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 BN21 2BU
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 |
|---|---|---|---|---|
| 12b, Prideaux Road607 m away | 133 m² | 273 m² | +140 m² +105% | 2026 |
| 12a, Grove Road965 m away | 130 m² | 230 m² | +100 m² +77% | 2025 |
| 3, De Roos Road906 m away | 89 m² | 183 m² | +94 m² +106% | 2013 |
| 58, Kings Drive610 m away | 138 m² | 223 m² | +85 m² +62% | 2018 |
| 118, Whitley Road650 m away | 112 m² | 189 m² | +77 m² +69% | 2026 |
| 3, Le Brun Road398 m away | 106 m² | 182 m² | +76 m² +72% | 2022 |
| 44, Kings Drive610 m away | 134 m² | 209 m² | +75 m² +56% | 2024 |
| 97, Ashford Road807 m away | 66 m² | 141 m² | +75 m² +114% | 2023 |
| Fortuna House, 47a, Prideaux Road607 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.
| 207 m² |
| 280 m² |
| +73 m² +35% |
| 2020 |
| 8, Annington Road905 m away | 96 m² | 169 m² | +73 m² +76% | 2019 |
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| 25, Mayfield Place362 m away | 74 m² | 144 m² | +70 m² +95% | 2020 |
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| 38, Winchcombe Road669 m away | 74 m² | 144 m² | +70 m² +95% | 2013 |
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| 5, Lewes Road220 m away | 206 m² | 272 m² | +66 m² +32% | 2019 |
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| Tudor Lodge, 2a, Kings Drive404 m away | 105 m² | 168 m² | +63 m² +60% | 2023 |
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| 2, Kings Drive404 m away | 109 m² | 171 m² | +62 m² +57% | 2024 |
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| 8, Ocklynge Avenue969 m away | 154 m² | 214 m² | +60 m² +39% | 2024 |
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| 26, Bridgemere Road728 m away | 94 m² | 154 m² | +60 m² +64% | 2023 |
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| 9, Dittons Road991 m away | 166 m² | 226 m² | +60 m² +36% | 2023 |
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| 5, Selwyn Drive893 m away | 103 m² | 161 m² | +58 m² +56% | 2024 |
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| 54, Bridgemere Road905 m away | 103 m² | 161 m² | +58 m² +56% | 2016 |
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| 39, Bedford Grove299 m away | 78 m² | 132 m² | +54 m² +69% | 2017 |
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| 32a, Prideaux Road607 m away | 153 m² | 205 m² | +52 m² +34% | 2015 |
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| 12, Enys Road542 m away | 60 m² | 111 m² | +51 m² +85% | 2013 |
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| Flat 3, 37, Arlington Road947 m away | 83 m² | 134 m² | +51 m² +61% | 2009 |
|---|
| 91, Firle Road660 m away | 59 m² | 109 m² | +50 m² +85% | 2021 |
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| 158, Ashford Road838 m away | 53 m² | 99 m² | +46 m² +87% | 2020 |
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| 13, Le Brun Road287 m away | 195 m² | 240 m² | +45 m² +23% | 2025 |
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| 78, Firle Road872 m away | 49 m² | 94 m² | +45 m² +92% | 2023 |
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| 118, Ringwood Road724 m away | 97 m² | 142 m² | +45 m² +46% | 2019 |
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| 13, Bedford Grove360 m away | 221 m² | 266 m² | +45 m² +20% | 2018 |
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| 11, Bedford Grove360 m away | 221 m² | 266 m² | +45 m² +20% | 2018 |
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| 110, Whitley Road791 m away | 190 m² | 233 m² | +43 m² +23% | 2015 |
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| 7, Cavendish Avenue760 m away | 120 m² | 162 m² | +42 m² +35% | 2023 |
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| Wistaria House, 19, Ratton Road837 m away | 152 m² | 194 m² | +42 m² +28% | 2023 |
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| 100, Moy Avenue922 m away | 98 m² | 140 m² | +42 m² +43% | 2015 |
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| 7, Bedfordwell Road395 m away | 115 m² | 156 m² | +41 m² +36% | 2025 |
|---|
| 27, Prideaux Road375 m away | 150 m² | 191 m² | +41 m² +27% | 2020 |
|---|
| Flat 16, Merewood Court, 60, Carew Road604 m away | 58 m² | 98 m² | +40 m² +69% | 2025 |
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| Four Gables, St Annes Road567 m away | 187 m² | 227 m² | +40 m² +21% | 2024 |
|---|
| 22, Prideaux Road607 m away | 180 m² | 219 m² | +39 m² +22% | 2013 |
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| Flat 4, 24, Upperton Gardens653 m away | 74 m² | 112 m² | +38 m² +51% | 2025 |
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| 19, Western Road845 m away | 83 m² | 121 m² | +38 m² +46% | 2022 |
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| Apartment 70, 20, Upperton Road756 m away | 31 m² | 69 m² | +38 m² +123% | 2020 |
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| 28, St Leonards Road658 m away | 40 m² | 78 m² | +38 m² +95% | 2015 |
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| 46, Longstone Road898 m away | 64 m² | 101 m² | +37 m² +58% | 2023 |
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| Flat 3, 4, Upperton Gardens653 m away | 74 m² | 111 m² | +37 m² +50% | 2016 |
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| 2, Chawbrook Mews, Chawbrook Road709 m away | 47 m² | 84 m² | +37 m² +79% | 2014 |
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| 87, Bourne Street777 m away | 90 m² | 126 m² | +36 m² +40% | 2022 |
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| 89, Enys Road302 m away | 95 m² | 130 m² | +35 m² +37% | 2024 |
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| 1, Bernard Lane636 m away | 70 m² | 105 m² | +35 m² +50% | 2021 |
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| Flat 14, Hamilton House, 34, Upperton Road741 m away | 39 m² | 74 m² | +35 m² +90% | 2021 |
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| Apartment 71, 20, Upperton Road756 m away | 32 m² | 67 m² | +35 m² +109% | 2020 |
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| Flat 1, 11, Southfields Road910 m away | 95 m² | 130 m² | +35 m² +37% | 2018 |
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| 14a, Prideaux Road607 m away | 61 m² | 95 m² | +34 m² +56% | 2024 |
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| 87, Firle Road798 m away | 120 m² | 153 m² | +33 m² +28% | 2026 |
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| Flat 27, Carew Views, 30, Carew Road306 m away | 29 m² | 62 m² | +33 m² +114% | 2025 |
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| 33, Dudley Road779 m away | 97 m² | 130 m² | +33 m² +34% | 2020 |
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| 3, Oxford Road991 m away | 67 m² | 100 m² | +33 m² +49% | 2015 |
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| Flat 1, 29, Arlington Road947 m away | 95 m² | 128 m² | +33 m² +35% | 2014 |
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| 43, Burton Road989 m away | 123 m² | 155 m² | +32 m² +26% | 2016 |
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| 34, Avondale Road920 m away | 76 m² | 108 m² | +32 m² +42% | 2013 |
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| 25, Willard Close803 m away | 62 m² | 93 m² | +31 m² +50% | 2024 |
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| 9, Winchcombe Road669 m away | 93 m² | 124 m² | +31 m² +33% | 2023 |
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| 23, Cavendish Avenue760 m away | 99 m² | 130 m² | +31 m² +31% | 2022 |
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| 67, St Philips Avenue891 m away | 114 m² | 144 m² | +30 m² +26% | 2026 |
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| 2, Bilbury Mews175 m away | 38 m² | 68 m² | +30 m² +79% | 2020 |
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| 14, Astaire Avenue750 m away | 119 m² | 149 m² | +30 m² +25% | 2014 |
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| 8, Montgomery Mews, Commercial Road722 m away | 61 m² | 90 m² | +29 m² +48% | 2025 |
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| 42, Avondale Road920 m away | 73 m² | 102 m² | +29 m² +40% | 2012 |
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| Flat 1, 4, Bedford Grove360 m away | 53 m² | 81 m² | +28 m² +53% | 2021 |
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| Flat 19, St. Helenas Court, 7, Mill Road764 m away | 33 m² | 61 m² | +28 m² +85% | 2021 |
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| 15, Whitley Road943 m away | 98 m² | 126 m² | +28 m² +29% | 2021 |
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| 3, Saxon Ground678 m away | 79 m² | 107 m² | +28 m² +35% | 2016 |
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| Flat 6, 60, The Goffs928 m away | 65 m² | 93 m² | +28 m² +43% | 2011 |
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| 44, Susans Road940 m away | 99 m² | 126 m² | +27 m² +27% | 2024 |
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| 68, Susans Road860 m away | 68 m² | 95 m² | +27 m² +40% | 2023 |
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| 24, Clarence Road922 m away | 97 m² | 124 m² | +27 m² +28% | 2022 |
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| Flat 3, 46, Upperton Gardens605 m away | 19 m² | 46 m² | +27 m² +142% | 2021 |
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| Flat 2, Hadley House, Upperton Road802 m away | 84 m² | 111 m² | +27 m² +32% | 2013 |
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| Flat 2, 58, Tideswell Road968 m away | 51 m² | 77 m² | +26 m² +51% | 2025 |
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| Flat 5, Pegasus Court, 29, St Leonards Road570 m away | 43 m² | 69 m² | +26 m² +60% | 2023 |
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| Flat 3, 43, Enys Road542 m away | 67 m² | 93 m² | +26 m² +39% | 2021 |
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| 7, Moy Avenue633 m away | 113 m² | 139 m² | +26 m² +23% | 2016 |
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| 123, Tideswell Road983 m away | 131 m² | 157 m² | +26 m² +20% | 2014 |
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| Flat 6, Hadley House, Upperton Road802 m away | 85 m² | 111 m² | +26 m² +31% | 2013 |
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| Flat 3, 23, The Goffs954 m away | 109 m² | 135 m² | +26 m² +24% | 2013 |
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| 2, Leaf Glen595 m away | 123 m² | 148 m² | +25 m² +20% | 2016 |
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| 72, Whitley Road875 m away | 125 m² | 150 m² | +25 m² +20% | 2015 |
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| 20, Dursley Road701 m away | 63 m² | 88 m² | +25 m² +40% | 2014 |
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| 20, Eversfield Road464 m away | 39 m² | 64 m² | +25 m² +64% | 2010 |
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| Flat 3, Sunridge, 14, Dittons Road991 m away | 157 m² | 181 m² | +24 m² +15% | 2026 |
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| 30, Kings Drive404 m away | 138 m² | 162 m² | +24 m² +17% | 2024 |
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| 48, Winchcombe Road669 m away | 72 m² | 96 m² | +24 m² +33% | 2019 |
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| 68, Cavendish Avenue748 m away | 141 m² | 165 m² | +24 m² +17% | 2015 |
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| Flat 14, Eversfield House, The Avenue499 m away | 61 m² | 85 m² | +24 m² +39% | 2013 |
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| 98a, Ashford Road853 m away | 63 m² | 87 m² | +24 m² +38% | 2011 |
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| 5, Ashburnham Road478 m away | 140 m² | 163 m² | +23 m² +16% | 2024 |
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| Flat 31, Eversley Court, 14, St Annes Road457 m away | 52 m² | 75 m² | +23 m² +44% | 2022 |
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| Flat 5, Thornwood, The Avenue636 m away | 51 m² | 74 m² | +23 m² +45% | 2021 |
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| 5, St Georges Road960 m away | 83 m² | 106 m² | +23 m² +28% | 2021 |
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| 5, Eton Mews629 m away | 69 m² | 92 m² | +23 m² +33% | 2020 |
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| Apartment 72, 20, Upperton Road756 m away | 43 m² | 66 m² | +23 m² +53% | 2020 |
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| Flat 2, 37, Upperton Gardens682 m away | 50 m² | 73 m² | +23 m² +46% | 2018 |
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| 121, Ringwood Road724 m away | 90 m² | 113 m² | +23 m² +26% | 2017 |
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| 24, Avondale Road920 m away | 73 m² | 96 m² | +23 m² +32% | 2013 |
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| 105, Whitley Road624 m away | 132 m² | 154 m² | +22 m² +17% | 2026 |
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| Flat 9, Lullington House, 52, Upperton Road930 m away | 78 m² | 100 m² | +22 m² +28% | 2023 |
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| Flat 6, 23, St Annes Road547 m away | 40 m² | 62 m² | +22 m² +55% | 2020 |
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| 2, The Chantry, Upperton Road782 m away | 54 m² | 76 m² | +22 m² +41% | 2019 |
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| 17, Moy Avenue633 m away | 94 m² | 116 m² | +22 m² +23% | 2016 |
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| 4a, Wellesley Road928 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
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| Flat 8, Chartwell House, 1a, Wharf Road844 m away | 47 m² | 68 m² | +21 m² +45% | 2024 |
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| 16, Cavendish Avenue801 m away | 124 m² | 145 m² | +21 m² +17% | 2023 |
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| 32, Le Brun Road398 m away | 117 m² | 138 m² | +21 m² +18% | 2020 |
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| 11, Kings Close500 m away | 70 m² | 91 m² | +21 m² +30% | 2015 |
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| Flat 10, Eversfield House, The Avenue499 m away | 64 m² | 85 m² | +21 m² +33% | 2013 |
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| Apartment 59, 20, Upperton Road756 m away | 31 m² | 51 m² | +20 m² +65% | 2020 |
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| Apartment 46, 20, Upperton Road756 m away | 31 m² | 51 m² | +20 m² +65% | 2020 |
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| Apartment 33, 20, Upperton Road756 m away | 31 m² | 51 m² | +20 m² +65% | 2020 |
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| Apartment 6, 20, Upperton Road756 m away | 31 m² | 51 m² | +20 m² +65% | 2020 |
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| Apartment 20, 20, Upperton Road756 m away | 31 m² | 51 m² | +20 m² +65% | 2020 |
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| 3, Western Road803 m away | 82 m² | 102 m² | +20 m² +24% | 2020 |
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| 24, Belmore Road982 m away | 33 m² | 53 m² | +20 m² +61% | 2018 |
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| 105, Ringwood Road724 m away | 101 m² | 121 m² | +20 m² +20% | 2015 |
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| 12, Kings Close500 m away | 74 m² | 94 m² | +20 m² +27% | 2014 |
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| Flat 12, Alcazar Court, 25, Arundel Road141 m away | 53 m² | 73 m² | +20 m² +38% | 2013 |
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| Flat 9, Montclare House, 28, Upperton Road716 m away | 57 m² | 77 m² | +20 m² +35% | 2012 |
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| 10, Moat Croft Road897 m away | 30 m² | 50 m² | +20 m² +67% | 2010 |
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| 18, Upperton Gardens653 m away | 26 m² | 46 m² | +20 m² +77% | 2009 |
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| 38, Clarence Road922 m away | 98 m² | 117 m² | +19 m² +19% | 2026 |
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| 4, Laleham Close820 m away | 101 m² | 120 m² | +19 m² +19% | 2025 |
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| Flat 2, Stafford House, Southfields Road905 m away | 82 m² | 101 m² | +19 m² +23% | 2023 |
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| 22, Burton Road989 m away | 81 m² | 100 m² | +19 m² +23% | 2021 |
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| Flat 11, Southdown Heights, 38, St Leonards Road658 m away | 35 m² | 54 m² | +19 m² +54% | 2019 |
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| 17, Manifold Road809 m away | 87 m² | 106 m² | +19 m² +22% | 2019 |
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| 13, The Avenue715 m away | 61 m² | 80 m² | +19 m² +31% | 2012 |
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| 27, Longstone Road898 m away | 93 m² | 112 m² | +19 m² +20% | 2012 |
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| Flat 2, 11, Upper Avenue486 m away | 35 m² | 54 m² | +19 m² +54% | 2010 |
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| Flat 6, Lewes Court, 29, Lewes Road0 m away | 66 m² | 84 m² | +18 m² +27% | 2024 |
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| 7, Prospect Gardens985 m away | 73 m² | 91 m² | +18 m² +25% | 2023 |
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| Flat 1, 11, Upper Avenue486 m away | 91 m² | 109 m² | +18 m² +20% | 2021 |
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| 52, Longstone Road881 m away | 109 m² | 127 m² | +18 m² +17% | 2019 |
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| Flat 16, Carew Court, 1, Carew Road456 m away | 83 m² | 101 m² | +18 m² +22% | 2018 |
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| 25, Beltring Road983 m away | 83 m² | 101 m² | +18 m² +22% | 2018 |
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| 71, Enys Road302 m away | 60 m² | 78 m² | +18 m² +30% | 2016 |
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| 55, St Philips Avenue891 m away | 111 m² | 129 m² | +18 m² +16% | 2014 |
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| Flat 4, 28, Enys Road302 m away | 32 m² | 49 m² | +17 m² +53% | 2024 |
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| Flat 26, Merewood Court, 60, Carew Road604 m away | 56 m² | 73 m² | +17 m² +30% | 2022 |
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| 9, Stanley Road909 m away | 86 m² | 103 m² | +17 m² +20% | 2022 |
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| 48, Avondale Road920 m away | 75 m² | 92 m² | +17 m² +23% | 2019 |
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| Flat 2, 5a, Ivy Terrace971 m away | 60 m² | 77 m² | +17 m² +28% | 2019 |
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| Flat 3, 13, Bedfordwell Road395 m away | 36 m² | 53 m² | +17 m² +47% | 2018 |
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| Flat 1, Mayfield Court, 4, Lewes Road172 m away | 50 m² | 67 m² | +17 m² +34% | 2014 |
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| 6, Richmond Place654 m away | 107 m² | 124 m² | +17 m² +16% | 2012 |
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| Flat 8, Kingston House, 8, St Annes Road547 m away | 90 m² | 106 m² | +16 m² +18% | 2023 |
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| 41, Moy Avenue633 m away | 97 m² | 113 m² | +16 m² +16% | 2022 |
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| 1, St Georges Road960 m away | 66 m² | 82 m² | +16 m² +24% | 2022 |
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| Flat 4, 26, Bedfordwell Road312 m away | 79 m² | 95 m² | +16 m² +20% | 2020 |
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| 26, The Goffs844 m away | 62 m² | 78 m² | +16 m² +26% | 2014 |
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| 89, Ashford Road853 m away | 96 m² | 112 m² | +16 m² +17% | 2013 |
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| Apartment 31, 20, Upperton Road756 m away | 31 m² | 46 m² | +15 m² +48% | 2020 |
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| Apartment 44, 20, Upperton Road756 m away | 31 m² | 46 m² | +15 m² +48% | 2020 |
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| Apartment 18, 20, Upperton Road756 m away | 31 m² | 46 m² | +15 m² +48% | 2020 |
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| Apartment 57, 20, Upperton Road756 m away | 31 m² | 46 m² | +15 m² +48% | 2020 |
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| Flat 10, Bramber House, Michel Grove840 m away | 90 m² | 105 m² | +15 m² +17% | 2014 |
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| Flat 6, Pegasus Court, 29, St Leonards Road570 m away | 47 m² | 62 m² | +15 m² +32% | 2011 |
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| Flat 1, 15, The Avenue715 m away | 63 m² | 78 m² | +15 m² +24% | 2011 |
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