
|---|
| Flat 2, Amberley Court, 22, Second Avenue801 m away | 78 m² | 140 m² | +62 m² +79% | 2016 |
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| 9, The Martlet923 m away | 120 m² | 182 m² | +62 m² +52% | 2016 |
|---|
| 29, Denmark Villas774 m away | 186 m² | 247 m² | +61 m² +33% | 2026 |
|---|
| 50, Colbourne Road440 m away | 82 m² | 142 m² | +60 m² +73% | 2026 |
|---|
| 16, Bedford Place835 m away | 45 m² | 105 m² | +60 m² +133% | 2011 |
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| 12, Lorna Road247 m away | 60 m² | 120 m² | +60 m² +100% | 2009 |
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| 44, Norfolk Square808 m away | 61 m² | 121 m² | +60 m² +98% | 2008 |
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| 27, Cambridge Grove494 m away | 105 m² | 164 m² | +59 m² +56% | 2023 |
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| 97, Holland Road212 m away | 98 m² | 156 m² | +58 m² +59% | 2025 |
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| 5, Orpen Road938 m away | 146 m² | 204 m² | +58 m² +40% | 2023 |
|---|
| 8, Farm Road463 m away | 44 m² | 102 m² | +58 m² +132% | 2012 |
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| 18, Hova Villas886 m away | 49 m² | 106 m² | +57 m² +116% | 2014 |
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| Flat 2, 10, Lansdowne Road332 m away | 188 m² | 245 m² | +57 m² +30% | 2013 |
|---|
| 32, Hova Villas886 m away | 126 m² | 182 m² | +56 m² +44% | 2023 |
|---|
| 2, Norfolk Road671 m away | 56 m² | 112 m² | +56 m² +100% | 2015 |
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| 31, Albany Villas980 m away | 59 m² | 115 m² | +56 m² +95% | 2014 |
|---|
| 1, Orpen Road938 m away | 208 m² | 263 m² | +55 m² +26% | 2023 |
|---|
| Flat 3, 24, First Avenue755 m away | 47 m² | 102 m² | +55 m² +117% | 2021 |
|---|
| 10, Salisbury Road411 m away | 38 m² | 93 m² | +55 m² +145% | 2017 |
|---|
| 34, Church Road683 m away | 39 m² | 94 m² | +55 m² +141% | 2011 |
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| 53, Ventnor Villas908 m away | 48 m² | 103 m² | +55 m² +115% | 2009 |
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| 1, Goldstone Road953 m away | 50 m² | 104 m² | +54 m² +108% | 2023 |
|---|
| Flat 4, 50, Cambridge Road551 m away | 67 m² | 121 m² | +54 m² +81% | 2015 |
|---|
| 48, Sillwood Street867 m away | 43 m² | 96 m² | +53 m² +123% | 2015 |
|---|
| 2, Hova Villas886 m away | 53 m² | 106 m² | +53 m² +100% | 2015 |
|---|
| Flat 34, Ashdown, Eaton Road309 m away | 100 m² | 153 m² | +53 m² +53% | 2011 |
|---|
| Ground Floor West, 10, Grand Avenue715 m away | 83 m² | 135 m² | +52 m² +63% | 2024 |
|---|
| 21, Powis Square881 m away | 50 m² | 102 m² | +52 m² +104% | 2021 |
|---|
| 44, Victoria Street921 m away | 94 m² | 146 m² | +52 m² +55% | 2014 |
|---|
| 20, Denmark Villas731 m away | 66 m² | 118 m² | +52 m² +79% | 2011 |
|---|
| 7, Clarendon Villas948 m away | 211 m² | 262 m² | +51 m² +24% | 2018 |
|---|
| 48, Livingstone Road954 m away | 44 m² | 95 m² | +51 m² +116% | 2014 |
|---|
| 17, Stafford Road865 m away | 116 m² | 165 m² | +49 m² +42% | 2025 |
|---|
| 16, Rigden Road968 m away | 165 m² | 214 m² | +49 m² +30% | 2022 |
|---|
| 42d, Norton Road725 m away | 117 m² | 165 m² | +48 m² +41% | 2022 |
|---|
| 5, Powis Road815 m away | 34 m² | 82 m² | +48 m² +141% | 2020 |
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| Flat 4, 44, Brunswick Square698 m away | 48 m² | 96 m² | +48 m² +100% | 2019 |
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| 13, Western Street862 m away | 36 m² | 84 m² | +48 m² +133% | 2017 |
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| 27, Colbourne Road450 m away | 122 m² | 169 m² | +47 m² +39% | 2025 |
|---|
| 14, Denmark Mews818 m away | 129 m² | 176 m² | +47 m² +36% | 2020 |
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| 13, Oxford Mews693 m away | 72 m² | 119 m² | +47 m² +65% | 2019 |
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| Flat 26, Grand Avenue Mansions, Grand Avenue762 m away | 65 m² | 112 m² | +47 m² +72% | 2019 |
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| 27, Bigwood Avenue464 m away | 115 m² | 162 m² | +47 m² +41% | 2016 |
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| Flat 1, 15, Fourth Avenue977 m away | 127 m² | 174 m² | +47 m² +37% | 2014 |
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| 4, Highdown Road692 m away | 79 m² | 125 m² | +46 m² +58% | 2022 |
|---|
| 39, Osmond Road541 m away | 176 m² | 222 m² | +46 m² +26% | 2021 |
|---|
| 12, Montpelier Road893 m away | 76 m² | 122 m² | +46 m² +61% | 2019 |
|---|
| 10, Wolstonbury Road627 m away | 126 m² | 172 m² | +46 m² +37% | 2013 |
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| 78, Lyndhurst Road300 m away | 65 m² | 111 m² | +46 m² +71% | 2012 |
|---|
| 21, Stafford Road865 m away | 118 m² | 163 m² | +45 m² +38% | 2024 |
|---|
| Flat 7, 3, Third Avenue923 m away | 51 m² | 96 m² | +45 m² +88% | 2020 |
|---|
| 30b, Third Avenue906 m away | 85 m² | 130 m² | +45 m² +53% | 2017 |
|---|
| 14, Goldstone Villas882 m away | 58 m² | 103 m² | +45 m² +78% | 2016 |
|---|
| 20, Montpelier Road893 m away | 50 m² | 95 m² | +45 m² +90% | 2016 |
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| Ground Floor Flat, 14, Farm Road463 m away | 50 m² | 95 m² | +45 m² +90% | 2008 |
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| 4, Davigdor Road646 m away | 112 m² | 156 m² | +44 m² +39% | 2024 |
|---|
| 115, Addison Road493 m away | 118 m² | 162 m² | +44 m² +37% | 2022 |
|---|
| 35, Tisbury Road691 m away | 63 m² | 107 m² | +44 m² +70% | 2011 |
|---|
| Flat 9, South Court, 196, Dyke Road852 m away | 124 m² | 167 m² | +43 m² +35% | 2024 |
|---|
| 20, Hove Park Villas988 m away | 188 m² | 231 m² | +43 m² +23% | 2024 |
|---|
| Flat 1, 8, Somerhill Road288 m away | 45 m² | 88 m² | +43 m² +96% | 2020 |
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| 1, Brunswick Street West713 m away | 93 m² | 136 m² | +43 m² +46% | 2020 |
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| Flat 8, 24, Second Avenue801 m away | 70 m² | 112 m² | +42 m² +60% | 2022 |
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| 66, Denmark Villas757 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 80, Goldstone Villas896 m away | 58 m² | 100 m² | +42 m² +72% | 2019 |
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| 18d, Clarendon Villas971 m away | 49 m² | 91 m² | +42 m² +86% | 2019 |
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| 5b, Cambridge Grove494 m away | 83 m² | 125 m² | +42 m² +51% | 2018 |
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| Flat 4, 6, Brunswick Square808 m away | 36 m² | 78 m² | +42 m² +117% | 2018 |
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| 2, Norfolk Square788 m away | 52 m² | 94 m² | +42 m² +81% | 2016 |
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| 41, Osmond Road541 m away | 165 m² | 207 m² | +42 m² +25% | 2010 |
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| 35a, Colbourne Road450 m away | 59 m² | 100 m² | +41 m² +69% | 2026 |
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| 23, Lansdowne Road290 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
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| 12a, Granville Road653 m away | 74 m² | 115 m² | +41 m² +55% | 2022 |
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| 1, Powis Road815 m away | 92 m² | 133 m² | +41 m² +45% | 2017 |
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| Flat 5, 62, The Drive500 m away | 65 m² | 106 m² | +41 m² +63% | 2013 |
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| Flat 4, 10, Montpelier Road893 m away | 30 m² | 70 m² | +40 m² +133% | 2026 |
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| Flat 3, 22, Denmark Terrace727 m away | 28 m² | 68 m² | +40 m² +143% | 2024 |
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| 4, Cornwall Court, Wilbury Avenue476 m away | 33 m² | 73 m² | +40 m² +121% | 2023 |
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| 12, Haddington Street970 m away | 85 m² | 125 m² | +40 m² +47% | 2019 |
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| 107, Addison Road493 m away | 45 m² | 85 m² | +40 m² +89% | 2018 |
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| 2, Caburn Road676 m away | 133 m² | 173 m² | +40 m² +30% | 2018 |
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| Flat 26, Veric, 16 - 18, Eaton Gardens634 m away | 41 m² | 81 m² | +40 m² +98% | 2015 |
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| 63, Coventry Street968 m away | 91 m² | 131 m² | +40 m² +44% | 2015 |
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| 92, Lyndhurst Road296 m away | 69 m² | 109 m² | +40 m² +58% | 2014 |
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| 77, Holland Road396 m away | 73 m² | 112 m² | +39 m² +53% | 2026 |
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| 34, Lancaster Road915 m away | 117 m² | 156 m² | +39 m² +33% | 2024 |
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| 14a, Cross Street744 m away | 75 m² | 114 m² | +39 m² +52% | 2023 |
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| Flat 3, 74, Denmark Villas757 m away | 69 m² | 108 m² | +39 m² +57% | 2022 |
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| 29a, Norfolk Road682 m away | 45 m² | 84 m² | +39 m² +87% | 2019 |
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| 22, Rochester Close321 m away | 43 m² | 82 m² | +39 m² +91% | 2018 |
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| 7, Western Road691 m away | 34 m² | 73 m² | +39 m² +115% | 2010 |
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| 63, Brunswick Street West713 m away | 98 m² | 136 m² | +38 m² +39% | 2024 |
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| Flat 3, 51, Montpelier Road778 m away | 43 m² | 81 m² | +38 m² +88% | 2023 |
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| Flat 8, 1, Adelaide Crescent787 m away | 40 m² | 78 m² | +38 m² +95% | 2023 |
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| 10, Park Royal, 66, Montpelier Road640 m away | 79 m² | 117 m² | +38 m² +48% | 2022 |
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| 39, Port Hall Street930 m away | 119 m² | 157 m² | +38 m² +32% | 2020 |
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| 94, Lyndhurst Road296 m away | 143 m² | 181 m² | +38 m² +27% | 2019 |
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| 3, Kings Mews812 m away | 78 m² | 116 m² | +38 m² +49% | 2013 |
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| 35, Lower Market Street784 m away | 116 m² | 154 m² | +38 m² +33% | 2010 |
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| Flat 2, Aynsley Court, Wilbury Avenue516 m away | 52 m² | 89 m² | +37 m² +71% | 2024 |
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| Flat 4, 10, Eaton Road702 m away | 60 m² | 97 m² | +37 m² +62% | 2024 |
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| 19, Norton Road815 m away | 61 m² | 98 m² | +37 m² +61% | 2016 |
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| 18, Western Street862 m away | 94 m² | 131 m² | +37 m² +39% | 2013 |
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| 36, Vernon Terrace800 m away | 51 m² | 88 m² | +37 m² +73% | 2011 |
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| 49, Brunswick Place432 m away | 85 m² | 122 m² | +37 m² +44% | 2009 |
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| 80, Church Road930 m away | 43 m² | 79 m² | +36 m² +84% | 2026 |
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| 15, Wolstonbury Road627 m away | 122 m² | 158 m² | +36 m² +30% | 2020 |
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| 33, Lower Market Street784 m away | 42 m² | 78 m² | +36 m² +86% | 2018 |
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| Flat 4, 16, First Avenue755 m away | 50 m² | 86 m² | +36 m² +72% | 2015 |
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| 16, Victoria Street901 m away | 84 m² | 120 m² | +36 m² +43% | 2012 |
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| Flat 1, 21, Third Avenue923 m away | 100 m² | 135 m² | +35 m² +35% | 2024 |
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| Flat 2, 49, Brunswick Square770 m away | 54 m² | 89 m² | +35 m² +65% | 2023 |
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| 2d, Lansdowne Place695 m away | 149 m² | 184 m² | +35 m² +23% | 2020 |
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| 17, Coventry Street968 m away | 83 m² | 118 m² | +35 m² +42% | 2020 |
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| Flat 5, 55, The Drive571 m away | 56 m² | 91 m² | +35 m² +63% | 2019 |
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| 32, Cissbury Road535 m away | 180 m² | 215 m² | +35 m² +19% | 2017 |
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| 56, Cambridge Road551 m away | 33 m² | 68 m² | +35 m² +106% | 2016 |
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| 3, Bedford Place835 m away | 56 m² | 91 m² | +35 m² +63% | 2016 |
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| 8, The Martlet923 m away | 93 m² | 128 m² | +35 m² +38% | 2015 |
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| 9, Goldstone Villas836 m away | 36 m² | 71 m² | +35 m² +97% | 2013 |
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| 7, Melville Road769 m away | 48 m² | 83 m² | +35 m² +73% | 2011 |
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| 5, Goldstone Road953 m away | 51 m² | 86 m² | +35 m² +69% | 2011 |
|---|
| 3, St Michaels Place761 m away | 41 m² | 76 m² | +35 m² +85% | 2009 |
|---|
| 67, Wilbury Crescent438 m away | 139 m² | 173 m² | +34 m² +24% | 2026 |
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| 10, Rochester Gardens391 m away | 113 m² | 147 m² | +34 m² +30% | 2025 |
|---|
| 102, Addison Road467 m away | 111 m² | 145 m² | +34 m² +31% | 2024 |
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| Flat 5, 44, Brunswick Square698 m away | 91 m² | 125 m² | +34 m² +37% | 2024 |
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| 1, The Bungalows296 m away | 221 m² | 255 m² | +34 m² +15% | 2023 |
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| 61, Exeter Street935 m away | 82 m² | 116 m² | +34 m² +41% | 2023 |
|---|
| 33, Old Shoreham Road777 m away | 73 m² | 107 m² | +34 m² +47% | 2021 |
|---|
| Flat 3, 35, First Avenue688 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
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| 7, Western Terrace895 m away | 153 m² | 187 m² | +34 m² +22% | 2019 |
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| 67, Lyndhurst Road296 m away | 136 m² | 170 m² | +34 m² +25% | 2014 |
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| 14, Wolstonbury Road627 m away | 146 m² | 179 m² | +33 m² +23% | 2024 |
|---|
| 1, Stanford Road967 m away | 45 m² | 78 m² | +33 m² +73% | 2024 |
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| 34, Ferndale Road383 m away | 146 m² | 179 m² | +33 m² +23% | 2023 |
|---|
| Flat 2, Gainsborough House, 4 - 6, Eaton Gardens645 m away | 89 m² | 122 m² | +33 m² +37% | 2023 |
|---|
| 33, Denmark Villas774 m away | 98 m² | 131 m² | +33 m² +34% | 2020 |
|---|
| 12, Oxford Mews693 m away | 75 m² | 108 m² | +33 m² +44% | 2019 |
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| 24, Goldstone Villas882 m away | 52 m² | 85 m² | +33 m² +63% | 2019 |
|---|
| 79, Addison Road493 m away | 141 m² | 174 m² | +33 m² +23% | 2018 |
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| 86b, Goldstone Villas896 m away | 62 m² | 95 m² | +33 m² +53% | 2017 |
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| 83, Church Road639 m away | 30 m² | 63 m² | +33 m² +110% | 2016 |
|---|
| 24, Chapel Mews867 m away | 63 m² | 96 m² | +33 m² +52% | 2016 |
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