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 W2 4BA
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 |
|---|---|---|---|---|
| 13, Dawson Place527 m away | 506 m² | 906 m² | +400 m² +79% | 2022 |
| 3, Orme Square508 m away | 755 m² | 1,011 m² | +256 m² +34% | 2016 |
| 10, Dawson Place394 m away | 371 m² | 607 m² | +236 m² +64% | 2022 |
| 10, Chepstow Place342 m away | 224 m² | 446 m² | +222 m² +99% | 2013 |
| 34, Chepstow Place342 m away | 161 m² | 366 m² | +205 m² +127% | 2017 |
| 30, Newton Road161 m away | 230 m² | 413 m² | +183 m² +80% | 2022 |
| 40, St Petersburgh Place347 m away | 324 m² | 502 m² | +178 m² +55% | 2026 |
| 12, Pembridge Place423 m away | 181 m² | 353 m² | +172 m² +95% | 2014 |
| 30, Chepstow Villas633 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.
| 272 m² |
| 435 m² |
| +163 m² +60% |
| 2020 |
| 9, Courtnell Street592 m away | 133 m² | 277 m² | +144 m² +108% | 2021 |
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| 10, Chepstow Crescent560 m away | 246 m² | 390 m² | +144 m² +59% | 2020 |
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| 8, Monmouth Road193 m away | 186 m² | 326 m² | +140 m² +75% | 2022 |
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| 119, Ledbury Road668 m away | 98 m² | 227 m² | +129 m² +132% | 2014 |
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| 267, Westbourne Park Road986 m away | 116 m² | 244 m² | +128 m² +110% | 2024 |
|---|
| 10, Simon Close732 m away | 167 m² | 291 m² | +124 m² +74% | 2018 |
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| 58, Lancaster Mews835 m away | 143 m² | 263 m² | +120 m² +84% | 2024 |
|---|
| 104, Ledbury Road622 m away | 251 m² | 371 m² | +120 m² +48% | 2019 |
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| 123, Bayswater Road582 m away | 107 m² | 226 m² | +119 m² +111% | 2023 |
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| 19, Hereford Road256 m away | 112 m² | 227 m² | +115 m² +103% | 2016 |
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| 20, Newton Road161 m away | 251 m² | 365 m² | +114 m² +45% | 2018 |
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| 19, Leinster Mews701 m away | 85 m² | 198 m² | +113 m² +133% | 2012 |
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| 146, Kensington Park Road959 m away | 184 m² | 297 m² | +113 m² +61% | 2011 |
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| 47, Lancaster Mews831 m away | 137 m² | 248 m² | +111 m² +81% | 2018 |
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| 21, Courtnell Street592 m away | 119 m² | 229 m² | +110 m² +92% | 2011 |
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| 9, Moorhouse Road552 m away | 200 m² | 308 m² | +108 m² +54% | 2025 |
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| 4, Chepstow Place342 m away | 154 m² | 260 m² | +106 m² +69% | 2020 |
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| 4, Ladbroke Road824 m away | 179 m² | 285 m² | +106 m² +59% | 2013 |
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| 39, Northumberland Place442 m away | 180 m² | 285 m² | +105 m² +58% | 2026 |
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| 10, Leinster Mews701 m away | 113 m² | 218 m² | +105 m² +93% | 2025 |
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| 39, Palace Gardens Terrace926 m away | 89 m² | 191 m² | +102 m² +115% | 2022 |
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| Flat B, Blenheim Court, 108, Lancaster Gate956 m away | 228 m² | 329 m² | +101 m² +44% | 2026 |
|---|
| 3, Chepstow Crescent604 m away | 204 m² | 305 m² | +101 m² +50% | 2024 |
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| 6, Leinster Mews701 m away | 110 m² | 211 m² | +101 m² +92% | 2015 |
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| Flat 2, Burnham Court, Moscow Road279 m away | 88 m² | 188 m² | +100 m² +114% | 2026 |
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| 52, Westbourne Park Road343 m away | 261 m² | 358 m² | +97 m² +37% | 2021 |
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| 144, Kensington Park Road959 m away | 197 m² | 293 m² | +96 m² +49% | 2013 |
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| 110, Westbourne Park Road480 m away | 114 m² | 210 m² | +96 m² +84% | 2010 |
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| 7, Lonsdale Road692 m away | 132 m² | 227 m² | +95 m² +72% | 2026 |
|---|
| 17, Ossington Street530 m away | 263 m² | 358 m² | +95 m² +36% | 2017 |
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| 27, Courtnell Street592 m away | 223 m² | 316 m² | +93 m² +42% | 2019 |
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| Flat 5, 84, Westbourne Terrace692 m away | 71 m² | 160 m² | +89 m² +125% | 2014 |
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| 5, Pembridge Mews617 m away | 165 m² | 252 m² | +87 m² +53% | 2024 |
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| 31, Aldridge Road Villas855 m away | 228 m² | 315 m² | +87 m² +38% | 2024 |
|---|
| 2, Monmouth Road193 m away | 231 m² | 318 m² | +87 m² +38% | 2022 |
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| 50, Lancaster Mews831 m away | 62 m² | 149 m² | +87 m² +140% | 2022 |
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| Flat 15, Oldbury House, Harrow Road661 m away | 86 m² | 173 m² | +87 m² +101% | 2021 |
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| 3, Victoria Gardens924 m away | 127 m² | 213 m² | +86 m² +68% | 2018 |
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| 1, Queens Mews205 m away | 90 m² | 175 m² | +85 m² +94% | 2024 |
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| 5, Northumberland Place408 m away | 135 m² | 218 m² | +83 m² +61% | 2023 |
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| 219, Westbourne Grove674 m away | 248 m² | 329 m² | +81 m² +33% | 2018 |
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| 26, Westbourne Park Villas402 m away | 243 m² | 324 m² | +81 m² +33% | 2012 |
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| 60, Palace Gardens Terrace925 m away | 56 m² | 137 m² | +81 m² +145% | 2012 |
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| 28, Northumberland Place408 m away | 158 m² | 238 m² | +80 m² +51% | 2015 |
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| Flat 5, 47, Linden Gardens580 m away | 73 m² | 152 m² | +79 m² +108% | 2020 |
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| 14, Kensington Place911 m away | 82 m² | 161 m² | +79 m² +96% | 2016 |
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| 288, Westbourne Grove928 m away | 180 m² | 259 m² | +79 m² +44% | 2010 |
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| 16, Bristol Gardens935 m away | 92 m² | 169 m² | +77 m² +84% | 2021 |
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| 16, Queens Mews205 m away | 119 m² | 196 m² | +77 m² +65% | 2013 |
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| 21, Kensington Place911 m away | 125 m² | 202 m² | +77 m² +62% | 2011 |
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| 1, 19, Pembridge Crescent717 m away | 70 m² | 146 m² | +76 m² +109% | 2026 |
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| 10, Marylands Road984 m away | 52 m² | 128 m² | +76 m² +146% | 2017 |
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| 48, Brunswick Gardens927 m away | 53 m² | 129 m² | +76 m² +143% | 2014 |
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| Flat 1, 57, Ladbroke Road873 m away | 56 m² | 131 m² | +75 m² +134% | 2022 |
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| 4, Craven Hill Mews692 m away | 107 m² | 182 m² | +75 m² +70% | 2012 |
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| 46, Brunswick Gardens927 m away | 55 m² | 130 m² | +75 m² +136% | 2008 |
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| Flat 4, 123, Gloucester Terrace752 m away | 68 m² | 142 m² | +74 m² +109% | 2024 |
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| 62, Westbourne Park Road397 m away | 233 m² | 307 m² | +74 m² +32% | 2020 |
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| 31, Pembridge Villas503 m away | 150 m² | 224 m² | +74 m² +49% | 2020 |
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| Flat 4, 5, Strathmore Gardens829 m away | 62 m² | 135 m² | +73 m² +118% | 2025 |
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| 30, Barnwood Close884 m away | 50 m² | 123 m² | +73 m² +146% | 2012 |
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| 16, Victoria Gardens924 m away | 150 m² | 222 m² | +72 m² +48% | 2017 |
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| 29, Jameson Street838 m away | 50 m² | 121 m² | +71 m² +142% | 2018 |
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| 25, Porchester Terrace518 m away | 229 m² | 300 m² | +71 m² +31% | 2012 |
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| 4 - 5, Powis Mews745 m away | 265 m² | 335 m² | +70 m² +26% | 2021 |
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| 6, Monmouth Road193 m away | 177 m² | 247 m² | +70 m² +40% | 2019 |
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| 10, Pembridge Mews617 m away | 86 m² | 155 m² | +69 m² +80% | 2021 |
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| Flat 29, 29, Hereford Road242 m away | 53 m² | 122 m² | +69 m² +130% | 2014 |
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| Flat 1a, Prince Edward Mansions, Hereford Road380 m away | 172 m² | 240 m² | +68 m² +40% | 2025 |
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| 2, Berkeley Gardens992 m away | 52 m² | 120 m² | +68 m² +131% | 2011 |
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| 72, Palace Gardens Terrace925 m away | 291 m² | 357 m² | +66 m² +23% | 2024 |
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| 18, Denbigh Close783 m away | 109 m² | 174 m² | +65 m² +60% | 2024 |
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| 55, Palace Gardens Terrace805 m away | 271 m² | 336 m² | +65 m² +24% | 2023 |
|---|
| 10, Warwick Place914 m away | 111 m² | 176 m² | +65 m² +59% | 2013 |
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| 20e, Westbourne Gardens278 m away | 46 m² | 110 m² | +64 m² +139% | 2025 |
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| 30, Edge Street913 m away | 85 m² | 149 m² | +64 m² +75% | 2024 |
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| 1c, Westbourne Terrace Road744 m away | 126 m² | 190 m² | +64 m² +51% | 2016 |
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| Flat 38, 29, Hereford Road242 m away | 54 m² | 118 m² | +64 m² +119% | 2009 |
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| 34, St Petersburgh Place347 m away | 282 m² | 345 m² | +63 m² +22% | 2024 |
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| 16, Lancaster Mews806 m away | 103 m² | 166 m² | +63 m² +61% | 2023 |
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| 180, Kensington Park Road988 m away | 178 m² | 241 m² | +63 m² +35% | 2009 |
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| Flat 4, 42, Westbourne Gardens232 m away | 100 m² | 162 m² | +62 m² +62% | 2021 |
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| 50, Powis Square701 m away | 61 m² | 123 m² | +62 m² +102% | 2020 |
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| Flat 2, 14, Lancaster Gate879 m away | 182 m² | 244 m² | +62 m² +34% | 2017 |
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| 52, Portobello Road738 m away | 85 m² | 147 m² | +62 m² +73% | 2015 |
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| 18, Artesian Road423 m away | 192 m² | 254 m² | +62 m² +32% | 2013 |
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| 9, Fulton Mews488 m away | 133 m² | 194 m² | +61 m² +46% | 2016 |
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| 69, Talbot Road540 m away | 60 m² | 119 m² | +59 m² +98% | 2024 |
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| 84a, Ledbury Road622 m away | 90 m² | 149 m² | +59 m² +66% | 2024 |
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| 16, Upbrook Mews735 m away | 69 m² | 128 m² | +59 m² +86% | 2024 |
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| 6, Northumberland Place408 m away | 176 m² | 235 m² | +59 m² +34% | 2022 |
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| 32, Brook Mews North858 m away | 101 m² | 160 m² | +59 m² +58% | 2019 |
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| 24, Mcgregor Road967 m away | 231 m² | 290 m² | +59 m² +26% | 2014 |
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| 121, Westbourne Grove259 m away | 58 m² | 117 m² | +59 m² +102% | 2009 |
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| 2, Gloucester Mews West634 m away | 98 m² | 156 m² | +58 m² +59% | 2026 |
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| 30, Monmouth Road171 m away | 235 m² | 293 m² | +58 m² +25% | 2011 |
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| Flat 4, 12, Westbourne Terrace948 m away | 39 m² | 97 m² | +58 m² +149% | 2011 |
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| 146a, Queensway186 m away | 110 m² | 167 m² | +57 m² +52% | 2024 |
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| Flat 4, 26, Alexander Street263 m away | 68 m² | 125 m² | +57 m² +84% | 2023 |
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| 23, Pembridge Mews617 m away | 79 m² | 136 m² | +57 m² +72% | 2021 |
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| 2, Dawson Place394 m away | 155 m² | 212 m² | +57 m² +37% | 2020 |
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| 177, Portobello Road938 m away | 59 m² | 116 m² | +57 m² +97% | 2019 |
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| 8, Warwick Place914 m away | 116 m² | 173 m² | +57 m² +49% | 2017 |
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| 4, Gloucester Mews West634 m away | 106 m² | 163 m² | +57 m² +54% | 2015 |
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| 49, Palace Gardens Terrace926 m away | 54 m² | 111 m² | +57 m² +106% | 2010 |
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| 24, Northumberland Place408 m away | 147 m² | 203 m² | +56 m² +38% | 2023 |
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| 25, Denbigh Terrace790 m away | 98 m² | 154 m² | +56 m² +57% | 2023 |
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| 16a, Courtnell Street564 m away | 116 m² | 172 m² | +56 m² +48% | 2016 |
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| 47, Chepstow Place344 m away | 245 m² | 301 m² | +56 m² +23% | 2013 |
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| 10, Courtnell Street564 m away | 122 m² | 178 m² | +56 m² +46% | 2011 |
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| Flat B, 78, Hereford Road335 m away | 38 m² | 94 m² | +56 m² +147% | 2009 |
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| 31, Lonsdale Road692 m away | 130 m² | 185 m² | +55 m² +42% | 2020 |
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| 164, Kensington Park Road988 m away | 150 m² | 205 m² | +55 m² +37% | 2011 |
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| 28, Hillgate Place968 m away | 73 m² | 128 m² | +55 m² +75% | 2010 |
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| 21, Chepstow Place300 m away | 205 m² | 259 m² | +54 m² +26% | 2025 |
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| 20a, Westbourne Terrace Road750 m away | 61 m² | 115 m² | +54 m² +89% | 2018 |
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| 7, Leinster Mews701 m away | 120 m² | 174 m² | +54 m² +45% | 2017 |
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| 50e, Westbourne Gardens232 m away | 86 m² | 140 m² | +54 m² +63% | 2016 |
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| 5, Leinster Mews701 m away | 126 m² | 180 m² | +54 m² +43% | 2014 |
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| 15, Lonsdale Road692 m away | 46 m² | 100 m² | +54 m² +117% | 2010 |
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| 184b, Kensington Park Road988 m away | 43 m² | 97 m² | +54 m² +126% | 2009 |
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| 12, Edge Street913 m away | 101 m² | 154 m² | +53 m² +52% | 2022 |
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| 22, Portobello Road698 m away | 103 m² | 156 m² | +53 m² +51% | 2021 |
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| Flat 2, 47, Kensington Gardens Square48 m away | 128 m² | 181 m² | +53 m² +41% | 2013 |
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| 66, Palace Gardens Terrace925 m away | 294 m² | 346 m² | +52 m² +18% | 2026 |
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| Flat 3, 105 - 106, Lancaster Gate939 m away | 308 m² | 360 m² | +52 m² +17% | 2026 |
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| 108, Gloucester Terrace676 m away | 60 m² | 112 m² | +52 m² +87% | 2014 |
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| Flat 2, Clanricarde Mansions, Clanricarde Gardens607 m away | 147 m² | 199 m² | +52 m² +35% | 2011 |
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| 76, Westbourne Grove98 m away | 68 m² | 120 m² | +52 m² +76% | 2009 |
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| 7, Chilworth Mews875 m away | 69 m² | 120 m² | +51 m² +74% | 2025 |
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| Flat 3, 26, Alexander Street263 m away | 87 m² | 138 m² | +51 m² +59% | 2023 |
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| 56, Portobello Road738 m away | 88 m² | 139 m² | +51 m² +58% | 2021 |
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| 34, Bristol Gardens927 m away | 133 m² | 184 m² | +51 m² +38% | 2017 |
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| 13, Northumberland Place408 m away | 105 m² | 156 m² | +51 m² +49% | 2014 |
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| Flat 36, Hunter Lodge, Admiral Walk876 m away | 93 m² | 144 m² | +51 m² +55% | 2014 |
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| Flat 7, 1, Porchester Road241 m away | 42 m² | 91 m² | +49 m² +117% | 2025 |
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| 41, Courtnell Street592 m away | 130 m² | 179 m² | +49 m² +38% | 2022 |
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| 1, Kensington Mall785 m away | 37 m² | 86 m² | +49 m² +132% | 2021 |
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| Flat 24, 6, Porchester Terrace594 m away | 100 m² | 149 m² | +49 m² +49% | 2020 |
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| 86, Westbourne Park Road480 m away | 201 m² | 250 m² | +49 m² +24% | 2018 |
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| 12, Denbigh Close783 m away | 85 m² | 134 m² | +49 m² +58% | 2012 |
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| 54, Porchester Road386 m away | 36 m² | 85 m² | +49 m² +136% | 2010 |
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| 40, Ladbroke Square822 m away | 219 m² | 267 m² | +48 m² +22% | 2025 |
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| 7, Victoria Gardens924 m away | 162 m² | 210 m² | +48 m² +30% | 2025 |
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| 93, Gloucester Mews West634 m away | 65 m² | 113 m² | +48 m² +74% | 2020 |
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| Flat 1, 6, Pembridge Villas390 m away | 62 m² | 109 m² | +47 m² +76% | 2025 |
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| Flat 7, 160, Gloucester Terrace595 m away | 66 m² | 113 m² | +47 m² +71% | 2020 |
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| 2, Garden Mews616 m away | 125 m² | 172 m² | +47 m² +38% | 2015 |
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| Flat 5, 22, Palace Court415 m away | 112 m² | 159 m² | +47 m² +42% | 2012 |
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| 4, Peel Street957 m away | 137 m² | 183 m² | +46 m² +34% | 2025 |
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| 48, Peel Street957 m away | 78 m² | 124 m² | +46 m² +59% | 2022 |
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| 3, Kensington Mall785 m away | 70 m² | 116 m² | +46 m² +66% | 2021 |
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| 12e, St Stephens Gardens515 m away | 51 m² | 97 m² | +46 m² +90% | 2019 |
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| 13d, Aldridge Road Villas761 m away | 56 m² | 102 m² | +46 m² +82% | 2018 |
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| 51a, Ledbury Road610 m away | 96 m² | 141 m² | +45 m² +47% | 2024 |
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| 53, Peel Street988 m away | 127 m² | 172 m² | +45 m² +35% | 2023 |
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| 13, Denbigh Close783 m away | 84 m² | 129 m² | +45 m² +54% | 2018 |
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| 5, Cleveland Square611 m away | 90 m² | 135 m² | +45 m² +50% | 2010 |
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| Flat 44, 50, Kensington Gardens Square0 m away | 64 m² | 108 m² | +44 m² +69% | 2017 |
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| 1, Leinster Mews701 m away | 92 m² | 136 m² | +44 m² +48% | 2017 |
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| 10, Blomfield Villas680 m away | 136 m² | 180 m² | +44 m² +32% | 2016 |
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| Flat 8, 3 - 8, Porchester Gate598 m away | 117 m² | 161 m² | +44 m² +38% | 2010 |
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| 1, Westbourne Terrace Road744 m away | 47 m² | 90 m² | +43 m² +91% | 2026 |
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| 68, Portobello Road738 m away | 87 m² | 130 m² | +43 m² +49% | 2019 |
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| 71, Linden Gardens591 m away | 57 m² | 100 m² | +43 m² +75% | 2018 |
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| Flat 5, Matlock Court, 46, Kensington Park Road751 m away | 55 m² | 98 m² | +43 m² +78% | 2018 |
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| 49, St Stephens Gardens523 m away | 61 m² | 104 m² | +43 m² +70% | 2013 |
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| Flat B, 24, Palace Court415 m away | 113 m² | 156 m² | +43 m² +38% | 2012 |
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| 50c, Gloucester Gardens443 m away | 64 m² | 106 m² | +42 m² +66% | 2026 |
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| 3a, Wellington Close562 m away | 127 m² | 169 m² | +42 m² +33% | 2023 |
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| 36, Ledbury Road577 m away | 82 m² | 124 m² | +42 m² +51% | 2022 |
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| 18, Leinster Mews701 m away | 183 m² | 225 m² | +42 m² +23% | 2021 |
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| 40, Newton Road161 m away | 73 m² | 115 m² | +42 m² +58% | 2014 |
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| 12, Colville Mews704 m away | 43 m² | 85 m² | +42 m² +98% | 2009 |
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| Flat 2, 2, Cleveland Gardens581 m away | 79 m² | 120 m² | +41 m² +52% | 2024 |
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| 74, Chepstow Road379 m away | 38 m² | 79 m² | +41 m² +108% | 2020 |
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| 59, Artesian Road531 m away | 141 m² | 182 m² | +41 m² +29% | 2019 |
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| Flat 63, 3 - 8, Porchester Gate598 m away | 199 m² | 239 m² | +40 m² +20% | 2022 |
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| 16, Colville Mews704 m away | 84 m² | 124 m² | +40 m² +48% | 2019 |
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| 10, Portobello Road683 m away | 100 m² | 140 m² | +40 m² +40% | 2016 |
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| 4, Princes Mews294 m away | 125 m² | 165 m² | +40 m² +32% | 2014 |
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| 175, Westbourne Grove539 m away | 60 m² | 100 m² | +40 m² +67% | 2014 |
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| 88, Westbourne Park Road480 m away | 182 m² | 222 m² | +40 m² +22% | 2009 |
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| Flat 27, Beaufort House, 25 - 29, Queensborough Terrace433 m away | 95 m² | 134 m² | +39 m² +41% | 2023 |
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| Aldridge Lodge, Aldridge Road Villas764 m away | 66 m² | 105 m² | +39 m² +59% | 2023 |
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| Flat 7, 52, Queens Gardens593 m away | 51 m² | 90 m² | +39 m² +76% | 2020 |
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| 34, Kensington Gardens Square93 m away | 37 m² | 76 m² | +39 m² +105% | 2019 |
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| 12, Rede Place280 m away | 116 m² | 155 m² | +39 m² +34% | 2016 |
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| 2, St. Olaves Court, St Petersburgh Place480 m away | 56 m² | 94 m² | +38 m² +68% | 2024 |
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| Flat 1, 15, Dawson Place527 m away | 103 m² | 141 m² | +38 m² +37% | 2021 |
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| 21, St Lukes Mews896 m away | 121 m² | 159 m² | +38 m² +31% | 2021 |
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