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 2NA
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 |
|---|---|---|---|---|
| 111, Holland Road623 m away | 180 m² | 379 m² | +199 m² +111% | 2018 |
| 6, Princes Crescent916 m away | 283 m² | 466 m² | +183 m² +65% | 2022 |
| 5, Selborne Road262 m away | 134 m² | 271 m² | +137 m² +102% | 2020 |
| 71, Lyndhurst Road999 m away | 197 m² | 315 m² | +118 m² +60% | 2015 |
| 72, Cromwell Road707 m away | 83 m² | 199 m² | +116 m² +140% | 2022 |
| Flat 30, Victoria Court, 16, Grand Avenue145 m away | 124 m² | 231 m² | +107 m² +86% | 2026 |
| 18, Denmark Villas600 m away | 179 m² | 285 m² | +106 m² +59% | 2020 |
| 22, Brunswick Road886 m away | 168 m² | 273 m² | +105 m² +63% | 2011 |
| Flat 1, 10 - 11, Palmeira Square |
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.
| 148 m² |
| 248 m² |
| +100 m² +68% |
| 2021 |
| 30, Cambridge Road853 m away | 274 m² | 373 m² | +99 m² +36% | 2021 |
|---|
| 22, Wilbury Avenue945 m away | 165 m² | 257 m² | +92 m² +56% | 2019 |
|---|
| 16, Kings Gardens299 m away | 102 m² | 194 m² | +92 m² +90% | 2011 |
|---|
| 36, Medina Villas310 m away | 422 m² | 510 m² | +88 m² +21% | 2022 |
|---|
| 9, Copthorne Court, 44, The Drive264 m away | 86 m² | 170 m² | +84 m² +98% | 2023 |
|---|
| 38, New Church Road981 m away | 172 m² | 254 m² | +82 m² +48% | 2019 |
|---|
| 31, Clarendon Villas753 m away | 74 m² | 152 m² | +78 m² +105% | 2012 |
|---|
| Flat 7, Palmeria House, 46, Palmeira Avenue642 m away | 74 m² | 149 m² | +75 m² +101% | 2017 |
|---|
| Basement Vault, 8, Kings Gardens279 m away | 72 m² | 146 m² | +74 m² +103% | 2023 |
|---|
| 10, The Upper Drive945 m away | 239 m² | 311 m² | +72 m² +30% | 2016 |
|---|
| Flat 31, Grasshoppers, 87, The Drive972 m away | 62 m² | 134 m² | +72 m² +116% | 2014 |
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| 4, Lorna Road820 m away | 80 m² | 150 m² | +70 m² +88% | 2025 |
|---|
| 67, Lansdowne Street583 m away | 55 m² | 125 m² | +70 m² +127% | 2009 |
|---|
| Flat 30, 4, Grand Avenue146 m away | 63 m² | 132 m² | +69 m² +110% | 2022 |
|---|
| 12, The Upper Drive945 m away | 167 m² | 235 m² | +68 m² +41% | 2021 |
|---|
| 128, Holland Road778 m away | 101 m² | 166 m² | +65 m² +64% | 2019 |
|---|
| Flat 2, Palmeira Plaza, 63, Holland Road521 m away | 73 m² | 137 m² | +64 m² +88% | 2013 |
|---|
| 206, Church Road622 m away | 51 m² | 114 m² | +63 m² +124% | 2016 |
|---|
| 84, Sackville Road944 m away | 119 m² | 181 m² | +62 m² +52% | 2017 |
|---|
| Flat 2, Amberley Court, 22, Second Avenue251 m away | 78 m² | 140 m² | +62 m² +79% | 2016 |
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| 29, Denmark Villas647 m away | 186 m² | 247 m² | +61 m² +33% | 2026 |
|---|
| 16, Brooker Street703 m away | 64 m² | 125 m² | +61 m² +95% | 2021 |
|---|
| 11, Hove Street769 m away | 131 m² | 192 m² | +61 m² +47% | 2014 |
|---|
| 12, Lorna Road820 m away | 60 m² | 120 m² | +60 m² +100% | 2009 |
|---|
| 27, Cambridge Grove765 m away | 105 m² | 164 m² | +59 m² +56% | 2023 |
|---|
| Flat 2, 15, Kings Gardens299 m away | 68 m² | 127 m² | +59 m² +87% | 2019 |
|---|
| 97, Holland Road623 m away | 98 m² | 156 m² | +58 m² +59% | 2025 |
|---|
| 8, Farm Road691 m away | 44 m² | 102 m² | +58 m² +132% | 2012 |
|---|
| 214, Church Road622 m away | 54 m² | 111 m² | +57 m² +106% | 2019 |
|---|
| 18, Hova Villas311 m away | 49 m² | 106 m² | +57 m² +116% | 2014 |
|---|
| 35, Seafield Road419 m away | 170 m² | 227 m² | +57 m² +34% | 2014 |
|---|
| Flat 2, 10, Lansdowne Road505 m away | 188 m² | 245 m² | +57 m² +30% | 2013 |
|---|
| 32, Hova Villas311 m away | 126 m² | 182 m² | +56 m² +44% | 2023 |
|---|
| 31, Albany Villas244 m away | 59 m² | 115 m² | +56 m² +95% | 2014 |
|---|
| Flat 5, Royal Court, 8, Kings Gardens279 m away | 133 m² | 189 m² | +56 m² +42% | 2011 |
|---|
| Flat 3, 24, First Avenue312 m away | 47 m² | 102 m² | +55 m² +117% | 2021 |
|---|
| 10, Salisbury Road366 m away | 38 m² | 93 m² | +55 m² +145% | 2017 |
|---|
| 34, Church Road93 m away | 39 m² | 94 m² | +55 m² +141% | 2011 |
|---|
| 8, Osborne Villas471 m away | 98 m² | 153 m² | +55 m² +56% | 2011 |
|---|
| 53, Ventnor Villas330 m away | 48 m² | 103 m² | +55 m² +115% | 2009 |
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| 97, Sackville Road921 m away | 55 m² | 109 m² | +54 m² +98% | 2025 |
|---|
| 1, Goldstone Road675 m away | 50 m² | 104 m² | +54 m² +108% | 2023 |
|---|
| Flat 4, 50, Cambridge Road853 m away | 67 m² | 121 m² | +54 m² +81% | 2015 |
|---|
| 14, Aymer Road792 m away | 204 m² | 257 m² | +53 m² +26% | 2022 |
|---|
| 21, Vallance Road598 m away | 68 m² | 121 m² | +53 m² +78% | 2021 |
|---|
| 2, Hova Villas311 m away | 53 m² | 106 m² | +53 m² +100% | 2015 |
|---|
| 91, St Aubyns460 m away | 75 m² | 128 m² | +53 m² +71% | 2013 |
|---|
| Flat 34, Ashdown, Eaton Road475 m away | 100 m² | 153 m² | +53 m² +53% | 2011 |
|---|
| Ground Floor West, 10, Grand Avenue89 m away | 83 m² | 135 m² | +52 m² +63% | 2024 |
|---|
| 120, Shirley Street814 m away | 83 m² | 135 m² | +52 m² +63% | 2020 |
|---|
| 20, Denmark Villas600 m away | 66 m² | 118 m² | +52 m² +79% | 2011 |
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| 12, Connaught Terrace621 m away | 104 m² | 155 m² | +51 m² +49% | 2023 |
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| 7, Clarendon Villas621 m away | 211 m² | 262 m² | +51 m² +24% | 2018 |
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| 48, Livingstone Road765 m away | 44 m² | 95 m² | +51 m² +116% | 2014 |
|---|
| 28, Viceroy Lodge, 143, Kingsway859 m away | 84 m² | 134 m² | +50 m² +60% | 2014 |
|---|
| 27, Viceroy Lodge, 143, Kingsway859 m away | 84 m² | 134 m² | +50 m² +60% | 2014 |
|---|
| 19, Connaught Terrace621 m away | 108 m² | 157 m² | +49 m² +45% | 2023 |
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| Flat 7, Vallance Court, Hove Street704 m away | 91 m² | 140 m² | +49 m² +54% | 2020 |
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| 28, Brooker Street703 m away | 103 m² | 152 m² | +49 m² +48% | 2018 |
|---|
| 27, Pembroke Avenue892 m away | 96 m² | 144 m² | +48 m² +50% | 2023 |
|---|
| 42d, Norton Road327 m away | 117 m² | 165 m² | +48 m² +41% | 2022 |
|---|
| Flat 4, 44, Brunswick Square698 m away | 48 m² | 96 m² | +48 m² +100% | 2019 |
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| 13, Western Street994 m away | 36 m² | 84 m² | +48 m² +133% | 2017 |
|---|
| 24, Brooker Street703 m away | 98 m² | 145 m² | +47 m² +48% | 2026 |
|---|
| 39, Sackville Road752 m away | 194 m² | 241 m² | +47 m² +24% | 2022 |
|---|
| 14, Denmark Mews759 m away | 129 m² | 176 m² | +47 m² +36% | 2020 |
|---|
| Flat 26, Grand Avenue Mansions, Grand Avenue0 m away | 65 m² | 112 m² | +47 m² +72% | 2019 |
|---|
| 13, Oxford Mews747 m away | 72 m² | 119 m² | +47 m² +65% | 2019 |
|---|
| 61, Goldstone Road791 m away | 43 m² | 90 m² | +47 m² +109% | 2019 |
|---|
| Flat 1, 15, Fourth Avenue216 m away | 127 m² | 174 m² | +47 m² +37% | 2014 |
|---|
| 37, Brooker Street703 m away | 110 m² | 156 m² | +46 m² +42% | 2025 |
|---|
| 4, Osborne Villas471 m away | 55 m² | 101 m² | +46 m² +84% | 2023 |
|---|
| 28, Pembroke Crescent956 m away | 175 m² | 221 m² | +46 m² +26% | 2023 |
|---|
| 44, Belfast Street590 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
|---|
| 188a, Church Road622 m away | 46 m² | 92 m² | +46 m² +100% | 2019 |
|---|
| Flat 7, 3, Third Avenue175 m away | 51 m² | 96 m² | +45 m² +88% | 2020 |
|---|
| 30b, Third Avenue145 m away | 85 m² | 130 m² | +45 m² +53% | 2017 |
|---|
| 14, Goldstone Villas610 m away | 58 m² | 103 m² | +45 m² +78% | 2016 |
|---|
| Ground Floor Flat, 14, Farm Road691 m away | 50 m² | 95 m² | +45 m² +90% | 2008 |
|---|
| 35, Tisbury Road291 m away | 63 m² | 107 m² | +44 m² +70% | 2011 |
|---|
| 14, Connaught Terrace621 m away | 107 m² | 150 m² | +43 m² +40% | 2022 |
|---|
| 1, Brunswick Street West670 m away | 93 m² | 136 m² | +43 m² +46% | 2020 |
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| Flat 1, 8, Somerhill Road740 m away | 45 m² | 88 m² | +43 m² +96% | 2020 |
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| 20, Medina Villas342 m away | 62 m² | 105 m² | +43 m² +69% | 2019 |
|---|
| Flat 8, 24, Second Avenue251 m away | 70 m² | 112 m² | +42 m² +60% | 2022 |
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| 66, Denmark Villas798 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 18d, Clarendon Villas604 m away | 49 m² | 91 m² | +42 m² +86% | 2019 |
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| 80, Goldstone Villas826 m away | 58 m² | 100 m² | +42 m² +72% | 2019 |
|---|
| 5b, Cambridge Grove765 m away | 83 m² | 125 m² | +42 m² +51% | 2018 |
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| Flat 4, 6, Brunswick Square838 m away | 36 m² | 78 m² | +42 m² +117% | 2018 |
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| 2, Norfolk Square995 m away | 52 m² | 94 m² | +42 m² +81% | 2016 |
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| 23, Lansdowne Road631 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
|---|
| Flat 5, 62, The Drive496 m away | 65 m² | 106 m² | +41 m² +63% | 2013 |
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| 36, Stirling Place633 m away | 93 m² | 133 m² | +40 m² +43% | 2023 |
|---|
| 4, Cornwall Court, Wilbury Avenue871 m away | 33 m² | 73 m² | +40 m² +121% | 2023 |
|---|
| 12, Haddington Street496 m away | 85 m² | 125 m² | +40 m² +47% | 2019 |
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| Flat 26, Veric, 16 - 18, Eaton Gardens607 m away | 41 m² | 81 m² | +40 m² +98% | 2015 |
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| 92, Lyndhurst Road999 m away | 69 m² | 109 m² | +40 m² +58% | 2014 |
|---|
| Flat 1, 40, Medina Villas384 m away | 35 m² | 75 m² | +40 m² +114% | 2010 |
|---|
| 77, Holland Road552 m away | 73 m² | 112 m² | +39 m² +53% | 2026 |
|---|
| Flat 2, 51, Clarendon Villas753 m away | 44 m² | 83 m² | +39 m² +89% | 2023 |
|---|
| 14a, Cross Street939 m away | 75 m² | 114 m² | +39 m² +52% | 2023 |
|---|
| Flat 3, 74, Denmark Villas798 m away | 69 m² | 108 m² | +39 m² +57% | 2022 |
|---|
| 22, Rochester Close539 m away | 43 m² | 82 m² | +39 m² +91% | 2018 |
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| 34, Belfast Street590 m away | 90 m² | 129 m² | +39 m² +43% | 2016 |
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| 7, Western Road925 m away | 34 m² | 73 m² | +39 m² +115% | 2010 |
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| 63, Brunswick Street West670 m away | 98 m² | 136 m² | +38 m² +39% | 2024 |
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| Flat 8, 1, Adelaide Crescent525 m away | 40 m² | 78 m² | +38 m² +95% | 2023 |
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| 16, Connaught Terrace621 m away | 104 m² | 142 m² | +38 m² +37% | 2020 |
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| 94, Lyndhurst Road999 m away | 143 m² | 181 m² | +38 m² +27% | 2019 |
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| Flat 33, Viceroy Lodge, 143, Kingsway859 m away | 96 m² | 134 m² | +38 m² +40% | 2014 |
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| 3, Kings Mews53 m away | 78 m² | 116 m² | +38 m² +49% | 2013 |
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| 67, Livingstone Road871 m away | 26 m² | 64 m² | +38 m² +146% | 2013 |
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| 35, Lower Market Street859 m away | 116 m² | 154 m² | +38 m² +33% | 2010 |
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| Flat 4, 10, Eaton Road375 m away | 60 m² | 97 m² | +37 m² +62% | 2024 |
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| 40, Belfast Street590 m away | 87 m² | 124 m² | +37 m² +43% | 2024 |
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| Flat 2, Aynsley Court, Wilbury Avenue917 m away | 52 m² | 89 m² | +37 m² +71% | 2024 |
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| 19, Norton Road256 m away | 61 m² | 98 m² | +37 m² +61% | 2016 |
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| 18, Western Street994 m away | 94 m² | 131 m² | +37 m² +39% | 2013 |
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| 49, Brunswick Place739 m away | 85 m² | 122 m² | +37 m² +44% | 2009 |
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| 80, Church Road232 m away | 43 m² | 79 m² | +36 m² +84% | 2026 |
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| 34, Brooker Street703 m away | 105 m² | 141 m² | +36 m² +34% | 2026 |
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| Flat 5, 51, Clarendon Villas753 m away | 44 m² | 80 m² | +36 m² +82% | 2023 |
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| Flat 1, 16, Sackville Road745 m away | 46 m² | 82 m² | +36 m² +78% | 2021 |
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| 33, Lower Market Street859 m away | 42 m² | 78 m² | +36 m² +86% | 2018 |
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| 114, Shirley Street814 m away | 95 m² | 131 m² | +36 m² +38% | 2017 |
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| Flat 4, 16, First Avenue312 m away | 50 m² | 86 m² | +36 m² +72% | 2015 |
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| 116, Clarendon Road893 m away | 90 m² | 125 m² | +35 m² +39% | 2026 |
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| Flat 1, 21, Third Avenue175 m away | 100 m² | 135 m² | +35 m² +35% | 2024 |
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| Flat 2, 49, Brunswick Square710 m away | 54 m² | 89 m² | +35 m² +65% | 2023 |
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| 2d, Lansdowne Place631 m away | 149 m² | 184 m² | +35 m² +23% | 2020 |
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| Flat 5, 55, The Drive446 m away | 56 m² | 91 m² | +35 m² +63% | 2019 |
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| 28, Connaught Terrace621 m away | 107 m² | 142 m² | +35 m² +33% | 2019 |
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| 54b, Stirling Place633 m away | 66 m² | 101 m² | +35 m² +53% | 2018 |
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| 56, Cambridge Road853 m away | 33 m² | 68 m² | +35 m² +106% | 2016 |
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| 9, Goldstone Villas584 m away | 36 m² | 71 m² | +35 m² +97% | 2013 |
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| 5, Goldstone Road675 m away | 51 m² | 86 m² | +35 m² +69% | 2011 |
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| 7, Hove Street769 m away | 119 m² | 154 m² | +35 m² +29% | 2009 |
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| 10, Rochester Gardens477 m away | 113 m² | 147 m² | +34 m² +30% | 2025 |
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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 Bungalows775 m away | 221 m² | 255 m² | +34 m² +15% | 2023 |
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| 20, Connaught Terrace621 m away | 108 m² | 142 m² | +34 m² +31% | 2022 |
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| Flat 3, 35, First Avenue222 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
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| 129, Livingstone Road871 m away | 51 m² | 85 m² | +34 m² +67% | 2015 |
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| 67, Lyndhurst Road999 m away | 136 m² | 170 m² | +34 m² +25% | 2014 |
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| 2, Pembroke Avenue837 m away | 195 m² | 229 m² | +34 m² +17% | 2012 |
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| 26, Sackville Road789 m away | 117 m² | 150 m² | +33 m² +28% | 2024 |
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| 103, Sackville Road921 m away | 136 m² | 169 m² | +33 m² +24% | 2024 |
|---|
| Flat 2, Gainsborough House, 4 - 6, Eaton Gardens451 m away | 89 m² | 122 m² | +33 m² +37% | 2023 |
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| Flat 1, 51, Clarendon Villas753 m away | 50 m² | 83 m² | +33 m² +66% | 2023 |
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| 62, Shirley Street814 m away | 81 m² | 114 m² | +33 m² +41% | 2022 |
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| 33, Denmark Villas647 m away | 98 m² | 131 m² | +33 m² +34% | 2020 |
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| 40b, Sackville Road835 m away | 150 m² | 183 m² | +33 m² +22% | 2020 |
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| 24, Goldstone Villas610 m away | 52 m² | 85 m² | +33 m² +63% | 2019 |
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| 12, Oxford Mews747 m away | 75 m² | 108 m² | +33 m² +44% | 2019 |
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| 86b, Goldstone Villas826 m away | 62 m² | 95 m² | +33 m² +53% | 2017 |
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| 83, Church Road127 m away | 30 m² | 63 m² | +33 m² +110% | 2016 |
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| 24, Chapel Mews971 m away | 63 m² | 96 m² | +33 m² +52% | 2016 |
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| 14, Holland Mews560 m away | 105 m² | 138 m² | +33 m² +31% | 2014 |
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| 16, Wilbury Villas944 m away | 29 m² | 62 m² | +33 m² +114% | 2009 |
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| 5, Denmark Villas468 m away | 43 m² | 75 m² | +32 m² +74% | 2026 |
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| 10, Osborne Villas471 m away | 110 m² | 142 m² | +32 m² +29% | 2024 |
|---|
| Flat 6, 51, Clarendon Villas753 m away | 48 m² | 80 m² | +32 m² +67% | 2023 |
|---|
| 76, Shirley Street814 m away | 83 m² | 115 m² | +32 m² +39% | 2022 |
|---|
| 21, Holland Mews560 m away | 102 m² | 134 m² | +32 m² +31% | 2020 |
|---|
| Flat 3, 24, Clarendon Villas604 m away | 52 m² | 84 m² | +32 m² +62% | 2020 |
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| Flat 6, 29, Brunswick Square798 m away | 46 m² | 78 m² | +32 m² +70% | 2020 |
|---|
| Flat 3, 51, Goldstone Villas695 m away | 33 m² | 65 m² | +32 m² +97% | 2018 |
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| 52, Brunswick Place786 m away | 43 m² | 75 m² | +32 m² +74% | 2018 |
|---|
| 40, Lansdowne Street604 m away | 37 m² | 69 m² | +32 m² +86% | 2016 |
|---|
| Flat 3, The Red House, 21, Lansdowne Road631 m away | 138 m² | 170 m² | +32 m² +23% | 2016 |
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| 88, Lansdowne Place648 m away | 32 m² | 64 m² | +32 m² +100% | 2015 |
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| 3a, St Aubyns Gardens688 m away | 61 m² | 93 m² | +32 m² +52% | 2015 |
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| Flat 3, 13, Cromwell Road715 m away | 59 m² | 91 m² | +32 m² +54% | 2015 |
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| 44, Viceroy Lodge, 143, Kingsway859 m away | 33 m² | 65 m² | +32 m² +97% | 2014 |
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| Flat 1, 35, Adelaide Crescent396 m away | 123 m² | 154 m² | +31 m² +25% | 2026 |
|---|
| Flat 6, 62, The Drive496 m away | 92 m² | 123 m² | +31 m² +34% | 2026 |
|---|
| 33, Fourth Avenue152 m away | 47 m² | 78 m² | +31 m² +66% | 2020 |
|---|
| 41, Shirley Street690 m away | 84 m² | 115 m² | +31 m² +37% | 2020 |
|---|
| 4, Cromwell Road715 m away | 107 m² | 138 m² | +31 m² +29% | 2019 |
|---|
| 15, Connaught Terrace621 m away | 105 m² | 136 m² | +31 m² +30% | 2018 |
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| 34, Waterloo Street886 m away | 40 m² | 71 m² | +31 m² +78% | 2016 |
|---|
| 63, Hova Villas351 m away | 27 m² | 58 m² | +31 m² +115% | 2015 |
|---|
| 35, Viceroy Lodge, 143, Kingsway859 m away | 34 m² | 65 m² | +31 m² +91% | 2014 |
|---|
| 21, Brunswick Place729 m away | 45 m² | 76 m² | +31 m² +69% | 2010 |
|---|
| Flat 6, 16, St Catherines Terrace525 m away | 56 m² | 86 m² | +30 m² +54% | 2026 |
|---|
| 13, Stirling Place633 m away | 98 m² | 128 m² | +30 m² +31% | 2026 |
|---|
| Flat 4, 53, The Drive446 m away | 99 m² | 129 m² | +30 m² +30% | 2023 |
|---|
| 88, Shirley Street814 m away | 82 m² | 112 m² | +30 m² +37% | 2018 |
|---|
| Flat 3, 5, Clarendon Villas621 m away | 57 m² | 87 m² | +30 m² +53% | 2017 |
|---|
| 19, Connaught Road647 m away | 43 m² | 73 m² | +30 m² +70% | 2015 |
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