Finding extended homes…
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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 4DJ
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 Place544 m away | 506 m² | 906 m² | +400 m² +79% | 2022 |
| 3, Orme Square409 m away | 755 m² | 1,011 m² | +256 m² +34% | 2016 |
| 10, Dawson Place413 m away | 371 m² | 607 m² | +236 m² +64% | 2022 |
| 10, Chepstow Place388 m away | 224 m² | 446 m² | +222 m² +99% | 2013 |
| 34, Chepstow Place388 m away | 161 m² | 366 m² | +205 m² +127% | 2017 |
| 30, Newton Road289 m away | 230 m² | 413 m² | +183 m² +80% | 2022 |
| 40, St Petersburgh Place259 m away | 324 m² | 502 m² | +178 m² +55% | 2026 |
| 12, Pembridge Place470 m away | 181 m² | 353 m² | +172 m² +95% | 2014 |
| 30, Chepstow Villas691 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 Street695 m away | 133 m² | 277 m² | +144 m² +108% | 2021 |
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| 10, Chepstow Crescent606 m away | 246 m² | 390 m² | +144 m² +59% | 2020 |
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| 8, Monmouth Road310 m away | 186 m² | 326 m² | +140 m² +75% | 2022 |
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| 119, Ledbury Road772 m away | 98 m² | 227 m² | +129 m² +132% | 2014 |
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| 2, Brunswick Gardens954 m away | 287 m² | 413 m² | +126 m² +44% | 2015 |
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| 3, Inverness Gardens977 m away | 301 m² | 425 m² | +124 m² +41% | 2025 |
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| 10, Simon Close770 m away | 167 m² | 291 m² | +124 m² +74% | 2018 |
|---|
| 58, Lancaster Mews728 m away | 143 m² | 263 m² | +120 m² +84% | 2024 |
|---|
| 104, Ledbury Road725 m away | 251 m² | 371 m² | +120 m² +48% | 2019 |
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| 123, Bayswater Road456 m away | 107 m² | 226 m² | +119 m² +111% | 2023 |
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| 19, Hereford Road312 m away | 112 m² | 227 m² | +115 m² +103% | 2016 |
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| 20, Newton Road289 m away | 251 m² | 365 m² | +114 m² +45% | 2018 |
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| 19, Leinster Mews582 m away | 85 m² | 198 m² | +113 m² +133% | 2012 |
|---|
| Flat 12, Vicarage Gate House, Vicarage Gate998 m away | 382 m² | 494 m² | +112 m² +29% | 2017 |
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| 47, Lancaster Mews723 m away | 137 m² | 248 m² | +111 m² +81% | 2018 |
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| 21, Courtnell Street695 m away | 119 m² | 229 m² | +110 m² +92% | 2011 |
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| 9, Moorhouse Road659 m away | 200 m² | 308 m² | +108 m² +54% | 2025 |
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| 4, Chepstow Place388 m away | 154 m² | 260 m² | +106 m² +69% | 2020 |
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| 4, Ladbroke Road823 m away | 179 m² | 285 m² | +106 m² +59% | 2013 |
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| 39, Northumberland Place555 m away | 180 m² | 285 m² | +105 m² +58% | 2026 |
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| 10, Leinster Mews582 m away | 113 m² | 218 m² | +105 m² +93% | 2025 |
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| 39, Palace Gardens Terrace849 m away | 89 m² | 191 m² | +102 m² +115% | 2022 |
|---|
| Flat B, Blenheim Court, 108, Lancaster Gate845 m away | 228 m² | 329 m² | +101 m² +44% | 2026 |
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| 3, Chepstow Crescent648 m away | 204 m² | 305 m² | +101 m² +50% | 2024 |
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| 6, Leinster Mews582 m away | 110 m² | 211 m² | +101 m² +92% | 2015 |
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| Flat 2, Burnham Court, Moscow Road158 m away | 88 m² | 188 m² | +100 m² +114% | 2026 |
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| 52, Westbourne Park Road453 m away | 261 m² | 358 m² | +97 m² +37% | 2021 |
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| 110, Westbourne Park Road607 m away | 114 m² | 210 m² | +96 m² +84% | 2010 |
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| 7, Lonsdale Road779 m away | 132 m² | 227 m² | +95 m² +72% | 2026 |
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| 17, Ossington Street465 m away | 263 m² | 358 m² | +95 m² +36% | 2017 |
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| 27, Courtnell Street695 m away | 223 m² | 316 m² | +93 m² +42% | 2019 |
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| Flat 5, 84, Westbourne Terrace640 m away | 71 m² | 160 m² | +89 m² +125% | 2014 |
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| 5, Pembridge Mews654 m away | 165 m² | 252 m² | +87 m² +53% | 2024 |
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| 31, Aldridge Road Villas980 m away | 228 m² | 315 m² | +87 m² +38% | 2024 |
|---|
| 2, Monmouth Road310 m away | 231 m² | 318 m² | +87 m² +38% | 2022 |
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| 50, Lancaster Mews723 m away | 62 m² | 149 m² | +87 m² +140% | 2022 |
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| Flat 15, Oldbury House, Harrow Road772 m away | 86 m² | 173 m² | +87 m² +101% | 2021 |
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| 45, Conduit Mews932 m away | 94 m² | 180 m² | +86 m² +91% | 2022 |
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| 3, Victoria Gardens919 m away | 127 m² | 213 m² | +86 m² +68% | 2018 |
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| 1, Queens Mews97 m away | 90 m² | 175 m² | +85 m² +94% | 2024 |
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| 5, Northumberland Place524 m away | 135 m² | 218 m² | +83 m² +61% | 2023 |
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| 219, Westbourne Grove748 m away | 248 m² | 329 m² | +81 m² +33% | 2018 |
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| 26, Westbourne Park Villas506 m away | 243 m² | 324 m² | +81 m² +33% | 2012 |
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| 60, Palace Gardens Terrace842 m away | 56 m² | 137 m² | +81 m² +145% | 2012 |
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| 28, Northumberland Place524 m away | 158 m² | 238 m² | +80 m² +51% | 2015 |
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| Flat 5, 47, Linden Gardens562 m away | 73 m² | 152 m² | +79 m² +108% | 2020 |
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| 14, Kensington Place865 m away | 82 m² | 161 m² | +79 m² +96% | 2016 |
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| 288, Westbourne Grove994 m away | 180 m² | 259 m² | +79 m² +44% | 2010 |
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| 16, Queens Mews97 m away | 119 m² | 196 m² | +77 m² +65% | 2013 |
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| 21, Kensington Place865 m away | 125 m² | 202 m² | +77 m² +62% | 2011 |
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| 1, 19, Pembridge Crescent757 m away | 70 m² | 146 m² | +76 m² +109% | 2026 |
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| 48, Brunswick Gardens853 m away | 53 m² | 129 m² | +76 m² +143% | 2014 |
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| Flat 1, 57, Ladbroke Road871 m away | 56 m² | 131 m² | +75 m² +134% | 2022 |
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| 4, Craven Hill Mews594 m away | 107 m² | 182 m² | +75 m² +70% | 2012 |
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| 46, Brunswick Gardens853 m away | 55 m² | 130 m² | +75 m² +136% | 2008 |
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| Flat 4, 123, Gloucester Terrace669 m away | 68 m² | 142 m² | +74 m² +109% | 2024 |
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| 62, Westbourne Park Road521 m away | 233 m² | 307 m² | +74 m² +32% | 2020 |
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| 31, Pembridge Villas543 m away | 150 m² | 224 m² | +74 m² +49% | 2020 |
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| Flat 4, 5, Strathmore Gardens764 m away | 62 m² | 135 m² | +73 m² +118% | 2025 |
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| 30, Barnwood Close973 m away | 50 m² | 123 m² | +73 m² +146% | 2012 |
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| 16, Victoria Gardens919 m away | 150 m² | 222 m² | +72 m² +48% | 2017 |
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| 17925 m away | 56 m² | 128 m² | +72 m² +129% | 2008 |
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| 29, Jameson Street794 m away | 50 m² | 121 m² | +71 m² +142% | 2018 |
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| 25, Porchester Terrace401 m away | 229 m² | 300 m² | +71 m² +31% | 2012 |
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| 4 - 5, Powis Mews856 m away | 265 m² | 335 m² | +70 m² +26% | 2021 |
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| 6, Monmouth Road310 m away | 177 m² | 247 m² | +70 m² +40% | 2019 |
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| 10, Pembridge Mews654 m away | 86 m² | 155 m² | +69 m² +80% | 2021 |
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| Flat 29, 29, Hereford Road324 m away | 53 m² | 122 m² | +69 m² +130% | 2014 |
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| Flat 1a, Prince Edward Mansions, Hereford Road358 m away | 172 m² | 240 m² | +68 m² +40% | 2025 |
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| 2, Berkeley Gardens919 m away | 52 m² | 120 m² | +68 m² +131% | 2011 |
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| 72, Palace Gardens Terrace842 m away | 291 m² | 357 m² | +66 m² +23% | 2024 |
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| 18, Denbigh Close839 m away | 109 m² | 174 m² | +65 m² +60% | 2024 |
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| 55, Palace Gardens Terrace737 m away | 271 m² | 336 m² | +65 m² +24% | 2023 |
|---|
| 10, Warwick Place965 m away | 111 m² | 176 m² | +65 m² +59% | 2013 |
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| 20e, Westbourne Gardens383 m away | 46 m² | 110 m² | +64 m² +139% | 2025 |
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| 30, Edge Street863 m away | 85 m² | 149 m² | +64 m² +75% | 2024 |
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| 1c, Westbourne Terrace Road791 m away | 126 m² | 190 m² | +64 m² +51% | 2016 |
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| Flat 38, 29, Hereford Road324 m away | 54 m² | 118 m² | +64 m² +119% | 2009 |
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| 34, St Petersburgh Place259 m away | 282 m² | 345 m² | +63 m² +22% | 2024 |
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| 16, Lancaster Mews699 m away | 103 m² | 166 m² | +63 m² +61% | 2023 |
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| Flat 4, 42, Westbourne Gardens349 m away | 100 m² | 162 m² | +62 m² +62% | 2021 |
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| 50, Powis Square803 m away | 61 m² | 123 m² | +62 m² +102% | 2020 |
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| Flat 2, 14, Lancaster Gate770 m away | 182 m² | 244 m² | +62 m² +34% | 2017 |
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| 52, Portobello Road771 m away | 85 m² | 147 m² | +62 m² +73% | 2015 |
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| 18, Artesian Road526 m away | 192 m² | 254 m² | +62 m² +32% | 2013 |
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| 9, Fulton Mews365 m away | 133 m² | 194 m² | +61 m² +46% | 2016 |
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| 16, Upbrook Mews650 m away | 69 m² | 128 m² | +59 m² +86% | 2024 |
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| 69, Talbot Road656 m away | 60 m² | 119 m² | +59 m² +98% | 2024 |
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| 84a, Ledbury Road725 m away | 90 m² | 149 m² | +59 m² +66% | 2024 |
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| 6, Northumberland Place524 m away | 176 m² | 235 m² | +59 m² +34% | 2022 |
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| 32, Brook Mews North760 m away | 101 m² | 160 m² | +59 m² +58% | 2019 |
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| 121, Westbourne Grove349 m away | 58 m² | 117 m² | +59 m² +102% | 2009 |
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| 2, Gloucester Mews West569 m away | 98 m² | 156 m² | +58 m² +59% | 2026 |
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| 30, Monmouth Road251 m away | 235 m² | 293 m² | +58 m² +25% | 2011 |
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| Flat 4, 12, Westbourne Terrace856 m away | 39 m² | 97 m² | +58 m² +149% | 2011 |
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| 146a, Queensway156 m away | 110 m² | 167 m² | +57 m² +52% | 2024 |
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| Flat 4, 26, Alexander Street391 m away | 68 m² | 125 m² | +57 m² +84% | 2023 |
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| 23, Pembridge Mews654 m away | 79 m² | 136 m² | +57 m² +72% | 2021 |
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| 2, Dawson Place413 m away | 155 m² | 212 m² | +57 m² +37% | 2020 |
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| 8, Warwick Place965 m away | 116 m² | 173 m² | +57 m² +49% | 2017 |
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| 4, Gloucester Mews West569 m away | 106 m² | 163 m² | +57 m² +54% | 2015 |
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| 49, Palace Gardens Terrace849 m away | 54 m² | 111 m² | +57 m² +106% | 2010 |
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| 24, Northumberland Place524 m away | 147 m² | 203 m² | +56 m² +38% | 2023 |
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| 25, Denbigh Terrace848 m away | 98 m² | 154 m² | +56 m² +57% | 2023 |
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| 16a, Courtnell Street669 m away | 116 m² | 172 m² | +56 m² +48% | 2016 |
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| 47, Chepstow Place352 m away | 245 m² | 301 m² | +56 m² +23% | 2013 |
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| 10, Courtnell Street669 m away | 122 m² | 178 m² | +56 m² +46% | 2011 |
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| Flat B, 78, Hereford Road462 m away | 38 m² | 94 m² | +56 m² +147% | 2009 |
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| 31, Lonsdale Road779 m away | 130 m² | 185 m² | +55 m² +42% | 2020 |
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| 28, Hillgate Place936 m away | 73 m² | 128 m² | +55 m² +75% | 2010 |
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| 21, Chepstow Place346 m away | 205 m² | 259 m² | +54 m² +26% | 2025 |
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| 20a, Westbourne Terrace Road791 m away | 61 m² | 115 m² | +54 m² +89% | 2018 |
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| 7, Leinster Mews582 m away | 120 m² | 174 m² | +54 m² +45% | 2017 |
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| 50e, Westbourne Gardens349 m away | 86 m² | 140 m² | +54 m² +63% | 2016 |
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| 5, Leinster Mews582 m away | 126 m² | 180 m² | +54 m² +43% | 2014 |
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| 15, Lonsdale Road779 m away | 46 m² | 100 m² | +54 m² +117% | 2010 |
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| 12, Edge Street863 m away | 101 m² | 154 m² | +53 m² +52% | 2022 |
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| 22, Portobello Road716 m away | 103 m² | 156 m² | +53 m² +51% | 2021 |
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| Flat 2, 47, Kensington Gardens Square156 m away | 128 m² | 181 m² | +53 m² +41% | 2013 |
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| Flat 3, 105 - 106, Lancaster Gate827 m away | 308 m² | 360 m² | +52 m² +17% | 2026 |
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| 66, Palace Gardens Terrace842 m away | 294 m² | 346 m² | +52 m² +18% | 2026 |
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| 108, Gloucester Terrace617 m away | 60 m² | 112 m² | +52 m² +87% | 2014 |
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| Flat 2, Clanricarde Mansions, Clanricarde Gardens547 m away | 147 m² | 199 m² | +52 m² +35% | 2011 |
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| 76, Westbourne Grove223 m away | 68 m² | 120 m² | +52 m² +76% | 2009 |
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| 7, Chilworth Mews806 m away | 69 m² | 120 m² | +51 m² +74% | 2025 |
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| Flat 3, 26, Alexander Street391 m away | 87 m² | 138 m² | +51 m² +59% | 2023 |
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| 56, Portobello Road771 m away | 88 m² | 139 m² | +51 m² +58% | 2021 |
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| 13, Northumberland Place524 m away | 105 m² | 156 m² | +51 m² +49% | 2014 |
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| Flat 36, Hunter Lodge, Admiral Walk999 m away | 93 m² | 144 m² | +51 m² +55% | 2014 |
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| Flat 7, 1, Porchester Road282 m away | 42 m² | 91 m² | +49 m² +117% | 2025 |
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| 41, Courtnell Street695 m away | 130 m² | 179 m² | +49 m² +38% | 2022 |
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| 1, Kensington Mall723 m away | 37 m² | 86 m² | +49 m² +132% | 2021 |
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| Flat 24, 6, Porchester Terrace467 m away | 100 m² | 149 m² | +49 m² +49% | 2020 |
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| 86, Westbourne Park Road607 m away | 201 m² | 250 m² | +49 m² +24% | 2018 |
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| 12, Denbigh Close839 m away | 85 m² | 134 m² | +49 m² +58% | 2012 |
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| 54, Porchester Road468 m away | 36 m² | 85 m² | +49 m² +136% | 2010 |
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| 40, Ladbroke Square838 m away | 219 m² | 267 m² | +48 m² +22% | 2025 |
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| 7, Victoria Gardens919 m away | 162 m² | 210 m² | +48 m² +30% | 2025 |
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| 93, Gloucester Mews West569 m away | 65 m² | 113 m² | +48 m² +74% | 2020 |
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| Flat 1, 6, Pembridge Villas468 m away | 62 m² | 109 m² | +47 m² +76% | 2025 |
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| Flat 7, 160, Gloucester Terrace566 m away | 66 m² | 113 m² | +47 m² +71% | 2020 |
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| 2, Garden Mews592 m away | 125 m² | 172 m² | +47 m² +38% | 2015 |
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| Flat 5, 22, Palace Court349 m away | 112 m² | 159 m² | +47 m² +42% | 2012 |
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| 51, Kensington Place967 m away | 111 m² | 157 m² | +46 m² +41% | 2026 |
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| 4, Peel Street904 m away | 137 m² | 183 m² | +46 m² +34% | 2025 |
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| 48, Peel Street904 m away | 78 m² | 124 m² | +46 m² +59% | 2022 |
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| 3, Kensington Mall723 m away | 70 m² | 116 m² | +46 m² +66% | 2021 |
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| 12e, St Stephens Gardens643 m away | 51 m² | 97 m² | +46 m² +90% | 2019 |
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| 13d, Aldridge Road Villas884 m away | 56 m² | 102 m² | +46 m² +82% | 2018 |
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| 51a, Ledbury Road679 m away | 96 m² | 141 m² | +45 m² +47% | 2024 |
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| 53, Peel Street934 m away | 127 m² | 172 m² | +45 m² +35% | 2023 |
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| 13, Denbigh Close839 m away | 84 m² | 129 m² | +45 m² +54% | 2018 |
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| 5, Cleveland Square541 m away | 90 m² | 135 m² | +45 m² +50% | 2010 |
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| Flat 44, 50, Kensington Gardens Square128 m away | 64 m² | 108 m² | +44 m² +69% | 2017 |
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| 1, Leinster Mews582 m away | 92 m² | 136 m² | +44 m² +48% | 2017 |
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| 10, Blomfield Villas730 m away | 136 m² | 180 m² | +44 m² +32% | 2016 |
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| Flat 8, 3 - 8, Porchester Gate470 m away | 117 m² | 161 m² | +44 m² +38% | 2010 |
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| 1, Westbourne Terrace Road791 m away | 47 m² | 90 m² | +43 m² +91% | 2026 |
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| 68, Portobello Road771 m away | 87 m² | 130 m² | +43 m² +49% | 2019 |
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| 71, Linden Gardens561 m away | 57 m² | 100 m² | +43 m² +75% | 2018 |
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| Flat 5, Matlock Court, 46, Kensington Park Road768 m away | 55 m² | 98 m² | +43 m² +78% | 2018 |
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| 49, St Stephens Gardens648 m away | 61 m² | 104 m² | +43 m² +70% | 2013 |
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| Flat B, 24, Palace Court349 m away | 113 m² | 156 m² | +43 m² +38% | 2012 |
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| 50c, Gloucester Gardens441 m away | 64 m² | 106 m² | +42 m² +66% | 2026 |
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| 3a, Wellington Close651 m away | 127 m² | 169 m² | +42 m² +33% | 2023 |
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| 36, Ledbury Road648 m away | 82 m² | 124 m² | +42 m² +51% | 2022 |
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| 18, Leinster Mews582 m away | 183 m² | 225 m² | +42 m² +23% | 2021 |
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| 40, Newton Road289 m away | 73 m² | 115 m² | +42 m² +58% | 2014 |
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| 12, Colville Mews795 m away | 43 m² | 85 m² | +42 m² +98% | 2009 |
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| Flat 2, 2, Cleveland Gardens522 m away | 79 m² | 120 m² | +41 m² +52% | 2024 |
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| 74, Chepstow Road500 m away | 38 m² | 79 m² | +41 m² +108% | 2020 |
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| 59, Artesian Road625 m away | 141 m² | 182 m² | +41 m² +29% | 2019 |
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| Flat 63, 3 - 8, Porchester Gate470 m away | 199 m² | 239 m² | +40 m² +20% | 2022 |
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| 16, Colville Mews795 m away | 84 m² | 124 m² | +40 m² +48% | 2019 |
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| 10, Portobello Road692 m away | 100 m² | 140 m² | +40 m² +40% | 2016 |
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| 4, Princes Mews259 m away | 125 m² | 165 m² | +40 m² +32% | 2014 |
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| 175, Westbourne Grove617 m away | 60 m² | 100 m² | +40 m² +67% | 2014 |
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| 88, Westbourne Park Road607 m away | 182 m² | 222 m² | +40 m² +22% | 2009 |
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| Flat 27, Beaufort House, 25 - 29, Queensborough Terrace308 m away | 95 m² | 134 m² | +39 m² +41% | 2023 |
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| Aldridge Lodge, Aldridge Road Villas886 m away | 66 m² | 105 m² | +39 m² +59% | 2023 |
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| Flat 7, 52, Queens Gardens487 m away | 51 m² | 90 m² | +39 m² +76% | 2020 |
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| 34, Kensington Gardens Square96 m away | 37 m² | 76 m² | +39 m² +105% | 2019 |
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| 12, Rede Place323 m away | 116 m² | 155 m² | +39 m² +34% | 2016 |
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| 88, Kensington Church Street951 m away | 127 m² | 166 m² | +39 m² +31% | 2010 |
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| 2, St. Olaves Court, St Petersburgh Place391 m away | 56 m² | 94 m² | +38 m² +68% | 2024 |
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| Flat 1, 15, Dawson Place544 m away | 103 m² | 141 m² | +38 m² +37% | 2021 |
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| 5, Strathmore Gardens764 m away | 54 m² | 92 m² | +38 m² +70% | 2020 |
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| Flat 4, 24, Palace Gardens Terrace936 m away | 118 m² | 156 m² | +38 m² +32% | 2018 |
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| 38, Spring Street975 m away | 33 m² | 71 m² | +38 m² +115% | 2012 |
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| 30, Westbourne Park Villas506 m away | 232 m² | 270 m² | +38 m² +16% | 2009 |
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| Basement, 33, Chepstow Place346 m away | 56 m² | 93 m² | +37 m² +66% | 2023 |
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