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 3DP
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 |
|---|---|---|---|---|
| 8, Lansdowne Walk439 m away | 395 m² | 814 m² | +419 m² +106% | 2022 |
| 13, Dawson Place318 m away | 506 m² | 906 m² | +400 m² +79% | 2022 |
| 21, Lansdowne Road521 m away | 483 m² | 865 m² | +382 m² +79% | 2017 |
| 58, Bedford Gardens738 m away | 233 m² | 520 m² | +287 m² +123% | 2022 |
| 7, Tor Gardens905 m away | 295 m² | 581 m² | +286 m² +97% | 2016 |
| 3, Orme Square788 m away | 755 m² | 1,011 m² | +256 m² +34% | 2016 |
| 10, Dawson Place435 m away | 371 m² | 607 m² | +236 m² +64% | 2022 |
| 38, Clarendon Road589 m away | 376 m² | 606 m² | +230 m² +61% | 2018 |
| 10, Chepstow Place461 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.
| 224 m² |
| 446 m² |
| +222 m² +99% |
| 2013 |
| 45, Hornton Street918 m away | 241 m² | 460 m² | +219 m² +91% | 2018 |
|---|
| 32 - 34, Aubrey Walk626 m away | 237 m² | 448 m² | +211 m² +89% | 2020 |
|---|
| 34, Chepstow Place461 m away | 161 m² | 366 m² | +205 m² +127% | 2017 |
|---|
| 30, Newton Road788 m away | 230 m² | 413 m² | +183 m² +80% | 2022 |
|---|
| 72, Holland Park Avenue584 m away | 145 m² | 324 m² | +179 m² +123% | 2021 |
|---|
| 40, St Petersburgh Place734 m away | 324 m² | 502 m² | +178 m² +55% | 2026 |
|---|
| 70, Lansdowne Road498 m away | 284 m² | 456 m² | +172 m² +61% | 2026 |
|---|
| 12, Pembridge Place378 m away | 181 m² | 353 m² | +172 m² +95% | 2014 |
|---|
| 30, Chepstow Villas190 m away | 272 m² | 435 m² | +163 m² +60% | 2020 |
|---|
| 46, Bedford Gardens738 m away | 631 m² | 794 m² | +163 m² +26% | 2018 |
|---|
| 25, Holland Park864 m away | 850 m² | 1,002 m² | +152 m² +18% | 2024 |
|---|
| 14, Lansdowne Crescent422 m away | 431 m² | 582 m² | +151 m² +35% | 2019 |
|---|
| 58, Campden Street707 m away | 129 m² | 274 m² | +145 m² +112% | 2018 |
|---|
| 9, Courtnell Street465 m away | 133 m² | 277 m² | +144 m² +108% | 2021 |
|---|
| 10, Chepstow Crescent241 m away | 246 m² | 390 m² | +144 m² +59% | 2020 |
|---|
| 225, Portland Road744 m away | 159 m² | 302 m² | +143 m² +90% | 2017 |
|---|
| 8, Monmouth Road674 m away | 186 m² | 326 m² | +140 m² +75% | 2022 |
|---|
| 17, Gloucester Walk962 m away | 154 m² | 293 m² | +139 m² +90% | 2025 |
|---|
| 88, Elgin Crescent617 m away | 311 m² | 446 m² | +135 m² +43% | 2022 |
|---|
| 22, Ladbroke Grove371 m away | 150 m² | 282 m² | +132 m² +88% | 2017 |
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| 113, Ladbroke Road527 m away | 219 m² | 349 m² | +130 m² +59% | 2021 |
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| 119, Ledbury Road473 m away | 98 m² | 227 m² | +129 m² +132% | 2014 |
|---|
| 267, Westbourne Park Road575 m away | 116 m² | 244 m² | +128 m² +110% | 2024 |
|---|
| 69, Elgin Crescent527 m away | 297 m² | 425 m² | +128 m² +43% | 2015 |
|---|
| 2, Brunswick Gardens899 m away | 287 m² | 413 m² | +126 m² +44% | 2015 |
|---|
| 3, Inverness Gardens942 m away | 301 m² | 425 m² | +124 m² +41% | 2025 |
|---|
| 10, Simon Close74 m away | 167 m² | 291 m² | +124 m² +74% | 2018 |
|---|
| 80, Campden Hill Road923 m away | 419 m² | 541 m² | +122 m² +29% | 2014 |
|---|
| 104, Ledbury Road462 m away | 251 m² | 371 m² | +120 m² +48% | 2019 |
|---|
| 41, Addison Avenue979 m away | 265 m² | 384 m² | +119 m² +45% | 2015 |
|---|
| 19, Hereford Road545 m away | 112 m² | 227 m² | +115 m² +103% | 2016 |
|---|
| 20, Newton Road788 m away | 251 m² | 365 m² | +114 m² +45% | 2018 |
|---|
| 25, Bedford Gardens778 m away | 213 m² | 327 m² | +114 m² +54% | 2009 |
|---|
| 64, Ladbroke Grove321 m away | 85 m² | 198 m² | +113 m² +133% | 2014 |
|---|
| 146, Kensington Park Road280 m away | 184 m² | 297 m² | +113 m² +61% | 2011 |
|---|
| 10, Boyne Terrace Mews545 m away | 163 m² | 275 m² | +112 m² +69% | 2020 |
|---|
| Flat 30, Chartwell House, 12, Ladbroke Terrace306 m away | 87 m² | 198 m² | +111 m² +128% | 2024 |
|---|
| 21, Courtnell Street465 m away | 119 m² | 229 m² | +110 m² +92% | 2011 |
|---|
| 76, Portland Road656 m away | 331 m² | 440 m² | +109 m² +33% | 2024 |
|---|
| 67b, Clarendon Road619 m away | 174 m² | 283 m² | +109 m² +63% | 2020 |
|---|
| 9, Moorhouse Road505 m away | 200 m² | 308 m² | +108 m² +54% | 2025 |
|---|
| 4, Chepstow Place461 m away | 154 m² | 260 m² | +106 m² +69% | 2020 |
|---|
| 4, Ladbroke Road277 m away | 179 m² | 285 m² | +106 m² +59% | 2013 |
|---|
| 39, Northumberland Place569 m away | 180 m² | 285 m² | +105 m² +58% | 2026 |
|---|
| 9, Vicarage Gardens972 m away | 311 m² | 415 m² | +104 m² +33% | 2025 |
|---|
| 14, Campden Hill Square606 m away | 386 m² | 490 m² | +104 m² +27% | 2015 |
|---|
| 39, Palace Gardens Terrace801 m away | 89 m² | 191 m² | +102 m² +115% | 2022 |
|---|
| 3, Chepstow Crescent197 m away | 204 m² | 305 m² | +101 m² +50% | 2024 |
|---|
| 9, Queensdale Road782 m away | 134 m² | 235 m² | +101 m² +75% | 2020 |
|---|
| Flat 2, Burnham Court, Moscow Road848 m away | 88 m² | 188 m² | +100 m² +114% | 2026 |
|---|
| 52, Westbourne Park Road978 m away | 261 m² | 358 m² | +97 m² +37% | 2021 |
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| 6, Kensington Park Mews480 m away | 75 m² | 171 m² | +96 m² +128% | 2024 |
|---|
| 27, Princedale Road767 m away | 198 m² | 294 m² | +96 m² +48% | 2021 |
|---|
| 144, Kensington Park Road280 m away | 197 m² | 293 m² | +96 m² +49% | 2013 |
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| 110, Westbourne Park Road880 m away | 114 m² | 210 m² | +96 m² +84% | 2010 |
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| 7, Lonsdale Road327 m away | 132 m² | 227 m² | +95 m² +72% | 2026 |
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| 11, Dunworth Mews544 m away | 90 m² | 185 m² | +95 m² +106% | 2023 |
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| 17, Ossington Street627 m away | 263 m² | 358 m² | +95 m² +36% | 2017 |
|---|
| 115, Lansdowne Road462 m away | 259 m² | 353 m² | +94 m² +36% | 2020 |
|---|
| 29, Lansdowne Road515 m away | 379 m² | 472 m² | +93 m² +25% | 2023 |
|---|
| 27, Courtnell Street465 m away | 223 m² | 316 m² | +93 m² +42% | 2019 |
|---|
| 12, Hillsleigh Road529 m away | 93 m² | 183 m² | +90 m² +97% | 2020 |
|---|
| 12, Aubrey Road614 m away | 118 m² | 208 m² | +90 m² +76% | 2015 |
|---|
| 1, Hillsleigh Road529 m away | 267 m² | 355 m² | +88 m² +33% | 2021 |
|---|
| 5, Pembridge Mews189 m away | 165 m² | 252 m² | +87 m² +53% | 2024 |
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| 31, Aldridge Road Villas842 m away | 228 m² | 315 m² | +87 m² +38% | 2024 |
|---|
| 2, Monmouth Road674 m away | 231 m² | 318 m² | +87 m² +38% | 2022 |
|---|
| 104 - 106, Holland Park Avenue742 m away | 239 m² | 325 m² | +86 m² +36% | 2024 |
|---|
| 3, Victoria Gardens339 m away | 127 m² | 213 m² | +86 m² +68% | 2018 |
|---|
| 46, Lansdowne Road498 m away | 237 m² | 323 m² | +86 m² +36% | 2015 |
|---|
| 1, Queens Mews806 m away | 90 m² | 175 m² | +85 m² +94% | 2024 |
|---|
| 11, Portland Road742 m away | 211 m² | 295 m² | +84 m² +40% | 2021 |
|---|
| 9a, Ladbroke Grove461 m away | 86 m² | 169 m² | +83 m² +97% | 2026 |
|---|
| Flat 1, 41, Ladbroke Grove386 m away | 127 m² | 210 m² | +83 m² +65% | 2025 |
|---|
| 5, Northumberland Place598 m away | 135 m² | 218 m² | +83 m² +61% | 2023 |
|---|
| 9, Boyne Terrace Mews545 m away | 110 m² | 193 m² | +83 m² +75% | 2015 |
|---|
| 50, Sheffield Terrace809 m away | 229 m² | 312 m² | +83 m² +36% | 2015 |
|---|
| 16, Sheffield Terrace809 m away | 257 m² | 339 m² | +82 m² +32% | 2026 |
|---|
| 219, Westbourne Grove239 m away | 248 m² | 329 m² | +81 m² +33% | 2018 |
|---|
| 60, Palace Gardens Terrace845 m away | 56 m² | 137 m² | +81 m² +145% | 2012 |
|---|
| 84, Portland Road656 m away | 60 m² | 140 m² | +80 m² +133% | 2024 |
|---|
| 36, Elgin Crescent464 m away | 77 m² | 157 m² | +80 m² +104% | 2020 |
|---|
| 28, Northumberland Place598 m away | 158 m² | 238 m² | +80 m² +51% | 2015 |
|---|
| Flat 5, 47, Linden Gardens408 m away | 73 m² | 152 m² | +79 m² +108% | 2020 |
|---|
| 14, Kensington Place586 m away | 82 m² | 161 m² | +79 m² +96% | 2016 |
|---|
| 288, Westbourne Grove233 m away | 180 m² | 259 m² | +79 m² +44% | 2010 |
|---|
| 61, Clarendon Road619 m away | 353 m² | 431 m² | +78 m² +22% | 2023 |
|---|
| 53c, Holland Park834 m away | 175 m² | 253 m² | +78 m² +45% | 2018 |
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| 84, Sirdar Road957 m away | 140 m² | 218 m² | +78 m² +56% | 2014 |
|---|
| 53, Elgin Crescent464 m away | 55 m² | 132 m² | +77 m² +140% | 2017 |
|---|
| 16, Queens Mews806 m away | 119 m² | 196 m² | +77 m² +65% | 2013 |
|---|
| 21, Kensington Place586 m away | 125 m² | 202 m² | +77 m² +62% | 2011 |
|---|
| 1, 19, Pembridge Crescent86 m away | 70 m² | 146 m² | +76 m² +109% | 2026 |
|---|
| 36, Clarendon Road589 m away | 332 m² | 408 m² | +76 m² +23% | 2019 |
|---|
| 48, Brunswick Gardens784 m away | 53 m² | 129 m² | +76 m² +143% | 2014 |
|---|
| 19, Holland Park Mews847 m away | 58 m² | 133 m² | +75 m² +129% | 2024 |
|---|
| Flat 1, 57, Ladbroke Road301 m away | 56 m² | 131 m² | +75 m² +134% | 2022 |
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| 46, Brunswick Gardens784 m away | 55 m² | 130 m² | +75 m² +136% | 2008 |
|---|
| 4, Codrington Mews513 m away | 90 m² | 164 m² | +74 m² +82% | 2023 |
|---|
| 31, Pembridge Villas300 m away | 150 m² | 224 m² | +74 m² +49% | 2020 |
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| 62, Westbourne Park Road910 m away | 233 m² | 307 m² | +74 m² +32% | 2020 |
|---|
| 27c, Elgin Crescent426 m away | 51 m² | 124 m² | +73 m² +143% | 2025 |
|---|
| Flat 4, 5, Strathmore Gardens681 m away | 62 m² | 135 m² | +73 m² +118% | 2025 |
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| 44, Princedale Road722 m away | 132 m² | 205 m² | +73 m² +55% | 2025 |
|---|
| Flat 3, 73, Holland Park676 m away | 96 m² | 169 m² | +73 m² +76% | 2024 |
|---|
| 6, Bedford Gardens738 m away | 236 m² | 308 m² | +72 m² +31% | 2024 |
|---|
| 36, Princedale Road732 m away | 159 m² | 231 m² | +72 m² +45% | 2021 |
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| 16, Victoria Gardens339 m away | 150 m² | 222 m² | +72 m² +48% | 2017 |
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| 17894 m away | 56 m² | 128 m² | +72 m² +129% | 2008 |
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| 29, Jameson Street550 m away | 50 m² | 121 m² | +71 m² +142% | 2018 |
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| 4 - 5, Powis Mews563 m away | 265 m² | 335 m² | +70 m² +26% | 2021 |
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| 6, Monmouth Road674 m away | 177 m² | 247 m² | +70 m² +40% | 2019 |
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| 10, Pembridge Mews189 m away | 86 m² | 155 m² | +69 m² +80% | 2021 |
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| Flat 29, 29, Hereford Road570 m away | 53 m² | 122 m² | +69 m² +130% | 2014 |
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| Flat 1a, Prince Edward Mansions, Hereford Road533 m away | 172 m² | 240 m² | +68 m² +40% | 2025 |
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| 5, Camelford Court, Lancaster West764 m away | 78 m² | 146 m² | +68 m² +87% | 2014 |
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| 2, Berkeley Gardens812 m away | 52 m² | 120 m² | +68 m² +131% | 2011 |
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| 12, Boyne Terrace Mews545 m away | 122 m² | 189 m² | +67 m² +55% | 2022 |
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| 71, Ladbroke Road355 m away | 351 m² | 418 m² | +67 m² +19% | 2018 |
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| Flat 5, 27, Holland Park864 m away | 165 m² | 232 m² | +67 m² +41% | 2017 |
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| 72, Palace Gardens Terrace845 m away | 291 m² | 357 m² | +66 m² +23% | 2024 |
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| 18, Denbigh Close98 m away | 109 m² | 174 m² | +65 m² +60% | 2024 |
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| 55, Palace Gardens Terrace683 m away | 271 m² | 336 m² | +65 m² +24% | 2023 |
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| 4, Lansdowne Crescent391 m away | 414 m² | 479 m² | +65 m² +16% | 2021 |
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| 97, Lansdowne Road513 m away | 217 m² | 282 m² | +65 m² +30% | 2021 |
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| 89, Portland Road683 m away | 151 m² | 216 m² | +65 m² +43% | 2018 |
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| 42, Tavistock Road821 m away | 331 m² | 396 m² | +65 m² +20% | 2018 |
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| 20e, Westbourne Gardens962 m away | 46 m² | 110 m² | +64 m² +139% | 2025 |
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| 30, Edge Street618 m away | 85 m² | 149 m² | +64 m² +75% | 2024 |
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| 87, Portland Road683 m away | 160 m² | 224 m² | +64 m² +40% | 2022 |
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| 115, Elgin Crescent572 m away | 328 m² | 392 m² | +64 m² +20% | 2016 |
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| Flat 38, 29, Hereford Road570 m away | 54 m² | 118 m² | +64 m² +119% | 2009 |
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| 34, St Petersburgh Place734 m away | 282 m² | 345 m² | +63 m² +22% | 2024 |
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| Flat 3, 9, Vicarage Gate987 m away | 67 m² | 130 m² | +63 m² +94% | 2019 |
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| 27a, Sirdar Road939 m away | 93 m² | 156 m² | +63 m² +68% | 2015 |
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| 180, Kensington Park Road367 m away | 178 m² | 241 m² | +63 m² +35% | 2009 |
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| 182, Lancaster Road869 m away | 196 m² | 258 m² | +62 m² +32% | 2021 |
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| Flat 4, 42, Westbourne Gardens891 m away | 100 m² | 162 m² | +62 m² +62% | 2021 |
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| 50, Powis Square462 m away | 61 m² | 123 m² | +62 m² +102% | 2020 |
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| 52, Portobello Road86 m away | 85 m² | 147 m² | +62 m² +73% | 2015 |
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| 18, Artesian Road506 m away | 192 m² | 254 m² | +62 m² +32% | 2013 |
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| 28, Queensdale Road905 m away | 163 m² | 224 m² | +61 m² +37% | 2022 |
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| 78, Kensington Church Street908 m away | 58 m² | 118 m² | +60 m² +103% | 2010 |
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| 84a, Ledbury Road462 m away | 90 m² | 149 m² | +59 m² +66% | 2024 |
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| 69, Talbot Road584 m away | 60 m² | 119 m² | +59 m² +98% | 2024 |
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| 6, Northumberland Place598 m away | 176 m² | 235 m² | +59 m² +34% | 2022 |
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| 30, Addison Avenue983 m away | 245 m² | 304 m² | +59 m² +24% | 2022 |
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| 10, Kensington Park Mews480 m away | 88 m² | 147 m² | +59 m² +67% | 2021 |
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| 24, Mcgregor Road739 m away | 231 m² | 290 m² | +59 m² +26% | 2014 |
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| 121, Westbourne Grove566 m away | 58 m² | 117 m² | +59 m² +102% | 2009 |
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| 12, Vicarage Gate987 m away | 107 m² | 166 m² | +59 m² +55% | 2009 |
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| 30, Monmouth Road632 m away | 235 m² | 293 m² | +58 m² +25% | 2011 |
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| 146a, Queensway978 m away | 110 m² | 167 m² | +57 m² +52% | 2024 |
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| Flat 4, 26, Alexander Street794 m away | 68 m² | 125 m² | +57 m² +84% | 2023 |
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| 127, Blenheim Crescent672 m away | 209 m² | 266 m² | +57 m² +27% | 2022 |
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| 23, Pembridge Mews189 m away | 79 m² | 136 m² | +57 m² +72% | 2021 |
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| 2, Dawson Place435 m away | 155 m² | 212 m² | +57 m² +37% | 2020 |
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| 177, Portobello Road304 m away | 59 m² | 116 m² | +57 m² +97% | 2019 |
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| 49, Palace Gardens Terrace801 m away | 54 m² | 111 m² | +57 m² +106% | 2010 |
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| 25, Denbigh Terrace110 m away | 98 m² | 154 m² | +56 m² +57% | 2023 |
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| 24, Northumberland Place598 m away | 147 m² | 203 m² | +56 m² +38% | 2023 |
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| 16a, Courtnell Street480 m away | 116 m² | 172 m² | +56 m² +48% | 2016 |
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| 47, Chepstow Place500 m away | 245 m² | 301 m² | +56 m² +23% | 2013 |
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| 10, Courtnell Street480 m away | 122 m² | 178 m² | +56 m² +46% | 2011 |
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| Flat B, 78, Hereford Road724 m away | 38 m² | 94 m² | +56 m² +147% | 2009 |
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| 41, Campden Hill Square564 m away | 140 m² | 195 m² | +55 m² +39% | 2025 |
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| Third Floor Flat, 29, Elgin Crescent426 m away | 58 m² | 113 m² | +55 m² +95% | 2024 |
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| 31, Lonsdale Road327 m away | 130 m² | 185 m² | +55 m² +42% | 2020 |
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| 164, Kensington Park Road367 m away | 150 m² | 205 m² | +55 m² +37% | 2011 |
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| 28, Hillgate Place530 m away | 73 m² | 128 m² | +55 m² +75% | 2010 |
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| 21, Chepstow Place502 m away | 205 m² | 259 m² | +54 m² +26% | 2025 |
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| 1, Bedford Gardens Studios, 79, Bedford Gardens791 m away | 63 m² | 117 m² | +54 m² +86% | 2022 |
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| 50e, Westbourne Gardens891 m away | 86 m² | 140 m² | +54 m² +63% | 2016 |
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| Flat 4, 46, Arundel Gardens420 m away | 72 m² | 126 m² | +54 m² +75% | 2015 |
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| 32, Sheffield Terrace809 m away | 193 m² | 247 m² | +54 m² +28% | 2013 |
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| 15, Lonsdale Road327 m away | 46 m² | 100 m² | +54 m² +117% | 2010 |
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| 184b, Kensington Park Road367 m away | 43 m² | 97 m² | +54 m² +126% | 2009 |
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| 12, Edge Street618 m away | 101 m² | 154 m² | +53 m² +52% | 2022 |
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| 2, Princedale Road732 m away | 106 m² | 159 m² | +53 m² +50% | 2022 |
|---|
| 22, Portobello Road188 m away | 103 m² | 156 m² | +53 m² +51% | 2021 |
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| Flat 2, 47, Kensington Gardens Square754 m away | 128 m² | 181 m² | +53 m² +41% | 2013 |
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| 66, Palace Gardens Terrace845 m away | 294 m² | 346 m² | +52 m² +18% | 2026 |
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| Flat 4, 44, Arundel Gardens420 m away | 76 m² | 128 m² | +52 m² +68% | 2016 |
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| 37, Holland Park Mews836 m away | 60 m² | 112 m² | +52 m² +87% | 2012 |
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| Flat 2, Clanricarde Mansions, Clanricarde Gardens600 m away | 147 m² | 199 m² | +52 m² +35% | 2011 |
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| 76, Westbourne Grove751 m away | 68 m² | 120 m² | +52 m² +76% | 2009 |
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| Flat 3, 26, Alexander Street794 m away | 87 m² | 138 m² | +51 m² +59% | 2023 |
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| 56, Portobello Road86 m away | 88 m² | 139 m² | +51 m² +58% | 2021 |
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| 13, Northumberland Place598 m away | 105 m² | 156 m² | +51 m² +49% | 2014 |
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| 26, Clarendon Road616 m away | 221 m² | 272 m² | +51 m² +23% | 2013 |
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| 25, Blenheim Crescent528 m away | 106 m² | 156 m² | +50 m² +47% | 2026 |
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