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 W11 4QP
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 |
|---|---|---|---|---|
| 17, Holland Villas Road527 m away | 629 m² | 1,206 m² | +577 m² +92% | 2026 |
| 3, Addison Crescent802 m away | 484 m² | 920 m² | +436 m² +90% | 2020 |
| 8, Lansdowne Walk525 m away | 395 m² | 814 m² | +419 m² +106% | 2022 |
| 21, Lansdowne Road417 m away | 483 m² | 865 m² | +382 m² +79% | 2017 |
| 9, Ilchester Place982 m away | 336 m² | 675 m² | +339 m² +101% | 2024 |
| 3, Ilchester Place982 m away | 419 m² | 736 m² | +317 m² +76% | 2021 |
| 2, Ilchester Place982 m away | 404 m² | 715 m² | +311 m² +77% | 2021 |
| 77, Woodsford Square549 m away | 204 m² | 501 m² | +297 m² +146% | 2024 |
| 6, Ilchester Place982 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.
| 408 m² |
| 671 m² |
| +263 m² +64% |
| 2020 |
| 38, Clarendon Road347 m away | 376 m² | 606 m² | +230 m² +61% | 2018 |
|---|
| 2, Holland Villas Road684 m away | 809 m² | 1,034 m² | +225 m² +28% | 2019 |
|---|
| 32 - 34, Aubrey Walk802 m away | 237 m² | 448 m² | +211 m² +89% | 2020 |
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| 10, Abbotsbury Road893 m away | 424 m² | 627 m² | +203 m² +48% | 2013 |
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| 72, Holland Park Avenue507 m away | 145 m² | 324 m² | +179 m² +123% | 2021 |
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| 70, Lansdowne Road553 m away | 284 m² | 456 m² | +172 m² +61% | 2026 |
|---|
| 152, Holland Park Avenue194 m away | 204 m² | 365 m² | +161 m² +79% | 2014 |
|---|
| 25, Holland Park459 m away | 850 m² | 1,002 m² | +152 m² +18% | 2024 |
|---|
| 14, Lansdowne Crescent595 m away | 431 m² | 582 m² | +151 m² +35% | 2019 |
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| 8, Addison Crescent802 m away | 475 m² | 625 m² | +150 m² +32% | 2022 |
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| 225, Portland Road541 m away | 159 m² | 302 m² | +143 m² +90% | 2017 |
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| 2, Addison Crescent802 m away | 138 m² | 278 m² | +140 m² +101% | 2014 |
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| 68, Addison Road891 m away | 392 m² | 531 m² | +139 m² +35% | 2024 |
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| 88, Elgin Crescent661 m away | 311 m² | 446 m² | +135 m² +43% | 2022 |
|---|
| 22, Ladbroke Grove642 m away | 150 m² | 282 m² | +132 m² +88% | 2017 |
|---|
| 113, Abbotsbury Road558 m away | 218 m² | 349 m² | +131 m² +60% | 2016 |
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| 113, Ladbroke Road519 m away | 219 m² | 349 m² | +130 m² +59% | 2021 |
|---|
| 90, Elsham Road776 m away | 131 m² | 261 m² | +130 m² +99% | 2012 |
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| 69, Elgin Crescent761 m away | 297 m² | 425 m² | +128 m² +43% | 2015 |
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| 23, Bolingbroke Road804 m away | 160 m² | 286 m² | +126 m² +79% | 2013 |
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| 6, Addison Crescent802 m away | 367 m² | 486 m² | +119 m² +32% | 2022 |
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| 41, Addison Avenue44 m away | 265 m² | 384 m² | +119 m² +45% | 2015 |
|---|
| 77, Addison Gardens903 m away | 189 m² | 305 m² | +116 m² +61% | 2023 |
|---|
| 64, Ladbroke Grove693 m away | 85 m² | 198 m² | +113 m² +133% | 2014 |
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| 146, Kensington Park Road893 m away | 184 m² | 297 m² | +113 m² +61% | 2011 |
|---|
| 10, Boyne Terrace Mews523 m away | 163 m² | 275 m² | +112 m² +69% | 2020 |
|---|
| Flat 30, Chartwell House, 12, Ladbroke Terrace751 m away | 87 m² | 198 m² | +111 m² +128% | 2024 |
|---|
| 26, Ilchester Place982 m away | 363 m² | 473 m² | +110 m² +30% | 2022 |
|---|
| 76, Portland Road304 m away | 331 m² | 440 m² | +109 m² +33% | 2024 |
|---|
| 67b, Clarendon Road353 m away | 174 m² | 283 m² | +109 m² +63% | 2020 |
|---|
| 4, Ladbroke Road958 m away | 179 m² | 285 m² | +106 m² +59% | 2013 |
|---|
| 24, Holland Park Gardens289 m away | 81 m² | 187 m² | +106 m² +131% | 2009 |
|---|
| 14, Campden Hill Square748 m away | 386 m² | 490 m² | +104 m² +27% | 2015 |
|---|
| 7, Queensdale Place99 m away | 129 m² | 231 m² | +102 m² +79% | 2017 |
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| 9, Queensdale Road196 m away | 134 m² | 235 m² | +101 m² +75% | 2020 |
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| 38, Woodsford Square427 m away | 214 m² | 314 m² | +100 m² +47% | 2021 |
|---|
| 3, Addison Place151 m away | 87 m² | 186 m² | +99 m² +114% | 2021 |
|---|
| 6, Kensington Park Mews951 m away | 75 m² | 171 m² | +96 m² +128% | 2024 |
|---|
| 27, Princedale Road240 m away | 198 m² | 294 m² | +96 m² +48% | 2021 |
|---|
| 144, Kensington Park Road893 m away | 197 m² | 293 m² | +96 m² +49% | 2013 |
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| 115, Lansdowne Road742 m away | 259 m² | 353 m² | +94 m² +36% | 2020 |
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| 29, Irving Road970 m away | 74 m² | 168 m² | +94 m² +127% | 2020 |
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| 29, Lansdowne Road451 m away | 379 m² | 472 m² | +93 m² +25% | 2023 |
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| 43, Irving Road970 m away | 152 m² | 244 m² | +92 m² +61% | 2016 |
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| 12, Hillsleigh Road804 m away | 93 m² | 183 m² | +90 m² +97% | 2020 |
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| 12, Aubrey Road663 m away | 118 m² | 208 m² | +90 m² +76% | 2015 |
|---|
| 1, Hillsleigh Road804 m away | 267 m² | 355 m² | +88 m² +33% | 2021 |
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| 104 - 106, Holland Park Avenue350 m away | 239 m² | 325 m² | +86 m² +36% | 2024 |
|---|
| 3, Victoria Gardens884 m away | 127 m² | 213 m² | +86 m² +68% | 2018 |
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| 46, Lansdowne Road553 m away | 237 m² | 323 m² | +86 m² +36% | 2015 |
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| 50, Queensdale Road109 m away | 100 m² | 184 m² | +84 m² +84% | 2024 |
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| 11, Portland Road278 m away | 211 m² | 295 m² | +84 m² +40% | 2021 |
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| 22, Woodsford Square427 m away | 217 m² | 301 m² | +84 m² +39% | 2020 |
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| 9a, Ladbroke Grove615 m away | 86 m² | 169 m² | +83 m² +97% | 2026 |
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| Flat 1, 41, Ladbroke Grove557 m away | 127 m² | 210 m² | +83 m² +65% | 2025 |
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| 9, Boyne Terrace Mews523 m away | 110 m² | 193 m² | +83 m² +75% | 2015 |
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| 99, Addison Road316 m away | 56 m² | 139 m² | +83 m² +148% | 2009 |
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| 65, Abbotsbury Road770 m away | 162 m² | 244 m² | +82 m² +51% | 2026 |
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| 98, Sinclair Road841 m away | 70 m² | 152 m² | +82 m² +117% | 2012 |
|---|
| 17, Stoneleigh Street512 m away | 120 m² | 201 m² | +81 m² +68% | 2020 |
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| 140, Sinclair Road722 m away | 67 m² | 148 m² | +81 m² +121% | 2011 |
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| 84, Portland Road304 m away | 60 m² | 140 m² | +80 m² +133% | 2024 |
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| 36, Elgin Crescent918 m away | 77 m² | 157 m² | +80 m² +104% | 2020 |
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| 288, Westbourne Grove896 m away | 180 m² | 259 m² | +79 m² +44% | 2010 |
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| 61, Clarendon Road353 m away | 353 m² | 431 m² | +78 m² +22% | 2023 |
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| 53c, Holland Park394 m away | 175 m² | 253 m² | +78 m² +45% | 2018 |
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| 84, Sirdar Road507 m away | 140 m² | 218 m² | +78 m² +56% | 2014 |
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| 53, Elgin Crescent846 m away | 55 m² | 132 m² | +77 m² +140% | 2017 |
|---|
| 25, Macfarlane Road892 m away | 103 m² | 180 m² | +77 m² +75% | 2015 |
|---|
| 36, Clarendon Road347 m away | 332 m² | 408 m² | +76 m² +23% | 2019 |
|---|
| 55, Abbotsbury Road770 m away | 146 m² | 222 m² | +76 m² +52% | 2017 |
|---|
| 19, Holland Park Mews438 m away | 58 m² | 133 m² | +75 m² +129% | 2024 |
|---|
| Flat 1, 57, Ladbroke Road919 m away | 56 m² | 131 m² | +75 m² +134% | 2022 |
|---|
| 2, Macfarlane Road925 m away | 99 m² | 174 m² | +75 m² +76% | 2022 |
|---|
| 35, Abbotsbury Close718 m away | 167 m² | 242 m² | +75 m² +45% | 2017 |
|---|
| 4, Codrington Mews890 m away | 90 m² | 164 m² | +74 m² +82% | 2023 |
|---|
| 10, Woodsford Square427 m away | 188 m² | 262 m² | +74 m² +39% | 2014 |
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| 13, Woodsford Square427 m away | 185 m² | 259 m² | +74 m² +40% | 2013 |
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| 44, Princedale Road214 m away | 132 m² | 205 m² | +73 m² +55% | 2025 |
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| 27c, Elgin Crescent907 m away | 51 m² | 124 m² | +73 m² +143% | 2025 |
|---|
| Flat 3, 73, Holland Park482 m away | 96 m² | 169 m² | +73 m² +76% | 2024 |
|---|
| 123, Abbotsbury Road558 m away | 162 m² | 234 m² | +72 m² +44% | 2025 |
|---|
| 36, Princedale Road230 m away | 159 m² | 231 m² | +72 m² +45% | 2021 |
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| 16, Victoria Gardens884 m away | 150 m² | 222 m² | +72 m² +48% | 2017 |
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| 15, Irving Road970 m away | 106 m² | 177 m² | +71 m² +67% | 2017 |
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| 12, Woodsford Square427 m away | 188 m² | 259 m² | +71 m² +38% | 2013 |
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| 5, Camelford Court, Lancaster West771 m away | 78 m² | 146 m² | +68 m² +87% | 2014 |
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| 12, Boyne Terrace Mews523 m away | 122 m² | 189 m² | +67 m² +55% | 2022 |
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| 7, Manderley, Oakwood Court935 m away | 121 m² | 188 m² | +67 m² +55% | 2020 |
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| 71, Ladbroke Road745 m away | 351 m² | 418 m² | +67 m² +19% | 2018 |
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| Flat 5, 27, Holland Park459 m away | 165 m² | 232 m² | +67 m² +41% | 2017 |
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| 18, Denbigh Close979 m away | 109 m² | 174 m² | +65 m² +60% | 2024 |
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| 4, Lansdowne Crescent568 m away | 414 m² | 479 m² | +65 m² +16% | 2021 |
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| 97, Lansdowne Road645 m away | 217 m² | 282 m² | +65 m² +30% | 2021 |
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| 89, Portland Road262 m away | 151 m² | 216 m² | +65 m² +43% | 2018 |
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| 34, Sinclair Road995 m away | 73 m² | 138 m² | +65 m² +89% | 2018 |
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| 87, Portland Road262 m away | 160 m² | 224 m² | +64 m² +40% | 2022 |
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| 115, Elgin Crescent664 m away | 328 m² | 392 m² | +64 m² +20% | 2016 |
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| 16, Stoneleigh Street512 m away | 57 m² | 121 m² | +64 m² +112% | 2010 |
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| 117, Oakwood Court983 m away | 243 m² | 307 m² | +64 m² +26% | 2010 |
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| 27a, Sirdar Road305 m away | 93 m² | 156 m² | +63 m² +68% | 2015 |
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| 180, Kensington Park Road940 m away | 178 m² | 241 m² | +63 m² +35% | 2009 |
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| 2, Hansard Mews543 m away | 88 m² | 150 m² | +62 m² +70% | 2025 |
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| 12, Rockley Road780 m away | 225 m² | 287 m² | +62 m² +28% | 2020 |
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| 52, Portobello Road994 m away | 85 m² | 147 m² | +62 m² +73% | 2015 |
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| 14, Woodsford Square427 m away | 241 m² | 303 m² | +62 m² +26% | 2012 |
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| 28, Queensdale Road60 m away | 163 m² | 224 m² | +61 m² +37% | 2022 |
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| 10, Bolingbroke Road788 m away | 69 m² | 130 m² | +61 m² +88% | 2014 |
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| 14, Elsham Road754 m away | 66 m² | 127 m² | +61 m² +92% | 2009 |
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| 50, Masbro Road989 m away | 114 m² | 174 m² | +60 m² +53% | 2019 |
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| 34, Minford Gardens707 m away | 40 m² | 100 m² | +60 m² +150% | 2015 |
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| 30, Addison Avenue139 m away | 245 m² | 304 m² | +59 m² +24% | 2022 |
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| 10, Kensington Park Mews951 m away | 88 m² | 147 m² | +59 m² +67% | 2021 |
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| 38, Queensdale Road109 m away | 191 m² | 250 m² | +59 m² +31% | 2016 |
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| 62, Minford Gardens829 m away | 130 m² | 188 m² | +58 m² +45% | 2021 |
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| 9, Woodsford Square427 m away | 204 m² | 262 m² | +58 m² +28% | 2014 |
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| 127, Blenheim Crescent706 m away | 209 m² | 266 m² | +57 m² +27% | 2022 |
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| 177, Portobello Road941 m away | 59 m² | 116 m² | +57 m² +97% | 2019 |
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| 8, Russell Gardens816 m away | 41 m² | 98 m² | +57 m² +139% | 2017 |
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| Flat 4, Bush Green House, Pennard Road938 m away | 84 m² | 141 m² | +57 m² +68% | 2016 |
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| 17, Addison Place151 m away | 62 m² | 119 m² | +57 m² +92% | 2014 |
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| 25, Denbigh Terrace977 m away | 98 m² | 154 m² | +56 m² +57% | 2023 |
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| 25, Sterne Street617 m away | 111 m² | 167 m² | +56 m² +50% | 2022 |
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| 40, Frithville Gardens981 m away | 168 m² | 224 m² | +56 m² +33% | 2022 |
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| 26, Pennard Road976 m away | 84 m² | 140 m² | +56 m² +67% | 2009 |
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| 41, Campden Hill Square693 m away | 140 m² | 195 m² | +55 m² +39% | 2025 |
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| Third Floor Flat, 29, Elgin Crescent907 m away | 58 m² | 113 m² | +55 m² +95% | 2024 |
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| 10, Russell Gardens Mews803 m away | 141 m² | 196 m² | +55 m² +39% | 2017 |
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| 164, Kensington Park Road940 m away | 150 m² | 205 m² | +55 m² +37% | 2011 |
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| 28, Hillgate Place992 m away | 73 m² | 128 m² | +55 m² +75% | 2010 |
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| 47, Bolingbroke Road804 m away | 154 m² | 208 m² | +54 m² +35% | 2020 |
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| Flat 4, 46, Arundel Gardens795 m away | 72 m² | 126 m² | +54 m² +75% | 2015 |
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| 184b, Kensington Park Road940 m away | 43 m² | 97 m² | +54 m² +126% | 2009 |
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| 29, Queensdale Road123 m away | 156 m² | 209 m² | +53 m² +34% | 2023 |
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| 2, Princedale Road230 m away | 106 m² | 159 m² | +53 m² +50% | 2022 |
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| 83, Macfarlane Road892 m away | 148 m² | 200 m² | +52 m² +35% | 2018 |
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| Flat 4, 44, Arundel Gardens795 m away | 76 m² | 128 m² | +52 m² +68% | 2016 |
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| 34a, Minford Gardens707 m away | 48 m² | 100 m² | +52 m² +108% | 2015 |
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| 37, Holland Park Mews423 m away | 60 m² | 112 m² | +52 m² +87% | 2012 |
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| 37, Addison Gardens754 m away | 68 m² | 120 m² | +52 m² +76% | 2010 |
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| 46, Lakeside Road875 m away | 121 m² | 172 m² | +51 m² +42% | 2021 |
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| 56, Portobello Road994 m away | 88 m² | 139 m² | +51 m² +58% | 2021 |
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| 62, Bolingbroke Road945 m away | 167 m² | 218 m² | +51 m² +31% | 2016 |
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| 26, Clarendon Road346 m away | 221 m² | 272 m² | +51 m² +23% | 2013 |
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| 25, Blenheim Crescent944 m away | 106 m² | 156 m² | +50 m² +47% | 2026 |
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| 26, Bulwer Street753 m away | 84 m² | 134 m² | +50 m² +60% | 2022 |
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| 120, Campden Hill Road971 m away | 55 m² | 105 m² | +50 m² +91% | 2015 |
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| 159, Holland Park Avenue255 m away | 68 m² | 118 m² | +50 m² +74% | 2014 |
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| 18, Ladbroke Walk734 m away | 119 m² | 169 m² | +50 m² +42% | 2010 |
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| Flat 9, Carlton Mansions, Holland Park Gardens312 m away | 117 m² | 167 m² | +50 m² +43% | 2008 |
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| 71a, Cornwall Crescent763 m away | 44 m² | 93 m² | +49 m² +111% | 2022 |
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| 61, Blenheim Crescent818 m away | 44 m² | 93 m² | +49 m² +111% | 2014 |
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| 12, Denbigh Close979 m away | 85 m² | 134 m² | +49 m² +58% | 2012 |
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| 7, Victoria Gardens884 m away | 162 m² | 210 m² | +48 m² +30% | 2025 |
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| 40, Ladbroke Square922 m away | 219 m² | 267 m² | +48 m² +22% | 2025 |
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| 45a, Lakeside Road853 m away | 108 m² | 156 m² | +48 m² +44% | 2020 |
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| Flat 5, Buckley House, 96, Addison Road296 m away | 90 m² | 138 m² | +48 m² +53% | 2016 |
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| 94, Addison Gardens853 m away | 192 m² | 240 m² | +48 m² +25% | 2015 |
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| 64, Portland Road304 m away | 295 m² | 343 m² | +48 m² +16% | 2013 |
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| 6, Darnley Terrace181 m away | 56 m² | 104 m² | +48 m² +86% | 2012 |
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| 108, Woodsford Square462 m away | 148 m² | 196 m² | +48 m² +32% | 2011 |
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| Flat 6, 8, Holland Villas Road684 m away | 60 m² | 108 m² | +48 m² +80% | 2010 |
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| Flat 3, Buckley House, 96, Addison Road296 m away | 83 m² | 130 m² | +47 m² +57% | 2025 |
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| 11, Kensington Park Mews951 m away | 75 m² | 122 m² | +47 m² +63% | 2018 |
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| 9, Shalfleet Drive795 m away | 50 m² | 97 m² | +47 m² +94% | 2016 |
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| 35, Norland Square120 m away | 54 m² | 101 m² | +47 m² +87% | 2011 |
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| 119, Cassini Apartments, Cascade Way779 m away | 87 m² | 133 m² | +46 m² +53% | 2026 |
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| 51, Kensington Place994 m away | 111 m² | 157 m² | +46 m² +41% | 2026 |
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| 59, Westwick Gardens756 m away | 176 m² | 222 m² | +46 m² +26% | 2025 |
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| 106, Lakeside Road986 m away | 215 m² | 261 m² | +46 m² +21% | 2025 |
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| 19, Kensington Park Road967 m away | 187 m² | 233 m² | +46 m² +25% | 2021 |
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| 106a, Uxbridge Road658 m away | 55 m² | 101 m² | +46 m² +84% | 2019 |
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| 12 - 14, Pottery Lane238 m away | 101 m² | 147 m² | +46 m² +46% | 2011 |
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| 68, Holland Park Avenue507 m away | 127 m² | 173 m² | +46 m² +36% | 2009 |
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| 17, Hofland Road906 m away | 80 m² | 125 m² | +45 m² +56% | 2023 |
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| 28, Lansdowne Road456 m away | 123 m² | 168 m² | +45 m² +37% | 2020 |
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| 13, Denbigh Close979 m away | 84 m² | 129 m² | +45 m² +54% | 2018 |
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| 2, Anley Road915 m away | 100 m² | 145 m² | +45 m² +45% | 2014 |
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| 78, Blenheim Crescent735 m away | 61 m² | 105 m² | +44 m² +72% | 2018 |
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| La Pomme D'Amour Restaurant, 128, Holland Park Avenue277 m away | 46 m² | 90 m² | +44 m² +96% | 2012 |
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| 132, Addison Gardens973 m away | 176 m² | 219 m² | +43 m² +24% | 2021 |
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| 5, Treadgold Street550 m away | 98 m² | 141 m² | +43 m² +44% | 2020 |
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| 6a, Aubrey Road663 m away | 277 m² | 320 m² | +43 m² +16% | 2019 |
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| 68, Portobello Road994 m away | 87 m² | 130 m² | +43 m² +49% | 2019 |
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| 10, Norland Square197 m away | 268 m² | 311 m² | +43 m² +16% | 2018 |
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| Flat 5, Matlock Court, 46, Kensington Park Road992 m away | 55 m² | 98 m² | +43 m² +78% | 2018 |
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| Flat 1, 21, Holland Park Gardens259 m away | 146 m² | 188 m² | +42 m² +29% | 2024 |
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| 29b, Milson Road908 m away | 58 m² | 100 m² | +42 m² +72% | 2022 |
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| Flat 4, Buckley House, 96, Addison Road296 m away | 91 m² | 133 m² | +42 m² +46% | 2020 |
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| Flat A, 17, Bolingbroke Road804 m away | 65 m² | 107 m² | +42 m² +65% | 2019 |
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| 79, Lansdowne Road645 m away | 267 m² | 309 m² | +42 m² +16% | 2014 |
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