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 0HA
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 Gardens951 m away | 408 m² | 705 m² | +297 m² +73% | 2023 |
| 112, Highlever Road310 m away | 320 m² | 539 m² | +219 m² +68% | 2021 |
| 44, Bassett Road745 m away | 326 m² | 508 m² | +182 m² +56% | 2021 |
| 99, Oxford Gardens641 m away | 337 m² | 517 m² | +180 m² +53% | 2012 |
| 28, Wallingford Avenue340 m away | 144 m² | 303 m² | +159 m² +110% | 2026 |
| 50, Highlever Road220 m away | 138 m² | 292 m² | +154 m² +112% | 2024 |
| 42, Wallingford Avenue340 m away | 261 m² | 412 m² | +151 m² +58% | 2019 |
| 40, Wallingford Avenue340 m away | 148 m² | 297 m² | +149 m² +101% | 2014 |
| 27, Kelfield Gardens293 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.
| 143 m² |
| 288 m² |
| +145 m² +101% |
| 2021 |
| 14, Wallingford Avenue325 m away | 229 m² | 372 m² | +143 m² +62% | 2019 |
|---|
| 47, Highlever Road182 m away | 159 m² | 299 m² | +140 m² +88% | 2022 |
|---|
| 5, Balliol Road318 m away | 137 m² | 261 m² | +124 m² +91% | 2022 |
|---|
| 72, Wallingford Avenue373 m away | 100 m² | 216 m² | +116 m² +116% | 2020 |
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| 76, Highlever Road221 m away | 131 m² | 245 m² | +114 m² +87% | 2025 |
|---|
| 26, Wallingford Avenue340 m away | 170 m² | 284 m² | +114 m² +67% | 2018 |
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| Flat 1, 25, St Quintin Avenue408 m away | 110 m² | 218 m² | +108 m² +98% | 2023 |
|---|
| 17, Highlever Road246 m away | 106 m² | 206 m² | +100 m² +94% | 2022 |
|---|
| 102, Dalgarno Gardens509 m away | 80 m² | 177 m² | +97 m² +121% | 2017 |
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| 21, Kelfield Gardens293 m away | 147 m² | 241 m² | +94 m² +64% | 2026 |
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| 65, Chesterton Road930 m away | 73 m² | 162 m² | +89 m² +122% | 2022 |
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| 35, Finstock Road437 m away | 185 m² | 272 m² | +87 m² +47% | 2022 |
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| 25, Finstock Road437 m away | 207 m² | 291 m² | +84 m² +41% | 2024 |
|---|
| 99, Stanlake Road997 m away | 82 m² | 165 m² | +83 m² +101% | 2020 |
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| 19, Highlever Road246 m away | 128 m² | 211 m² | +83 m² +65% | 2018 |
|---|
| 17, Stoneleigh Street982 m away | 120 m² | 201 m² | +81 m² +68% | 2020 |
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| 53, Highlever Road182 m away | 135 m² | 215 m² | +80 m² +59% | 2019 |
|---|
| 18, Dalgarno Gardens415 m away | 211 m² | 289 m² | +78 m² +37% | 2024 |
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| 95, St Marks Road621 m away | 65 m² | 143 m² | +78 m² +120% | 2022 |
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| 56, Bracewell Road315 m away | 137 m² | 212 m² | +75 m² +55% | 2020 |
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| 23, St Quintin Avenue408 m away | 266 m² | 340 m² | +74 m² +28% | 2011 |
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| 35, Eynham Road66 m away | 102 m² | 175 m² | +73 m² +72% | 2009 |
|---|
| 15, St Quintin Avenue408 m away | 177 m² | 249 m² | +72 m² +41% | 2011 |
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| 7, St Quintin Avenue408 m away | 315 m² | 386 m² | +71 m² +23% | 2026 |
|---|
| 20c, Bassett Road950 m away | 68 m² | 139 m² | +71 m² +104% | 2021 |
|---|
| 21, St Charles Square924 m away | 58 m² | 128 m² | +70 m² +121% | 2020 |
|---|
| 24, Highlever Road272 m away | 142 m² | 210 m² | +68 m² +48% | 2025 |
|---|
| 6, St Quintin Gardens286 m away | 217 m² | 285 m² | +68 m² +31% | 2022 |
|---|
| 38, Wallingford Avenue340 m away | 158 m² | 224 m² | +66 m² +42% | 2011 |
|---|
| 19, Balliol Road318 m away | 141 m² | 206 m² | +65 m² +46% | 2026 |
|---|
| 19a, Pavilion Terrace107 m away | 78 m² | 143 m² | +65 m² +83% | 2023 |
|---|
| 16, Stoneleigh Street982 m away | 57 m² | 121 m² | +64 m² +112% | 2010 |
|---|
| 78, St Quintin Avenue301 m away | 101 m² | 161 m² | +60 m² +59% | 2019 |
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| 22a, Pavilion Terrace107 m away | 72 m² | 132 m² | +60 m² +83% | 2017 |
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| 3, Wallingford Avenue371 m away | 153 m² | 212 m² | +59 m² +39% | 2025 |
|---|
| 101, Chesterton Road758 m away | 43 m² | 101 m² | +58 m² +135% | 2012 |
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| 146, Highlever Road394 m away | 108 m² | 165 m² | +57 m² +53% | 2021 |
|---|
| 93, St Marks Road621 m away | 109 m² | 166 m² | +57 m² +52% | 2018 |
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| 65, Wallingford Avenue409 m away | 185 m² | 241 m² | +56 m² +30% | 2025 |
|---|
| Flat 4, 54, Bassett Road745 m away | 82 m² | 137 m² | +55 m² +67% | 2012 |
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| 43, Highlever Road246 m away | 147 m² | 201 m² | +54 m² +37% | 2013 |
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| 39, Wallingford Avenue409 m away | 110 m² | 163 m² | +53 m² +48% | 2019 |
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| 82, Dalgarno Gardens509 m away | 91 m² | 143 m² | +52 m² +57% | 2019 |
|---|
| 94, Cambridge Gardens847 m away | 72 m² | 124 m² | +52 m² +72% | 2015 |
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| 143, Chesterton Road758 m away | 191 m² | 242 m² | +51 m² +27% | 2016 |
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| 222, Latimer Road182 m away | 125 m² | 174 m² | +49 m² +39% | 2020 |
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| 5, Nascot Street75 m away | 101 m² | 150 m² | +49 m² +49% | 2015 |
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| 68, Highlever Road221 m away | 133 m² | 182 m² | +49 m² +37% | 2013 |
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| 165, Oxford Gardens369 m away | 124 m² | 173 m² | +49 m² +40% | 2011 |
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| 3, Ruston Mews963 m away | 93 m² | 140 m² | +47 m² +51% | 2026 |
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| 6, Scampston Mews658 m away | 82 m² | 129 m² | +47 m² +57% | 2024 |
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| 9, Shalfleet Drive698 m away | 50 m² | 97 m² | +47 m² +94% | 2016 |
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| 35, Bracewell Road315 m away | 36 m² | 83 m² | +47 m² +131% | 2014 |
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| 119, Cassini Apartments, Cascade Way754 m away | 87 m² | 133 m² | +46 m² +53% | 2026 |
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| 86, Highlever Road221 m away | 144 m² | 189 m² | +45 m² +31% | 2020 |
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| 53, Oxford Gardens951 m away | 139 m² | 184 m² | +45 m² +32% | 2019 |
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| 16, Shinfield Street114 m away | 110 m² | 155 m² | +45 m² +41% | 2017 |
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| 19, Ruston Mews963 m away | 95 m² | 139 m² | +44 m² +46% | 2026 |
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| 29, Pangbourne Avenue385 m away | 89 m² | 133 m² | +44 m² +49% | 2013 |
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| 85, Oxford Gardens799 m away | 92 m² | 136 m² | +44 m² +48% | 2010 |
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| 33, Pangbourne Avenue385 m away | 95 m² | 138 m² | +43 m² +45% | 2024 |
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| 137, Highlever Road370 m away | 167 m² | 209 m² | +42 m² +25% | 2024 |
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| 264, Latimer Road182 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
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| 7, Highlever Road246 m away | 126 m² | 168 m² | +42 m² +33% | 2015 |
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| 22, Dalgarno Gardens415 m away | 40 m² | 82 m² | +42 m² +105% | 2010 |
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| 17a, Nascot Street75 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
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| 127, Chesterton Road758 m away | 48 m² | 89 m² | +41 m² +85% | 2020 |
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| Flat 4, 104, Cambridge Gardens698 m away | 35 m² | 74 m² | +39 m² +111% | 2019 |
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| 12, St Andrews Square903 m away | 71 m² | 110 m² | +39 m² +55% | 2016 |
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| 22, St Charles Square960 m away | 48 m² | 87 m² | +39 m² +81% | 2015 |
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| Flat 11, Wood Court, Heathstan Road938 m away | 26 m² | 65 m² | +39 m² +150% | 2012 |
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| 11, Hewer Street899 m away | 191 m² | 229 m² | +38 m² +20% | 2024 |
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| 134, Highlever Road394 m away | 111 m² | 148 m² | +37 m² +33% | 2026 |
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| 47, Bracewell Road315 m away | 134 m² | 171 m² | +37 m² +28% | 2024 |
|---|
| Frestonia Apartments, Nicholas Road973 m away | 80 m² | 117 m² | +37 m² +46% | 2018 |
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| 34a, Eynham Road0 m away | 76 m² | 113 m² | +37 m² +49% | 2016 |
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| 22, Bracewell Road252 m away | 54 m² | 91 m² | +37 m² +69% | 2012 |
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| 45, Bentworth Road617 m away | 66 m² | 102 m² | +36 m² +55% | 2023 |
|---|
| 256, Latimer Road182 m away | 84 m² | 120 m² | +36 m² +43% | 2021 |
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| 5, Highlever Road246 m away | 56 m² | 92 m² | +36 m² +64% | 2014 |
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| Coronation Court, Brewster Gardens280 m away | 54 m² | 89 m² | +35 m² +65% | 2023 |
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| 33b, Stoneleigh Street982 m away | 72 m² | 107 m² | +35 m² +49% | 2016 |
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| 33, St Quintin Avenue408 m away | 70 m² | 105 m² | +35 m² +50% | 2012 |
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| 9, St Quintin Gardens286 m away | 29 m² | 64 m² | +35 m² +121% | 2009 |
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| 1, Terrick Street467 m away | 77 m² | 111 m² | +34 m² +44% | 2024 |
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| 70, St Quintin Avenue301 m away | 165 m² | 199 m² | +34 m² +21% | 2020 |
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| 4, Barlby Road385 m away | 150 m² | 184 m² | +34 m² +23% | 2020 |
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| 39, Brewster Gardens317 m away | 125 m² | 159 m² | +34 m² +27% | 2019 |
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| 506, Hurstway Walk797 m away | 101 m² | 134 m² | +33 m² +33% | 2025 |
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| 47, Bentworth Road617 m away | 56 m² | 89 m² | +33 m² +59% | 2024 |
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| 55, St Helens Gardens516 m away | 54 m² | 87 m² | +33 m² +61% | 2020 |
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| 157, Oxford Gardens369 m away | 164 m² | 196 m² | +32 m² +20% | 2015 |
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| 43, Eynham Road66 m away | 58 m² | 89 m² | +31 m² +53% | 2021 |
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| 15, Bartle Road862 m away | 65 m² | 96 m² | +31 m² +48% | 2013 |
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| Flat 2b, 45, St Charles Square743 m away | 38 m² | 69 m² | +31 m² +82% | 2010 |
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| 33, Bentworth Road617 m away | 78 m² | 108 m² | +30 m² +38% | 2024 |
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| Flat 1, 10, St Quintin Avenue519 m away | 92 m² | 122 m² | +30 m² +33% | 2022 |
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| 211, Westway702 m away | 68 m² | 98 m² | +30 m² +44% | 2022 |
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| 98, Bentworth Road507 m away | 78 m² | 108 m² | +30 m² +38% | 2014 |
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| 28, Wesley Square857 m away | 69 m² | 99 m² | +30 m² +43% | 2013 |
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| 2, Balliol Road318 m away | 78 m² | 108 m² | +30 m² +38% | 2011 |
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| 92a, Highlever Road221 m away | 55 m² | 84 m² | +29 m² +53% | 2016 |
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| Flat 3, 266, Latimer Road182 m away | 46 m² | 75 m² | +29 m² +63% | 2013 |
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| 17, Finstock Road464 m away | 174 m² | 202 m² | +28 m² +16% | 2025 |
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| 127, Highlever Road183 m away | 146 m² | 174 m² | +28 m² +19% | 2023 |
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| 29, Wallingford Avenue371 m away | 47 m² | 75 m² | +28 m² +60% | 2020 |
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| 36, Kelfield Gardens286 m away | 158 m² | 186 m² | +28 m² +18% | 2018 |
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| 147, Oxford Gardens369 m away | 130 m² | 158 m² | +28 m² +22% | 2018 |
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| 29, Brewster Gardens317 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 31, Shrewsbury Street674 m away | 51 m² | 79 m² | +28 m² +55% | 2014 |
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| 33, Wesley Square840 m away | 43 m² | 70 m² | +27 m² +63% | 2023 |
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| 247, Ladbroke Grove991 m away | 60 m² | 87 m² | +27 m² +45% | 2023 |
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| 88, Barlby Road563 m away | 74 m² | 101 m² | +27 m² +36% | 2022 |
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| 14, Exhibition Close720 m away | 52 m² | 79 m² | +27 m² +52% | 2021 |
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| 6, Notting Barn Road801 m away | 45 m² | 72 m² | +27 m² +60% | 2019 |
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| 21, Bracewell Road252 m away | 128 m² | 155 m² | +27 m² +21% | 2018 |
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| 233, Ladbroke Grove993 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 522, Barandon Walk890 m away | 92 m² | 118 m² | +26 m² +28% | 2021 |
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| 60, Wallingford Avenue373 m away | 134 m² | 160 m² | +26 m² +19% | 2017 |
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| 51, Oakworth Road501 m away | 73 m² | 98 m² | +25 m² +34% | 2024 |
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| 148, Highlever Road394 m away | 141 m² | 166 m² | +25 m² +18% | 2021 |
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| 6, Grenfell Road964 m away | 136 m² | 161 m² | +25 m² +18% | 2021 |
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| 187, Bentworth Road367 m away | 53 m² | 78 m² | +25 m² +47% | 2019 |
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| 109, Highlever Road183 m away | 157 m² | 182 m² | +25 m² +16% | 2014 |
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| 100, Dalgarno Gardens509 m away | 97 m² | 121 m² | +24 m² +25% | 2026 |
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| 77a, St Marks Road735 m away | 78 m² | 102 m² | +24 m² +31% | 2023 |
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| 7, Kingsbridge Road268 m away | 79 m² | 103 m² | +24 m² +30% | 2021 |
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| 38, Brewster Gardens336 m away | 50 m² | 74 m² | +24 m² +48% | 2020 |
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| 57, Waynflete Square616 m away | 82 m² | 106 m² | +24 m² +29% | 2020 |
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| 15, Exmoor Street847 m away | 73 m² | 97 m² | +24 m² +33% | 2020 |
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| 34, Highlever Road272 m away | 160 m² | 184 m² | +24 m² +15% | 2015 |
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| 26, Matthew Close806 m away | 46 m² | 70 m² | +24 m² +52% | 2014 |
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| 20b, Bassett Road950 m away | 62 m² | 86 m² | +24 m² +39% | 2012 |
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| 24, Pavilion Terrace107 m away | 66 m² | 89 m² | +23 m² +35% | 2022 |
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| 26, Highlever Road272 m away | 68 m² | 91 m² | +23 m² +34% | 2016 |
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| 37, St Helens Gardens516 m away | 53 m² | 76 m² | +23 m² +43% | 2013 |
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| 49, Bracewell Road315 m away | 51 m² | 74 m² | +23 m² +45% | 2011 |
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| 8, Barlby Gardens899 m away | 90 m² | 112 m² | +22 m² +24% | 2024 |
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| Flat 2, 3, St Charles Square924 m away | 67 m² | 89 m² | +22 m² +33% | 2024 |
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| Flat 33, Canning House, Australia Road925 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
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| 21, Brewster Gardens317 m away | 49 m² | 71 m² | +22 m² +45% | 2023 |
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| 48, Dalgarno Gardens415 m away | 69 m² | 90 m² | +21 m² +30% | 2026 |
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| 41, Mackenzie Close660 m away | 51 m² | 72 m² | +21 m² +41% | 2025 |
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| Flat 23, Markland House, 28, Darfield Way589 m away | 52 m² | 73 m² | +21 m² +40% | 2022 |
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| 3, Exhibition Close720 m away | 58 m² | 79 m² | +21 m² +36% | 2021 |
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| 12, Grenfell Road964 m away | 51 m² | 72 m² | +21 m² +41% | 2021 |
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| 6, Ruston Mews963 m away | 102 m² | 123 m² | +21 m² +21% | 2011 |
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| 86, Bloemfontein Road879 m away | 76 m² | 96 m² | +20 m² +26% | 2024 |
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| 108, Bentworth Road392 m away | 75 m² | 95 m² | +20 m² +27% | 2022 |
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| 14, Grenfell Road964 m away | 105 m² | 125 m² | +20 m² +19% | 2022 |
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| 44a, Wallingford Avenue373 m away | 95 m² | 115 m² | +20 m² +21% | 2016 |
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| 81c, Oxford Gardens799 m away | 101 m² | 121 m² | +20 m² +20% | 2014 |
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| 13, Stoneleigh Street982 m away | 42 m² | 62 m² | +20 m² +48% | 2009 |
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| 32, Shalfleet Drive676 m away | 93 m² | 112 m² | +19 m² +20% | 2026 |
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| Flat 33, Cornwallis House, India Way903 m away | 52 m² | 71 m² | +19 m² +37% | 2026 |
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| 60, Waynflete Square616 m away | 81 m² | 100 m² | +19 m² +23% | 2016 |
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| 49, Bentworth Road617 m away | 64 m² | 83 m² | +19 m² +30% | 2016 |
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| 48, Wesley Square840 m away | 43 m² | 62 m² | +19 m² +44% | 2015 |
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| 85, St Quintin Avenue227 m away | 119 m² | 138 m² | +19 m² +16% | 2013 |
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| 110, Bentworth Road392 m away | 77 m² | 95 m² | +18 m² +23% | 2024 |
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| 227, Westway702 m away | 74 m² | 92 m² | +18 m² +24% | 2023 |
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| 10, Eynham Road0 m away | 49 m² | 67 m² | +18 m² +37% | 2021 |
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| 225, Westway702 m away | 102 m² | 120 m² | +18 m² +18% | 2019 |
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| 114, Highlever Road310 m away | 83 m² | 101 m² | +18 m² +22% | 2014 |
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| 220, Latimer Road182 m away | 45 m² | 63 m² | +18 m² +40% | 2012 |
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| 79, St Quintin Avenue227 m away | 58 m² | 76 m² | +18 m² +31% | 2010 |
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| 7, Snarsgate Street156 m away | 65 m² | 82 m² | +17 m² +26% | 2021 |
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| Flat 24, Calvert House, White City Estate555 m away | 46 m² | 63 m² | +17 m² +37% | 2021 |
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| Flat 1, 77, Oxford Gardens799 m away | 67 m² | 84 m² | +17 m² +25% | 2021 |
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| 6, Shalfleet Drive709 m away | 62 m² | 79 m² | +17 m² +27% | 2020 |
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| 68a, Oxford Gardens925 m away | 104 m² | 121 m² | +17 m² +16% | 2014 |
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| 24, Eynham Road0 m away | 60 m² | 76 m² | +16 m² +27% | 2022 |
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| 29, Wesley Square857 m away | 83 m² | 99 m² | +16 m² +19% | 2022 |
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| Flat 3, Drake Court, 2, Webb Close726 m away | 36 m² | 52 m² | +16 m² +44% | 2018 |
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| 9, Bentworth Road617 m away | 72 m² | 88 m² | +16 m² +22% | 2017 |
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| 55, Bracewell Road315 m away | 78 m² | 94 m² | +16 m² +21% | 2016 |
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| 48, Heathstan Road881 m away | 46 m² | 62 m² | +16 m² +35% | 2008 |
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| Flat 26, Brisbane House, White City Estate726 m away | 54 m² | 69 m² | +15 m² +28% | 2025 |
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| 177, Westway870 m away | 76 m² | 91 m² | +15 m² +20% | 2023 |
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| 11, Nascot Street75 m away | 50 m² | 65 m² | +15 m² +30% | 2020 |
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| 22, Pavilion Terrace107 m away | 56 m² | 71 m² | +15 m² +27% | 2020 |
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| 5, North Pole Road195 m away | 48 m² | 63 m² | +15 m² +31% | 2019 |
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| 23, Ruston Mews963 m away | 81 m² | 96 m² | +15 m² +19% | 2019 |
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| Flat 2, 86, Oxford Gardens789 m away | 47 m² | 62 m² | +15 m² +32% | 2018 |
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| 69, Hudson Close683 m away | 75 m² | 90 m² | +15 m² +20% | 2010 |
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