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 IG1 1TT
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 |
|---|---|---|---|---|
| 6, Haslemere Road868 m away | 124 m² | 259 m² | +135 m² +109% | 2026 |
| 20, Warwick Gardens910 m away | 130 m² | 245 m² | +115 m² +88% | 2024 |
| 11, Sunnyside Road628 m away | 88 m² | 202 m² | +114 m² +130% | 2024 |
| 32, Airlie Gardens936 m away | 129 m² | 236 m² | +107 m² +83% | 2025 |
| 26, Grosvenor Road869 m away | 148 m² | 254 m² | +106 m² +72% | 2024 |
| 38, Woodlands Road945 m away | 125 m² | 229 m² | +104 m² +83% | 2023 |
| 38, Norfolk Road706 m away | 156 m² | 255 m² | +99 m² +63% | 2019 |
| 44, Cambridge Road785 m away | 68 m² | 165 m² | +97 m² +143% | 2020 |
| 35, South Park Crescent525 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.
| 96 m² |
| 188 m² |
| +92 m² +96% |
| 2025 |
| 11a, Benton Road513 m away | 71 m² | 162 m² | +91 m² +128% | 2016 |
|---|
| 126, Gordon Road854 m away | 84 m² | 169 m² | +85 m² +101% | 2026 |
|---|
| 121, Balfour Road796 m away | 111 m² | 196 m² | +85 m² +77% | 2024 |
|---|
| 89, Wellesley Road681 m away | 133 m² | 216 m² | +83 m² +62% | 2023 |
|---|
| 63, Charter Avenue787 m away | 94 m² | 177 m² | +83 m² +88% | 2017 |
|---|
| 46, Elgin Road738 m away | 143 m² | 216 m² | +73 m² +51% | 2026 |
|---|
| 2, Connaught Road281 m away | 108 m² | 181 m² | +73 m² +68% | 2021 |
|---|
| 72, Balfour Road929 m away | 132 m² | 204 m² | +72 m² +55% | 2026 |
|---|
| 11, Kings Gardens402 m away | 88 m² | 158 m² | +70 m² +80% | 2015 |
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| 1, Farley Drive705 m away | 95 m² | 165 m² | +70 m² +74% | 2014 |
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| 16, Felbrigge Road885 m away | 113 m² | 182 m² | +69 m² +61% | 2023 |
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| 66, Highbury Gardens422 m away | 80 m² | 148 m² | +68 m² +85% | 2026 |
|---|
| 27, Claremont Gardens514 m away | 80 m² | 148 m² | +68 m² +85% | 2020 |
|---|
| 58, Ripley Road819 m away | 85 m² | 153 m² | +68 m² +80% | 2017 |
|---|
| 81, Woodlands Road965 m away | 123 m² | 190 m² | +67 m² +54% | 2026 |
|---|
| 12, Glencoe Avenue719 m away | 125 m² | 191 m² | +66 m² +53% | 2023 |
|---|
| 137, Wellesley Road704 m away | 94 m² | 159 m² | +65 m² +69% | 2014 |
|---|
| 495, High Road121 m away | 60 m² | 124 m² | +64 m² +107% | 2024 |
|---|
| 33, Lansdowne Road854 m away | 104 m² | 167 m² | +63 m² +61% | 2026 |
|---|
| 23, Belmont Road653 m away | 68 m² | 131 m² | +63 m² +93% | 2023 |
|---|
| 95, Cobham Road855 m away | 76 m² | 138 m² | +62 m² +82% | 2021 |
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| 21, Cobham Road705 m away | 85 m² | 147 m² | +62 m² +73% | 2019 |
|---|
| 4, Warwick Gardens910 m away | 49 m² | 110 m² | +61 m² +124% | 2020 |
|---|
| 1, Lansdowne Road854 m away | 96 m² | 157 m² | +61 m² +64% | 2019 |
|---|
| 185, Grange Road889 m away | 75 m² | 136 m² | +61 m² +81% | 2019 |
|---|
| 28, Toronto Road921 m away | 134 m² | 195 m² | +61 m² +46% | 2015 |
|---|
| 116, Park Road810 m away | 71 m² | 131 m² | +60 m² +85% | 2025 |
|---|
| 175, Coventry Road799 m away | 99 m² | 159 m² | +60 m² +61% | 2023 |
|---|
| 24, Raymond Road790 m away | 50 m² | 110 m² | +60 m² +120% | 2012 |
|---|
| 174, Coventry Road772 m away | 91 m² | 150 m² | +59 m² +65% | 2018 |
|---|
| 237, Ley Street466 m away | 86 m² | 144 m² | +58 m² +67% | 2025 |
|---|
| 1, Park Road556 m away | 47 m² | 105 m² | +58 m² +123% | 2024 |
|---|
| 50, Lansdowne Road972 m away | 113 m² | 171 m² | +58 m² +51% | 2021 |
|---|
| 165, South Park Drive945 m away | 89 m² | 147 m² | +58 m² +65% | 2020 |
|---|
| 39, Highbury Gardens445 m away | 81 m² | 138 m² | +57 m² +70% | 2022 |
|---|
| 10, South Park Crescent525 m away | 82 m² | 138 m² | +56 m² +68% | 2026 |
|---|
| 9, North Road486 m away | 82 m² | 138 m² | +56 m² +68% | 2025 |
|---|
| 39, Lansdowne Road972 m away | 97 m² | 153 m² | +56 m² +58% | 2022 |
|---|
| 23, Brisbane Road719 m away | 84 m² | 139 m² | +55 m² +65% | 2014 |
|---|
| 44, Perth Road885 m away | 76 m² | 130 m² | +54 m² +71% | 2021 |
|---|
| 116, Stanley Road274 m away | 96 m² | 149 m² | +53 m² +55% | 2022 |
|---|
| 1, Vernon Road927 m away | 118 m² | 171 m² | +53 m² +45% | 2019 |
|---|
| 92, Stainforth Road972 m away | 120 m² | 172 m² | +52 m² +43% | 2021 |
|---|
| 119, South Park Drive945 m away | 89 m² | 141 m² | +52 m² +58% | 2015 |
|---|
| 14, Colombo Road863 m away | 82 m² | 133 m² | +51 m² +62% | 2025 |
|---|
| 33, Raymond Road790 m away | 93 m² | 144 m² | +51 m² +55% | 2022 |
|---|
| 60, Ripley Road819 m away | 82 m² | 133 m² | +51 m² +62% | 2022 |
|---|
| 21, South Park Drive623 m away | 75 m² | 125 m² | +50 m² +67% | 2026 |
|---|
| 41, Wards Road911 m away | 96 m² | 146 m² | +50 m² +52% | 2014 |
|---|
| 33, Elgin Road738 m away | 165 m² | 214 m² | +49 m² +30% | 2024 |
|---|
| 105, Stanley Road260 m away | 39 m² | 88 m² | +49 m² +126% | 2013 |
|---|
| 28, South Park Crescent525 m away | 97 m² | 145 m² | +48 m² +49% | 2024 |
|---|
| 462, Green Lane979 m away | 120 m² | 168 m² | +48 m² +40% | 2023 |
|---|
| 39, St Marys Road376 m away | 97 m² | 145 m² | +48 m² +49% | 2022 |
|---|
| 181, Grange Road908 m away | 76 m² | 124 m² | +48 m² +63% | 2020 |
|---|
| 336, Thorold Road448 m away | 80 m² | 127 m² | +47 m² +59% | 2024 |
|---|
| 10, Gordon Road487 m away | 92 m² | 139 m² | +47 m² +51% | 2023 |
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| 27, South Park Drive623 m away | 92 m² | 139 m² | +47 m² +51% | 2023 |
|---|
| 10, Holmwood Road714 m away | 68 m² | 115 m² | +47 m² +69% | 2013 |
|---|
| 49, Francis Avenue144 m away | 42 m² | 89 m² | +47 m² +112% | 2010 |
|---|
| 7, Littlemoor Road866 m away | 81 m² | 127 m² | +46 m² +57% | 2023 |
|---|
| 157, Grange Road947 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
|---|
| 23, Francis Avenue144 m away | 77 m² | 123 m² | +46 m² +60% | 2015 |
|---|
| 26, Seven Kings Road766 m away | 108 m² | 153 m² | +45 m² +42% | 2025 |
|---|
| 63, Gordon Road774 m away | 94 m² | 139 m² | +45 m² +48% | 2025 |
|---|
| 317, Green Lane742 m away | 69 m² | 114 m² | +45 m² +65% | 2024 |
|---|
| 36, Belmont Road661 m away | 152 m² | 197 m² | +45 m² +30% | 2023 |
|---|
| 41, Vernon Road927 m away | 51 m² | 96 m² | +45 m² +88% | 2021 |
|---|
| 115, Wards Road856 m away | 95 m² | 140 m² | +45 m² +47% | 2017 |
|---|
| 85, Sunnyside Road766 m away | 88 m² | 132 m² | +44 m² +50% | 2024 |
|---|
| 79, South Park Drive784 m away | 79 m² | 123 m² | +44 m² +56% | 2023 |
|---|
| 135, Windsor Road971 m away | 85 m² | 129 m² | +44 m² +52% | 2016 |
|---|
| 18, St Marys Road392 m away | 72 m² | 115 m² | +43 m² +60% | 2026 |
|---|
| 359, Henley Road982 m away | 107 m² | 150 m² | +43 m² +40% | 2024 |
|---|
| 7, Milverton Gardens939 m away | 38 m² | 81 m² | +43 m² +113% | 2023 |
|---|
| 427, Ley Street513 m away | 93 m² | 136 m² | +43 m² +46% | 2019 |
|---|
| 4, Glencoe Avenue719 m away | 95 m² | 137 m² | +42 m² +44% | 2026 |
|---|
| 40, Audley Gardens947 m away | 106 m² | 148 m² | +42 m² +40% | 2026 |
|---|
| 68, Holmwood Road763 m away | 70 m² | 112 m² | +42 m² +60% | 2023 |
|---|
| 186, Windsor Road971 m away | 82 m² | 124 m² | +42 m² +51% | 2020 |
|---|
| 9, Farley Drive705 m away | 81 m² | 123 m² | +42 m² +52% | 2019 |
|---|
| 252, Kingston Road981 m away | 82 m² | 124 m² | +42 m² +51% | 2019 |
|---|
| 57, Christchurch Road941 m away | 110 m² | 151 m² | +41 m² +37% | 2026 |
|---|
| 54, Gordon Road579 m away | 114 m² | 155 m² | +41 m² +36% | 2021 |
|---|
| 2, South Park Crescent525 m away | 83 m² | 124 m² | +41 m² +49% | 2019 |
|---|
| 60, Green Lane494 m away | 127 m² | 168 m² | +41 m² +32% | 2017 |
|---|
| 176, Balfour Road593 m away | 36 m² | 77 m² | +41 m² +114% | 2016 |
|---|
| 52a, Aldborough Road South675 m away | 59 m² | 100 m² | +41 m² +69% | 2016 |
|---|
| 41, Bradford Road436 m away | 79 m² | 120 m² | +41 m² +52% | 2013 |
|---|
| 18, Park Road567 m away | 122 m² | 162 m² | +40 m² +33% | 2026 |
|---|
| 156, Green Lane405 m away | 82 m² | 122 m² | +40 m² +49% | 2025 |
|---|
| 149, Aldborough Road South679 m away | 72 m² | 112 m² | +40 m² +56% | 2021 |
|---|
| 64b, Elgin Road881 m away | 66 m² | 106 m² | +40 m² +61% | 2021 |
|---|
| 63, South Park Drive784 m away | 83 m² | 123 m² | +40 m² +48% | 2019 |
|---|
| 75, Holmwood Road763 m away | 73 m² | 113 m² | +40 m² +55% | 2017 |
|---|
| 169, Ley Street667 m away | 89 m² | 129 m² | +40 m² +45% | 2015 |
|---|
| 87, Sunnyside Road766 m away | 94 m² | 134 m² | +40 m² +43% | 2013 |
|---|
| 290, Balfour Road667 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 125, Wellesley Road704 m away | 114 m² | 153 m² | +39 m² +34% | 2024 |
|---|
| 40, Green Lane507 m away | 82 m² | 121 m² | +39 m² +48% | 2023 |
|---|
| 25a, Wards Road911 m away | 46 m² | 85 m² | +39 m² +85% | 2021 |
|---|
| 69, Green Lane380 m away | 55 m² | 94 m² | +39 m² +71% | 2018 |
|---|
| 40, Norfolk Road706 m away | 28 m² | 67 m² | +39 m² +139% | 2018 |
|---|
| 6, Lambourne Road616 m away | 71 m² | 109 m² | +38 m² +54% | 2026 |
|---|
| 110, Albert Road693 m away | 42 m² | 80 m² | +38 m² +90% | 2024 |
|---|
| 53, Colombo Road897 m away | 105 m² | 143 m² | +38 m² +36% | 2024 |
|---|
| 276, Hampton Road990 m away | 72 m² | 110 m² | +38 m² +53% | 2024 |
|---|
| 342, Green Lane638 m away | 103 m² | 141 m² | +38 m² +37% | 2022 |
|---|
| 443, Ley Street513 m away | 87 m² | 125 m² | +38 m² +44% | 2017 |
|---|
| 70, Glencoe Avenue719 m away | 115 m² | 153 m² | +38 m² +33% | 2016 |
|---|
| 72, Meath Road805 m away | 46 m² | 84 m² | +38 m² +83% | 2015 |
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| 93, Betchworth Road814 m away | 90 m² | 127 m² | +37 m² +41% | 2025 |
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| 122, Lynn Road944 m away | 80 m² | 117 m² | +37 m² +46% | 2022 |
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| 275, Thorold Road481 m away | 108 m² | 145 m² | +37 m² +34% | 2017 |
|---|
| 71, Cobham Road705 m away | 91 m² | 128 m² | +37 m² +41% | 2017 |
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| 249, Hampton Road990 m away | 71 m² | 108 m² | +37 m² +52% | 2016 |
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| 279, Ley Street466 m away | 95 m² | 131 m² | +36 m² +38% | 2025 |
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| 175, Ley Street667 m away | 49 m² | 85 m² | +36 m² +73% | 2024 |
|---|
| 112, Thorold Road736 m away | 118 m² | 154 m² | +36 m² +31% | 2023 |
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| 24, Gordon Road487 m away | 42 m² | 78 m² | +36 m² +86% | 2019 |
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| 297, Hampton Road913 m away | 28 m² | 64 m² | +36 m² +129% | 2017 |
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| 4, Mafeking Avenue752 m away | 96 m² | 131 m² | +35 m² +36% | 2025 |
|---|
| 48, Balfour Road929 m away | 122 m² | 157 m² | +35 m² +29% | 2024 |
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| 328, Kingston Road838 m away | 96 m² | 131 m² | +35 m² +36% | 2023 |
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| 8, North Road486 m away | 85 m² | 120 m² | +35 m² +41% | 2021 |
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| 559, Ley Street996 m away | 50 m² | 85 m² | +35 m² +70% | 2021 |
|---|
| 127b, Balfour Road796 m away | 72 m² | 107 m² | +35 m² +49% | 2019 |
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| 58, Woodlands Road965 m away | 29 m² | 64 m² | +35 m² +121% | 2014 |
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| 95, Auckland Road990 m away | 78 m² | 113 m² | +35 m² +45% | 2012 |
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| 300, Hampton Road913 m away | 89 m² | 123 m² | +34 m² +38% | 2024 |
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| 10a, Cambridge Road802 m away | 25 m² | 59 m² | +34 m² +136% | 2021 |
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| 107, Green Lane381 m away | 83 m² | 117 m² | +34 m² +41% | 2019 |
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| 20, Elmstead Road695 m away | 84 m² | 118 m² | +34 m² +40% | 2016 |
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| 268, Kingston Road948 m away | 90 m² | 123 m² | +33 m² +37% | 2024 |
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| 25, Lynn Road988 m away | 46 m² | 79 m² | +33 m² +72% | 2021 |
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| 71, Stanley Road332 m away | 88 m² | 121 m² | +33 m² +38% | 2013 |
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| 32, Clandon Road641 m away | 69 m² | 102 m² | +33 m² +48% | 2013 |
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| 101, Francis Avenue0 m away | 70 m² | 102 m² | +32 m² +46% | 2026 |
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| 8, St Albans Road937 m away | 98 m² | 130 m² | +32 m² +33% | 2024 |
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| 78, Auckland Road969 m away | 92 m² | 124 m² | +32 m² +35% | 2024 |
|---|
| 100, Charter Avenue787 m away | 85 m² | 117 m² | +32 m² +38% | 2021 |
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| 4, Melford Road349 m away | 36 m² | 68 m² | +32 m² +89% | 2020 |
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| 41, Littlemoor Road866 m away | 75 m² | 107 m² | +32 m² +43% | 2019 |
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| 82, Vernon Road949 m away | 156 m² | 188 m² | +32 m² +21% | 2017 |
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| Flat 2, 15, Elgin Road738 m away | 38 m² | 70 m² | +32 m² +84% | 2014 |
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| Balfour House, 390 - 398, High Road207 m away | 59 m² | 91 m² | +32 m² +54% | 2010 |
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| 22, Melbourne Road864 m away | 35 m² | 67 m² | +32 m² +91% | 2009 |
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| 62, Cobham Road683 m away | 90 m² | 121 m² | +31 m² +34% | 2026 |
|---|
| 349, Thorold Road631 m away | 81 m² | 112 m² | +31 m² +38% | 2025 |
|---|
| 319, Thorold Road631 m away | 83 m² | 114 m² | +31 m² +37% | 2025 |
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| 59, Stanley Road400 m away | 79 m² | 110 m² | +31 m² +39% | 2024 |
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| 302, Thorold Road448 m away | 98 m² | 129 m² | +31 m² +32% | 2024 |
|---|
| 49, Lansdowne Road972 m away | 98 m² | 129 m² | +31 m² +32% | 2024 |
|---|
| 75, Thorold Road904 m away | 83 m² | 114 m² | +31 m² +37% | 2021 |
|---|
| 14, Lambourne Road616 m away | 77 m² | 108 m² | +31 m² +40% | 2020 |
|---|
| 116, Balfour Road696 m away | 133 m² | 164 m² | +31 m² +23% | 2020 |
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| 55, Breamore Road968 m away | 85 m² | 116 m² | +31 m² +36% | 2019 |
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| 291, Ley Street466 m away | 86 m² | 116 m² | +30 m² +35% | 2024 |
|---|
| 2, Lansdowne Road854 m away | 135 m² | 165 m² | +30 m² +22% | 2023 |
|---|
| 80b, Aldborough Road South904 m away | 61 m² | 91 m² | +30 m² +49% | 2023 |
|---|
| 231, Thorold Road481 m away | 144 m² | 174 m² | +30 m² +21% | 2022 |
|---|
| First Floor Flat, 3, Highbury Gardens360 m away | 50 m² | 80 m² | +30 m² +60% | 2021 |
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| 71, Lansdowne Road972 m away | 101 m² | 131 m² | +30 m² +30% | 2021 |
|---|
| 116, Coventry Road772 m away | 103 m² | 133 m² | +30 m² +29% | 2016 |
|---|
| 154, Grange Road947 m away | 108 m² | 138 m² | +30 m² +28% | 2015 |
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| 145, Coventry Road862 m away | 187 m² | 217 m² | +30 m² +16% | 2014 |
|---|
| 40, Betchworth Road642 m away | 82 m² | 112 m² | +30 m² +37% | 2013 |
|---|
| 153, Wellesley Road704 m away | 87 m² | 116 m² | +29 m² +33% | 2026 |
|---|
| Flat 308, Raphael House, 250, High Road678 m away | 64 m² | 93 m² | +29 m² +45% | 2025 |
|---|
| Flat 22, Kingsley Mews, Ley Street879 m away | 74 m² | 103 m² | +29 m² +39% | 2025 |
|---|
| 150, Windsor Road971 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
|---|
| 621, Ley Street996 m away | 86 m² | 115 m² | +29 m² +34% | 2025 |
|---|
| 3, Piper Way280 m away | 82 m² | 111 m² | +29 m² +35% | 2024 |
|---|
| 346a, Henley Road999 m away | 37 m² | 66 m² | +29 m² +78% | 2021 |
|---|
| 99, Francis Avenue0 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
|---|
| 28, Colombo Road863 m away | 85 m² | 114 m² | +29 m² +34% | 2020 |
|---|
| 6, Colombo Road863 m away | 116 m² | 145 m² | +29 m² +25% | 2018 |
|---|
| 338, Ley Street384 m away | 105 m² | 134 m² | +29 m² +28% | 2017 |
|---|
| 129, Coventry Road896 m away | 89 m² | 118 m² | +29 m² +33% | 2016 |
|---|
| 105, Albert Road675 m away | 191 m² | 220 m² | +29 m² +15% | 2013 |
|---|
| 28, Kent View Gardens585 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
|---|
| 32, Charter Avenue658 m away | 57 m² | 85 m² | +28 m² +49% | 2026 |
|---|
| 23, Seven Kings Road824 m away | 149 m² | 177 m² | +28 m² +19% | 2025 |
|---|
| 28, Airlie Gardens936 m away | 152 m² | 180 m² | +28 m² +18% | 2024 |
|---|
| 33, Park Road556 m away | 113 m² | 141 m² | +28 m² +25% | 2022 |
|---|
| 41, Sunnyside Road628 m away | 115 m² | 143 m² | +28 m² +24% | 2022 |
|---|
| 220, Wellesley Road704 m away | 88 m² | 116 m² | +28 m² +32% | 2021 |
|---|
| 37, Pelham Road338 m away | 116 m² | 144 m² | +28 m² +24% | 2019 |
|---|
| 25, Buckingham Road339 m away | 112 m² | 140 m² | +28 m² +25% | 2019 |
|---|
| 20, Seven Kings Road766 m away | 54 m² | 82 m² | +28 m² +52% | 2015 |
|---|
| 31, Belmont Road653 m away | 140 m² | 168 m² | +28 m² +20% | 2014 |
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