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 EN1 3LD
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 |
|---|---|---|---|---|
| 250, Baker Street0 m away | 93 m² | 222 m² | +129 m² +139% | 2026 |
| 11, Tudor Crescent960 m away | 116 m² | 223 m² | +107 m² +92% | 2024 |
| 174, Clay Hill946 m away | 122 m² | 226 m² | +104 m² +85% | 2024 |
| 43, Churchbury Lane774 m away | 86 m² | 178 m² | +92 m² +107% | 2025 |
| 3, Carnarvon Avenue768 m away | 72 m² | 160 m² | +88 m² +122% | 2024 |
| 33, Herrongate Close717 m away | 117 m² | 199 m² | +82 m² +70% | 2015 |
| 24, Cedar Park Road710 m away | 60 m² | 140 m² | +80 m² +133% | 2021 |
| 2, Riverside Gardens699 m away | 109 m² | 187 m² | +78 m² +72% | 2022 |
| 11, Churchbury Lane774 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.
| 85 m² |
| 163 m² |
| +78 m² +92% |
| 2021 |
| 101, Apple Grove997 m away | 92 m² | 169 m² | +77 m² +84% | 2025 |
|---|
| 5, Churchbury Lane899 m away | 129 m² | 206 m² | +77 m² +60% | 2022 |
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| 21, River View993 m away | 60 m² | 135 m² | +75 m² +125% | 2022 |
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| 30, Vicars Close745 m away | 95 m² | 168 m² | +73 m² +77% | 2025 |
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| 42, Clay Hill675 m away | 151 m² | 222 m² | +71 m² +47% | 2026 |
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| 4, Hillside Crescent773 m away | 84 m² | 155 m² | +71 m² +85% | 2012 |
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| 58, Peartree Road923 m away | 78 m² | 144 m² | +66 m² +85% | 2023 |
|---|
| 2, Hillside Crescent773 m away | 89 m² | 154 m² | +65 m² +73% | 2017 |
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| 192, Chase Side558 m away | 82 m² | 145 m² | +63 m² +77% | 2026 |
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| 39, Bridgenhall Road832 m away | 74 m² | 135 m² | +61 m² +82% | 2026 |
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| 37, Glenville Avenue633 m away | 59 m² | 120 m² | +61 m² +103% | 2025 |
|---|
| 37, Churchbury Road261 m away | 79 m² | 140 m² | +61 m² +77% | 2021 |
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| 327, Carterhatch Lane902 m away | 78 m² | 137 m² | +59 m² +76% | 2025 |
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| 377, Carterhatch Lane764 m away | 76 m² | 135 m² | +59 m² +78% | 2023 |
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| 18, Kilvinton Drive666 m away | 95 m² | 154 m² | +59 m² +62% | 2016 |
|---|
| 29, Kynaston Road151 m away | 95 m² | 152 m² | +57 m² +60% | 2026 |
|---|
| 23, Vicars Close745 m away | 92 m² | 149 m² | +57 m² +62% | 2024 |
|---|
| 9, The Drive65 m away | 118 m² | 174 m² | +56 m² +47% | 2020 |
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| 9, Hawthorn Grove398 m away | 67 m² | 123 m² | +56 m² +84% | 2019 |
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| 2, Brodie Road772 m away | 43 m² | 99 m² | +56 m² +130% | 2015 |
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| 15, Morley Hill416 m away | 84 m² | 139 m² | +55 m² +65% | 2025 |
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| 35, St Andrews Road997 m away | 105 m² | 160 m² | +55 m² +52% | 2019 |
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| 41, Inverness Avenue526 m away | 108 m² | 162 m² | +54 m² +50% | 2024 |
|---|
| 145, Morley Hill691 m away | 82 m² | 134 m² | +52 m² +63% | 2025 |
|---|
| 307, Willow Road980 m away | 108 m² | 160 m² | +52 m² +48% | 2018 |
|---|
| 54, Clay Hill741 m away | 210 m² | 261 m² | +51 m² +24% | 2025 |
|---|
| 40, Gordon Road332 m away | 85 m² | 136 m² | +51 m² +60% | 2024 |
|---|
| 41, St Georges Road926 m away | 94 m² | 145 m² | +51 m² +54% | 2022 |
|---|
| 26, Ridler Road563 m away | 87 m² | 137 m² | +50 m² +57% | 2025 |
|---|
| 14, River View993 m away | 64 m² | 114 m² | +50 m² +78% | 2022 |
|---|
| 14, Kynaston Road176 m away | 98 m² | 147 m² | +49 m² +50% | 2025 |
|---|
| 452, Baker Street562 m away | 89 m² | 138 m² | +49 m² +55% | 2021 |
|---|
| 159, Tenniswood Road703 m away | 77 m² | 126 m² | +49 m² +64% | 2021 |
|---|
| 15, Armfield Road219 m away | 61 m² | 110 m² | +49 m² +80% | 2013 |
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| 288, Ladysmith Road938 m away | 95 m² | 143 m² | +48 m² +51% | 2025 |
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| 60, Apple Grove990 m away | 91 m² | 139 m² | +48 m² +53% | 2025 |
|---|
| 448, Baker Street411 m away | 98 m² | 146 m² | +48 m² +49% | 2023 |
|---|
| 16, Batley Road482 m away | 44 m² | 92 m² | +48 m² +109% | 2021 |
|---|
| 53, Churchbury Lane595 m away | 93 m² | 140 m² | +47 m² +51% | 2018 |
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| 139, Birkbeck Road674 m away | 81 m² | 127 m² | +46 m² +57% | 2024 |
|---|
| 46, Apple Grove990 m away | 85 m² | 131 m² | +46 m² +54% | 2023 |
|---|
| 59, Riversfield Road831 m away | 91 m² | 137 m² | +46 m² +51% | 2013 |
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| 21, Conway Gardens595 m away | 95 m² | 140 m² | +45 m² +47% | 2026 |
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| 54, Kenilworth Crescent443 m away | 73 m² | 118 m² | +45 m² +62% | 2025 |
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| 219, Willow Road621 m away | 82 m² | 127 m² | +45 m² +55% | 2021 |
|---|
| 6, Riverside Gardens699 m away | 96 m² | 140 m² | +44 m² +46% | 2025 |
|---|
| 60, Monastery Gardens502 m away | 94 m² | 138 m² | +44 m² +47% | 2020 |
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| 21, Burlington Road453 m away | 84 m² | 127 m² | +43 m² +51% | 2026 |
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| 24, Holtwhites Hill740 m away | 103 m² | 146 m² | +43 m² +42% | 2025 |
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| 104, Mahon Close985 m away | 47 m² | 90 m² | +43 m² +91% | 2021 |
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| 39, Willow Road614 m away | 81 m² | 124 m² | +43 m² +53% | 2019 |
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| 88, Connaught Avenue712 m away | 64 m² | 106 m² | +42 m² +66% | 2025 |
|---|
| 114, Clay Hill823 m away | 41 m² | 83 m² | +42 m² +102% | 2015 |
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| 26, Gordon Road385 m away | 74 m² | 115 m² | +41 m² +55% | 2026 |
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| 45, Morley Hill511 m away | 74 m² | 115 m² | +41 m² +55% | 2025 |
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| 221, Ladysmith Road912 m away | 77 m² | 118 m² | +41 m² +53% | 2025 |
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| 9, St Faiths Close702 m away | 41 m² | 82 m² | +41 m² +100% | 2020 |
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| 126, Tenniswood Road416 m away | 70 m² | 111 m² | +41 m² +59% | 2017 |
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| 22, Canonbury Road256 m away | 61 m² | 101 m² | +40 m² +66% | 2020 |
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| 393, Baker Street375 m away | 67 m² | 106 m² | +39 m² +58% | 2023 |
|---|
| 32, Monastery Gardens502 m away | 100 m² | 139 m² | +39 m² +39% | 2019 |
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| 92, Manor Road433 m away | 73 m² | 112 m² | +39 m² +53% | 2016 |
|---|
| 1, Rosemary Avenue261 m away | 80 m² | 119 m² | +39 m² +49% | 2014 |
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| 266, Carterhatch Lane790 m away | 79 m² | 117 m² | +38 m² +48% | 2020 |
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| 314, Ladysmith Road938 m away | 79 m² | 117 m² | +38 m² +48% | 2020 |
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| 151, Parsonage Lane646 m away | 108 m² | 146 m² | +38 m² +35% | 2014 |
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| 8, Phipps Hatch Lane796 m away | 93 m² | 131 m² | +38 m² +41% | 2011 |
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| 348a, Baker Street252 m away | 59 m² | 96 m² | +37 m² +63% | 2025 |
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| 33, Glenville Avenue633 m away | 89 m² | 126 m² | +37 m² +42% | 2024 |
|---|
| 87, Tenniswood Road410 m away | 84 m² | 121 m² | +37 m² +44% | 2021 |
|---|
| 13, Browning Road475 m away | 69 m² | 106 m² | +37 m² +54% | 2021 |
|---|
| 72, Lavender Hill784 m away | 104 m² | 141 m² | +37 m² +36% | 2021 |
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| 6, Bridgenhall Road856 m away | 73 m² | 110 m² | +37 m² +51% | 2018 |
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| 30, Acacia Road297 m away | 93 m² | 130 m² | +37 m² +40% | 2017 |
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| 8, Holtwhite Avenue679 m away | 95 m² | 132 m² | +37 m² +39% | 2014 |
|---|
| 9, Drake Street311 m away | 54 m² | 91 m² | +37 m² +69% | 2011 |
|---|
| 39, Halifax Road450 m away | 88 m² | 124 m² | +36 m² +41% | 2026 |
|---|
| 92, Connaught Avenue712 m away | 61 m² | 97 m² | +36 m² +59% | 2026 |
|---|
| 61, Holtwhites Hill799 m away | 88 m² | 124 m² | +36 m² +41% | 2025 |
|---|
| 7, Fillebrook Avenue583 m away | 76 m² | 112 m² | +36 m² +47% | 2022 |
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| 44, Hawthorn Grove374 m away | 79 m² | 115 m² | +36 m² +46% | 2018 |
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| 41, Buckingham Close395 m away | 88 m² | 123 m² | +35 m² +40% | 2026 |
|---|
| 32, Vicars Close745 m away | 95 m² | 130 m² | +35 m² +37% | 2025 |
|---|
| 252, Baker Street0 m away | 58 m² | 93 m² | +35 m² +60% | 2015 |
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| 41, Gloucester Road794 m away | 83 m² | 118 m² | +35 m² +42% | 2014 |
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| 273, Ladysmith Road960 m away | 85 m² | 119 m² | +34 m² +40% | 2023 |
|---|
| 30, Ridler Road563 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
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| 26, Weardale Gardens69 m away | 94 m² | 128 m² | +34 m² +36% | 2019 |
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| Flat B, 51, Manor Road547 m away | 52 m² | 86 m² | +34 m² +65% | 2018 |
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| 37, Trinity Street817 m away | 70 m² | 104 m² | +34 m² +49% | 2016 |
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| 94, Tenniswood Road416 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
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| 6, York Terrace813 m away | 98 m² | 131 m² | +33 m² +34% | 2026 |
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| 46, Carnarvon Avenue768 m away | 72 m² | 105 m² | +33 m² +46% | 2025 |
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| 470, Baker Street635 m away | 87 m² | 120 m² | +33 m² +38% | 2023 |
|---|
| 33, Kynaston Road151 m away | 94 m² | 127 m² | +33 m² +35% | 2021 |
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| 137, Lavender Hill999 m away | 86 m² | 118 m² | +32 m² +37% | 2025 |
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| 124, Gordon Hill939 m away | 92 m² | 124 m² | +32 m² +35% | 2023 |
|---|
| 145, Tenniswood Road703 m away | 80 m² | 112 m² | +32 m² +40% | 2022 |
|---|
| 73, Hillside Crescent745 m away | 87 m² | 119 m² | +32 m² +37% | 2022 |
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| 111, Ladysmith Road957 m away | 99 m² | 130 m² | +31 m² +31% | 2025 |
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| 124, Chase Side645 m away | 59 m² | 90 m² | +31 m² +53% | 2022 |
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| 7a, Graeme Road430 m away | 63 m² | 93 m² | +30 m² +48% | 2026 |
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| 15, Youngmans Close639 m away | 85 m² | 115 m² | +30 m² +35% | 2026 |
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| 38, Gordon Hill689 m away | 95 m² | 125 m² | +30 m² +32% | 2023 |
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| 42, Burlington Road435 m away | 75 m² | 105 m² | +30 m² +40% | 2020 |
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| 70, Glenville Avenue600 m away | 77 m² | 107 m² | +30 m² +39% | 2019 |
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| 243, Ladysmith Road912 m away | 109 m² | 139 m² | +30 m² +28% | 2019 |
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| 5, Conical Corner928 m away | 84 m² | 114 m² | +30 m² +36% | 2018 |
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| 157, Parsonage Lane646 m away | 109 m² | 139 m² | +30 m² +28% | 2017 |
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| 8, Apple Grove990 m away | 138 m² | 168 m² | +30 m² +22% | 2011 |
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| 19a, Bridgenhall Road832 m away | 52 m² | 82 m² | +30 m² +58% | 2010 |
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| 72, Lea Road324 m away | 57 m² | 87 m² | +30 m² +53% | 2009 |
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| 205, Churchbury Lane291 m away | 77 m² | 106 m² | +29 m² +38% | 2026 |
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| 11, Acacia Road297 m away | 84 m² | 113 m² | +29 m² +35% | 2025 |
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| 143, Lavender Hill999 m away | 93 m² | 122 m² | +29 m² +31% | 2025 |
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| 10, Rochester Close490 m away | 98 m² | 127 m² | +29 m² +30% | 2023 |
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| 113, Gordon Road332 m away | 84 m² | 113 m² | +29 m² +35% | 2022 |
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| 4, Armfield Road255 m away | 72 m² | 101 m² | +29 m² +40% | 2017 |
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| 13, Lavender Road286 m away | 111 m² | 140 m² | +29 m² +26% | 2017 |
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| 29, Sterling Road487 m away | 56 m² | 84 m² | +28 m² +50% | 2025 |
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| 395, Baker Street375 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
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| 13, Woodlands Road542 m away | 69 m² | 97 m² | +28 m² +41% | 2024 |
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| 102, Myddelton Avenue692 m away | 119 m² | 147 m² | +28 m² +24% | 2023 |
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| 3, Parsonage Lane665 m away | 73 m² | 101 m² | +28 m² +38% | 2020 |
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| 15, Chase Side Crescent508 m away | 138 m² | 165 m² | +27 m² +20% | 2025 |
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| 76, Carnarvon Avenue787 m away | 76 m² | 103 m² | +27 m² +36% | 2025 |
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| 41, Brodie Road631 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
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| 95, Tenniswood Road410 m away | 77 m² | 104 m² | +27 m² +35% | 2023 |
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| 48, Morley Hill486 m away | 96 m² | 123 m² | +27 m² +28% | 2021 |
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| 20, Gordon Road500 m away | 66 m² | 93 m² | +27 m² +41% | 2020 |
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| 24, Sandringham Close447 m away | 85 m² | 112 m² | +27 m² +32% | 2018 |
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| 3, The Drive65 m away | 94 m² | 121 m² | +27 m² +29% | 2016 |
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| 53, Kirkland Drive904 m away | 83 m² | 110 m² | +27 m² +33% | 2013 |
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| 34, Heene Road307 m away | 82 m² | 109 m² | +27 m² +33% | 2010 |
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| 16, Burlington Road435 m away | 92 m² | 118 m² | +26 m² +28% | 2026 |
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| 5, Churchbury Road214 m away | 57 m² | 83 m² | +26 m² +46% | 2024 |
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| 5, Kenilworth Crescent285 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 161a, Lancaster Road406 m away | 61 m² | 87 m² | +26 m² +43% | 2024 |
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| 122, Willow Road566 m away | 79 m² | 105 m² | +26 m² +33% | 2024 |
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| 19, Walton Street339 m away | 76 m² | 102 m² | +26 m² +34% | 2014 |
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| 139, Lavender Hill999 m away | 93 m² | 119 m² | +26 m² +28% | 2014 |
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| 71, Birkbeck Road497 m away | 92 m² | 117 m² | +25 m² +27% | 2025 |
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| 22, Parsonage Gardens794 m away | 111 m² | 136 m² | +25 m² +23% | 2024 |
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| 31, Burlington Road453 m away | 83 m² | 108 m² | +25 m² +30% | 2023 |
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| 14, Wetherby Road757 m away | 62 m² | 87 m² | +25 m² +40% | 2023 |
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| 2, Gentlemans Row985 m away | 79 m² | 104 m² | +25 m² +32% | 2022 |
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| 106, Manor Road433 m away | 77 m² | 102 m² | +25 m² +32% | 2021 |
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| 141, Gordon Road298 m away | 87 m² | 112 m² | +25 m² +29% | 2020 |
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| 56, Manor Road523 m away | 80 m² | 105 m² | +25 m² +31% | 2020 |
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| 81, Apple Grove997 m away | 76 m² | 101 m² | +25 m² +33% | 2017 |
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| 44, Phipps Hatch Lane894 m away | 79 m² | 104 m² | +25 m² +32% | 2015 |
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| 93, Manor Road433 m away | 74 m² | 98 m² | +24 m² +32% | 2025 |
|---|
| 20, Radcliffe Avenue561 m away | 81 m² | 104 m² | +23 m² +28% | 2026 |
|---|
| 45, Sandringham Close482 m away | 75 m² | 98 m² | +23 m² +31% | 2025 |
|---|
| 146, Tenniswood Road709 m away | 87 m² | 110 m² | +23 m² +26% | 2024 |
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| 69, Birkbeck Road497 m away | 70 m² | 93 m² | +23 m² +33% | 2023 |
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| 71, Chase Side905 m away | 118 m² | 141 m² | +23 m² +19% | 2023 |
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| 133, Ladysmith Road957 m away | 112 m² | 135 m² | +23 m² +21% | 2023 |
|---|
| 47, Gordon Hill774 m away | 90 m² | 113 m² | +23 m² +26% | 2022 |
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| 26, Bicknoller Road594 m away | 42 m² | 65 m² | +23 m² +55% | 2019 |
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| 37, Inverness Avenue432 m away | 73 m² | 96 m² | +23 m² +32% | 2012 |
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| 69, Gordon Road430 m away | 81 m² | 103 m² | +22 m² +27% | 2026 |
|---|
| 39, Cedar Park Road815 m away | 87 m² | 109 m² | +22 m² +25% | 2026 |
|---|
| 17, Birkbeck Road356 m away | 61 m² | 83 m² | +22 m² +36% | 2025 |
|---|
| 251, Ladysmith Road912 m away | 113 m² | 135 m² | +22 m² +19% | 2024 |
|---|
| 156, Parsonage Lane566 m away | 81 m² | 103 m² | +22 m² +27% | 2022 |
|---|
| 353, Carterhatch Lane764 m away | 87 m² | 109 m² | +22 m² +25% | 2020 |
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| 62, Churchbury Road261 m away | 50 m² | 72 m² | +22 m² +44% | 2018 |
|---|
| 12, Cowdrey Close363 m away | 94 m² | 116 m² | +22 m² +23% | 2017 |
|---|
| 103a, Baker Street505 m away | 41 m² | 63 m² | +22 m² +54% | 2011 |
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| 8, Russell Road837 m away | 95 m² | 117 m² | +22 m² +23% | 2010 |
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| 22, Bell Road164 m away | 78 m² | 99 m² | +21 m² +27% | 2026 |
|---|
| 31, Morley Hill416 m away | 99 m² | 120 m² | +21 m² +21% | 2025 |
|---|
| 21, Monastery Gardens516 m away | 83 m² | 104 m² | +21 m² +25% | 2024 |
|---|
| 64, Connaught Avenue661 m away | 44 m² | 65 m² | +21 m² +48% | 2024 |
|---|
| 45, Riversfield Road831 m away | 93 m² | 114 m² | +21 m² +23% | 2024 |
|---|
| 19, Lea Road370 m away | 74 m² | 95 m² | +21 m² +28% | 2023 |
|---|
| 81, Kirkland Drive904 m away | 67 m² | 88 m² | +21 m² +31% | 2023 |
|---|
| 34, Wetherby Road757 m away | 63 m² | 84 m² | +21 m² +33% | 2022 |
|---|
| 61, Gordon Hill774 m away | 103 m² | 124 m² | +21 m² +20% | 2019 |
|---|
| 109, Mahon Close985 m away | 69 m² | 90 m² | +21 m² +30% | 2019 |
|---|
| 29, Connaught Avenue599 m away | 64 m² | 85 m² | +21 m² +33% | 2018 |
|---|
| 21, Kynaston Road151 m away | 95 m² | 116 m² | +21 m² +22% | 2016 |
|---|
| 39, Youngmans Close639 m away | 94 m² | 115 m² | +21 m² +22% | 2015 |
|---|
| 28, Kilvinton Drive666 m away | 111 m² | 132 m² | +21 m² +19% | 2015 |
|---|
| 7, Drake Street311 m away | 55 m² | 76 m² | +21 m² +38% | 2009 |
|---|
| A home on Baker Street375 m away | 103 m² | 123 m² | +20 m² +19% | 2025 |
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| 128, Gordon Hill939 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
|---|
| 19, Wetherby Road757 m away | 82 m² | 102 m² | +20 m² +24% | 2019 |
|---|
| 22, Armfield Road255 m away | 85 m² | 105 m² | +20 m² +24% | 2017 |
|---|
| 16, Burnham Close558 m away | 79 m² | 99 m² | +20 m² +25% | 2015 |
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