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 W12 7RG
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 |
|---|---|---|---|---|
| 73, Oxford Gardens978 m away | 408 m² | 705 m² | +297 m² +73% | 2023 |
| 38, Clarendon Road956 m away | 376 m² | 606 m² | +230 m² +61% | 2018 |
| 112, Highlever Road989 m away | 320 m² | 539 m² | +219 m² +68% | 2021 |
| 44, Bassett Road892 m away | 326 m² | 508 m² | +182 m² +56% | 2021 |
| 99, Oxford Gardens705 m away | 337 m² | 517 m² | +180 m² +53% | 2012 |
| 70, Lansdowne Road909 m away | 284 m² | 456 m² | +172 m² +61% | 2026 |
| 152, Holland Park Avenue942 m away | 204 m² | 365 m² | +161 m² +79% | 2014 |
| 28, Wallingford Avenue743 m away | 144 m² | 303 m² | +159 m² +110% | 2026 |
| 50, Highlever Road702 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.
| 138 m² |
| 292 m² |
| +154 m² +112% |
| 2024 |
| 42, Wallingford Avenue743 m away | 261 m² | 412 m² | +151 m² +58% | 2019 |
|---|
| 14, Lansdowne Crescent985 m away | 431 m² | 582 m² | +151 m² +35% | 2019 |
|---|
| 40, Wallingford Avenue743 m away | 148 m² | 297 m² | +149 m² +101% | 2014 |
|---|
| 27, Kelfield Gardens650 m away | 143 m² | 288 m² | +145 m² +101% | 2021 |
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| 14, Wallingford Avenue815 m away | 229 m² | 372 m² | +143 m² +62% | 2019 |
|---|
| 225, Portland Road665 m away | 159 m² | 302 m² | +143 m² +90% | 2017 |
|---|
| 47, Highlever Road703 m away | 159 m² | 299 m² | +140 m² +88% | 2022 |
|---|
| 88, Elgin Crescent818 m away | 311 m² | 446 m² | +135 m² +43% | 2022 |
|---|
| 69, Elgin Crescent943 m away | 297 m² | 425 m² | +128 m² +43% | 2015 |
|---|
| 5, Balliol Road603 m away | 137 m² | 261 m² | +124 m² +91% | 2022 |
|---|
| 41, Addison Avenue754 m away | 265 m² | 384 m² | +119 m² +45% | 2015 |
|---|
| 72, Wallingford Avenue644 m away | 100 m² | 216 m² | +116 m² +116% | 2020 |
|---|
| 76, Highlever Road821 m away | 131 m² | 245 m² | +114 m² +87% | 2025 |
|---|
| 26, Wallingford Avenue743 m away | 170 m² | 284 m² | +114 m² +67% | 2018 |
|---|
| 76, Portland Road840 m away | 331 m² | 440 m² | +109 m² +33% | 2024 |
|---|
| 67b, Clarendon Road849 m away | 174 m² | 283 m² | +109 m² +63% | 2020 |
|---|
| Flat 1, 25, St Quintin Avenue826 m away | 110 m² | 218 m² | +108 m² +98% | 2023 |
|---|
| 7, Queensdale Place720 m away | 129 m² | 231 m² | +102 m² +79% | 2017 |
|---|
| 9, Queensdale Road945 m away | 134 m² | 235 m² | +101 m² +75% | 2020 |
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| 17, Highlever Road590 m away | 106 m² | 206 m² | +100 m² +94% | 2022 |
|---|
| 3, Addison Place844 m away | 87 m² | 186 m² | +99 m² +114% | 2021 |
|---|
| 27, Princedale Road993 m away | 198 m² | 294 m² | +96 m² +48% | 2021 |
|---|
| 21, Kelfield Gardens650 m away | 147 m² | 241 m² | +94 m² +64% | 2026 |
|---|
| 51, Abdale Road744 m away | 112 m² | 206 m² | +94 m² +84% | 2023 |
|---|
| 115, Lansdowne Road984 m away | 259 m² | 353 m² | +94 m² +36% | 2020 |
|---|
| 29, Lansdowne Road930 m away | 379 m² | 472 m² | +93 m² +25% | 2023 |
|---|
| 320, Uxbridge Road919 m away | 88 m² | 176 m² | +88 m² +100% | 2020 |
|---|
| 35, Finstock Road696 m away | 185 m² | 272 m² | +87 m² +47% | 2022 |
|---|
| 46, Lansdowne Road909 m away | 237 m² | 323 m² | +86 m² +36% | 2015 |
|---|
| 25, Finstock Road696 m away | 207 m² | 291 m² | +84 m² +41% | 2024 |
|---|
| 50, Queensdale Road759 m away | 100 m² | 184 m² | +84 m² +84% | 2024 |
|---|
| 99, Stanlake Road583 m away | 82 m² | 165 m² | +83 m² +101% | 2020 |
|---|
| 19, Highlever Road590 m away | 128 m² | 211 m² | +83 m² +65% | 2018 |
|---|
| 17, Stoneleigh Street372 m away | 120 m² | 201 m² | +81 m² +68% | 2020 |
|---|
| 84, Portland Road840 m away | 60 m² | 140 m² | +80 m² +133% | 2024 |
|---|
| 53, Highlever Road703 m away | 135 m² | 215 m² | +80 m² +59% | 2019 |
|---|
| 61, Clarendon Road849 m away | 353 m² | 431 m² | +78 m² +22% | 2023 |
|---|
| 95, St Marks Road812 m away | 65 m² | 143 m² | +78 m² +120% | 2022 |
|---|
| 84, Sirdar Road449 m away | 140 m² | 218 m² | +78 m² +56% | 2014 |
|---|
| 25, Macfarlane Road606 m away | 103 m² | 180 m² | +77 m² +75% | 2015 |
|---|
| 36, Clarendon Road956 m away | 332 m² | 408 m² | +76 m² +23% | 2019 |
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| 2, Macfarlane Road641 m away | 99 m² | 174 m² | +75 m² +76% | 2022 |
|---|
| 23, St Quintin Avenue826 m away | 266 m² | 340 m² | +74 m² +28% | 2011 |
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| 44, Princedale Road870 m away | 132 m² | 205 m² | +73 m² +55% | 2025 |
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| 36, Princedale Road952 m away | 159 m² | 231 m² | +72 m² +45% | 2021 |
|---|
| 15, St Quintin Avenue826 m away | 177 m² | 249 m² | +72 m² +41% | 2011 |
|---|
| 7, St Quintin Avenue826 m away | 315 m² | 386 m² | +71 m² +23% | 2026 |
|---|
| 24, Highlever Road599 m away | 142 m² | 210 m² | +68 m² +48% | 2025 |
|---|
| 5, Camelford Court, Lancaster West748 m away | 78 m² | 146 m² | +68 m² +87% | 2014 |
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| 42, Warbeck Road963 m away | 71 m² | 139 m² | +68 m² +96% | 2014 |
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| 12, Bloemfontein Avenue964 m away | 100 m² | 167 m² | +67 m² +67% | 2023 |
|---|
| 11, Warbeck Road959 m away | 175 m² | 241 m² | +66 m² +38% | 2021 |
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| 38, Wallingford Avenue743 m away | 158 m² | 224 m² | +66 m² +42% | 2011 |
|---|
| 19, Balliol Road603 m away | 141 m² | 206 m² | +65 m² +46% | 2026 |
|---|
| 19a, Pavilion Terrace743 m away | 78 m² | 143 m² | +65 m² +83% | 2023 |
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| 97, Lansdowne Road904 m away | 217 m² | 282 m² | +65 m² +30% | 2021 |
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| 89, Portland Road850 m away | 151 m² | 216 m² | +65 m² +43% | 2018 |
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| 87, Portland Road850 m away | 160 m² | 224 m² | +64 m² +40% | 2022 |
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| 115, Elgin Crescent858 m away | 328 m² | 392 m² | +64 m² +20% | 2016 |
|---|
| 16, Stoneleigh Street372 m away | 57 m² | 121 m² | +64 m² +112% | 2010 |
|---|
| 27a, Sirdar Road531 m away | 93 m² | 156 m² | +63 m² +68% | 2015 |
|---|
| 75, Loftus Road679 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
|---|
| 182, Lancaster Road874 m away | 196 m² | 258 m² | +62 m² +32% | 2021 |
|---|
| 28, Queensdale Road837 m away | 163 m² | 224 m² | +61 m² +37% | 2022 |
|---|
| 78, St Quintin Avenue916 m away | 101 m² | 161 m² | +60 m² +59% | 2019 |
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| 22a, Pavilion Terrace743 m away | 72 m² | 132 m² | +60 m² +83% | 2017 |
|---|
| 15, Bloemfontein Avenue961 m away | 120 m² | 179 m² | +59 m² +49% | 2026 |
|---|
| 3, Wallingford Avenue761 m away | 153 m² | 212 m² | +59 m² +39% | 2025 |
|---|
| 20, Arminger Road853 m away | 120 m² | 179 m² | +59 m² +49% | 2022 |
|---|
| 30, Addison Avenue896 m away | 245 m² | 304 m² | +59 m² +24% | 2022 |
|---|
| 38, Queensdale Road759 m away | 191 m² | 250 m² | +59 m² +31% | 2016 |
|---|
| 101, Chesterton Road930 m away | 43 m² | 101 m² | +58 m² +135% | 2012 |
|---|
| 127, Blenheim Crescent790 m away | 209 m² | 266 m² | +57 m² +27% | 2022 |
|---|
| 93, St Marks Road812 m away | 109 m² | 166 m² | +57 m² +52% | 2018 |
|---|
| Flat 4, Bush Green House, Pennard Road798 m away | 84 m² | 141 m² | +57 m² +68% | 2016 |
|---|
| 17, Addison Place844 m away | 62 m² | 119 m² | +57 m² +92% | 2014 |
|---|
| 40, Loftus Road781 m away | 55 m² | 112 m² | +57 m² +104% | 2013 |
|---|
| 65, Wallingford Avenue643 m away | 185 m² | 241 m² | +56 m² +30% | 2025 |
|---|
| 40, Frithville Gardens667 m away | 168 m² | 224 m² | +56 m² +33% | 2022 |
|---|
| 25, Sterne Street714 m away | 111 m² | 167 m² | +56 m² +50% | 2022 |
|---|
| 51, Pennard Road927 m away | 143 m² | 199 m² | +56 m² +39% | 2015 |
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| Flat 4, 54, Bassett Road892 m away | 82 m² | 137 m² | +55 m² +67% | 2012 |
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| 43, Highlever Road590 m away | 147 m² | 201 m² | +54 m² +37% | 2013 |
|---|
| 29, Queensdale Road787 m away | 156 m² | 209 m² | +53 m² +34% | 2023 |
|---|
| 2, Princedale Road952 m away | 106 m² | 159 m² | +53 m² +50% | 2022 |
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| 39, Wallingford Avenue643 m away | 110 m² | 163 m² | +53 m² +48% | 2019 |
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| 54a, Collingbourne Road978 m away | 70 m² | 123 m² | +53 m² +76% | 2019 |
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| 83, Macfarlane Road606 m away | 148 m² | 200 m² | +52 m² +35% | 2018 |
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| 94, Cambridge Gardens853 m away | 72 m² | 124 m² | +52 m² +72% | 2015 |
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| 143, Chesterton Road930 m away | 191 m² | 242 m² | +51 m² +27% | 2016 |
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| 26, Bulwer Street666 m away | 84 m² | 134 m² | +50 m² +60% | 2022 |
|---|
| 25, Ingersoll Road947 m away | 133 m² | 183 m² | +50 m² +38% | 2020 |
|---|
| 71a, Cornwall Crescent774 m away | 44 m² | 93 m² | +49 m² +111% | 2022 |
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| 222, Latimer Road635 m away | 125 m² | 174 m² | +49 m² +39% | 2020 |
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| 19, Ingersoll Road947 m away | 113 m² | 162 m² | +49 m² +43% | 2017 |
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| 5, Nascot Street713 m away | 101 m² | 150 m² | +49 m² +49% | 2015 |
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| 61, Blenheim Crescent907 m away | 44 m² | 93 m² | +49 m² +111% | 2014 |
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| 68, Highlever Road821 m away | 133 m² | 182 m² | +49 m² +37% | 2013 |
|---|
| 165, Oxford Gardens510 m away | 124 m² | 173 m² | +49 m² +40% | 2011 |
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| 72, Loftus Road679 m away | 48 m² | 96 m² | +48 m² +100% | 2017 |
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| Flat 5, Buckley House, 96, Addison Road996 m away | 90 m² | 138 m² | +48 m² +53% | 2016 |
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| 64, Portland Road840 m away | 295 m² | 343 m² | +48 m² +16% | 2013 |
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| 6, Darnley Terrace601 m away | 56 m² | 104 m² | +48 m² +86% | 2012 |
|---|
| 3, Ruston Mews854 m away | 93 m² | 140 m² | +47 m² +51% | 2026 |
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| Flat 3, Buckley House, 96, Addison Road996 m away | 83 m² | 130 m² | +47 m² +57% | 2025 |
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| 6, Scampston Mews629 m away | 82 m² | 129 m² | +47 m² +57% | 2024 |
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| 69, Cornwall Crescent774 m away | 35 m² | 82 m² | +47 m² +134% | 2023 |
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| 73, Abdale Road671 m away | 57 m² | 104 m² | +47 m² +82% | 2022 |
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| 10, Ethelden Road866 m away | 112 m² | 159 m² | +47 m² +42% | 2019 |
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| 9, Shalfleet Drive277 m away | 50 m² | 97 m² | +47 m² +94% | 2016 |
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| 31, Frithville Gardens726 m away | 159 m² | 206 m² | +47 m² +30% | 2011 |
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| 35, Norland Square878 m away | 54 m² | 101 m² | +47 m² +87% | 2011 |
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| 119, Cassini Apartments, Cascade Way0 m away | 87 m² | 133 m² | +46 m² +53% | 2026 |
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| 23, Arminger Road899 m away | 129 m² | 175 m² | +46 m² +36% | 2022 |
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| 80, Abdale Road665 m away | 88 m² | 134 m² | +46 m² +52% | 2021 |
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| 106a, Uxbridge Road778 m away | 55 m² | 101 m² | +46 m² +84% | 2019 |
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| 57, Abdale Road671 m away | 81 m² | 127 m² | +46 m² +57% | 2018 |
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| 216, Uxbridge Road775 m away | 50 m² | 96 m² | +46 m² +92% | 2018 |
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| 12 - 14, Pottery Lane885 m away | 101 m² | 147 m² | +46 m² +46% | 2011 |
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| 86, Highlever Road821 m away | 144 m² | 189 m² | +45 m² +31% | 2020 |
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| 53, Oxford Gardens978 m away | 139 m² | 184 m² | +45 m² +32% | 2019 |
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| 16, Shinfield Street652 m away | 110 m² | 155 m² | +45 m² +41% | 2017 |
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| 19, Ruston Mews854 m away | 95 m² | 139 m² | +44 m² +46% | 2026 |
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| 32, Tunis Road717 m away | 98 m² | 142 m² | +44 m² +45% | 2022 |
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| 39, Arminger Road899 m away | 134 m² | 178 m² | +44 m² +33% | 2021 |
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| 78, Blenheim Crescent781 m away | 61 m² | 105 m² | +44 m² +72% | 2018 |
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| 29, Pangbourne Avenue988 m away | 89 m² | 133 m² | +44 m² +49% | 2013 |
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| 85, Oxford Gardens841 m away | 92 m² | 136 m² | +44 m² +48% | 2010 |
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| 33, Pangbourne Avenue988 m away | 95 m² | 138 m² | +43 m² +45% | 2024 |
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| 5, Treadgold Street486 m away | 98 m² | 141 m² | +43 m² +44% | 2020 |
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| 10, Norland Square967 m away | 268 m² | 311 m² | +43 m² +16% | 2018 |
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| 23, Warbeck Road959 m away | 53 m² | 96 m² | +43 m² +81% | 2016 |
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| 7, Ethelden Road866 m away | 92 m² | 135 m² | +43 m² +47% | 2015 |
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| 16, Warbeck Road963 m away | 186 m² | 229 m² | +43 m² +23% | 2014 |
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| 38, Tunis Road717 m away | 117 m² | 159 m² | +42 m² +36% | 2024 |
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| 264, Latimer Road635 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
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| Flat 4, Buckley House, 96, Addison Road996 m away | 91 m² | 133 m² | +42 m² +46% | 2020 |
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| 7, Highlever Road590 m away | 126 m² | 168 m² | +42 m² +33% | 2015 |
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| 79, Lansdowne Road904 m away | 267 m² | 309 m² | +42 m² +16% | 2014 |
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| 71, Macfarlane Road606 m away | 161 m² | 202 m² | +41 m² +25% | 2026 |
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| 2, Bloemfontein Avenue964 m away | 117 m² | 158 m² | +41 m² +35% | 2025 |
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| 17a, Nascot Street713 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
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| 30, Warbeck Road963 m away | 114 m² | 155 m² | +41 m² +36% | 2023 |
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| 1, St Anns Villas759 m away | 224 m² | 265 m² | +41 m² +18% | 2022 |
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| 5, Addison Place844 m away | 149 m² | 190 m² | +41 m² +28% | 2020 |
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| 127, Chesterton Road930 m away | 48 m² | 89 m² | +41 m² +85% | 2020 |
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| 1, Addison Avenue869 m away | 186 m² | 227 m² | +41 m² +22% | 2010 |
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| 49, Warbeck Road959 m away | 142 m² | 182 m² | +40 m² +28% | 2023 |
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| Flat 76, Nottingwood House, Clarendon Road659 m away | 36 m² | 76 m² | +40 m² +111% | 2022 |
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| 57, Pennard Road927 m away | 150 m² | 190 m² | +40 m² +27% | 2022 |
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| 1, Arminger Road899 m away | 58 m² | 98 m² | +40 m² +69% | 2019 |
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| 208, Uxbridge Road775 m away | 35 m² | 75 m² | +40 m² +114% | 2015 |
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| 44, Royal Crescent803 m away | 84 m² | 124 m² | +40 m² +48% | 2009 |
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| 2, Upper Addison Gardens987 m away | 85 m² | 124 m² | +39 m² +46% | 2024 |
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| 100b, Devonport Road990 m away | 45 m² | 84 m² | +39 m² +87% | 2023 |
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| Flat 4, 104, Cambridge Gardens720 m away | 35 m² | 74 m² | +39 m² +111% | 2019 |
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| 12, St Andrews Square720 m away | 71 m² | 110 m² | +39 m² +55% | 2016 |
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| 13a, Ellerslie Road821 m away | 53 m² | 91 m² | +38 m² +72% | 2025 |
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| 22, Collingbourne Road978 m away | 62 m² | 100 m² | +38 m² +61% | 2024 |
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| 43, Stanlake Road596 m away | 179 m² | 217 m² | +38 m² +21% | 2023 |
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| 5, Royal Crescent848 m away | 47 m² | 85 m² | +38 m² +81% | 2021 |
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| Flat 1, 53, Stanlake Road596 m away | 26 m² | 64 m² | +38 m² +146% | 2019 |
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| 21, Abdale Road744 m away | 99 m² | 137 m² | +38 m² +38% | 2019 |
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| 54, Loftus Road781 m away | 53 m² | 91 m² | +38 m² +72% | 2008 |
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| 77, Cornwall Crescent774 m away | 101 m² | 138 m² | +37 m² +37% | 2024 |
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| 20, Tunis Road717 m away | 91 m² | 128 m² | +37 m² +41% | 2018 |
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| 34a, Eynham Road754 m away | 76 m² | 113 m² | +37 m² +49% | 2016 |
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| 11, Royal Crescent848 m away | 54 m² | 90 m² | +36 m² +67% | 2024 |
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| 9, Warbeck Road959 m away | 198 m² | 234 m² | +36 m² +18% | 2024 |
|---|
| 45, Bentworth Road957 m away | 66 m² | 102 m² | +36 m² +55% | 2023 |
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| 105a, Clarendon Road723 m away | 83 m² | 119 m² | +36 m² +43% | 2022 |
|---|
| 256, Latimer Road635 m away | 84 m² | 120 m² | +36 m² +43% | 2021 |
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| 5, Tadmor Street675 m away | 121 m² | 157 m² | +36 m² +30% | 2021 |
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| Flat 2, 42, Blenheim Crescent895 m away | 39 m² | 75 m² | +36 m² +92% | 2019 |
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| 12, Pennard Road911 m away | 166 m² | 202 m² | +36 m² +22% | 2019 |
|---|
| 5, Highlever Road590 m away | 56 m² | 92 m² | +36 m² +64% | 2014 |
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| 56, Addison Avenue779 m away | 228 m² | 263 m² | +35 m² +15% | 2025 |
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| 6, Treadgold Street486 m away | 94 m² | 129 m² | +35 m² +37% | 2020 |
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| 12, Arminger Road853 m away | 145 m² | 180 m² | +35 m² +24% | 2019 |
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| 33b, Stoneleigh Street372 m away | 72 m² | 107 m² | +35 m² +49% | 2016 |
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| 33, St Quintin Avenue826 m away | 70 m² | 105 m² | +35 m² +50% | 2012 |
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| 16, Bloemfontein Avenue964 m away | 104 m² | 138 m² | +34 m² +33% | 2025 |
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| 1, Terrick Street760 m away | 77 m² | 111 m² | +34 m² +44% | 2024 |
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| 6b, Penzance Place798 m away | 50 m² | 84 m² | +34 m² +68% | 2024 |
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| 70, St Quintin Avenue916 m away | 165 m² | 199 m² | +34 m² +21% | 2020 |
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| Flat 3, 123, Clarendon Road723 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
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| 78, Stanlake Road632 m away | 91 m² | 125 m² | +34 m² +37% | 2017 |
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| Flat A, 4, Loftus Road781 m away | 48 m² | 82 m² | +34 m² +71% | 2017 |
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| 506, Hurstway Walk359 m away | 101 m² | 134 m² | +33 m² +33% | 2025 |
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| 47, Bentworth Road957 m away | 56 m² | 89 m² | +33 m² +59% | 2024 |
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| 23, Gainsborough Court980 m away | 48 m² | 81 m² | +33 m² +69% | 2024 |
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