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 1TS
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 Walk931 m away | 395 m² | 814 m² | +419 m² +106% | 2022 |
| 21, Lansdowne Road830 m away | 483 m² | 865 m² | +382 m² +79% | 2017 |
| 73, Oxford Gardens373 m away | 408 m² | 705 m² | +297 m² +73% | 2023 |
| 38, Clarendon Road808 m away | 376 m² | 606 m² | +230 m² +61% | 2018 |
| 112, Highlever Road876 m away | 320 m² | 539 m² | +219 m² +68% | 2021 |
| 44, Bassett Road382 m away | 326 m² | 508 m² | +182 m² +56% | 2021 |
| 99, Oxford Gardens268 m away | 337 m² | 517 m² | +180 m² +53% | 2012 |
| 70, Lansdowne Road583 m away | 284 m² | 456 m² | +172 m² +61% | 2026 |
| 28, Wallingford Avenue568 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.
| 144 m² |
| 303 m² |
| +159 m² +110% |
| 2026 |
| 50, Highlever Road642 m away | 138 m² | 292 m² | +154 m² +112% | 2024 |
|---|
| 42, Wallingford Avenue568 m away | 261 m² | 412 m² | +151 m² +58% | 2019 |
|---|
| 14, Lansdowne Crescent642 m away | 431 m² | 582 m² | +151 m² +35% | 2019 |
|---|
| 40, Wallingford Avenue568 m away | 148 m² | 297 m² | +149 m² +101% | 2014 |
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| 27, Kelfield Gardens557 m away | 143 m² | 288 m² | +145 m² +101% | 2021 |
|---|
| 14, Wallingford Avenue642 m away | 229 m² | 372 m² | +143 m² +62% | 2019 |
|---|
| 225, Portland Road375 m away | 159 m² | 302 m² | +143 m² +90% | 2017 |
|---|
| 47, Highlever Road673 m away | 159 m² | 299 m² | +140 m² +88% | 2022 |
|---|
| 88, Elgin Crescent395 m away | 311 m² | 446 m² | +135 m² +43% | 2022 |
|---|
| 267, Westbourne Park Road708 m away | 116 m² | 244 m² | +128 m² +110% | 2024 |
|---|
| 69, Elgin Crescent462 m away | 297 m² | 425 m² | +128 m² +43% | 2015 |
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| 5, Balliol Road523 m away | 137 m² | 261 m² | +124 m² +91% | 2022 |
|---|
| 41, Addison Avenue889 m away | 265 m² | 384 m² | +119 m² +45% | 2015 |
|---|
| 72, Wallingford Avenue483 m away | 100 m² | 216 m² | +116 m² +116% | 2020 |
|---|
| 76, Highlever Road732 m away | 131 m² | 245 m² | +114 m² +87% | 2025 |
|---|
| 26, Wallingford Avenue568 m away | 170 m² | 284 m² | +114 m² +67% | 2018 |
|---|
| 64, Ladbroke Grove698 m away | 85 m² | 198 m² | +113 m² +133% | 2014 |
|---|
| 146, Kensington Park Road729 m away | 184 m² | 297 m² | +113 m² +61% | 2011 |
|---|
| 76, Portland Road709 m away | 331 m² | 440 m² | +109 m² +33% | 2024 |
|---|
| 67b, Clarendon Road679 m away | 174 m² | 283 m² | +109 m² +63% | 2020 |
|---|
| Flat 1, 25, St Quintin Avenue583 m away | 110 m² | 218 m² | +108 m² +98% | 2023 |
|---|
| 7, Queensdale Place895 m away | 129 m² | 231 m² | +102 m² +79% | 2017 |
|---|
| 9, Queensdale Road936 m away | 134 m² | 235 m² | +101 m² +75% | 2020 |
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| 17, Highlever Road595 m away | 106 m² | 206 m² | +100 m² +94% | 2022 |
|---|
| 102, Dalgarno Gardens982 m away | 80 m² | 177 m² | +97 m² +121% | 2017 |
|---|
| 6, Kensington Park Mews576 m away | 75 m² | 171 m² | +96 m² +128% | 2024 |
|---|
| 27, Princedale Road974 m away | 198 m² | 294 m² | +96 m² +48% | 2021 |
|---|
| 144, Kensington Park Road729 m away | 197 m² | 293 m² | +96 m² +49% | 2013 |
|---|
| 7, Lonsdale Road962 m away | 132 m² | 227 m² | +95 m² +72% | 2026 |
|---|
| 11, Dunworth Mews675 m away | 90 m² | 185 m² | +95 m² +106% | 2023 |
|---|
| 21, Kelfield Gardens557 m away | 147 m² | 241 m² | +94 m² +64% | 2026 |
|---|
| 115, Lansdowne Road529 m away | 259 m² | 353 m² | +94 m² +36% | 2020 |
|---|
| 29, Lansdowne Road690 m away | 379 m² | 472 m² | +93 m² +25% | 2023 |
|---|
| 65, Chesterton Road494 m away | 73 m² | 162 m² | +89 m² +122% | 2022 |
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| 35, Finstock Road452 m away | 185 m² | 272 m² | +87 m² +47% | 2022 |
|---|
| 46, Lansdowne Road583 m away | 237 m² | 323 m² | +86 m² +36% | 2015 |
|---|
| 25, Finstock Road452 m away | 207 m² | 291 m² | +84 m² +41% | 2024 |
|---|
| 50, Queensdale Road940 m away | 100 m² | 184 m² | +84 m² +84% | 2024 |
|---|
| 11, Portland Road990 m away | 211 m² | 295 m² | +84 m² +40% | 2021 |
|---|
| Flat 1, 41, Ladbroke Grove884 m away | 127 m² | 210 m² | +83 m² +65% | 2025 |
|---|
| 19, Highlever Road595 m away | 128 m² | 211 m² | +83 m² +65% | 2018 |
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| 17, Stoneleigh Street437 m away | 120 m² | 201 m² | +81 m² +68% | 2020 |
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| 219, Westbourne Grove995 m away | 248 m² | 329 m² | +81 m² +33% | 2018 |
|---|
| 84, Portland Road709 m away | 60 m² | 140 m² | +80 m² +133% | 2024 |
|---|
| 36, Elgin Crescent571 m away | 77 m² | 157 m² | +80 m² +104% | 2020 |
|---|
| 53, Highlever Road673 m away | 135 m² | 215 m² | +80 m² +59% | 2019 |
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| 61, Clarendon Road679 m away | 353 m² | 431 m² | +78 m² +22% | 2023 |
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| 95, St Marks Road389 m away | 65 m² | 143 m² | +78 m² +120% | 2022 |
|---|
| 84, Sirdar Road395 m away | 140 m² | 218 m² | +78 m² +56% | 2014 |
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| 53, Elgin Crescent539 m away | 55 m² | 132 m² | +77 m² +140% | 2017 |
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| 36, Clarendon Road808 m away | 332 m² | 408 m² | +76 m² +23% | 2019 |
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| 4, Codrington Mews510 m away | 90 m² | 164 m² | +74 m² +82% | 2023 |
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| 23, St Quintin Avenue583 m away | 266 m² | 340 m² | +74 m² +28% | 2011 |
|---|
| 27c, Elgin Crescent601 m away | 51 m² | 124 m² | +73 m² +143% | 2025 |
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| 44, Princedale Road812 m away | 132 m² | 205 m² | +73 m² +55% | 2025 |
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| 36, Princedale Road910 m away | 159 m² | 231 m² | +72 m² +45% | 2021 |
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| 15, St Quintin Avenue583 m away | 177 m² | 249 m² | +72 m² +41% | 2011 |
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| 7, St Quintin Avenue583 m away | 315 m² | 386 m² | +71 m² +23% | 2026 |
|---|
| 20c, Bassett Road478 m away | 68 m² | 139 m² | +71 m² +104% | 2021 |
|---|
| 4 - 5, Powis Mews969 m away | 265 m² | 335 m² | +70 m² +26% | 2021 |
|---|
| 21, St Charles Square544 m away | 58 m² | 128 m² | +70 m² +121% | 2020 |
|---|
| 24, Highlever Road567 m away | 142 m² | 210 m² | +68 m² +48% | 2025 |
|---|
| 6, St Quintin Gardens928 m away | 217 m² | 285 m² | +68 m² +31% | 2022 |
|---|
| 5, Camelford Court, Lancaster West227 m away | 78 m² | 146 m² | +68 m² +87% | 2014 |
|---|
| 38, Wallingford Avenue568 m away | 158 m² | 224 m² | +66 m² +42% | 2011 |
|---|
| 19, Balliol Road523 m away | 141 m² | 206 m² | +65 m² +46% | 2026 |
|---|
| 18, Denbigh Close943 m away | 109 m² | 174 m² | +65 m² +60% | 2024 |
|---|
| 19a, Pavilion Terrace907 m away | 78 m² | 143 m² | +65 m² +83% | 2023 |
|---|
| 97, Lansdowne Road504 m away | 217 m² | 282 m² | +65 m² +30% | 2021 |
|---|
| 4, Lansdowne Crescent730 m away | 414 m² | 479 m² | +65 m² +16% | 2021 |
|---|
| 89, Portland Road752 m away | 151 m² | 216 m² | +65 m² +43% | 2018 |
|---|
| 42, Tavistock Road851 m away | 331 m² | 396 m² | +65 m² +20% | 2018 |
|---|
| 87, Portland Road752 m away | 160 m² | 224 m² | +64 m² +40% | 2022 |
|---|
| 115, Elgin Crescent437 m away | 328 m² | 392 m² | +64 m² +20% | 2016 |
|---|
| 16, Stoneleigh Street437 m away | 57 m² | 121 m² | +64 m² +112% | 2010 |
|---|
| 27a, Sirdar Road592 m away | 93 m² | 156 m² | +63 m² +68% | 2015 |
|---|
| 180, Kensington Park Road675 m away | 178 m² | 241 m² | +63 m² +35% | 2009 |
|---|
| 182, Lancaster Road248 m away | 196 m² | 258 m² | +62 m² +32% | 2021 |
|---|
| 50, Powis Square971 m away | 61 m² | 123 m² | +62 m² +102% | 2020 |
|---|
| 34, St Lawrence Terrace676 m away | 232 m² | 294 m² | +62 m² +27% | 2017 |
|---|
| 28, Queensdale Road915 m away | 163 m² | 224 m² | +61 m² +37% | 2022 |
|---|
| 78, St Quintin Avenue776 m away | 101 m² | 161 m² | +60 m² +59% | 2019 |
|---|
| 22a, Pavilion Terrace907 m away | 72 m² | 132 m² | +60 m² +83% | 2017 |
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| 359, Portobello Road715 m away | 102 m² | 162 m² | +60 m² +59% | 2008 |
|---|
| 3, Wallingford Avenue555 m away | 153 m² | 212 m² | +59 m² +39% | 2025 |
|---|
| 10, Kensington Park Mews576 m away | 88 m² | 147 m² | +59 m² +67% | 2021 |
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| 38, Queensdale Road940 m away | 191 m² | 250 m² | +59 m² +31% | 2016 |
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| 24, Mcgregor Road854 m away | 231 m² | 290 m² | +59 m² +26% | 2014 |
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| 28, Chesterton Road642 m away | 45 m² | 103 m² | +58 m² +129% | 2020 |
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| 101, Chesterton Road421 m away | 43 m² | 101 m² | +58 m² +135% | 2012 |
|---|
| Flat B, 53, Golborne Road913 m away | 54 m² | 111 m² | +57 m² +106% | 2025 |
|---|
| 127, Blenheim Crescent327 m away | 209 m² | 266 m² | +57 m² +27% | 2022 |
|---|
| 146, Highlever Road971 m away | 108 m² | 165 m² | +57 m² +53% | 2021 |
|---|
| 177, Portobello Road733 m away | 59 m² | 116 m² | +57 m² +97% | 2019 |
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| 93, St Marks Road389 m away | 109 m² | 166 m² | +57 m² +52% | 2018 |
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| 65, Wallingford Avenue449 m away | 185 m² | 241 m² | +56 m² +30% | 2025 |
|---|
| 25, Denbigh Terrace930 m away | 98 m² | 154 m² | +56 m² +57% | 2023 |
|---|
| Third Floor Flat, 29, Elgin Crescent601 m away | 58 m² | 113 m² | +55 m² +95% | 2024 |
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| 31, Lonsdale Road962 m away | 130 m² | 185 m² | +55 m² +42% | 2020 |
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| Flat 4, 54, Bassett Road382 m away | 82 m² | 137 m² | +55 m² +67% | 2012 |
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| 164, Kensington Park Road675 m away | 150 m² | 205 m² | +55 m² +37% | 2011 |
|---|
| 33, St Lawrence Terrace659 m away | 142 m² | 196 m² | +54 m² +38% | 2021 |
|---|
| Flat 4, 46, Arundel Gardens571 m away | 72 m² | 126 m² | +54 m² +75% | 2015 |
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| 43, Highlever Road595 m away | 147 m² | 201 m² | +54 m² +37% | 2013 |
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| 15, Lonsdale Road962 m away | 46 m² | 100 m² | +54 m² +117% | 2010 |
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| 184b, Kensington Park Road675 m away | 43 m² | 97 m² | +54 m² +126% | 2009 |
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| Flat 4, 4, St Michaels Gardens628 m away | 70 m² | 123 m² | +53 m² +76% | 2026 |
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| 29, Queensdale Road969 m away | 156 m² | 209 m² | +53 m² +34% | 2023 |
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| 2, Princedale Road910 m away | 106 m² | 159 m² | +53 m² +50% | 2022 |
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| 39, Wallingford Avenue449 m away | 110 m² | 163 m² | +53 m² +48% | 2019 |
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| 5, St Michaels Gardens628 m away | 51 m² | 103 m² | +52 m² +102% | 2025 |
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| 82, Dalgarno Gardens982 m away | 91 m² | 143 m² | +52 m² +57% | 2019 |
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| Flat 4, 44, Arundel Gardens571 m away | 76 m² | 128 m² | +52 m² +68% | 2016 |
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| 94, Cambridge Gardens266 m away | 72 m² | 124 m² | +52 m² +72% | 2015 |
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| 143, Chesterton Road421 m away | 191 m² | 242 m² | +51 m² +27% | 2016 |
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| 26, Clarendon Road911 m away | 221 m² | 272 m² | +51 m² +23% | 2013 |
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| 25, Blenheim Crescent526 m away | 106 m² | 156 m² | +50 m² +47% | 2026 |
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| 71a, Cornwall Crescent262 m away | 44 m² | 93 m² | +49 m² +111% | 2022 |
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| 222, Latimer Road657 m away | 125 m² | 174 m² | +49 m² +39% | 2020 |
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| 5, Nascot Street857 m away | 101 m² | 150 m² | +49 m² +49% | 2015 |
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| 61, Blenheim Crescent378 m away | 44 m² | 93 m² | +49 m² +111% | 2014 |
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| 68, Highlever Road732 m away | 133 m² | 182 m² | +49 m² +37% | 2013 |
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| 12, Denbigh Close943 m away | 85 m² | 134 m² | +49 m² +58% | 2012 |
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| 165, Oxford Gardens478 m away | 124 m² | 173 m² | +49 m² +40% | 2011 |
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| 64, Portland Road709 m away | 295 m² | 343 m² | +48 m² +16% | 2013 |
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| 6, Darnley Terrace789 m away | 56 m² | 104 m² | +48 m² +86% | 2012 |
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| 3, Ruston Mews227 m away | 93 m² | 140 m² | +47 m² +51% | 2026 |
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| 6, Scampston Mews200 m away | 82 m² | 129 m² | +47 m² +57% | 2024 |
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| 69, Cornwall Crescent262 m away | 35 m² | 82 m² | +47 m² +134% | 2023 |
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| 11, Kensington Park Mews576 m away | 75 m² | 122 m² | +47 m² +63% | 2018 |
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| 9, Shalfleet Drive353 m away | 50 m² | 97 m² | +47 m² +94% | 2016 |
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| 35, Norland Square909 m away | 54 m² | 101 m² | +47 m² +87% | 2011 |
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| 119, Cassini Apartments, Cascade Way627 m away | 87 m² | 133 m² | +46 m² +53% | 2026 |
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| 19, Kensington Park Road600 m away | 187 m² | 233 m² | +46 m² +25% | 2021 |
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| 77, Tavistock Road704 m away | 58 m² | 104 m² | +46 m² +79% | 2017 |
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| 12 - 14, Pottery Lane810 m away | 101 m² | 147 m² | +46 m² +46% | 2011 |
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| 86, Highlever Road732 m away | 144 m² | 189 m² | +45 m² +31% | 2020 |
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| 28, Lansdowne Road827 m away | 123 m² | 168 m² | +45 m² +37% | 2020 |
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| 53, Oxford Gardens373 m away | 139 m² | 184 m² | +45 m² +32% | 2019 |
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| 13, Denbigh Close943 m away | 84 m² | 129 m² | +45 m² +54% | 2018 |
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| 16, Shinfield Street809 m away | 110 m² | 155 m² | +45 m² +41% | 2017 |
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| 19, Ruston Mews227 m away | 95 m² | 139 m² | +44 m² +46% | 2026 |
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| 13, Oxford Gardens585 m away | 58 m² | 102 m² | +44 m² +76% | 2026 |
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| 78, Blenheim Crescent293 m away | 61 m² | 105 m² | +44 m² +72% | 2018 |
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| 29, Pangbourne Avenue800 m away | 89 m² | 133 m² | +44 m² +49% | 2013 |
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| 85, Oxford Gardens282 m away | 92 m² | 136 m² | +44 m² +48% | 2010 |
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| 33, Pangbourne Avenue800 m away | 95 m² | 138 m² | +43 m² +45% | 2024 |
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| 5, Treadgold Street338 m away | 98 m² | 141 m² | +43 m² +44% | 2020 |
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| 10, Norland Square987 m away | 268 m² | 311 m² | +43 m² +16% | 2018 |
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| 5, Blagrove Road706 m away | 40 m² | 83 m² | +43 m² +108% | 2013 |
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| 137, Highlever Road987 m away | 167 m² | 209 m² | +42 m² +25% | 2024 |
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| 264, Latimer Road657 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
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| 32, Elgin Crescent571 m away | 37 m² | 79 m² | +42 m² +114% | 2015 |
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| 7, Highlever Road595 m away | 126 m² | 168 m² | +42 m² +33% | 2015 |
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| 355, Ladbroke Grove980 m away | 50 m² | 92 m² | +42 m² +84% | 2015 |
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| 79, Lansdowne Road504 m away | 267 m² | 309 m² | +42 m² +16% | 2014 |
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| 12, Colville Mews950 m away | 43 m² | 85 m² | +42 m² +98% | 2009 |
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| 104, Wornington Road895 m away | 50 m² | 91 m² | +41 m² +82% | 2026 |
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| 17a, Nascot Street857 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
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| 127, Chesterton Road421 m away | 48 m² | 89 m² | +41 m² +85% | 2020 |
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| Flat 76, Nottingwood House, Clarendon Road301 m away | 36 m² | 76 m² | +40 m² +111% | 2022 |
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| 16, Colville Mews950 m away | 84 m² | 124 m² | +40 m² +48% | 2019 |
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| Flat 4, 104, Cambridge Gardens228 m away | 35 m² | 74 m² | +39 m² +111% | 2019 |
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| 12, St Andrews Square94 m away | 71 m² | 110 m² | +39 m² +55% | 2016 |
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| 22, St Charles Square665 m away | 48 m² | 87 m² | +39 m² +81% | 2015 |
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| 221, Portobello Road629 m away | 38 m² | 77 m² | +39 m² +103% | 2010 |
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| 11, Hewer Street830 m away | 191 m² | 229 m² | +38 m² +20% | 2024 |
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| 50, St Lukes Road910 m away | 50 m² | 88 m² | +38 m² +76% | 2022 |
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| 7, Kensington Park Mews576 m away | 126 m² | 164 m² | +38 m² +30% | 2021 |
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| 21, St Lukes Mews857 m away | 121 m² | 159 m² | +38 m² +31% | 2021 |
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| 168, Portobello Road687 m away | 35 m² | 73 m² | +38 m² +109% | 2011 |
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| 134, Highlever Road971 m away | 111 m² | 148 m² | +37 m² +33% | 2026 |
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| 77, Cornwall Crescent262 m away | 101 m² | 138 m² | +37 m² +37% | 2024 |
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| 7, Leamington Road Villas984 m away | 64 m² | 101 m² | +37 m² +58% | 2018 |
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| 34a, Eynham Road840 m away | 76 m² | 113 m² | +37 m² +49% | 2016 |
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| 22, Bracewell Road992 m away | 54 m² | 91 m² | +37 m² +69% | 2012 |
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| 105a, Clarendon Road431 m away | 83 m² | 119 m² | +36 m² +43% | 2022 |
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| 256, Latimer Road657 m away | 84 m² | 120 m² | +36 m² +43% | 2021 |
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| Flat 2, 42, Blenheim Crescent347 m away | 39 m² | 75 m² | +36 m² +92% | 2019 |
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| 37a, Leamington Road Villas976 m away | 56 m² | 92 m² | +36 m² +64% | 2018 |
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| 5, Highlever Road595 m away | 56 m² | 92 m² | +36 m² +64% | 2014 |
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| 287, Westbourne Grove800 m away | 38 m² | 74 m² | +36 m² +95% | 2013 |
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| 56, Addison Avenue881 m away | 228 m² | 263 m² | +35 m² +15% | 2025 |
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| Coronation Court, Brewster Gardens966 m away | 54 m² | 89 m² | +35 m² +65% | 2023 |
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| 320, Westbourne Park Road457 m away | 65 m² | 100 m² | +35 m² +54% | 2021 |
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| 6, Treadgold Street338 m away | 94 m² | 129 m² | +35 m² +37% | 2020 |
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| 112, Ladbroke Grove395 m away | 48 m² | 83 m² | +35 m² +73% | 2016 |
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| 33b, Stoneleigh Street437 m away | 72 m² | 107 m² | +35 m² +49% | 2016 |
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| 33, St Quintin Avenue583 m away | 70 m² | 105 m² | +35 m² +50% | 2012 |
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| 9, St Quintin Gardens928 m away | 29 m² | 64 m² | +35 m² +121% | 2009 |
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| 6b, Penzance Place705 m away | 50 m² | 84 m² | +34 m² +68% | 2024 |
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