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 HA3 6AW
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 |
|---|---|---|---|---|
| 9, Bentley Way731 m away | 177 m² | 383 m² | +206 m² +116% | 2023 |
| Hermitage Gate, Clamp Hill654 m away | 358 m² | 509 m² | +151 m² +42% | 2026 |
| 17, West Drive997 m away | 157 m² | 295 m² | +138 m² +88% | 2017 |
| Hookwood, Clamp Hill440 m away | 121 m² | 252 m² | +131 m² +108% | 2011 |
| Hillingdon, Clamp Hill977 m away | 88 m² | 214 m² | +126 m² +143% | 2024 |
| 72, Elms Road254 m away | 98 m² | 222 m² | +124 m² +127% | 2012 |
| 12, Kelvin Crescent374 m away | 110 m² | 233 m² | +123 m² +112% | 2015 |
| 32, Elms Road554 m away | 154 m² | 263 m² | +109 m² +71% | 2023 |
| 1, The Chase571 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.
| 115 m² |
| 216 m² |
| +101 m² +88% |
| 2026 |
| 98, Elms Road175 m away | 79 m² | 178 m² | +99 m² +125% | 2025 |
|---|
| 179, Uxbridge Road723 m away | 81 m² | 180 m² | +99 m² +122% | 2020 |
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| 20, Chartley Avenue257 m away | 88 m² | 180 m² | +92 m² +105% | 2021 |
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| 37, Chestnut Drive563 m away | 68 m² | 160 m² | +92 m² +135% | 2011 |
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| 29, Drummond Drive303 m away | 96 m² | 181 m² | +85 m² +89% | 2018 |
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| 113, College Hill Road700 m away | 134 m² | 216 m² | +82 m² +61% | 2017 |
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| Fernleigh, Clamp Hill977 m away | 100 m² | 181 m² | +81 m² +81% | 2020 |
|---|
| 7, West Drive997 m away | 177 m² | 255 m² | +78 m² +44% | 2026 |
|---|
| 8, Ashdale Grove404 m away | 70 m² | 148 m² | +78 m² +111% | 2024 |
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| 27, Kenneth Gardens424 m away | 72 m² | 150 m² | +78 m² +108% | 2018 |
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| 12, Boxtree Road777 m away | 97 m² | 173 m² | +76 m² +78% | 2023 |
|---|
| 15, Binyon Crescent471 m away | 88 m² | 164 m² | +76 m² +86% | 2014 |
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| 13, Bentley Way731 m away | 136 m² | 209 m² | +73 m² +54% | 2025 |
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| 92, College Hill Road621 m away | 85 m² | 158 m² | +73 m² +86% | 2022 |
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| 23, Vernon Drive857 m away | 86 m² | 157 m² | +71 m² +83% | 2025 |
|---|
| 5, Chartley Avenue324 m away | 78 m² | 148 m² | +70 m² +90% | 2020 |
|---|
| 12, Bentley Way768 m away | 152 m² | 220 m² | +68 m² +45% | 2019 |
|---|
| 22, Monro Gardens540 m away | 108 m² | 175 m² | +67 m² +62% | 2022 |
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| 11, Temple Mead Close920 m away | 128 m² | 195 m² | +67 m² +52% | 2022 |
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| 65, Binyon Crescent631 m away | 91 m² | 155 m² | +64 m² +70% | 2023 |
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| 2, Winston Close102 m away | 84 m² | 147 m² | +63 m² +75% | 2025 |
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| 4, Woodcroft Avenue681 m away | 81 m² | 144 m² | +63 m² +78% | 2020 |
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| 29, The Avenue706 m away | 102 m² | 164 m² | +62 m² +61% | 2020 |
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| Newbridge, Brookshill700 m away | 154 m² | 215 m² | +61 m² +40% | 2025 |
|---|
| 21, Whitegate Gardens317 m away | 82 m² | 141 m² | +59 m² +72% | 2020 |
|---|
| 9, Clamp Hill440 m away | 135 m² | 193 m² | +58 m² +43% | 2019 |
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| 28, Elms Road554 m away | 177 m² | 234 m² | +57 m² +32% | 2024 |
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| 2, Adderley Road918 m away | 83 m² | 140 m² | +57 m² +69% | 2023 |
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| 40, College Avenue851 m away | 123 m² | 179 m² | +56 m² +46% | 2026 |
|---|
| 15, Boxtree Lane977 m away | 76 m² | 132 m² | +56 m² +74% | 2023 |
|---|
| 162, College Hill Road479 m away | 105 m² | 160 m² | +55 m² +52% | 2025 |
|---|
| 34, Drummond Drive276 m away | 102 m² | 156 m² | +54 m² +53% | 2022 |
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| 9, Daventer Drive343 m away | 72 m² | 125 m² | +53 m² +74% | 2026 |
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| 9, Ash Close346 m away | 220 m² | 273 m² | +53 m² +24% | 2026 |
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| 63, College Road757 m away | 166 m² | 218 m² | +52 m² +31% | 2024 |
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| 28, Woodcroft Avenue681 m away | 101 m² | 153 m² | +52 m² +51% | 2021 |
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| 95, College Hill Road700 m away | 116 m² | 168 m² | +52 m² +45% | 2019 |
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| 15, Park Rise993 m away | 114 m² | 165 m² | +51 m² +45% | 2022 |
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| 107, Drummond Drive650 m away | 107 m² | 157 m² | +50 m² +47% | 2019 |
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| 25, Whitegate Gardens317 m away | 122 m² | 171 m² | +49 m² +40% | 2026 |
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| 878, Kenton Lane225 m away | 75 m² | 124 m² | +49 m² +65% | 2025 |
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| 787, Kenton Lane151 m away | 104 m² | 152 m² | +48 m² +46% | 2015 |
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| 1, Stamford Close429 m away | 140 m² | 188 m² | +48 m² +34% | 2015 |
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| 114, College Road775 m away | 243 m² | 290 m² | +47 m² +19% | 2014 |
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| 40, The Avenue675 m away | 87 m² | 134 m² | +47 m² +54% | 2012 |
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| 11, Park Rise993 m away | 90 m² | 136 m² | +46 m² +51% | 2020 |
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| 33, Adderley Road908 m away | 65 m² | 111 m² | +46 m² +71% | 2017 |
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| 724, Kenton Lane351 m away | 118 m² | 163 m² | +45 m² +38% | 2025 |
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| 72, Vernon Drive988 m away | 100 m² | 145 m² | +45 m² +45% | 2024 |
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| 2, Drummond Drive276 m away | 149 m² | 194 m² | +45 m² +30% | 2023 |
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| 55, Uxbridge Road332 m away | 207 m² | 252 m² | +45 m² +22% | 2014 |
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| 25, Wynchgate367 m away | 77 m² | 122 m² | +45 m² +58% | 2013 |
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| 72, Drummond Drive479 m away | 92 m² | 136 m² | +44 m² +48% | 2017 |
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| 31, Dryden Road982 m away | 50 m² | 94 m² | +44 m² +88% | 2017 |
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| 28, Whitegate Gardens311 m away | 95 m² | 139 m² | +44 m² +46% | 2013 |
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| 5, Kelvin Crescent374 m away | 113 m² | 153 m² | +40 m² +35% | 2025 |
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| 483, High Road668 m away | 94 m² | 134 m² | +40 m² +43% | 2025 |
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| 632, Kenton Lane908 m away | 75 m² | 115 m² | +40 m² +53% | 2024 |
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| 25, College Hill Road809 m away | 38 m² | 78 m² | +40 m² +105% | 2022 |
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| 26, Woodcroft Avenue681 m away | 99 m² | 138 m² | +39 m² +39% | 2025 |
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| 394, High Road600 m away | 136 m² | 175 m² | +39 m² +29% | 2019 |
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| 64, College Road775 m away | 70 m² | 108 m² | +38 m² +54% | 2026 |
|---|
| 28, Sitwell Grove581 m away | 90 m² | 128 m² | +38 m² +42% | 2018 |
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| 12, The Chase607 m away | 107 m² | 144 m² | +37 m² +35% | 2023 |
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| 780, Kenton Lane167 m away | 94 m² | 131 m² | +37 m² +39% | 2022 |
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| 30, Temple Mead Close920 m away | 134 m² | 171 m² | +37 m² +28% | 2019 |
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| 21, Park Crescent916 m away | 136 m² | 173 m² | +37 m² +27% | 2015 |
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| 22, Drummond Drive276 m away | 94 m² | 130 m² | +36 m² +38% | 2025 |
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| 15, Kenneth Gardens424 m away | 93 m² | 129 m² | +36 m² +39% | 2025 |
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| 56, Beverley Gardens949 m away | 68 m² | 104 m² | +36 m² +53% | 2021 |
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| 21, Vernon Drive857 m away | 96 m² | 131 m² | +35 m² +36% | 2025 |
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| Flat 10, Cygnet House, Uxbridge Road392 m away | 94 m² | 129 m² | +35 m² +37% | 2022 |
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| 19, Mountside738 m away | 60 m² | 95 m² | +35 m² +58% | 2019 |
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| 5, All Saints Mews336 m away | 161 m² | 195 m² | +34 m² +21% | 2023 |
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| 6, Jellicoe Gardens504 m away | 159 m² | 193 m² | +34 m² +21% | 2023 |
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| 83, The Meadow Way925 m away | 79 m² | 113 m² | +34 m² +43% | 2021 |
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| 772, Kenton Lane167 m away | 41 m² | 75 m² | +34 m² +83% | 2013 |
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| 6, Bridges Road704 m away | 91 m² | 124 m² | +33 m² +36% | 2025 |
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| 4, Sitwell Grove581 m away | 86 m² | 119 m² | +33 m² +38% | 2023 |
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| Flat 14, Pond House, Lady Aylesford Avenue973 m away | 143 m² | 176 m² | +33 m² +23% | 2019 |
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| 250a, High Road993 m away | 41 m² | 74 m² | +33 m² +80% | 2018 |
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| 846, Kenton Lane225 m away | 143 m² | 176 m² | +33 m² +23% | 2016 |
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| 20, Sitwell Grove581 m away | 102 m² | 134 m² | +32 m² +31% | 2025 |
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| 62, College Hill Road784 m away | 118 m² | 149 m² | +31 m² +26% | 2023 |
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| 6, Acacia Close422 m away | 96 m² | 127 m² | +31 m² +32% | 2016 |
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| 14, College Hill Road784 m away | 121 m² | 151 m² | +30 m² +25% | 2020 |
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| Flat 6, Parkview Court, 1, Elms Road703 m away | 39 m² | 68 m² | +29 m² +74% | 2020 |
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| 10, Chenduit Way647 m away | 86 m² | 115 m² | +29 m² +34% | 2019 |
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| 34, Goodhall Close917 m away | 96 m² | 125 m² | +29 m² +30% | 2015 |
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| 3, Weald Rise548 m away | 84 m² | 112 m² | +28 m² +33% | 2024 |
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| 39, Masefield Avenue580 m away | 88 m² | 116 m² | +28 m² +32% | 2014 |
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| 559, Kenton Lane913 m away | 67 m² | 95 m² | +28 m² +42% | 2013 |
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| 37, Whitegate Gardens317 m away | 78 m² | 105 m² | +27 m² +35% | 2026 |
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| 18, Goodhall Close917 m away | 100 m² | 127 m² | +27 m² +27% | 2026 |
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| 62, Richmond Gardens99 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 4, Mountside741 m away | 80 m² | 107 m² | +27 m² +34% | 2023 |
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| 53, Whitegate Gardens317 m away | 82 m² | 109 m² | +27 m² +33% | 2022 |
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| 12, Alton Avenue449 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
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| 63, Drummond Drive499 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
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| 5, Capuchin Close882 m away | 97 m² | 123 m² | +26 m² +27% | 2021 |
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| 511, High Road668 m away | 154 m² | 180 m² | +26 m² +17% | 2019 |
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| Maycroft, Clamp Hill977 m away | 130 m² | 156 m² | +26 m² +20% | 2016 |
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| 18, Monro Gardens540 m away | 106 m² | 131 m² | +25 m² +24% | 2025 |
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| 14, Connaught Road927 m away | 77 m² | 102 m² | +25 m² +32% | 2024 |
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| The Nook, Old Lodge Way999 m away | 123 m² | 148 m² | +25 m² +20% | 2016 |
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| 5, Caddis Close373 m away | 83 m² | 108 m² | +25 m² +30% | 2015 |
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| 139, Uxbridge Road411 m away | 101 m² | 126 m² | +25 m² +25% | 2015 |
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| 708, Kenton Lane552 m away | 92 m² | 117 m² | +25 m² +27% | 2011 |
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| 10, Boxtree Road777 m away | 94 m² | 118 m² | +24 m² +26% | 2023 |
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| 56, Jellicoe Gardens504 m away | 134 m² | 158 m² | +24 m² +18% | 2015 |
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| 50, Fontwell Close474 m away | 78 m² | 101 m² | +23 m² +29% | 2025 |
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| 9, Ashdale Grove404 m away | 65 m² | 88 m² | +23 m² +35% | 2023 |
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| 93, Drummond Drive499 m away | 135 m² | 158 m² | +23 m² +17% | 2022 |
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| 69, Bishop Ken Road923 m away | 53 m² | 76 m² | +23 m² +43% | 2012 |
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| 29, Kynaston Close745 m away | 132 m² | 154 m² | +22 m² +17% | 2026 |
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| 59a, College Hill Road825 m away | 105 m² | 127 m² | +22 m² +21% | 2025 |
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| 774, Kenton Lane167 m away | 78 m² | 100 m² | +22 m² +28% | 2024 |
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| 87, Church Lane994 m away | 73 m² | 95 m² | +22 m² +30% | 2022 |
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| 26, Weald Rise548 m away | 96 m² | 118 m² | +22 m² +23% | 2021 |
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| 2a, The Highway645 m away | 106 m² | 128 m² | +22 m² +21% | 2014 |
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| 42, College Hill Road784 m away | 107 m² | 129 m² | +22 m² +21% | 2013 |
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| 81, Park Crescent771 m away | 76 m² | 97 m² | +21 m² +28% | 2025 |
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| 710a, Kenton Lane552 m away | 80 m² | 101 m² | +21 m² +26% | 2024 |
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| 40, Kenneth Gardens468 m away | 70 m² | 91 m² | +21 m² +30% | 2015 |
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| 8, Lawrie Court, Kenton Lane107 m away | 65 m² | 85 m² | +20 m² +31% | 2026 |
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| 50, Richmond Gardens99 m away | 63 m² | 83 m² | +20 m² +32% | 2025 |
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| 9, Capuchin Close882 m away | 89 m² | 109 m² | +20 m² +22% | 2025 |
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| 70, College Hill Road784 m away | 86 m² | 106 m² | +20 m² +23% | 2024 |
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| 42, Kenneth Gardens468 m away | 70 m² | 90 m² | +20 m² +29% | 2023 |
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| 78, Bishop Ken Road953 m away | 58 m² | 77 m² | +19 m² +33% | 2025 |
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| 36, Chartley Avenue257 m away | 97 m² | 116 m² | +19 m² +20% | 2024 |
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| 33, Chartley Avenue324 m away | 76 m² | 95 m² | +19 m² +25% | 2024 |
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| 30, Connaught Road927 m away | 76 m² | 95 m² | +19 m² +25% | 2013 |
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| 50, Kynaston Wood856 m away | 83 m² | 101 m² | +18 m² +22% | 2026 |
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| 331, High Road986 m away | 89 m² | 107 m² | +18 m² +20% | 2024 |
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| 55a, College Road757 m away | 39 m² | 57 m² | +18 m² +46% | 2022 |
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| 1, West Drive Gardens972 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
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| 92, Bishop Ken Road852 m away | 48 m² | 66 m² | +18 m² +38% | 2018 |
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| 17, College Avenue818 m away | 103 m² | 121 m² | +18 m² +17% | 2017 |
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| 238, High Road993 m away | 65 m² | 83 m² | +18 m² +28% | 2014 |
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| 28, Algar Close647 m away | 77 m² | 94 m² | +17 m² +22% | 2026 |
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| 35, Drummond Drive303 m away | 89 m² | 106 m² | +17 m² +19% | 2023 |
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| 54, Boxtree Road932 m away | 97 m² | 114 m² | +17 m² +18% | 2023 |
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| 9, Church Lane994 m away | 90 m² | 107 m² | +17 m² +19% | 2018 |
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| 238a, High Road993 m away | 64 m² | 80 m² | +16 m² +25% | 2021 |
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| 51, Mountside757 m away | 27 m² | 43 m² | +16 m² +59% | 2019 |
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| 59, Whitegate Gardens317 m away | 83 m² | 99 m² | +16 m² +19% | 2015 |
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| Flat 13, Azure, 463, High Road862 m away | 43 m² | 59 m² | +16 m² +37% | 2015 |
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| 648, Kenton Lane908 m away | 74 m² | 90 m² | +16 m² +22% | 2014 |
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| Flat 10, Pinehurst, 30, Uxbridge Road878 m away | 95 m² | 111 m² | +16 m² +17% | 2008 |
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| 76, Church Lane904 m away | 82 m² | 97 m² | +15 m² +18% | 2025 |
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| 2, Laurel Park362 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
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| 667, Kenton Lane508 m away | 90 m² | 105 m² | +15 m² +17% | 2020 |
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| Flat 12, Orchid Court, 286, High Road968 m away | 72 m² | 87 m² | +15 m² +21% | 2020 |
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| 60, College Hill Road784 m away | 83 m² | 98 m² | +15 m² +18% | 2019 |
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| 387, High Road928 m away | 96 m² | 111 m² | +15 m² +16% | 2019 |
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