Finding extended homes…
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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 GU22 0BZ
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 |
|---|---|---|---|---|
| Mapledown, Wych Hill Lane258 m away | 153 m² | 360 m² | +207 m² +135% | 2020 |
| Tresanton, Wych Hill Way497 m away | 133 m² | 305 m² | +172 m² +129% | 2026 |
| 20, Turnoak Avenue147 m away | 98 m² | 221 m² | +123 m² +126% | 2024 |
| 5, Claremont Drive443 m away | 106 m² | 225 m² | +119 m² +112% | 2013 |
| 57, Egley Road505 m away | 109 m² | 226 m² | +117 m² +107% | 2023 |
| 153, Hawthorn Road69 m away | 86 m² | 199 m² | +113 m² +131% | 2021 |
| 17, Maple Grove440 m away | 111 m² | 223 m² | +112 m² +101% | 2022 |
| 29a, Mount Hermon Road649 m away | 120 m² | 232 m² | +112 m² +93% | 2016 |
| 6, Lime Grove504 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.
| 117 m² |
| 226 m² |
| +109 m² +93% |
| 2019 |
| 8, Old Hill631 m away | 113 m² | 220 m² | +107 m² +95% | 2021 |
|---|
| Kennedy, Blackbridge Road570 m away | 106 m² | 212 m² | +106 m² +100% | 2022 |
|---|
| 13, Westfield Avenue479 m away | 88 m² | 191 m² | +103 m² +117% | 2024 |
|---|
| 88, Westfield Road885 m away | 116 m² | 218 m² | +102 m² +88% | 2014 |
|---|
| 56, York Road828 m away | 100 m² | 201 m² | +101 m² +101% | 2015 |
|---|
| 2a, Maple Grove440 m away | 104 m² | 198 m² | +94 m² +90% | 2026 |
|---|
| Whiteoaks, Wych Hill Way497 m away | 108 m² | 202 m² | +94 m² +87% | 2020 |
|---|
| The Cornerstone, Westfield Common989 m away | 84 m² | 176 m² | +92 m² +110% | 2022 |
|---|
| 15, Old Hill631 m away | 124 m² | 214 m² | +90 m² +73% | 2025 |
|---|
| Bedford Cottage, Egley Road350 m away | 92 m² | 182 m² | +90 m² +98% | 2024 |
|---|
| St Olaves, Bonsey Lane609 m away | 93 m² | 183 m² | +90 m² +97% | 2012 |
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| Oak Cottage, Wych Hill Lane559 m away | 260 m² | 349 m² | +89 m² +34% | 2023 |
|---|
| 155, Hawthorn Road69 m away | 86 m² | 175 m² | +89 m² +103% | 2021 |
|---|
| 32, Westfield Avenue339 m away | 63 m² | 150 m² | +87 m² +138% | 2022 |
|---|
| 19, Westfield Avenue339 m away | 79 m² | 165 m² | +86 m² +109% | 2017 |
|---|
| 35, Hillside720 m away | 104 m² | 190 m² | +86 m² +83% | 2014 |
|---|
| 1, Crowder Cottages, Kingfield Road831 m away | 86 m² | 169 m² | +83 m² +97% | 2015 |
|---|
| Gerena, Cinder Path920 m away | 144 m² | 225 m² | +81 m² +56% | 2024 |
|---|
| The Elms, Guildford Road422 m away | 83 m² | 163 m² | +80 m² +96% | 2011 |
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| 12, Turnoak Avenue147 m away | 89 m² | 168 m² | +79 m² +89% | 2014 |
|---|
| 37, Greenmeads873 m away | 88 m² | 166 m² | +78 m² +89% | 2012 |
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| 12, Apers Avenue729 m away | 61 m² | 138 m² | +77 m² +126% | 2013 |
|---|
| 8, Turnoak Avenue147 m away | 142 m² | 215 m² | +73 m² +51% | 2026 |
|---|
| 27, Westfield Road513 m away | 79 m² | 150 m² | +71 m² +90% | 2018 |
|---|
| 9, Old Hill631 m away | 73 m² | 143 m² | +70 m² +96% | 2021 |
|---|
| 27, Hawthorn Road491 m away | 79 m² | 149 m² | +70 m² +89% | 2016 |
|---|
| Penshurst, Blackbridge Road570 m away | 78 m² | 147 m² | +69 m² +88% | 2024 |
|---|
| 37, Egley Road505 m away | 83 m² | 152 m² | +69 m² +83% | 2011 |
|---|
| 9, Rosebery Crescent747 m away | 116 m² | 183 m² | +67 m² +58% | 2022 |
|---|
| 15, Campbell Avenue880 m away | 70 m² | 137 m² | +67 m² +96% | 2020 |
|---|
| Hassocks, West Hill Road398 m away | 141 m² | 208 m² | +67 m² +48% | 2018 |
|---|
| 6a, Chestnut Grove307 m away | 93 m² | 158 m² | +65 m² +70% | 2014 |
|---|
| Long Reach, Westfield Avenue479 m away | 124 m² | 188 m² | +64 m² +52% | 2023 |
|---|
| 110, Hawthorn Road228 m away | 65 m² | 127 m² | +62 m² +95% | 2022 |
|---|
| Holdacre, Wych Hill Lane492 m away | 210 m² | 271 m² | +61 m² +29% | 2017 |
|---|
| Violet Haze, Blackbridge Road712 m away | 128 m² | 188 m² | +60 m² +47% | 2025 |
|---|
| Lindsay Cottage, Guildford Road422 m away | 119 m² | 179 m² | +60 m² +50% | 2021 |
|---|
| Gifford, Guildford Lane319 m away | 143 m² | 203 m² | +60 m² +42% | 2014 |
|---|
| 15, Howards Road679 m away | 74 m² | 131 m² | +57 m² +77% | 2025 |
|---|
| Ty Bach, Highlands Lane883 m away | 78 m² | 134 m² | +56 m² +72% | 2023 |
|---|
| 109, Hawthorn Road228 m away | 103 m² | 158 m² | +55 m² +53% | 2021 |
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| 35, York Road858 m away | 151 m² | 205 m² | +54 m² +36% | 2026 |
|---|
| 53, Greenmeads873 m away | 92 m² | 146 m² | +54 m² +59% | 2021 |
|---|
| Baywood, Kingfield Road763 m away | 61 m² | 114 m² | +53 m² +87% | 2022 |
|---|
| 1, Rosebery Crescent747 m away | 94 m² | 146 m² | +52 m² +55% | 2024 |
|---|
| Brampton Down, West Hill Road398 m away | 249 m² | 298 m² | +49 m² +20% | 2024 |
|---|
| 22, Hillside720 m away | 120 m² | 169 m² | +49 m² +41% | 2022 |
|---|
| 66, Granville Road393 m away | 66 m² | 114 m² | +48 m² +73% | 2020 |
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| 5, Fircroft Close899 m away | 86 m² | 134 m² | +48 m² +56% | 2015 |
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| 24, Orchard Mains857 m away | 96 m² | 144 m² | +48 m² +50% | 2014 |
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| 14, Shackleford Road990 m away | 69 m² | 116 m² | +47 m² +68% | 2026 |
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| 2, Sycamore Avenue131 m away | 120 m² | 167 m² | +47 m² +39% | 2025 |
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| 35, Mount Hermon Road543 m away | 241 m² | 288 m² | +47 m² +20% | 2022 |
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| Fernhill, Fernhill Lane865 m away | 308 m² | 355 m² | +47 m² +15% | 2012 |
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| 23, Howards Road798 m away | 87 m² | 133 m² | +46 m² +53% | 2026 |
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| 53, Elmbridge Lane820 m away | 72 m² | 118 m² | +46 m² +64% | 2026 |
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| 20, Allen House Park903 m away | 181 m² | 227 m² | +46 m² +25% | 2026 |
|---|
| 10, Campbell Avenue880 m away | 67 m² | 112 m² | +45 m² +67% | 2022 |
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| 68, Hawthorn Road418 m away | 86 m² | 130 m² | +44 m² +51% | 2022 |
|---|
| 16, Bonsey Close549 m away | 117 m² | 161 m² | +44 m² +38% | 2015 |
|---|
| Little Dean, Cavendish Road850 m away | 153 m² | 195 m² | +42 m² +27% | 2026 |
|---|
| 23, Hillside720 m away | 97 m² | 139 m² | +42 m² +43% | 2024 |
|---|
| 13, Langley Walk626 m away | 91 m² | 132 m² | +41 m² +45% | 2026 |
|---|
| High Reach, Wych Hill837 m away | 153 m² | 194 m² | +41 m² +27% | 2024 |
|---|
| 36, Greenmeads873 m away | 168 m² | 209 m² | +41 m² +24% | 2023 |
|---|
| 16, Lampeter Close837 m away | 71 m² | 110 m² | +39 m² +55% | 2026 |
|---|
| 40, Downsview Avenue782 m away | 109 m² | 148 m² | +39 m² +36% | 2021 |
|---|
| 21, Shackleford Road963 m away | 60 m² | 98 m² | +38 m² +63% | 2019 |
|---|
| Flat 5, 145, York Road664 m away | 46 m² | 84 m² | +38 m² +83% | 2018 |
|---|
| 2, The Beeches, Wych Hill Lane258 m away | 103 m² | 140 m² | +37 m² +36% | 2020 |
|---|
| The Hollies, Cinder Path920 m away | 158 m² | 195 m² | +37 m² +23% | 2020 |
|---|
| 2, Orchard Mains857 m away | 139 m² | 174 m² | +35 m² +25% | 2022 |
|---|
| 1, Rydens Way871 m away | 66 m² | 101 m² | +35 m² +53% | 2022 |
|---|
| 25, Allen House Park903 m away | 117 m² | 152 m² | +35 m² +30% | 2018 |
|---|
| 15, South View Court831 m away | 37 m² | 72 m² | +35 m² +95% | 2014 |
|---|
| 5, Kingfield Gardens605 m away | 64 m² | 99 m² | +35 m² +55% | 2013 |
|---|
| 11, Quartermaine Avenue985 m away | 91 m² | 125 m² | +34 m² +37% | 2024 |
|---|
| 29, Elmbridge Lane820 m away | 140 m² | 174 m² | +34 m² +24% | 2022 |
|---|
| Flat 24, Park Heights, Constitution Hill780 m away | 40 m² | 74 m² | +34 m² +85% | 2020 |
|---|
| 16, Stockers Lane748 m away | 97 m² | 130 m² | +33 m² +34% | 2026 |
|---|
| 22, Old Hill631 m away | 86 m² | 119 m² | +33 m² +38% | 2020 |
|---|
| Hill Cottage, Wych Hill Rise767 m away | 50 m² | 83 m² | +33 m² +66% | 2020 |
|---|
| 13, Downsview Avenue782 m away | 105 m² | 138 m² | +33 m² +31% | 2018 |
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| 22, Evelyn Close437 m away | 126 m² | 159 m² | +33 m² +26% | 2017 |
|---|
| 18, Wych Hill Park834 m away | 33 m² | 65 m² | +32 m² +97% | 2019 |
|---|
| Twolews, Balfour Avenue933 m away | 95 m² | 127 m² | +32 m² +34% | 2013 |
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| 5, Evelyn Close437 m away | 111 m² | 142 m² | +31 m² +28% | 2019 |
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| Wensum, Beaconsfield Road677 m away | 53 m² | 84 m² | +31 m² +58% | 2019 |
|---|
| 1, Kingfield House, Elmbridge Lane555 m away | 49 m² | 79 m² | +30 m² +61% | 2025 |
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| 12, Woodlands711 m away | 67 m² | 97 m² | +30 m² +45% | 2024 |
|---|
| 24, Old Hill631 m away | 100 m² | 130 m² | +30 m² +30% | 2020 |
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| 139, York Road751 m away | 192 m² | 222 m² | +30 m² +16% | 2020 |
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| 71, Queen Elizabeth Way765 m away | 87 m² | 117 m² | +30 m² +34% | 2020 |
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| 28, Loop Road610 m away | 79 m² | 109 m² | +30 m² +38% | 2018 |
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| Cartref, Kingfield Road831 m away | 78 m² | 108 m² | +30 m² +38% | 2013 |
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| 65, York Road858 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
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| 30, Woodlands711 m away | 113 m² | 142 m² | +29 m² +26% | 2016 |
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| 9, Ash Road352 m away | 87 m² | 115 m² | +28 m² +32% | 2021 |
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| 61, Queen Elizabeth Way765 m away | 87 m² | 115 m² | +28 m² +32% | 2021 |
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| 14, Hawthorn Close39 m away | 67 m² | 95 m² | +28 m² +42% | 2017 |
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| 2, Apers Avenue729 m away | 104 m² | 132 m² | +28 m² +27% | 2016 |
|---|
| 1, Park Drive884 m away | 88 m² | 116 m² | +28 m² +32% | 2015 |
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| 8, Westfield Avenue339 m away | 103 m² | 130 m² | +27 m² +26% | 2025 |
|---|
| 2, Midhope Gardens511 m away | 77 m² | 104 m² | +27 m² +35% | 2025 |
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| Woodleigh, Wych Hill Lane559 m away | 144 m² | 171 m² | +27 m² +19% | 2024 |
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| 21, Chestnut Grove307 m away | 99 m² | 126 m² | +27 m² +27% | 2023 |
|---|
| 31, Downsview Avenue782 m away | 69 m² | 96 m² | +27 m² +39% | 2023 |
|---|
| 1, Apers Avenue729 m away | 114 m² | 141 m² | +27 m² +24% | 2016 |
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| 7, Langley Walk626 m away | 104 m² | 130 m² | +26 m² +25% | 2019 |
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| 6, Fircroft Close899 m away | 82 m² | 108 m² | +26 m² +32% | 2015 |
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| Shrubbery Cottage, Triggs Lane818 m away | 75 m² | 100 m² | +25 m² +33% | 2023 |
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| Beech Tree House, West Hill Road398 m away | 125 m² | 150 m² | +25 m² +20% | 2021 |
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| 9, Radstone Court986 m away | 75 m² | 100 m² | +25 m² +33% | 2021 |
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| Autumn, Wych Hill837 m away | 161 m² | 186 m² | +25 m² +16% | 2020 |
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| Kesteven, Guildford Road328 m away | 146 m² | 171 m² | +25 m² +17% | 2015 |
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| 10, Ashdown Close673 m away | 130 m² | 154 m² | +24 m² +18% | 2020 |
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| 6, Lampeter Close837 m away | 77 m² | 100 m² | +23 m² +30% | 2023 |
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| Hollyrose, Linden Way875 m away | 75 m² | 98 m² | +23 m² +31% | 2023 |
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| 61, York Road858 m away | 83 m² | 106 m² | +23 m² +28% | 2022 |
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| 20, Cavendish Road850 m away | 70 m² | 93 m² | +23 m² +33% | 2015 |
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| 21, Queen Elizabeth Way765 m away | 120 m² | 143 m² | +23 m² +19% | 2014 |
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| 5, Rydens Way871 m away | 71 m² | 93 m² | +22 m² +31% | 2025 |
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| Lowlands, Blackbridge Road570 m away | 120 m² | 142 m² | +22 m² +18% | 2020 |
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| 7, Vicarage Road838 m away | 126 m² | 148 m² | +22 m² +17% | 2020 |
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| 39, Westfield Avenue339 m away | 113 m² | 134 m² | +21 m² +19% | 2025 |
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| Brantford, Blackbridge Road570 m away | 89 m² | 110 m² | +21 m² +24% | 2022 |
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| Stoneystack, Highlands Lane883 m away | 102 m² | 123 m² | +21 m² +21% | 2017 |
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| 52, Shackleford Road990 m away | 76 m² | 97 m² | +21 m² +28% | 2014 |
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| 61, Ash Road259 m away | 49 m² | 69 m² | +20 m² +41% | 2024 |
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| Flat 96, Homebeech House, Mount Hermon Road774 m away | 19 m² | 39 m² | +20 m² +105% | 2023 |
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| 18, Rosebery Crescent747 m away | 129 m² | 149 m² | +20 m² +16% | 2022 |
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| 56, Granville Road393 m away | 68 m² | 88 m² | +20 m² +29% | 2019 |
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| 30, Belgrave Manor565 m away | 31 m² | 51 m² | +20 m² +65% | 2019 |
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| 21, Loop Road610 m away | 88 m² | 108 m² | +20 m² +23% | 2017 |
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| 15, Downsview Avenue782 m away | 113 m² | 133 m² | +20 m² +18% | 2016 |
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| Leeward, Mount Hermon Road801 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| 19, Rydens Way871 m away | 72 m² | 91 m² | +19 m² +26% | 2024 |
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| West Hill Lodge, West Hill Road398 m away | 126 m² | 145 m² | +19 m² +15% | 2022 |
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| 4, Tamerton Square657 m away | 118 m² | 137 m² | +19 m² +16% | 2022 |
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| 1, Holmes Close585 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
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| 10, Everlands Close730 m away | 93 m² | 112 m² | +19 m² +20% | 2020 |
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| 7, Triggs Close895 m away | 83 m² | 102 m² | +19 m² +23% | 2014 |
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| 14, Lampeter Close837 m away | 76 m² | 95 m² | +19 m² +25% | 2011 |
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| 5, Kingfield Drive469 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 26, Elmbridge Lane715 m away | 92 m² | 110 m² | +18 m² +20% | 2026 |
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| 11, Apple Trees Place948 m away | 30 m² | 48 m² | +18 m² +60% | 2020 |
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| 42, Hillview Court950 m away | 67 m² | 85 m² | +18 m² +27% | 2020 |
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| 12, Azalea Court744 m away | 34 m² | 52 m² | +18 m² +53% | 2018 |
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| 12, Thorsden Court717 m away | 99 m² | 116 m² | +17 m² +17% | 2022 |
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| Flat 42, Park Heights, Constitution Hill780 m away | 60 m² | 77 m² | +17 m² +28% | 2022 |
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| Brummell, White Rose Lane979 m away | 94 m² | 111 m² | +17 m² +18% | 2021 |
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| 31, Ellingham, Midhope Road435 m away | 31 m² | 48 m² | +17 m² +55% | 2020 |
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| Sunningdale, Wych Hill Lane258 m away | 73 m² | 90 m² | +17 m² +23% | 2013 |
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| 13, Thorsden Court717 m away | 100 m² | 117 m² | +17 m² +17% | 2013 |
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| 77, Hawthorn Road228 m away | 85 m² | 102 m² | +17 m² +20% | 2011 |
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| 4, Westfield Close645 m away | 90 m² | 106 m² | +16 m² +18% | 2026 |
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| 28, Woodlands711 m away | 101 m² | 117 m² | +16 m² +16% | 2026 |
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| Fox Oak, Blackbridge Road570 m away | 103 m² | 119 m² | +16 m² +16% | 2025 |
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| 5, Langley Walk626 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
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| 27, Cavendish Road850 m away | 86 m² | 102 m² | +16 m² +19% | 2025 |
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| 21, Lime Grove504 m away | 83 m² | 98 m² | +15 m² +18% | 2026 |
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| 9, Lampeter House, Mount Hermon Road792 m away | 71 m² | 86 m² | +15 m² +21% | 2026 |
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| 67, Wych Hill Park779 m away | 63 m² | 78 m² | +15 m² +24% | 2024 |
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| 18, Ash Road200 m away | 87 m² | 102 m² | +15 m² +17% | 2022 |
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| 1, Willow Bank829 m away | 82 m² | 97 m² | +15 m² +18% | 2022 |
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| 33, Sundridge Road866 m away | 74 m² | 89 m² | +15 m² +20% | 2020 |
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| Flat 6, Beech House, Sycamore Avenue213 m away | 53 m² | 68 m² | +15 m² +28% | 2018 |
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| 19, Mount Hermon Road700 m away | 70 m² | 85 m² | +15 m² +21% | 2014 |
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| 15, Radstone Court986 m away | 65 m² | 80 m² | +15 m² +23% | 2013 |
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