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 IG10 3JE
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 |
|---|---|---|---|---|
| 29, Alderton Hill423 m away | 366 m² | 708 m² | +342 m² +93% | 2017 |
| 5, Shelley Grove488 m away | 156 m² | 366 m² | +210 m² +135% | 2019 |
| 47, Traps Hill311 m away | 252 m² | 461 m² | +209 m² +83% | 2026 |
| 68, Tycehurst Hill452 m away | 213 m² | 419 m² | +206 m² +97% | 2011 |
| 16, Station Road961 m away | 136 m² | 340 m² | +204 m² +150% | 2026 |
| 16, Eleven Acre Rise456 m away | 189 m² | 387 m² | +198 m² +105% | 2024 |
| 72, Tycehurst Hill452 m away | 223 m² | 409 m² | +186 m² +83% | 2025 |
| 21, Eleven Acre Rise456 m away | 202 m² | 386 m² | +184 m² +91% | 2014 |
| 57, Tycehurst Hill456 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.
| 180 m² |
| 359 m² |
| +179 m² +99% |
| 2023 |
| 89, Tycehurst Hill456 m away | 237 m² | 398 m² | +161 m² +68% | 2025 |
|---|
| 55, Tycehurst Hill456 m away | 130 m² | 281 m² | +151 m² +116% | 2018 |
|---|
| 22, St Johns Road877 m away | 253 m² | 382 m² | +129 m² +51% | 2025 |
|---|
| 32, Spareleaze Hill393 m away | 364 m² | 491 m² | +127 m² +35% | 2020 |
|---|
| 39, Tycehurst Hill456 m away | 114 m² | 241 m² | +127 m² +111% | 2013 |
|---|
| 7, Brook Road859 m away | 141 m² | 267 m² | +126 m² +89% | 2016 |
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| 53, Spareleaze Hill403 m away | 319 m² | 443 m² | +124 m² +39% | 2025 |
|---|
| 64, Roundmead Avenue624 m away | 133 m² | 255 m² | +122 m² +92% | 2024 |
|---|
| 12, Shelley Grove488 m away | 149 m² | 269 m² | +120 m² +81% | 2021 |
|---|
| 16, Tycehurst Hill632 m away | 135 m² | 248 m² | +113 m² +84% | 2014 |
|---|
| 102, Colson Road571 m away | 83 m² | 186 m² | +103 m² +124% | 2021 |
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| 108, The Lindens394 m away | 115 m² | 212 m² | +97 m² +84% | 2016 |
|---|
| 69, Chequers Road687 m away | 98 m² | 192 m² | +94 m² +96% | 2026 |
|---|
| 28, The Uplands612 m away | 197 m² | 289 m² | +92 m² +47% | 2018 |
|---|
| 4, Shelley Grove488 m away | 118 m² | 208 m² | +90 m² +76% | 2011 |
|---|
| 39, Traps Hill500 m away | 293 m² | 381 m² | +88 m² +30% | 2019 |
|---|
| 1, Church Lane480 m away | 176 m² | 263 m² | +87 m² +49% | 2024 |
|---|
| 68, Church Hill715 m away | 65 m² | 148 m² | +83 m² +128% | 2021 |
|---|
| 111, Church Hill814 m away | 207 m² | 288 m² | +81 m² +39% | 2016 |
|---|
| 51, Church Lane295 m away | 172 m² | 249 m² | +77 m² +45% | 2025 |
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| 5, Wellfields458 m away | 154 m² | 230 m² | +76 m² +49% | 2026 |
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| 14, Woodland Road973 m away | 79 m² | 154 m² | +75 m² +95% | 2019 |
|---|
| 6, Churchfields795 m away | 101 m² | 174 m² | +73 m² +72% | 2014 |
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| 65, The Lindens617 m away | 136 m² | 206 m² | +70 m² +51% | 2016 |
|---|
| 14, Chigwell Lane966 m away | 95 m² | 162 m² | +67 m² +71% | 2020 |
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| 23, The Greens Close739 m away | 97 m² | 161 m² | +64 m² +66% | 2024 |
|---|
| 33, Church Hill670 m away | 147 m² | 211 m² | +64 m² +44% | 2019 |
|---|
| 4, Chigwell Lane966 m away | 101 m² | 165 m² | +64 m² +63% | 2014 |
|---|
| 9, Colson Path327 m away | 74 m² | 137 m² | +63 m² +85% | 2015 |
|---|
| 83, York Hill918 m away | 65 m² | 126 m² | +61 m² +94% | 2026 |
|---|
| 3, Brook Road859 m away | 147 m² | 208 m² | +61 m² +41% | 2024 |
|---|
| 72, Queens Road835 m away | 96 m² | 156 m² | +60 m² +63% | 2020 |
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| 56, Borders Lane137 m away | 82 m² | 138 m² | +56 m² +68% | 2025 |
|---|
| 14, Queens Road835 m away | 88 m² | 143 m² | +55 m² +63% | 2020 |
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| 26, Woodland Road973 m away | 87 m² | 140 m² | +53 m² +61% | 2025 |
|---|
| 7, Woodland Road944 m away | 75 m² | 127 m² | +52 m² +69% | 2019 |
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| 27, Marjorams Avenue786 m away | 126 m² | 177 m² | +51 m² +40% | 2016 |
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| 88, Alderton Hall Lane579 m away | 70 m² | 120 m² | +50 m² +71% | 2026 |
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| 41, Sedley Rise993 m away | 116 m² | 166 m² | +50 m² +43% | 2026 |
|---|
| 11, Barrington Green918 m away | 68 m² | 118 m² | +50 m² +74% | 2024 |
|---|
| 66, Sedley Rise995 m away | 105 m² | 154 m² | +49 m² +47% | 2017 |
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| 68, Whitehills Road564 m away | 67 m² | 116 m² | +49 m² +73% | 2012 |
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| 28, River Way938 m away | 61 m² | 109 m² | +48 m² +79% | 2025 |
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| 12, Marjorams Avenue715 m away | 102 m² | 149 m² | +47 m² +46% | 2023 |
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| 26, Brooklyn Avenue682 m away | 72 m² | 118 m² | +46 m² +64% | 2021 |
|---|
| 1, Hogarth Reach695 m away | 160 m² | 205 m² | +45 m² +28% | 2025 |
|---|
| 18, Parkmead477 m away | 94 m² | 139 m² | +45 m² +48% | 2021 |
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| 75, Abbess Terrace507 m away | 56 m² | 101 m² | +45 m² +80% | 2011 |
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| 73, Abbess Terrace507 m away | 56 m² | 101 m² | +45 m² +80% | 2011 |
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| 2, Alderton Mews0 m away | 200 m² | 244 m² | +44 m² +22% | 2019 |
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| 3, The Heights739 m away | 118 m² | 161 m² | +43 m² +36% | 2025 |
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| 76, Lawton Road836 m away | 119 m² | 161 m² | +42 m² +35% | 2025 |
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| 1, Stonards Hill870 m away | 85 m² | 127 m² | +42 m² +49% | 2023 |
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| 59, Traps Hill167 m away | 158 m² | 200 m² | +42 m² +27% | 2014 |
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| Maple House, 81, Tycehurst Hill456 m away | 263 m² | 304 m² | +41 m² +16% | 2026 |
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| 20, Lawton Road848 m away | 69 m² | 110 m² | +41 m² +59% | 2022 |
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| 51, Forest Road984 m away | 60 m² | 100 m² | +40 m² +67% | 2023 |
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| 30, Whitehills Road320 m away | 73 m² | 113 m² | +40 m² +55% | 2017 |
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| 70, Brooklyn Avenue752 m away | 119 m² | 159 m² | +40 m² +34% | 2010 |
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| 35, The Drive922 m away | 103 m² | 142 m² | +39 m² +38% | 2025 |
|---|
| 2, Hilltop623 m away | 149 m² | 188 m² | +39 m² +26% | 2023 |
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| 61, Smarts Lane997 m away | 102 m² | 141 m² | +39 m² +38% | 2020 |
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| 39, Rectory Lane796 m away | 85 m² | 123 m² | +38 m² +45% | 2024 |
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| 48, Station Road961 m away | 127 m² | 165 m² | +38 m² +30% | 2020 |
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| 45, Whitehills Road320 m away | 134 m² | 172 m² | +38 m² +28% | 2014 |
|---|
| 56, Hilltop623 m away | 96 m² | 134 m² | +38 m² +40% | 2013 |
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| 13, Hilltop623 m away | 168 m² | 204 m² | +36 m² +21% | 2023 |
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| 33, Habgood Road889 m away | 82 m² | 118 m² | +36 m² +44% | 2016 |
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| 10, River Way938 m away | 84 m² | 119 m² | +35 m² +42% | 2020 |
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| 76, Sedley Rise995 m away | 115 m² | 150 m² | +35 m² +30% | 2020 |
|---|
| 10, Cedar Drive964 m away | 67 m² | 102 m² | +35 m² +52% | 2017 |
|---|
| 64, Stonards Hill855 m away | 94 m² | 129 m² | +35 m² +37% | 2016 |
|---|
| York House, 18b, York Hill770 m away | 135 m² | 170 m² | +35 m² +26% | 2014 |
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| 59, Parkmead477 m away | 104 m² | 138 m² | +34 m² +33% | 2026 |
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| 65, Newmans Lane698 m away | 82 m² | 116 m² | +34 m² +41% | 2025 |
|---|
| 19, School House Gardens567 m away | 66 m² | 100 m² | +34 m² +52% | 2024 |
|---|
| 74, Greenfields299 m away | 61 m² | 95 m² | +34 m² +56% | 2014 |
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| 18a, York Hill770 m away | 46 m² | 79 m² | +33 m² +72% | 2026 |
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| 11, Marjorams Avenue715 m away | 124 m² | 157 m² | +33 m² +27% | 2025 |
|---|
| 212, Hillyfields969 m away | 78 m² | 111 m² | +33 m² +42% | 2021 |
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| 30a, The Uplands612 m away | 134 m² | 167 m² | +33 m² +25% | 2019 |
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| 2, Roundmead Close703 m away | 92 m² | 125 m² | +33 m² +36% | 2016 |
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| 5, Monksgrove719 m away | 80 m² | 113 m² | +33 m² +41% | 2014 |
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| 108, Colson Road571 m away | 84 m² | 117 m² | +33 m² +39% | 2010 |
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| 72, Whitehills Road564 m away | 64 m² | 96 m² | +32 m² +50% | 2025 |
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| 127, Colson Road439 m away | 84 m² | 116 m² | +32 m² +38% | 2020 |
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| 3, Rowans Way208 m away | 124 m² | 156 m² | +32 m² +26% | 2016 |
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| 28, Colson Road779 m away | 82 m² | 114 m² | +32 m² +39% | 2016 |
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| 33, The Uplands571 m away | 183 m² | 215 m² | +32 m² +17% | 2015 |
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| 64, River Way938 m away | 53 m² | 84 m² | +31 m² +58% | 2026 |
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| 72, Brooklyn Avenue752 m away | 130 m² | 161 m² | +31 m² +24% | 2024 |
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| 150, Colson Road439 m away | 84 m² | 114 m² | +30 m² +36% | 2025 |
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| 68, Alderton Hall Lane460 m away | 84 m² | 114 m² | +30 m² +36% | 2023 |
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| 22, Colson Gardens394 m away | 79 m² | 109 m² | +30 m² +38% | 2022 |
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| 28, Whitehills Road320 m away | 83 m² | 112 m² | +29 m² +35% | 2026 |
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| 11, Barncroft Road658 m away | 49 m² | 78 m² | +29 m² +59% | 2024 |
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| 45, Church Hill670 m away | 171 m² | 200 m² | +29 m² +17% | 2022 |
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| 8, Ashley Grove915 m away | 79 m² | 108 m² | +29 m² +37% | 2017 |
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| 10, Queens Road835 m away | 81 m² | 109 m² | +28 m² +35% | 2024 |
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| 67, Queens Road793 m away | 104 m² | 132 m² | +28 m² +27% | 2023 |
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| 72, Sedley Rise995 m away | 89 m² | 117 m² | +28 m² +31% | 2014 |
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| 15, Cherston Road338 m away | 76 m² | 103 m² | +27 m² +36% | 2026 |
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| 48, Bushfields510 m away | 89 m² | 116 m² | +27 m² +30% | 2025 |
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| 77, Monksgrove799 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 5, Churchfields795 m away | 93 m² | 120 m² | +27 m² +29% | 2014 |
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| 18, Marjorams Avenue715 m away | 86 m² | 112 m² | +26 m² +30% | 2025 |
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| 1, Brooklyn Avenue733 m away | 104 m² | 130 m² | +26 m² +25% | 2025 |
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| 14, The Drive922 m away | 102 m² | 128 m² | +26 m² +25% | 2025 |
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| 62, Wellfields628 m away | 164 m² | 190 m² | +26 m² +16% | 2023 |
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| 16, Harvey Gardens918 m away | 82 m² | 107 m² | +25 m² +30% | 2026 |
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| 15, Ibbetson Path908 m away | 35 m² | 60 m² | +25 m² +71% | 2018 |
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| 31, Whitehills Road320 m away | 98 m² | 122 m² | +24 m² +24% | 2024 |
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| 34, Oakwood Hill939 m away | 78 m² | 102 m² | +24 m² +31% | 2024 |
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| 6, Woodland Road973 m away | 107 m² | 131 m² | +24 m² +22% | 2024 |
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| 13, The Heights739 m away | 70 m² | 94 m² | +24 m² +34% | 2023 |
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| 86, Lushes Road833 m away | 70 m² | 94 m² | +24 m² +34% | 2019 |
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| 50, Hilltop623 m away | 94 m² | 118 m² | +24 m² +26% | 2018 |
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| 30, Lawton Road848 m away | 123 m² | 147 m² | +24 m² +20% | 2018 |
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| 18, Roundmead Avenue768 m away | 86 m² | 110 m² | +24 m² +28% | 2014 |
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| 24, Fairmeads913 m away | 117 m² | 141 m² | +24 m² +21% | 2011 |
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| 2, Lucton Mews520 m away | 68 m² | 91 m² | +23 m² +34% | 2025 |
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| 31, Forest Road984 m away | 89 m² | 112 m² | +23 m² +26% | 2025 |
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| 10, Hampton Mead571 m away | 83 m² | 106 m² | +23 m² +28% | 2024 |
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| 22, School House Gardens567 m away | 16 m² | 39 m² | +23 m² +144% | 2023 |
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| 7, Beech Close905 m away | 70 m² | 93 m² | +23 m² +33% | 2021 |
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| 64, Colson Road779 m away | 84 m² | 106 m² | +22 m² +26% | 2026 |
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| 78, River Way825 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
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| 18, Abbess Terrace507 m away | 102 m² | 124 m² | +22 m² +22% | 2024 |
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| 52, School House Gardens567 m away | 57 m² | 79 m² | +22 m² +39% | 2023 |
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| 40, Habgood Road864 m away | 87 m² | 109 m² | +22 m² +25% | 2016 |
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| 57, Habgood Road864 m away | 67 m² | 89 m² | +22 m² +33% | 2014 |
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| 18, Hilltop623 m away | 131 m² | 152 m² | +21 m² +16% | 2026 |
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| 55, Colson Road830 m away | 67 m² | 88 m² | +21 m² +31% | 2024 |
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| 8, Ladyfield Close886 m away | 90 m² | 111 m² | +21 m² +23% | 2022 |
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| 25, Parkmead477 m away | 60 m² | 81 m² | +21 m² +35% | 2018 |
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| 19, Stonards Hill870 m away | 97 m² | 117 m² | +20 m² +21% | 2025 |
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| 46, Bushfields510 m away | 75 m² | 95 m² | +20 m² +27% | 2024 |
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| 59, Habgood Road864 m away | 86 m² | 106 m² | +20 m² +23% | 2024 |
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| 2, Abbess Court431 m away | 56 m² | 76 m² | +20 m² +36% | 2022 |
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| 1, Colson Road963 m away | 83 m² | 103 m² | +20 m² +24% | 2017 |
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| 2, Churchfields795 m away | 102 m² | 122 m² | +20 m² +20% | 2015 |
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| 3, Alderton Rise141 m away | 104 m² | 124 m² | +20 m² +19% | 2013 |
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| 22, Fairmeads913 m away | 53 m² | 73 m² | +20 m² +38% | 2013 |
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| 4, Deepdene Road585 m away | 75 m² | 94 m² | +19 m² +25% | 2024 |
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| 24, Honeycroft436 m away | 88 m² | 107 m² | +19 m² +22% | 2020 |
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| 17, Marjorams Avenue715 m away | 118 m² | 137 m² | +19 m² +16% | 2015 |
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| 301a, High Road725 m away | 55 m² | 73 m² | +18 m² +33% | 2020 |
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| 22, Stonards Hill855 m away | 108 m² | 126 m² | +18 m² +17% | 2020 |
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| 104, River Way825 m away | 51 m² | 68 m² | +17 m² +33% | 2023 |
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| 70, Alderton Hall Lane460 m away | 113 m² | 130 m² | +17 m² +15% | 2022 |
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| 7, Fairmeads913 m away | 69 m² | 86 m² | +17 m² +25% | 2015 |
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| 2, Barrington Road981 m away | 83 m² | 99 m² | +16 m² +19% | 2026 |
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| 37, Lushes Road862 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
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| 4, Bennett House, 9, Priory Road776 m away | 48 m² | 63 m² | +15 m² +31% | 2025 |
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| 86, Sedley Rise995 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
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| 40, Deepdene Road390 m away | 69 m² | 84 m² | +15 m² +22% | 2021 |
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| 25, Deepdene Path500 m away | 81 m² | 96 m² | +15 m² +19% | 2020 |
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| Flat B, 217 - 219, High Road859 m away | 58 m² | 73 m² | +15 m² +26% | 2015 |
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| 38, Colson Road779 m away | 83 m² | 98 m² | +15 m² +18% | 2012 |
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