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 GU21 6NS
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 Lane946 m away | 153 m² | 360 m² | +207 m² +135% | 2020 |
| The Old Lodge, Firbank Lane789 m away | 223 m² | 396 m² | +173 m² +78% | 2025 |
| Tresanton, Wych Hill Way810 m away | 133 m² | 305 m² | +172 m² +129% | 2026 |
| 38, Waldens Park Road776 m away | 120 m² | 274 m² | +154 m² +128% | 2025 |
| 51, Waldens Park Road776 m away | 126 m² | 273 m² | +147 m² +117% | 2018 |
| Verona, Hook Heath Road868 m away | 145 m² | 267 m² | +122 m² +84% | 2016 |
| Westbury, Church Hill708 m away | 193 m² | 308 m² | +115 m² +60% | 2023 |
| 15, Pantiles Close965 m away | 110 m² | 225 m² | +115 m² +105% | 2015 |
| 29a, Mount Hermon Road |
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.
| 120 m² |
| 232 m² |
| +112 m² +93% |
| 2016 |
| Kennedy, Blackbridge Road922 m away | 106 m² | 212 m² | +106 m² +100% | 2022 |
|---|
| Delamere, Horsell Park894 m away | 155 m² | 258 m² | +103 m² +66% | 2023 |
|---|
| 56, York Road425 m away | 100 m² | 201 m² | +101 m² +101% | 2015 |
|---|
| 46, Brewery Road640 m away | 159 m² | 259 m² | +100 m² +63% | 2024 |
|---|
| 14, Brewery Road793 m away | 64 m² | 160 m² | +96 m² +150% | 2021 |
|---|
| Whiteoaks, Wych Hill Way810 m away | 108 m² | 202 m² | +94 m² +87% | 2020 |
|---|
| 7, Kingsway316 m away | 96 m² | 186 m² | +90 m² +94% | 2026 |
|---|
| Bedford Cottage, Egley Road883 m away | 92 m² | 182 m² | +90 m² +98% | 2024 |
|---|
| Oak Cottage, Wych Hill Lane666 m away | 260 m² | 349 m² | +89 m² +34% | 2023 |
|---|
| 4, Tower Close681 m away | 112 m² | 199 m² | +87 m² +78% | 2024 |
|---|
| 4, De Lara Way126 m away | 87 m² | 172 m² | +85 m² +98% | 2015 |
|---|
| 40, Brewery Road640 m away | 101 m² | 183 m² | +82 m² +81% | 2016 |
|---|
| Gerena, Cinder Path559 m away | 144 m² | 225 m² | +81 m² +56% | 2024 |
|---|
| The Elms, Guildford Road844 m away | 83 m² | 163 m² | +80 m² +96% | 2011 |
|---|
| 17, Lych Way822 m away | 117 m² | 195 m² | +78 m² +67% | 2025 |
|---|
| Manor Cottage, Manor Road946 m away | 87 m² | 160 m² | +73 m² +84% | 2022 |
|---|
| 12, Brewery Road793 m away | 67 m² | 140 m² | +73 m² +109% | 2013 |
|---|
| Jackmans End, St Johns Hill Road980 m away | 160 m² | 231 m² | +71 m² +44% | 2020 |
|---|
| 20, Arthurs Bridge Road371 m away | 57 m² | 128 m² | +71 m² +125% | 2019 |
|---|
| 7, Horsell Park Close828 m away | 92 m² | 163 m² | +71 m² +77% | 2015 |
|---|
| Penshurst, Blackbridge Road922 m away | 78 m² | 147 m² | +69 m² +88% | 2024 |
|---|
| Hassocks, West Hill Road755 m away | 141 m² | 208 m² | +67 m² +48% | 2018 |
|---|
| 29, Abbey Road519 m away | 81 m² | 148 m² | +67 m² +83% | 2016 |
|---|
| 6, Horsell Moor723 m away | 64 m² | 130 m² | +66 m² +103% | 2024 |
|---|
| 72, Kingsway0 m away | 102 m² | 168 m² | +66 m² +65% | 2020 |
|---|
| 25, Lych Way822 m away | 65 m² | 128 m² | +63 m² +97% | 2020 |
|---|
| 71, Westmead823 m away | 93 m² | 154 m² | +61 m² +66% | 2024 |
|---|
| Holdacre, Wych Hill Lane673 m away | 210 m² | 271 m² | +61 m² +29% | 2017 |
|---|
| 20, Horsell Park Close828 m away | 143 m² | 204 m² | +61 m² +43% | 2015 |
|---|
| Violet Haze, Blackbridge Road770 m away | 128 m² | 188 m² | +60 m² +47% | 2025 |
|---|
| Lindsay Cottage, Guildford Road844 m away | 119 m² | 179 m² | +60 m² +50% | 2021 |
|---|
| Gifford, Guildford Lane857 m away | 143 m² | 203 m² | +60 m² +42% | 2014 |
|---|
| 45, Brewery Road981 m away | 57 m² | 115 m² | +58 m² +102% | 2023 |
|---|
| Lynwood, Ormonde Road935 m away | 109 m² | 167 m² | +58 m² +53% | 2019 |
|---|
| 8, Kingsway316 m away | 95 m² | 152 m² | +57 m² +60% | 2019 |
|---|
| 3, Caradon Close650 m away | 104 m² | 160 m² | +56 m² +54% | 2024 |
|---|
| Anglebury, Kingsway Avenue304 m away | 164 m² | 220 m² | +56 m² +34% | 2016 |
|---|
| 20, Brewery Road640 m away | 70 m² | 126 m² | +56 m² +80% | 2012 |
|---|
| 3, Beacon Hill647 m away | 137 m² | 192 m² | +55 m² +40% | 2015 |
|---|
| 6, Eastmead768 m away | 78 m² | 133 m² | +55 m² +71% | 2014 |
|---|
| 35, York Road535 m away | 151 m² | 205 m² | +54 m² +36% | 2026 |
|---|
| 16, Vale Farm Road680 m away | 125 m² | 178 m² | +53 m² +42% | 2022 |
|---|
| 20, Holyoake Avenue732 m away | 86 m² | 138 m² | +52 m² +60% | 2021 |
|---|
| 6, Guildford Road836 m away | 41 m² | 93 m² | +52 m² +127% | 2009 |
|---|
| Brampton Down, West Hill Road755 m away | 249 m² | 298 m² | +49 m² +20% | 2024 |
|---|
| 12, Harelands Close439 m away | 86 m² | 135 m² | +49 m² +57% | 2021 |
|---|
| Petrarch House, Horsell Park894 m away | 233 m² | 281 m² | +48 m² +21% | 2024 |
|---|
| 24, Orchard Mains763 m away | 96 m² | 144 m² | +48 m² +50% | 2014 |
|---|
| 35, Mount Hermon Road617 m away | 241 m² | 288 m² | +47 m² +20% | 2022 |
|---|
| Fernhill, Fernhill Lane864 m away | 308 m² | 355 m² | +47 m² +15% | 2012 |
|---|
| 18, Vale Farm Road680 m away | 133 m² | 178 m² | +45 m² +34% | 2022 |
|---|
| Ashwood, St Catherines712 m away | 149 m² | 194 m² | +45 m² +30% | 2019 |
|---|
| 45, Horsell Moor544 m away | 40 m² | 85 m² | +45 m² +113% | 2017 |
|---|
| 12, Horsell Park Close828 m away | 130 m² | 175 m² | +45 m² +35% | 2013 |
|---|
| 142, Goldsworth Road148 m away | 71 m² | 116 m² | +45 m² +63% | 2009 |
|---|
| 15, Fenwick Close951 m away | 148 m² | 192 m² | +44 m² +30% | 2020 |
|---|
| 8, Ormonde Road935 m away | 93 m² | 137 m² | +44 m² +47% | 2018 |
|---|
| 3, The Rise, Elm Road118 m away | 87 m² | 130 m² | +43 m² +49% | 2025 |
|---|
| 2, St Johns Rise803 m away | 99 m² | 142 m² | +43 m² +43% | 2023 |
|---|
| 98, Kingsway169 m away | 77 m² | 119 m² | +42 m² +55% | 2026 |
|---|
| Little Dean, Cavendish Road367 m away | 153 m² | 195 m² | +42 m² +27% | 2026 |
|---|
| 35, Holyoake Crescent635 m away | 67 m² | 109 m² | +42 m² +63% | 2021 |
|---|
| 13, Langley Walk571 m away | 91 m² | 132 m² | +41 m² +45% | 2026 |
|---|
| High Reach, Wych Hill622 m away | 153 m² | 194 m² | +41 m² +27% | 2024 |
|---|
| 15, Lych Way822 m away | 129 m² | 170 m² | +41 m² +32% | 2016 |
|---|
| 27, Lych Way822 m away | 126 m² | 167 m² | +41 m² +33% | 2015 |
|---|
| 29, Kingsway146 m away | 110 m² | 150 m² | +40 m² +36% | 2016 |
|---|
| 16, Lampeter Close582 m away | 71 m² | 110 m² | +39 m² +55% | 2026 |
|---|
| 18, Arthurs Bridge Road371 m away | 70 m² | 108 m² | +38 m² +54% | 2022 |
|---|
| Flat 5, 145, York Road529 m away | 46 m² | 84 m² | +38 m² +83% | 2018 |
|---|
| Flat 114, Centrium, Station Approach944 m away | 66 m² | 104 m² | +38 m² +58% | 2008 |
|---|
| The Hollies, Cinder Path559 m away | 158 m² | 195 m² | +37 m² +23% | 2020 |
|---|
| 2, The Beeches, Wych Hill Lane946 m away | 103 m² | 140 m² | +37 m² +36% | 2020 |
|---|
| 16, Wilders Close394 m away | 69 m² | 106 m² | +37 m² +54% | 2015 |
|---|
| 8, Helmsdale780 m away | 37 m² | 74 m² | +37 m² +100% | 2013 |
|---|
| 36, Horsell Park Close828 m away | 44 m² | 81 m² | +37 m² +84% | 2009 |
|---|
| 2, Orchard Mains763 m away | 139 m² | 174 m² | +35 m² +25% | 2022 |
|---|
| 2, Bury Close916 m away | 93 m² | 128 m² | +35 m² +38% | 2021 |
|---|
| 35, Arthurs Bridge Road371 m away | 61 m² | 96 m² | +35 m² +57% | 2014 |
|---|
| 31, Falstone879 m away | 61 m² | 96 m² | +35 m² +57% | 2014 |
|---|
| 15, South View Court889 m away | 37 m² | 72 m² | +35 m² +95% | 2014 |
|---|
| Flat 24, Park Heights, Constitution Hill829 m away | 40 m² | 74 m² | +34 m² +85% | 2020 |
|---|
| 33, Ormonde Road935 m away | 101 m² | 135 m² | +34 m² +34% | 2019 |
|---|
| Hill Cottage, Wych Hill Rise711 m away | 50 m² | 83 m² | +33 m² +66% | 2020 |
|---|
| 22, Evelyn Close883 m away | 126 m² | 159 m² | +33 m² +26% | 2017 |
|---|
| 4, Beacon Hill647 m away | 168 m² | 201 m² | +33 m² +20% | 2015 |
|---|
| Flat 10, Centrium, Station Approach943 m away | 102 m² | 134 m² | +32 m² +31% | 2020 |
|---|
| 18, Wych Hill Park320 m away | 33 m² | 65 m² | +32 m² +97% | 2019 |
|---|
| 78, Kingsway0 m away | 77 m² | 109 m² | +32 m² +42% | 2016 |
|---|
| 192, Goldsworth Road106 m away | 120 m² | 152 m² | +32 m² +27% | 2012 |
|---|
| Flat 3, Oliver House, 30, Guildford Road782 m away | 41 m² | 72 m² | +31 m² +76% | 2025 |
|---|
| Flat 9, Oliver House, 30, Guildford Road782 m away | 41 m² | 72 m² | +31 m² +76% | 2025 |
|---|
| 59, Kingsway0 m away | 103 m² | 134 m² | +31 m² +30% | 2024 |
|---|
| 5, Evelyn Close883 m away | 111 m² | 142 m² | +31 m² +28% | 2019 |
|---|
| 31, Merrivale Gardens649 m away | 106 m² | 137 m² | +31 m² +29% | 2017 |
|---|
| Flat 23, Nankeville Court, Guildford Road760 m away | 65 m² | 95 m² | +30 m² +46% | 2025 |
|---|
| 12, Woodlands940 m away | 67 m² | 97 m² | +30 m² +45% | 2024 |
|---|
| 16, Wyndham Road909 m away | 96 m² | 126 m² | +30 m² +31% | 2021 |
|---|
| 139, York Road405 m away | 192 m² | 222 m² | +30 m² +16% | 2020 |
|---|
| 23, Inglewood711 m away | 84 m² | 114 m² | +30 m² +36% | 2019 |
|---|
| 29, Oaks Road589 m away | 81 m² | 110 m² | +29 m² +36% | 2024 |
|---|
| 50, Well Lane594 m away | 89 m² | 118 m² | +29 m² +33% | 2022 |
|---|
| 65, York Road535 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
|---|
| 30, Woodlands940 m away | 113 m² | 142 m² | +29 m² +26% | 2016 |
|---|
| 41, Royal Oak Road219 m away | 80 m² | 108 m² | +28 m² +35% | 2026 |
|---|
| 7, Well Lane500 m away | 94 m² | 122 m² | +28 m² +30% | 2026 |
|---|
| 48, Horsell Moor544 m away | 112 m² | 140 m² | +28 m² +25% | 2023 |
|---|
| 57, Kingsway0 m away | 99 m² | 127 m² | +28 m² +28% | 2022 |
|---|
| 90, Kingsway0 m away | 94 m² | 122 m² | +28 m² +30% | 2013 |
|---|
| 2, Midhope Gardens653 m away | 77 m² | 104 m² | +27 m² +35% | 2025 |
|---|
| Woodleigh, Wych Hill Lane666 m away | 144 m² | 171 m² | +27 m² +19% | 2024 |
|---|
| Flat 61, Cardinal Place, Guildford Road834 m away | 35 m² | 62 m² | +27 m² +77% | 2022 |
|---|
| 154, Goldsworth Road148 m away | 101 m² | 128 m² | +27 m² +27% | 2019 |
|---|
| 83, Kingsway169 m away | 110 m² | 137 m² | +27 m² +25% | 2013 |
|---|
| 1, Goldsmiths Close205 m away | 82 m² | 108 m² | +26 m² +32% | 2025 |
|---|
| 3, Gordon Villas529 m away | 78 m² | 104 m² | +26 m² +33% | 2022 |
|---|
| 6, Inglewood711 m away | 128 m² | 154 m² | +26 m² +20% | 2021 |
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| 7, Langley Walk571 m away | 104 m² | 130 m² | +26 m² +25% | 2019 |
|---|
| Cerne, Bury Lane904 m away | 96 m² | 122 m² | +26 m² +27% | 2019 |
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| 40, Horsell Park Close828 m away | 114 m² | 140 m² | +26 m² +23% | 2017 |
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| 7, Venton Close988 m away | 23 m² | 48 m² | +25 m² +109% | 2024 |
|---|
| Shrubbery Cottage, Triggs Lane482 m away | 75 m² | 100 m² | +25 m² +33% | 2023 |
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| 15, Wyndham Road909 m away | 88 m² | 113 m² | +25 m² +28% | 2023 |
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| Beech Tree House, West Hill Road755 m away | 125 m² | 150 m² | +25 m² +20% | 2021 |
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| 96, Frenchs Wells998 m away | 47 m² | 72 m² | +25 m² +53% | 2021 |
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| Autumn, Wych Hill622 m away | 161 m² | 186 m² | +25 m² +16% | 2020 |
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| Flat 105, Centrium, Station Approach944 m away | 85 m² | 110 m² | +25 m² +29% | 2019 |
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| Kesteven, Guildford Road846 m away | 146 m² | 171 m² | +25 m² +17% | 2015 |
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| 71, Vale Farm Road629 m away | 74 m² | 99 m² | +25 m² +34% | 2012 |
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| 26, High Street973 m away | 42 m² | 66 m² | +24 m² +57% | 2024 |
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| 57, Horsell Moor455 m away | 94 m² | 118 m² | +24 m² +26% | 2022 |
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| 64, Eastmead768 m away | 89 m² | 113 m² | +24 m² +27% | 2022 |
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| 10, Ashdown Close720 m away | 130 m² | 154 m² | +24 m² +18% | 2020 |
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| Flat 94, Cardinal Place, Guildford Road834 m away | 43 m² | 67 m² | +24 m² +56% | 2012 |
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| Flat 181, Centrium, Station Approach944 m away | 83 m² | 106 m² | +23 m² +28% | 2024 |
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| 6, Lampeter Close582 m away | 77 m² | 100 m² | +23 m² +30% | 2023 |
|---|
| 61, York Road535 m away | 83 m² | 106 m² | +23 m² +28% | 2022 |
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| 3, Alloway Close696 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
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| 8, Pine Close883 m away | 66 m² | 89 m² | +23 m² +35% | 2021 |
|---|
| 9, Langdale Close863 m away | 90 m² | 113 m² | +23 m² +26% | 2017 |
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| 17, Beacon Hill647 m away | 148 m² | 171 m² | +23 m² +16% | 2016 |
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| 20, Cavendish Road367 m away | 70 m² | 93 m² | +23 m² +33% | 2015 |
|---|
| 8, Lych Way822 m away | 106 m² | 128 m² | +22 m² +21% | 2023 |
|---|
| Lowlands, Blackbridge Road922 m away | 120 m² | 142 m² | +22 m² +18% | 2020 |
|---|
| 13, The Rise, Elm Road118 m away | 93 m² | 115 m² | +22 m² +24% | 2018 |
|---|
| 53b, Mabel Street223 m away | 83 m² | 104 m² | +21 m² +25% | 2023 |
|---|
| Brantford, Blackbridge Road922 m away | 89 m² | 110 m² | +21 m² +24% | 2022 |
|---|
| 47, Abbey Road515 m away | 78 m² | 99 m² | +21 m² +27% | 2020 |
|---|
| 119a, Vale Farm Road534 m away | 45 m² | 66 m² | +21 m² +47% | 2013 |
|---|
| 8, Eastmead768 m away | 138 m² | 159 m² | +21 m² +15% | 2011 |
|---|
| Flat 96, Homebeech House, Mount Hermon Road752 m away | 19 m² | 39 m² | +20 m² +105% | 2023 |
|---|
| 52, Royal Oak Road229 m away | 86 m² | 106 m² | +20 m² +23% | 2021 |
|---|
| Flat 8, Vantage Court, 100, Goldsworth Road322 m away | 106 m² | 126 m² | +20 m² +19% | 2021 |
|---|
| Flat 17, Cardinal Place, Guildford Road834 m away | 66 m² | 86 m² | +20 m² +30% | 2021 |
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| 119, Vale Farm Road534 m away | 37 m² | 57 m² | +20 m² +54% | 2020 |
|---|
| 30, Belgrave Manor666 m away | 31 m² | 51 m² | +20 m² +65% | 2019 |
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| Flat 125, Centrium, Station Approach944 m away | 51 m² | 71 m² | +20 m² +39% | 2019 |
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| 57, Sythwood917 m away | 85 m² | 105 m² | +20 m² +24% | 2016 |
|---|
| 8, Silversmiths Way255 m away | 86 m² | 106 m² | +20 m² +23% | 2014 |
|---|
| Leeward, Mount Hermon Road565 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
|---|
| 4, Birch Close413 m away | 70 m² | 89 m² | +19 m² +27% | 2024 |
|---|
| 14, Wilders Close394 m away | 85 m² | 104 m² | +19 m² +22% | 2022 |
|---|
| 4, Tamerton Square658 m away | 118 m² | 137 m² | +19 m² +16% | 2022 |
|---|
| West Hill Lodge, West Hill Road755 m away | 126 m² | 145 m² | +19 m² +15% | 2022 |
|---|
| 54a, Horsell Moor544 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
|---|
| 10, Everlands Close670 m away | 93 m² | 112 m² | +19 m² +20% | 2020 |
|---|
| Ridings, Church Hill708 m away | 73 m² | 92 m² | +19 m² +26% | 2017 |
|---|
| 7, Triggs Close365 m away | 83 m² | 102 m² | +19 m² +23% | 2014 |
|---|
| 14, Lampeter Close582 m away | 76 m² | 95 m² | +19 m² +25% | 2011 |
|---|
| Flat 2, Tac China Fish Bar, 207, Goldsworth Road161 m away | 43 m² | 61 m² | +18 m² +42% | 2023 |
|---|
| 11, Apple Trees Place609 m away | 30 m² | 48 m² | +18 m² +60% | 2020 |
|---|
| 42, Hillview Court879 m away | 67 m² | 85 m² | +18 m² +27% | 2020 |
|---|
| 7, Brambledene Close171 m away | 91 m² | 109 m² | +18 m² +20% | 2019 |
|---|
| 12, Azalea Court454 m away | 34 m² | 52 m² | +18 m² +53% | 2018 |
|---|
| 25, Royal Oak Road219 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
|---|
| 28, Well Lane500 m away | 101 m² | 118 m² | +17 m² +17% | 2023 |
|---|
| 17, Abbey Road519 m away | 89 m² | 106 m² | +17 m² +19% | 2023 |
|---|
| 12, Thorsden Court813 m away | 99 m² | 116 m² | +17 m² +17% | 2022 |
|---|
| Flat 42, Park Heights, Constitution Hill829 m away | 60 m² | 77 m² | +17 m² +28% | 2022 |
|---|
| 5, Marston Road891 m away | 50 m² | 67 m² | +17 m² +34% | 2022 |
|---|
| 19, Vale Farm Road680 m away | 104 m² | 121 m² | +17 m² +16% | 2021 |
|---|
| 68, Hallington Close727 m away | 31 m² | 48 m² | +17 m² +55% | 2021 |
|---|
| 31, Ellingham, Midhope Road726 m away | 31 m² | 48 m² | +17 m² +55% | 2020 |
|---|
| Flat 96, Centrium, Station Approach944 m away | 55 m² | 72 m² | +17 m² +31% | 2019 |
|---|
| 13, Thorsden Court813 m away | 100 m² | 117 m² | +17 m² +17% | 2013 |
|---|
| Sunningdale, Wych Hill Lane946 m away | 73 m² | 90 m² | +17 m² +23% | 2013 |
|---|
| 28, Woodlands940 m away | 101 m² | 117 m² | +16 m² +16% | 2026 |
|---|
| 27, Cavendish Road367 m away | 86 m² | 102 m² | +16 m² +19% | 2025 |
|---|
| 5, Langley Walk571 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
|---|
| 4, Selby Walk790 m away | 86 m² | 102 m² | +16 m² +19% | 2025 |
|---|
| Fox Oak, Blackbridge Road922 m away | 103 m² | 119 m² | +16 m² +16% | 2025 |
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