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 EN1 3AJ
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 |
|---|---|---|---|---|
| 43, Churchbury Lane483 m away | 86 m² | 178 m² | +92 m² +107% | 2025 |
| 3, Carnarvon Avenue560 m away | 72 m² | 160 m² | +88 m² +122% | 2024 |
| 10, Queens Road382 m away | 99 m² | 187 m² | +88 m² +89% | 2023 |
| 33, Herrongate Close447 m away | 117 m² | 199 m² | +82 m² +70% | 2015 |
| 83, Percival Road764 m away | 78 m² | 157 m² | +79 m² +101% | 2025 |
| 11, Churchbury Lane483 m away | 85 m² | 163 m² | +78 m² +92% | 2021 |
| 101, Apple Grove113 m away | 92 m² | 169 m² | +77 m² +84% | 2025 |
| 5, Churchbury Lane485 m away | 129 m² | 206 m² | +77 m² +60% | 2022 |
| 110, Burleigh Road520 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.
| 104 m² |
| 178 m² |
| +74 m² +71% |
| 2026 |
| 30, Vicars Close338 m away | 95 m² | 168 m² | +73 m² +77% | 2025 |
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| 108, Southbury Road269 m away | 95 m² | 163 m² | +68 m² +72% | 2022 |
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| 109, Southbury Avenue880 m away | 106 m² | 174 m² | +68 m² +64% | 2014 |
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| 58, Peartree Road189 m away | 78 m² | 144 m² | +66 m² +85% | 2023 |
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| 37, Churchbury Road817 m away | 79 m² | 140 m² | +61 m² +77% | 2021 |
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| 56, Ladysmith Road146 m away | 90 m² | 150 m² | +60 m² +67% | 2025 |
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| 23, Vicars Close338 m away | 92 m² | 149 m² | +57 m² +62% | 2024 |
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| 35, Halstead Road533 m away | 73 m² | 130 m² | +57 m² +78% | 2021 |
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| 35, St Andrews Road628 m away | 105 m² | 160 m² | +55 m² +52% | 2019 |
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| 15, Clive Road876 m away | 60 m² | 114 m² | +54 m² +90% | 2024 |
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| 307, Willow Road426 m away | 108 m² | 160 m² | +52 m² +48% | 2018 |
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| 114, Burleigh Road520 m away | 94 m² | 144 m² | +50 m² +53% | 2024 |
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| 159, Tenniswood Road697 m away | 77 m² | 126 m² | +49 m² +64% | 2021 |
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| 60, Apple Grove204 m away | 91 m² | 139 m² | +48 m² +53% | 2025 |
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| 288, Ladysmith Road875 m away | 95 m² | 143 m² | +48 m² +51% | 2025 |
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| 53, Churchbury Lane581 m away | 93 m² | 140 m² | +47 m² +51% | 2018 |
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| 6, East Crescent935 m away | 93 m² | 139 m² | +46 m² +49% | 2025 |
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| 46, Apple Grove204 m away | 85 m² | 131 m² | +46 m² +54% | 2023 |
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| 17, Ladysmith Road0 m away | 108 m² | 154 m² | +46 m² +43% | 2021 |
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| 59, Riversfield Road274 m away | 91 m² | 137 m² | +46 m² +51% | 2013 |
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| 151, Fotheringham Road655 m away | 88 m² | 133 m² | +45 m² +51% | 2024 |
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| 112, Clive Road745 m away | 89 m² | 134 m² | +45 m² +51% | 2024 |
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| 219, Willow Road472 m away | 82 m² | 127 m² | +45 m² +55% | 2021 |
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| 38, Southbury Road230 m away | 132 m² | 177 m² | +45 m² +34% | 2019 |
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| 60, Monastery Gardens956 m away | 94 m² | 138 m² | +44 m² +47% | 2020 |
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| 16, Queens Road382 m away | 105 m² | 148 m² | +43 m² +41% | 2025 |
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| 109, Bertram Road806 m away | 79 m² | 122 m² | +43 m² +54% | 2025 |
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| 37, Lincoln Crescent858 m away | 80 m² | 123 m² | +43 m² +54% | 2025 |
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| 39, Willow Road983 m away | 81 m² | 124 m² | +43 m² +53% | 2019 |
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| 88, Connaught Avenue368 m away | 64 m² | 106 m² | +42 m² +66% | 2025 |
|---|
| 2, Bertram Road690 m away | 64 m² | 106 m² | +42 m² +66% | 2020 |
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| 17, Downs Road695 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 221, Ladysmith Road570 m away | 77 m² | 118 m² | +41 m² +53% | 2025 |
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| 187, Carterhatch Lane970 m away | 98 m² | 139 m² | +41 m² +42% | 2024 |
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| 126, Tenniswood Road852 m away | 70 m² | 111 m² | +41 m² +59% | 2017 |
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| 4, Bertram Road690 m away | 84 m² | 124 m² | +40 m² +48% | 2024 |
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| 153, Fotheringham Road655 m away | 81 m² | 121 m² | +40 m² +49% | 2022 |
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| 124, Burleigh Road520 m away | 78 m² | 118 m² | +40 m² +51% | 2021 |
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| 21, Queens Road376 m away | 110 m² | 150 m² | +40 m² +36% | 2020 |
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| 32, Monastery Gardens956 m away | 100 m² | 139 m² | +39 m² +39% | 2019 |
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| 7, Bertram Road646 m away | 79 m² | 118 m² | +39 m² +49% | 2013 |
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| 314, Ladysmith Road875 m away | 79 m² | 117 m² | +38 m² +48% | 2020 |
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| 22, Chalkwell Park Avenue653 m away | 63 m² | 101 m² | +38 m² +60% | 2016 |
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| 63, Hadrians Ride970 m away | 38 m² | 76 m² | +38 m² +100% | 2016 |
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| 151, Parsonage Lane620 m away | 108 m² | 146 m² | +38 m² +35% | 2014 |
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| 120, Fotheringham Road653 m away | 84 m² | 121 m² | +37 m² +44% | 2021 |
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| 87, Tenniswood Road818 m away | 84 m² | 121 m² | +37 m² +44% | 2021 |
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| 92, Connaught Avenue368 m away | 61 m² | 97 m² | +36 m² +59% | 2026 |
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| 6, Seaford Road439 m away | 41 m² | 77 m² | +36 m² +88% | 2024 |
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| 7, Fillebrook Avenue582 m away | 76 m² | 112 m² | +36 m² +47% | 2022 |
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| 41, Buckingham Close721 m away | 88 m² | 123 m² | +35 m² +40% | 2026 |
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| 32, Vicars Close338 m away | 95 m² | 130 m² | +35 m² +37% | 2025 |
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| 16, Falmer Road508 m away | 84 m² | 119 m² | +35 m² +42% | 2021 |
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| 273, Ladysmith Road843 m away | 85 m² | 119 m² | +34 m² +40% | 2023 |
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| 138, Lincoln Road944 m away | 78 m² | 112 m² | +34 m² +44% | 2023 |
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| 201, Southbury Road443 m away | 109 m² | 143 m² | +34 m² +31% | 2011 |
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| 94, Tenniswood Road852 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
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| 46, Carnarvon Avenue560 m away | 72 m² | 105 m² | +33 m² +46% | 2025 |
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| 15, Church Street939 m away | 58 m² | 91 m² | +33 m² +57% | 2024 |
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| 30, Bertram Road690 m away | 71 m² | 104 m² | +33 m² +46% | 2022 |
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| 41, Lincoln Road749 m away | 93 m² | 126 m² | +33 m² +35% | 2022 |
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| 76, Lincoln Road773 m away | 83 m² | 116 m² | +33 m² +40% | 2021 |
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| 122, Percival Road815 m away | 87 m² | 120 m² | +33 m² +38% | 2019 |
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| 25, Seaford Road405 m away | 87 m² | 119 m² | +32 m² +37% | 2025 |
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| 145, Tenniswood Road697 m away | 80 m² | 112 m² | +32 m² +40% | 2022 |
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| 111, Ladysmith Road278 m away | 99 m² | 130 m² | +31 m² +31% | 2025 |
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| 96, Fotheringham Road653 m away | 84 m² | 115 m² | +31 m² +37% | 2024 |
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| 169, Southbury Road335 m away | 74 m² | 105 m² | +31 m² +42% | 2015 |
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| 132, Fotheringham Road653 m away | 88 m² | 118 m² | +30 m² +34% | 2026 |
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| 7a, Graeme Road735 m away | 63 m² | 93 m² | +30 m² +48% | 2026 |
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| 86, Bertram Road851 m away | 78 m² | 108 m² | +30 m² +38% | 2024 |
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| 52, Seaford Road405 m away | 94 m² | 124 m² | +30 m² +32% | 2022 |
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| 2, Seaford Road439 m away | 78 m² | 108 m² | +30 m² +38% | 2019 |
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| 243, Ladysmith Road570 m away | 109 m² | 139 m² | +30 m² +28% | 2019 |
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| 157, Parsonage Lane620 m away | 109 m² | 139 m² | +30 m² +28% | 2017 |
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| 8, Apple Grove204 m away | 138 m² | 168 m² | +30 m² +22% | 2011 |
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| 205, Churchbury Lane820 m away | 77 m² | 106 m² | +29 m² +38% | 2026 |
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| 35, Bertram Road646 m away | 82 m² | 111 m² | +29 m² +35% | 2023 |
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| 10, Rochester Close907 m away | 98 m² | 127 m² | +29 m² +30% | 2023 |
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| 24, Sandringham Close686 m away | 83 m² | 112 m² | +29 m² +35% | 2018 |
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| 6, Clive Road886 m away | 87 m² | 116 m² | +29 m² +33% | 2018 |
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| 151b, Southbury Road335 m away | 43 m² | 71 m² | +28 m² +65% | 2025 |
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| 119, Roman Way953 m away | 82 m² | 110 m² | +28 m² +34% | 2025 |
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| Flat 32, Pinnacle House, 6a, Colman Parade572 m away | 47 m² | 75 m² | +28 m² +60% | 2023 |
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| 47, Lincoln Road749 m away | 79 m² | 107 m² | +28 m² +35% | 2023 |
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| 59, Hadrians Ride970 m away | 91 m² | 119 m² | +28 m² +31% | 2021 |
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| 69, Sketty Road202 m away | 84 m² | 112 m² | +28 m² +33% | 2017 |
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| 4, Fotheringham Road354 m away | 111 m² | 139 m² | +28 m² +25% | 2017 |
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| 82, Lincoln Road773 m away | 89 m² | 117 m² | +28 m² +31% | 2017 |
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| 8, Main Avenue976 m away | 76 m² | 104 m² | +28 m² +37% | 2014 |
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| 76, Carnarvon Avenue420 m away | 76 m² | 103 m² | +27 m² +36% | 2025 |
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| 95, Tenniswood Road818 m away | 77 m² | 104 m² | +27 m² +35% | 2023 |
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| 18, East Crescent935 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 122, Willow Road658 m away | 79 m² | 105 m² | +26 m² +33% | 2024 |
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| 5, Churchbury Road886 m away | 57 m² | 83 m² | +26 m² +46% | 2024 |
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| 141, Gordon Road989 m away | 87 m² | 112 m² | +25 m² +29% | 2020 |
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| 81, Apple Grove113 m away | 76 m² | 101 m² | +25 m² +33% | 2017 |
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| 42, Monastery Gardens956 m away | 94 m² | 119 m² | +25 m² +27% | 2010 |
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| 102, Clive Road745 m away | 75 m² | 99 m² | +24 m² +32% | 2023 |
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| 45, Sandringham Close664 m away | 75 m² | 98 m² | +23 m² +31% | 2025 |
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| 146, Tenniswood Road736 m away | 87 m² | 110 m² | +23 m² +26% | 2024 |
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| Flat G6, Tower Point, 52, Sydney Road905 m away | 40 m² | 63 m² | +23 m² +57% | 2024 |
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| Flat 9, Warne Court, 8, Village Road917 m away | 114 m² | 137 m² | +23 m² +20% | 2024 |
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| 133, Ladysmith Road278 m away | 112 m² | 135 m² | +23 m² +21% | 2023 |
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| 72, Southbury Road230 m away | 127 m² | 150 m² | +23 m² +18% | 2022 |
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| 104, Southbury Road236 m away | 127 m² | 150 m² | +23 m² +18% | 2018 |
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| 94, Burleigh Road581 m away | 90 m² | 112 m² | +22 m² +24% | 2026 |
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| 4, Burleigh Road668 m away | 85 m² | 107 m² | +22 m² +26% | 2025 |
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| 251, Ladysmith Road570 m away | 113 m² | 135 m² | +22 m² +19% | 2024 |
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| 33, Harman Road816 m away | 100 m² | 122 m² | +22 m² +22% | 2024 |
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| 156, Parsonage Lane897 m away | 81 m² | 103 m² | +22 m² +27% | 2022 |
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| 52, Halstead Road533 m away | 80 m² | 102 m² | +22 m² +28% | 2019 |
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| 62, Churchbury Road817 m away | 50 m² | 72 m² | +22 m² +44% | 2018 |
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| 12, Cowdrey Close732 m away | 94 m² | 116 m² | +22 m² +23% | 2017 |
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| 47, Apple Grove282 m away | 88 m² | 110 m² | +22 m² +25% | 2015 |
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| 170, Southbury Road473 m away | 111 m² | 133 m² | +22 m² +20% | 2012 |
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| 103a, Baker Street752 m away | 41 m² | 63 m² | +22 m² +54% | 2011 |
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| 45, Riversfield Road274 m away | 93 m² | 114 m² | +21 m² +23% | 2024 |
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| 64, Connaught Avenue457 m away | 44 m² | 65 m² | +21 m² +48% | 2024 |
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| St Andrews Court, 1 - 4, River Front563 m away | 78 m² | 99 m² | +21 m² +27% | 2024 |
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| 21, Monastery Gardens852 m away | 83 m² | 104 m² | +21 m² +25% | 2024 |
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| 91, Lincoln Crescent858 m away | 91 m² | 112 m² | +21 m² +23% | 2022 |
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| 36, Beresford Gardens592 m away | 61 m² | 82 m² | +21 m² +34% | 2021 |
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| 132, Percival Road815 m away | 48 m² | 69 m² | +21 m² +44% | 2019 |
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| 29, Connaught Avenue628 m away | 64 m² | 85 m² | +21 m² +33% | 2018 |
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| 43, Harman Road816 m away | 84 m² | 104 m² | +20 m² +24% | 2024 |
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| 1, Fotheringham Court, Fotheringham Road310 m away | 28 m² | 48 m² | +20 m² +71% | 2023 |
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| 42, Southbury Road230 m away | 108 m² | 128 m² | +20 m² +19% | 2022 |
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| 34, Falmer Road508 m away | 97 m² | 117 m² | +20 m² +21% | 2021 |
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| 41, Lincoln Crescent858 m away | 84 m² | 104 m² | +20 m² +24% | 2021 |
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| 11, John Street876 m away | 46 m² | 66 m² | +20 m² +43% | 2018 |
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| 2, Kingswood Close811 m away | 46 m² | 66 m² | +20 m² +43% | 2012 |
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| 147, Willow Road662 m away | 75 m² | 94 m² | +19 m² +25% | 2023 |
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| 36, Chalkwell Park Avenue653 m away | 64 m² | 83 m² | +19 m² +30% | 2021 |
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| 85, Cecil Avenue545 m away | 116 m² | 135 m² | +19 m² +16% | 2020 |
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| 71, Willow Road855 m away | 84 m² | 103 m² | +19 m² +23% | 2015 |
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| 27, Cobham Close503 m away | 43 m² | 62 m² | +19 m² +44% | 2012 |
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| 98, Churchbury Lane581 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 38, Burleigh Road668 m away | 77 m² | 95 m² | +18 m² +23% | 2025 |
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| 42, Herrongate Close447 m away | 92 m² | 110 m² | +18 m² +20% | 2023 |
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| 12, Ravens Close529 m away | 64 m² | 82 m² | +18 m² +28% | 2023 |
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| 147, Bertram Road806 m away | 84 m² | 102 m² | +18 m² +21% | 2023 |
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| 7, Grassmere Court, 20, Village Road972 m away | 44 m² | 62 m² | +18 m² +41% | 2022 |
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| 75, Tenniswood Road818 m away | 79 m² | 97 m² | +18 m² +23% | 2017 |
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| 31, Orchard Crescent980 m away | 85 m² | 103 m² | +18 m² +21% | 2016 |
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| 32, Buckingham Close744 m away | 93 m² | 110 m² | +17 m² +18% | 2026 |
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| 146, Bertram Road851 m away | 85 m² | 102 m² | +17 m² +20% | 2026 |
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| 11, Carisbrook Close801 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 18a, Abbey Road955 m away | 100 m² | 117 m² | +17 m² +17% | 2025 |
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| 34, Main Avenue976 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
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| 162, Southbury Road473 m away | 89 m² | 106 m² | +17 m² +19% | 2024 |
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| Flat 2, Monica Court, 2, Village Road952 m away | 50 m² | 67 m² | +17 m² +34% | 2022 |
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| 2, Grassmere Court, 20, Village Road972 m away | 45 m² | 62 m² | +17 m² +38% | 2022 |
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| 20, Grassmere Court, 20, Village Road972 m away | 45 m² | 62 m² | +17 m² +38% | 2022 |
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| 159, Gordon Road989 m away | 83 m² | 100 m² | +17 m² +20% | 2020 |
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| 50, Firtree Walk584 m away | 91 m² | 108 m² | +17 m² +19% | 2014 |
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| 9, Fotheringham Court, Fotheringham Road310 m away | 51 m² | 67 m² | +16 m² +31% | 2026 |
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| 42, Fotheringham Road490 m away | 103 m² | 119 m² | +16 m² +16% | 2026 |
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| Flat 3, 10a, London Road720 m away | 47 m² | 63 m² | +16 m² +34% | 2026 |
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| 146a, Percival Road815 m away | 82 m² | 98 m² | +16 m² +20% | 2025 |
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| 202, Ladysmith Road564 m away | 105 m² | 121 m² | +16 m² +15% | 2023 |
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| 45, Sketty Road161 m away | 43 m² | 59 m² | +16 m² +37% | 2022 |
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| 13, Burleigh Road668 m away | 75 m² | 91 m² | +16 m² +21% | 2022 |
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| 5, Grassmere Court, 20, Village Road972 m away | 46 m² | 62 m² | +16 m² +35% | 2022 |
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| 1, Percival Road606 m away | 63 m² | 79 m² | +16 m² +25% | 2021 |
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| 8, Newby Close374 m away | 74 m² | 90 m² | +16 m² +22% | 2020 |
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| 35, Sketty Road161 m away | 44 m² | 60 m² | +16 m² +36% | 2019 |
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| 91, Cobham Close503 m away | 46 m² | 62 m² | +16 m² +35% | 2019 |
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| 19, Bertram Road646 m away | 67 m² | 83 m² | +16 m² +24% | 2019 |
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| 80, Beresford Gardens483 m away | 65 m² | 81 m² | +16 m² +25% | 2016 |
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| 56, Southbury Road230 m away | 45 m² | 61 m² | +16 m² +36% | 2015 |
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| 34, Raleigh Road982 m away | 89 m² | 105 m² | +16 m² +18% | 2013 |
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| 138, Bertram Road851 m away | 78 m² | 94 m² | +16 m² +21% | 2012 |
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| 15, Buckingham Close721 m away | 76 m² | 91 m² | +15 m² +20% | 2025 |
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| 7a, Donkey Lane856 m away | 68 m² | 83 m² | +15 m² +22% | 2025 |
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| Flat 60, Lincoln Court, London Road858 m away | 70 m² | 85 m² | +15 m² +21% | 2025 |
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| 223, Baker Street981 m away | 50 m² | 65 m² | +15 m² +30% | 2023 |
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| 64, Sketty Road161 m away | 32 m² | 47 m² | +15 m² +47% | 2021 |
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| 30, Graeme Road727 m away | 87 m² | 102 m² | +15 m² +17% | 2014 |
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| 14a, Fyfield Road546 m away | 50 m² | 65 m² | +15 m² +30% | 2012 |
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