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 GU12 4JF
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 |
|---|---|---|---|---|
| 58, Church Lane East517 m away | 98 m² | 232 m² | +134 m² +137% | 2013 |
| 39, Cargate Avenue894 m away | 110 m² | 242 m² | +132 m² +120% | 2025 |
| 10, Cargate Avenue872 m away | 93 m² | 171 m² | +78 m² +84% | 2016 |
| 30, Brighton Road698 m away | 127 m² | 203 m² | +76 m² +60% | 2024 |
| 21, Highfield Gardens862 m away | 94 m² | 162 m² | +68 m² +72% | 2026 |
| 29, Park Road902 m away | 70 m² | 136 m² | +66 m² +94% | 2024 |
| 1, Clive Road678 m away | 61 m² | 127 m² | +66 m² +108% | 2023 |
| 4, Elm Place798 m away | 200 m² | 264 m² | +64 m² +32% | 2026 |
| 25, Church Road959 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.
| 159 m² |
| +64 m² +67% |
| 2026 |
| 26, Elston Road737 m away | 91 m² | 155 m² | +64 m² +70% | 2025 |
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| 62, Canning Road897 m away | 80 m² | 142 m² | +62 m² +78% | 2017 |
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| 18, Highfield Gardens833 m away | 93 m² | 154 m² | +61 m² +66% | 2016 |
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| 52, Ash Road695 m away | 72 m² | 128 m² | +56 m² +78% | 2020 |
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| The Sheiling, Bridge Road810 m away | 108 m² | 161 m² | +53 m² +49% | 2025 |
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| 45, St Josephs Road505 m away | 52 m² | 103 m² | +51 m² +98% | 2026 |
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| 24, Gordon Road531 m away | 64 m² | 114 m² | +50 m² +78% | 2014 |
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| 172, Newport Road967 m away | 70 m² | 119 m² | +49 m² +70% | 2025 |
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| 69, Belle Vue Road743 m away | 84 m² | 131 m² | +47 m² +56% | 2024 |
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| 17a, St Michaels Road119 m away | 36 m² | 83 m² | +47 m² +131% | 2011 |
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| 66, Gillian Avenue932 m away | 80 m² | 126 m² | +46 m² +57% | 2025 |
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| 12, Church Hill457 m away | 153 m² | 199 m² | +46 m² +30% | 2019 |
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| 124, Ash Road849 m away | 111 m² | 156 m² | +45 m² +41% | 2026 |
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| 69, Newport Road627 m away | 79 m² | 124 m² | +45 m² +57% | 2023 |
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| 12, Canning Road897 m away | 70 m² | 114 m² | +44 m² +63% | 2022 |
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| 34, Upper St Michaels Road621 m away | 108 m² | 152 m² | +44 m² +41% | 2019 |
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| 125, Church Lane East667 m away | 158 m² | 200 m² | +42 m² +27% | 2023 |
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| 36, St Michaels Road115 m away | 90 m² | 132 m² | +42 m² +47% | 2021 |
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| 10, Royale Close952 m away | 122 m² | 164 m² | +42 m² +34% | 2015 |
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| 73, Connaught Road735 m away | 62 m² | 103 m² | +41 m² +66% | 2021 |
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| 8b, St Georges Road East56 m away | 64 m² | 105 m² | +41 m² +64% | 2020 |
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| 19, Churchill Avenue550 m away | 64 m² | 105 m² | +41 m² +64% | 2014 |
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| 36, Haig Road460 m away | 62 m² | 101 m² | +39 m² +63% | 2022 |
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| 46, Park Road921 m away | 114 m² | 153 m² | +39 m² +34% | 2022 |
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| 129, St Michaels Road403 m away | 140 m² | 179 m² | +39 m² +28% | 2021 |
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| 51, Jubilee Road987 m away | 74 m² | 113 m² | +39 m² +53% | 2020 |
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| 13, East Station Road218 m away | 102 m² | 140 m² | +38 m² +37% | 2026 |
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| 100, St Michaels Road403 m away | 123 m² | 161 m² | +38 m² +31% | 2017 |
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| 8, Lee Court644 m away | 111 m² | 148 m² | +37 m² +33% | 2025 |
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| 67, Jubilee Road859 m away | 109 m² | 146 m² | +37 m² +34% | 2023 |
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| 9, Institute Road817 m away | 86 m² | 123 m² | +37 m² +43% | 2014 |
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| Flat 48, Stratfield House, Birchett Road446 m away | 43 m² | 79 m² | +36 m² +84% | 2026 |
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| 108, Ash Road849 m away | 81 m² | 117 m² | +36 m² +44% | 2026 |
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| 34, Gillian Close852 m away | 81 m² | 116 m² | +35 m² +43% | 2025 |
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| 59, St Georges Road317 m away | 95 m² | 129 m² | +34 m² +36% | 2018 |
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| 45, St Michaels Road119 m away | 107 m² | 140 m² | +33 m² +31% | 2022 |
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| 41, Gillian Avenue913 m away | 82 m² | 115 m² | +33 m² +40% | 2019 |
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| 58, St Georges Road317 m away | 63 m² | 96 m² | +33 m² +52% | 2015 |
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| 12, Reeves Road260 m away | 89 m² | 121 m² | +32 m² +36% | 2025 |
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| 3, Ventnor Terrace389 m away | 86 m² | 118 m² | +32 m² +37% | 2024 |
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| 51, St Josephs Road505 m away | 52 m² | 84 m² | +32 m² +62% | 2024 |
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| 105, High Street615 m away | 100 m² | 132 m² | +32 m² +32% | 2024 |
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| 103, High Street615 m away | 100 m² | 132 m² | +32 m² +32% | 2023 |
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| 8, Cargate Grove939 m away | 39 m² | 71 m² | +32 m² +82% | 2018 |
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| 11, Westbury Way882 m away | 70 m² | 101 m² | +31 m² +44% | 2026 |
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| 33, Holly Road428 m away | 50 m² | 81 m² | +31 m² +62% | 2024 |
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| 27, Gillian Close852 m away | 83 m² | 114 m² | +31 m² +37% | 2023 |
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| 97, Ash Road824 m away | 62 m² | 93 m² | +31 m² +50% | 2021 |
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| 19, Lysons Road616 m away | 36 m² | 66 m² | +30 m² +83% | 2025 |
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| 151, Newport Road967 m away | 82 m² | 112 m² | +30 m² +37% | 2025 |
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| 3, Gillian Avenue913 m away | 69 m² | 99 m² | +30 m² +43% | 2021 |
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| 38, Gillian Close852 m away | 120 m² | 150 m² | +30 m² +25% | 2020 |
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| Flat 5, Sherlow House, Nelson Street843 m away | 24 m² | 53 m² | +29 m² +121% | 2016 |
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| 48, Church Lane East590 m away | 76 m² | 105 m² | +29 m² +38% | 2011 |
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| 250a, High Street83 m away | 83 m² | 112 m² | +29 m² +35% | 2009 |
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| 3, Camela Villas, 99, Holly Road703 m away | 53 m² | 82 m² | +29 m² +55% | 2009 |
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| 5, Wellesley Gate244 m away | 40 m² | 68 m² | +28 m² +70% | 2024 |
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| 40, Parsons Close415 m away | 44 m² | 72 m² | +28 m² +64% | 2024 |
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| 15, Birchett Road662 m away | 89 m² | 117 m² | +28 m² +31% | 2023 |
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| 4, St. Michaels Hall, Croft Road622 m away | 49 m² | 77 m² | +28 m² +57% | 2020 |
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| 2, St Christophers Close881 m away | 57 m² | 85 m² | +28 m² +49% | 2014 |
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| 5, Ash Road662 m away | 98 m² | 125 m² | +27 m² +28% | 2026 |
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| 85, Roberts Road770 m away | 82 m² | 109 m² | +27 m² +33% | 2024 |
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| 10, Highfield Avenue643 m away | 154 m² | 181 m² | +27 m² +18% | 2022 |
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| 13, Institute Road817 m away | 85 m² | 112 m² | +27 m² +32% | 2022 |
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| 86, Connaught Road735 m away | 64 m² | 91 m² | +27 m² +42% | 2021 |
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| 15, St Christophers Close881 m away | 73 m² | 100 m² | +27 m² +37% | 2020 |
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| 7, Highland Road820 m away | 69 m² | 96 m² | +27 m² +39% | 2018 |
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| 16, St Josephs Road505 m away | 91 m² | 118 m² | +27 m² +30% | 2016 |
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| 4, Westbury Way882 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 30, Waterloo Road314 m away | 44 m² | 71 m² | +27 m² +61% | 2010 |
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| 13, Upper St Michaels Road621 m away | 143 m² | 169 m² | +26 m² +18% | 2026 |
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| 111, Newport Road627 m away | 113 m² | 139 m² | +26 m² +23% | 2026 |
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| 28, Ash Road695 m away | 105 m² | 131 m² | +26 m² +25% | 2022 |
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| 58b, St Georges Road317 m away | 70 m² | 96 m² | +26 m² +37% | 2015 |
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| 19, Westbury Way882 m away | 76 m² | 102 m² | +26 m² +34% | 2014 |
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| 40, Haig Road460 m away | 53 m² | 79 m² | +26 m² +49% | 2013 |
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| 20, Brockenhurst Road606 m away | 112 m² | 138 m² | +26 m² +23% | 2013 |
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| Flat 2, 1, Upper Elms Road838 m away | 76 m² | 101 m² | +25 m² +33% | 2026 |
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| 33, Brighton Road726 m away | 59 m² | 84 m² | +25 m² +42% | 2025 |
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| 24, Avondale Road611 m away | 90 m² | 115 m² | +25 m² +28% | 2022 |
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| 75, St Michaels Road264 m away | 110 m² | 135 m² | +25 m² +23% | 2021 |
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| 1, St Michaels Road0 m away | 107 m² | 132 m² | +25 m² +23% | 2019 |
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| 65, Highfield Gardens862 m away | 77 m² | 102 m² | +25 m² +32% | 2018 |
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| 53, Gordon Road531 m away | 84 m² | 109 m² | +25 m² +30% | 2014 |
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| 149, North Lane995 m away | 94 m² | 118 m² | +24 m² +26% | 2026 |
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| 1, East Station Road218 m away | 58 m² | 82 m² | +24 m² +41% | 2024 |
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| 30, Northbrook Road603 m away | 70 m² | 94 m² | +24 m² +34% | 2023 |
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| Flat 2, Ayyaz Court, 10, Halimote Road576 m away | 35 m² | 59 m² | +24 m² +69% | 2022 |
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| 62, Brighton Road820 m away | 83 m² | 107 m² | +24 m² +29% | 2021 |
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| 10, Iona House, Nelson Street847 m away | 72 m² | 96 m² | +24 m² +33% | 2021 |
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| 99, Haig Road795 m away | 61 m² | 84 m² | +23 m² +38% | 2026 |
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| 90, St Georges Road463 m away | 105 m² | 128 m² | +23 m² +22% | 2019 |
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| 50, Belle Vue Road743 m away | 108 m² | 131 m² | +23 m² +21% | 2015 |
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| 114, Holly Road690 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
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| 7, Cargate Hill960 m away | 92 m² | 114 m² | +22 m² +24% | 2026 |
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| The Studio, 42, Ash Road695 m away | 99 m² | 121 m² | +22 m² +22% | 2025 |
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| 102, St Georges Road463 m away | 80 m² | 102 m² | +22 m² +28% | 2023 |
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| 55, St Georges Road317 m away | 99 m² | 121 m² | +22 m² +22% | 2022 |
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| 2, Brockenhurst Road606 m away | 89 m² | 111 m² | +22 m² +25% | 2017 |
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| 2, Chrismas Avenue636 m away | 70 m² | 92 m² | +22 m² +31% | 2016 |
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| 30, Ash Road695 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
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| 66a, Grosvenor Road696 m away | 61 m² | 82 m² | +21 m² +34% | 2026 |
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| 61, Connaught Road735 m away | 80 m² | 101 m² | +21 m² +26% | 2024 |
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| 139, Grosvenor Road651 m away | 99 m² | 120 m² | +21 m² +21% | 2021 |
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| 61, Campbell Fields425 m away | 106 m² | 127 m² | +21 m² +20% | 2018 |
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| Flat 2, 25, Cargate Avenue872 m away | 75 m² | 96 m² | +21 m² +28% | 2011 |
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| 8, Brighton Road698 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
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| 4, Parsons Close415 m away | 59 m² | 79 m² | +20 m² +34% | 2024 |
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| 36, Highland Road820 m away | 82 m² | 102 m² | +20 m² +24% | 2024 |
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| 37, Brighton Road726 m away | 55 m² | 75 m² | +20 m² +36% | 2022 |
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| 33, Belle Vue Road634 m away | 43 m² | 63 m² | +20 m² +47% | 2019 |
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| 46, Campbell Fields396 m away | 56 m² | 75 m² | +19 m² +34% | 2023 |
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| 74, Connaught Road735 m away | 60 m² | 79 m² | +19 m² +32% | 2023 |
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| 6, Nelson Close579 m away | 60 m² | 79 m² | +19 m² +32% | 2022 |
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| 60, Holly Road449 m away | 71 m² | 90 m² | +19 m² +27% | 2021 |
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| 8, Mount Pleasant Road323 m away | 105 m² | 124 m² | +19 m² +18% | 2020 |
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| Flat 3, 32, Cargate Avenue894 m away | 53 m² | 72 m² | +19 m² +36% | 2020 |
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| 105, Victoria Road489 m away | 63 m² | 82 m² | +19 m² +30% | 2019 |
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| 21, Holly Road428 m away | 50 m² | 69 m² | +19 m² +38% | 2018 |
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| 274a, High Street145 m away | 39 m² | 58 m² | +19 m² +49% | 2016 |
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| 11, Canning Road897 m away | 71 m² | 90 m² | +19 m² +27% | 2016 |
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| 118, Victoria Road492 m away | 43 m² | 62 m² | +19 m² +44% | 2013 |
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| Flat 21, Edward Court, Halimote Road499 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| Flat 11, London House, Pickford Street396 m away | 71 m² | 89 m² | +18 m² +25% | 2025 |
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| 113, Holly Road692 m away | 103 m² | 121 m² | +18 m² +17% | 2025 |
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| 16, Union Street813 m away | 52 m² | 70 m² | +18 m² +35% | 2025 |
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| 38, Ash Road695 m away | 108 m² | 126 m² | +18 m² +17% | 2023 |
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| Flat 5, Edward Court, Halimote Road499 m away | 72 m² | 90 m² | +18 m² +25% | 2022 |
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| 138, Grosvenor Road680 m away | 90 m² | 108 m² | +18 m² +20% | 2022 |
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| Flat 15, Stratfield House, Birchett Road446 m away | 43 m² | 61 m² | +18 m² +42% | 2015 |
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| Flat 53, Stratfield House, Birchett Road446 m away | 42 m² | 60 m² | +18 m² +43% | 2014 |
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| 2, Wheelwrights House, Waterloo Road278 m away | 48 m² | 66 m² | +18 m² +38% | 2012 |
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| 12, St Michaels Road115 m away | 56 m² | 73 m² | +17 m² +30% | 2025 |
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| 3, Mount Pleasant Road323 m away | 101 m² | 118 m² | +17 m² +17% | 2025 |
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| 55, Connaught Road735 m away | 84 m² | 101 m² | +17 m² +20% | 2025 |
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| 3, Barrack Road884 m away | 93 m² | 110 m² | +17 m² +18% | 2025 |
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| 130, Holly Road690 m away | 85 m² | 102 m² | +17 m² +20% | 2024 |
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| 33, Coleman Road747 m away | 85 m² | 102 m² | +17 m² +20% | 2023 |
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| 69a, Grosvenor Road706 m away | 37 m² | 54 m² | +17 m² +46% | 2021 |
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| 69, Gordon Road573 m away | 56 m² | 73 m² | +17 m² +30% | 2020 |
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| 58, Highclere Road918 m away | 86 m² | 103 m² | +17 m² +20% | 2013 |
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| Flat 3, Sportsmans Court, 213, High Street205 m away | 55 m² | 71 m² | +16 m² +29% | 2026 |
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| 21, Haig Road460 m away | 60 m² | 76 m² | +16 m² +27% | 2024 |
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| 14, Iona House, Nelson Street847 m away | 62 m² | 78 m² | +16 m² +26% | 2024 |
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| 23a, Lansdowne Road821 m away | 77 m² | 93 m² | +16 m² +21% | 2021 |
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| 49, Birchett Road662 m away | 62 m² | 78 m² | +16 m² +26% | 2017 |
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| 3, Redan Road942 m away | 85 m² | 101 m² | +16 m² +19% | 2016 |
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| 6 - 8, Station Road395 m away | 30 m² | 46 m² | +16 m² +53% | 2015 |
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| 46, Belle Vue Close902 m away | 56 m² | 72 m² | +16 m² +29% | 2014 |
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| 246a, High Street83 m away | 66 m² | 81 m² | +15 m² +23% | 2026 |
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| Flat 6, Emarc House, 6, Pickford Street465 m away | 42 m² | 57 m² | +15 m² +36% | 2026 |
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| 37, Ash Road662 m away | 74 m² | 89 m² | +15 m² +20% | 2024 |
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| 33, Elms Road618 m away | 74 m² | 89 m² | +15 m² +20% | 2021 |
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| 71, Roberts Road770 m away | 68 m² | 83 m² | +15 m² +22% | 2021 |
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| 61, St Georges Road317 m away | 93 m² | 108 m² | +15 m² +16% | 2020 |
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| 85, Ascot Court355 m away | 21 m² | 36 m² | +15 m² +71% | 2020 |
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| 415, High Street546 m away | 71 m² | 86 m² | +15 m² +21% | 2020 |
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| 201, Ascot Court407 m away | 57 m² | 72 m² | +15 m² +26% | 2019 |
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| 185b, Victoria Road753 m away | 44 m² | 59 m² | +15 m² +34% | 2018 |
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| 72, Gillian Avenue932 m away | 69 m² | 84 m² | +15 m² +22% | 2018 |
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| 6, Westbury Way882 m away | 91 m² | 106 m² | +15 m² +16% | 2014 |
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| 11, Fontwell Close966 m away | 73 m² | 88 m² | +15 m² +21% | 2014 |
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| 10, Clive Road678 m away | 63 m² | 78 m² | +15 m² +24% | 2010 |
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