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 0AA
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 Lane459 m away | 153 m² | 360 m² | +207 m² +135% | 2020 |
| The Old Lodge, Firbank Lane852 m away | 223 m² | 396 m² | +173 m² +78% | 2025 |
| Tresanton, Wych Hill Way150 m away | 133 m² | 305 m² | +172 m² +129% | 2026 |
| Highlands, Cedar Road877 m away | 197 m² | 363 m² | +166 m² +84% | 2011 |
| Woodbury, The Drive992 m away | 229 m² | 358 m² | +129 m² +56% | 2022 |
| 20, Turnoak Avenue449 m away | 98 m² | 221 m² | +123 m² +126% | 2024 |
| Verona, Hook Heath Road558 m away | 145 m² | 267 m² | +122 m² +84% | 2016 |
| 5, Claremont Drive679 m away | 106 m² | 225 m² | +119 m² +112% | 2013 |
| 57, Egley Road434 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.
| 109 m² |
| 226 m² |
| +117 m² +107% |
| 2023 |
| 153, Hawthorn Road518 m away | 86 m² | 199 m² | +113 m² +131% | 2021 |
|---|
| 17, Maple Grove909 m away | 111 m² | 223 m² | +112 m² +101% | 2022 |
|---|
| 29a, Mount Hermon Road285 m away | 120 m² | 232 m² | +112 m² +93% | 2016 |
|---|
| 6, Lime Grove946 m away | 117 m² | 226 m² | +109 m² +93% | 2019 |
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| 8, Old Hill447 m away | 113 m² | 220 m² | +107 m² +95% | 2021 |
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| Kennedy, Blackbridge Road298 m away | 106 m² | 212 m² | +106 m² +100% | 2022 |
|---|
| 13, Westfield Avenue984 m away | 88 m² | 191 m² | +103 m² +117% | 2024 |
|---|
| 56, York Road515 m away | 100 m² | 201 m² | +101 m² +101% | 2015 |
|---|
| 2a, Maple Grove909 m away | 104 m² | 198 m² | +94 m² +90% | 2026 |
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| Whiteoaks, Wych Hill Way150 m away | 108 m² | 202 m² | +94 m² +87% | 2020 |
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| 7, Kingsway839 m away | 96 m² | 186 m² | +90 m² +94% | 2026 |
|---|
| 15, Old Hill447 m away | 124 m² | 214 m² | +90 m² +73% | 2025 |
|---|
| Bedford Cottage, Egley Road228 m away | 92 m² | 182 m² | +90 m² +98% | 2024 |
|---|
| Oak Cottage, Wych Hill Lane0 m away | 260 m² | 349 m² | +89 m² +34% | 2023 |
|---|
| 155, Hawthorn Road518 m away | 86 m² | 175 m² | +89 m² +103% | 2021 |
|---|
| 32, Westfield Avenue886 m away | 63 m² | 150 m² | +87 m² +138% | 2022 |
|---|
| 19, Westfield Avenue886 m away | 79 m² | 165 m² | +86 m² +109% | 2017 |
|---|
| 35, Hillside593 m away | 104 m² | 190 m² | +86 m² +83% | 2014 |
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| 4, De Lara Way572 m away | 87 m² | 172 m² | +85 m² +98% | 2015 |
|---|
| Gerena, Cinder Path371 m away | 144 m² | 225 m² | +81 m² +56% | 2024 |
|---|
| The Elms, Guildford Road482 m away | 83 m² | 163 m² | +80 m² +96% | 2011 |
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| 12, Turnoak Avenue449 m away | 89 m² | 168 m² | +79 m² +89% | 2014 |
|---|
| Logie, Cedar Road796 m away | 300 m² | 378 m² | +78 m² +26% | 2025 |
|---|
| 8, Turnoak Avenue449 m away | 142 m² | 215 m² | +73 m² +51% | 2026 |
|---|
| 9, Old Hill447 m away | 73 m² | 143 m² | +70 m² +96% | 2021 |
|---|
| 27, Hawthorn Road662 m away | 79 m² | 149 m² | +70 m² +89% | 2016 |
|---|
| Penshurst, Blackbridge Road298 m away | 78 m² | 147 m² | +69 m² +88% | 2024 |
|---|
| 37, Egley Road434 m away | 83 m² | 152 m² | +69 m² +83% | 2011 |
|---|
| Hassocks, West Hill Road244 m away | 141 m² | 208 m² | +67 m² +48% | 2018 |
|---|
| 72, Kingsway666 m away | 102 m² | 168 m² | +66 m² +65% | 2020 |
|---|
| 6a, Chestnut Grove827 m away | 93 m² | 158 m² | +65 m² +70% | 2014 |
|---|
| Long Reach, Westfield Avenue984 m away | 124 m² | 188 m² | +64 m² +52% | 2023 |
|---|
| Glasserton Cottage, Hook Heath Road828 m away | 162 m² | 224 m² | +62 m² +38% | 2025 |
|---|
| 110, Hawthorn Road382 m away | 65 m² | 127 m² | +62 m² +95% | 2022 |
|---|
| Holdacre, Wych Hill Lane126 m away | 210 m² | 271 m² | +61 m² +29% | 2017 |
|---|
| Violet Haze, Blackbridge Road260 m away | 128 m² | 188 m² | +60 m² +47% | 2025 |
|---|
| Lindsay Cottage, Guildford Road482 m away | 119 m² | 179 m² | +60 m² +50% | 2021 |
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| Gifford, Guildford Lane240 m away | 143 m² | 203 m² | +60 m² +42% | 2014 |
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| 8, Kingsway839 m away | 95 m² | 152 m² | +57 m² +60% | 2019 |
|---|
| Anglebury, Kingsway Avenue790 m away | 164 m² | 220 m² | +56 m² +34% | 2016 |
|---|
| 109, Hawthorn Road382 m away | 103 m² | 158 m² | +55 m² +53% | 2021 |
|---|
| 3, Beacon Hill777 m away | 137 m² | 192 m² | +55 m² +40% | 2015 |
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| 35, York Road634 m away | 151 m² | 205 m² | +54 m² +36% | 2026 |
|---|
| Brampton Down, West Hill Road244 m away | 249 m² | 298 m² | +49 m² +20% | 2024 |
|---|
| 22, Hillside593 m away | 120 m² | 169 m² | +49 m² +41% | 2022 |
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| 66, Granville Road946 m away | 66 m² | 114 m² | +48 m² +73% | 2020 |
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| 24, Orchard Mains381 m away | 96 m² | 144 m² | +48 m² +50% | 2014 |
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| 2, Sycamore Avenue683 m away | 120 m² | 167 m² | +47 m² +39% | 2025 |
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| 35, Mount Hermon Road142 m away | 241 m² | 288 m² | +47 m² +20% | 2022 |
|---|
| Fernhill, Fernhill Lane442 m away | 308 m² | 355 m² | +47 m² +15% | 2012 |
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| 20, Allen House Park673 m away | 181 m² | 227 m² | +46 m² +25% | 2026 |
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| Ashwood, St Catherines611 m away | 149 m² | 194 m² | +45 m² +30% | 2019 |
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| 142, Goldsworth Road808 m away | 71 m² | 116 m² | +45 m² +63% | 2009 |
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| 68, Hawthorn Road465 m away | 86 m² | 130 m² | +44 m² +51% | 2022 |
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| 16, Bonsey Close915 m away | 117 m² | 161 m² | +44 m² +38% | 2015 |
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| 3, The Rise, Elm Road548 m away | 87 m² | 130 m² | +43 m² +49% | 2025 |
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| 2, St Johns Rise986 m away | 99 m² | 142 m² | +43 m² +43% | 2023 |
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| Little Dean, Cavendish Road313 m away | 153 m² | 195 m² | +42 m² +27% | 2026 |
|---|
| 98, Kingsway577 m away | 77 m² | 119 m² | +42 m² +55% | 2026 |
|---|
| 23, Hillside593 m away | 97 m² | 139 m² | +42 m² +43% | 2024 |
|---|
| 13, Langley Walk377 m away | 91 m² | 132 m² | +41 m² +45% | 2026 |
|---|
| High Reach, Wych Hill303 m away | 153 m² | 194 m² | +41 m² +27% | 2024 |
|---|
| 29, Kingsway716 m away | 110 m² | 150 m² | +40 m² +36% | 2016 |
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| 16, Lampeter Close646 m away | 71 m² | 110 m² | +39 m² +55% | 2026 |
|---|
| Flat 5, 145, York Road138 m away | 46 m² | 84 m² | +38 m² +83% | 2018 |
|---|
| The Hollies, Cinder Path371 m away | 158 m² | 195 m² | +37 m² +23% | 2020 |
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| 2, The Beeches, Wych Hill Lane459 m away | 103 m² | 140 m² | +37 m² +36% | 2020 |
|---|
| 16, Wilders Close794 m away | 69 m² | 106 m² | +37 m² +54% | 2015 |
|---|
| 2, Orchard Mains381 m away | 139 m² | 174 m² | +35 m² +25% | 2022 |
|---|
| 25, Allen House Park673 m away | 117 m² | 152 m² | +35 m² +30% | 2018 |
|---|
| 15, South View Court843 m away | 37 m² | 72 m² | +35 m² +95% | 2014 |
|---|
| Flat 24, Park Heights, Constitution Hill767 m away | 40 m² | 74 m² | +34 m² +85% | 2020 |
|---|
| Hill Cottage, Wych Hill Rise272 m away | 50 m² | 83 m² | +33 m² +66% | 2020 |
|---|
| 22, Old Hill447 m away | 86 m² | 119 m² | +33 m² +38% | 2020 |
|---|
| 22, Evelyn Close218 m away | 126 m² | 159 m² | +33 m² +26% | 2017 |
|---|
| 4, Beacon Hill777 m away | 168 m² | 201 m² | +33 m² +20% | 2015 |
|---|
| 18, Wych Hill Park368 m away | 33 m² | 65 m² | +32 m² +97% | 2019 |
|---|
| 78, Kingsway666 m away | 77 m² | 109 m² | +32 m² +42% | 2016 |
|---|
| 192, Goldsworth Road708 m away | 120 m² | 152 m² | +32 m² +27% | 2012 |
|---|
| Flat 3, Oliver House, 30, Guildford Road915 m away | 41 m² | 72 m² | +31 m² +76% | 2025 |
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| Flat 9, Oliver House, 30, Guildford Road915 m away | 41 m² | 72 m² | +31 m² +76% | 2025 |
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| 59, Kingsway666 m away | 103 m² | 134 m² | +31 m² +30% | 2024 |
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| 5, Evelyn Close218 m away | 111 m² | 142 m² | +31 m² +28% | 2019 |
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| Flat 23, Nankeville Court, Guildford Road955 m away | 65 m² | 95 m² | +30 m² +46% | 2025 |
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| 1, Kingfield House, Elmbridge Lane976 m away | 49 m² | 79 m² | +30 m² +61% | 2025 |
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| 12, Woodlands792 m away | 67 m² | 97 m² | +30 m² +45% | 2024 |
|---|
| 139, York Road339 m away | 192 m² | 222 m² | +30 m² +16% | 2020 |
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| 24, Old Hill447 m away | 100 m² | 130 m² | +30 m² +30% | 2020 |
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| 65, York Road634 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
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| 30, Woodlands792 m away | 113 m² | 142 m² | +29 m² +26% | 2016 |
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| 41, Royal Oak Road509 m away | 80 m² | 108 m² | +28 m² +35% | 2026 |
|---|
| 57, Kingsway666 m away | 99 m² | 127 m² | +28 m² +28% | 2022 |
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| 9, Ash Road573 m away | 87 m² | 115 m² | +28 m² +32% | 2021 |
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| 14, Hawthorn Close536 m away | 67 m² | 95 m² | +28 m² +42% | 2017 |
|---|
| 1, Park Drive961 m away | 88 m² | 116 m² | +28 m² +32% | 2015 |
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| 90, Kingsway666 m away | 94 m² | 122 m² | +28 m² +30% | 2013 |
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| 2, Midhope Gardens289 m away | 77 m² | 104 m² | +27 m² +35% | 2025 |
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| 8, Westfield Avenue886 m away | 103 m² | 130 m² | +27 m² +26% | 2025 |
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| Woodleigh, Wych Hill Lane0 m away | 144 m² | 171 m² | +27 m² +19% | 2024 |
|---|
| 21, Chestnut Grove827 m away | 99 m² | 126 m² | +27 m² +27% | 2023 |
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| Flat 61, Cardinal Place, Guildford Road989 m away | 35 m² | 62 m² | +27 m² +77% | 2022 |
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| 154, Goldsworth Road808 m away | 101 m² | 128 m² | +27 m² +27% | 2019 |
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| 83, Kingsway577 m away | 110 m² | 137 m² | +27 m² +25% | 2013 |
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| 1, Goldsmiths Close771 m away | 82 m² | 108 m² | +26 m² +32% | 2025 |
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| 7, Langley Walk377 m away | 104 m² | 130 m² | +26 m² +25% | 2019 |
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| Shrubbery Cottage, Triggs Lane260 m away | 75 m² | 100 m² | +25 m² +33% | 2023 |
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| Beech Tree House, West Hill Road244 m away | 125 m² | 150 m² | +25 m² +20% | 2021 |
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| Autumn, Wych Hill303 m away | 161 m² | 186 m² | +25 m² +16% | 2020 |
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| Kesteven, Guildford Road369 m away | 146 m² | 171 m² | +25 m² +17% | 2015 |
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| 10, Ashdown Close598 m away | 130 m² | 154 m² | +24 m² +18% | 2020 |
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| Flat 94, Cardinal Place, Guildford Road989 m away | 43 m² | 67 m² | +24 m² +56% | 2012 |
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| 6, Lampeter Close646 m away | 77 m² | 100 m² | +23 m² +30% | 2023 |
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| 61, York Road634 m away | 83 m² | 106 m² | +23 m² +28% | 2022 |
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| 17, Beacon Hill777 m away | 148 m² | 171 m² | +23 m² +16% | 2016 |
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| 20, Cavendish Road313 m away | 70 m² | 93 m² | +23 m² +33% | 2015 |
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| Lowlands, Blackbridge Road298 m away | 120 m² | 142 m² | +22 m² +18% | 2020 |
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| 13, The Rise, Elm Road548 m away | 93 m² | 115 m² | +22 m² +24% | 2018 |
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| 39, Westfield Avenue886 m away | 113 m² | 134 m² | +21 m² +19% | 2025 |
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| 53b, Mabel Street890 m away | 83 m² | 104 m² | +21 m² +25% | 2023 |
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| Brantford, Blackbridge Road298 m away | 89 m² | 110 m² | +21 m² +24% | 2022 |
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| 61, Ash Road463 m away | 49 m² | 69 m² | +20 m² +41% | 2024 |
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| Flat 96, Homebeech House, Mount Hermon Road710 m away | 19 m² | 39 m² | +20 m² +105% | 2023 |
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| 52, Royal Oak Road485 m away | 86 m² | 106 m² | +20 m² +23% | 2021 |
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| Flat 8, Vantage Court, 100, Goldsworth Road886 m away | 106 m² | 126 m² | +20 m² +19% | 2021 |
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| Flat 17, Cardinal Place, Guildford Road989 m away | 66 m² | 86 m² | +20 m² +30% | 2021 |
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| 30, Belgrave Manor422 m away | 31 m² | 51 m² | +20 m² +65% | 2019 |
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| 56, Granville Road946 m away | 68 m² | 88 m² | +20 m² +29% | 2019 |
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| 8, Silversmiths Way767 m away | 86 m² | 106 m² | +20 m² +23% | 2014 |
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| Leeward, Mount Hermon Road598 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| 4, Birch Close520 m away | 70 m² | 89 m² | +19 m² +27% | 2024 |
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| West Hill Lodge, West Hill Road244 m away | 126 m² | 145 m² | +19 m² +15% | 2022 |
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| 4, Tamerton Square526 m away | 118 m² | 137 m² | +19 m² +16% | 2022 |
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| 14, Wilders Close794 m away | 85 m² | 104 m² | +19 m² +22% | 2022 |
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| 10, Everlands Close610 m away | 93 m² | 112 m² | +19 m² +20% | 2020 |
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| 7, Triggs Close347 m away | 83 m² | 102 m² | +19 m² +23% | 2014 |
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| 14, Lampeter Close646 m away | 76 m² | 95 m² | +19 m² +25% | 2011 |
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| 5, Kingfield Drive955 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| Flat 2, Tac China Fish Bar, 207, Goldsworth Road826 m away | 43 m² | 61 m² | +18 m² +42% | 2023 |
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| 11, Apple Trees Place410 m away | 30 m² | 48 m² | +18 m² +60% | 2020 |
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| 42, Hillview Court922 m away | 67 m² | 85 m² | +18 m² +27% | 2020 |
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| 7, Brambledene Close758 m away | 91 m² | 109 m² | +18 m² +20% | 2019 |
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| 12, Azalea Court213 m away | 34 m² | 52 m² | +18 m² +53% | 2018 |
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| 25, Royal Oak Road509 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
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| 12, Thorsden Court707 m away | 99 m² | 116 m² | +17 m² +17% | 2022 |
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| Flat 42, Park Heights, Constitution Hill767 m away | 60 m² | 77 m² | +17 m² +28% | 2022 |
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| 31, Ellingham, Midhope Road290 m away | 31 m² | 48 m² | +17 m² +55% | 2020 |
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| Sunningdale, Wych Hill Lane459 m away | 73 m² | 90 m² | +17 m² +23% | 2013 |
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| 13, Thorsden Court707 m away | 100 m² | 117 m² | +17 m² +17% | 2013 |
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| 77, Hawthorn Road382 m away | 85 m² | 102 m² | +17 m² +20% | 2011 |
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| 28, Woodlands792 m away | 101 m² | 117 m² | +16 m² +16% | 2026 |
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| Fox Oak, Blackbridge Road298 m away | 103 m² | 119 m² | +16 m² +16% | 2025 |
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| 27, Cavendish Road313 m away | 86 m² | 102 m² | +16 m² +19% | 2025 |
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| 5, Langley Walk377 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
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| 6, Goldsmiths Close771 m away | 81 m² | 97 m² | +16 m² +20% | 2024 |
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| Flat 5, Chataway House, Bradfield Close898 m away | 73 m² | 89 m² | +16 m² +22% | 2023 |
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| 9, Lampeter House, Mount Hermon Road561 m away | 71 m² | 86 m² | +15 m² +21% | 2026 |
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| 21, Lime Grove946 m away | 83 m² | 98 m² | +15 m² +18% | 2026 |
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| 67, Wych Hill Park309 m away | 63 m² | 78 m² | +15 m² +24% | 2024 |
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| 18, Ash Road499 m away | 87 m² | 102 m² | +15 m² +17% | 2022 |
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| 15, Glendale Close980 m away | 78 m² | 93 m² | +15 m² +19% | 2022 |
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| Flat 6, Beech House, Sycamore Avenue696 m away | 53 m² | 68 m² | +15 m² +28% | 2018 |
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| 19, Mount Hermon Road459 m away | 70 m² | 85 m² | +15 m² +21% | 2014 |
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