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 CR0 3AL
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 |
|---|---|---|---|---|
| 29, Chestnut Grove600 m away | 84 m² | 159 m² | +75 m² +89% | 2025 |
| 431, Commonside East940 m away | 96 m² | 167 m² | +71 m² +74% | 2021 |
| 52, Keston Road964 m away | 78 m² | 146 m² | +68 m² +87% | 2025 |
| 1, New Barns Avenue752 m away | 73 m² | 138 m² | +65 m² +89% | 2025 |
| 36, Silverleigh Road967 m away | 84 m² | 148 m² | +64 m² +76% | 2026 |
| 26, Hadley Road924 m away | 87 m² | 150 m² | +63 m² +72% | 2019 |
| 1, Rosedene Avenue798 m away | 47 m² | 109 m² | +62 m² +132% | 2020 |
| 65, Mayfield Road736 m away | 90 m² | 151 m² | +61 m² +68% | 2025 |
| 23, Ringwood Avenue751 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.
| 64 m² |
| 125 m² |
| +61 m² +95% |
| 2021 |
| 6, Southampton Gardens356 m away | 85 m² | 145 m² | +60 m² +71% | 2025 |
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| 44, Carisbrooke Road719 m away | 84 m² | 144 m² | +60 m² +71% | 2025 |
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| 59, Leander Road973 m away | 102 m² | 160 m² | +58 m² +57% | 2025 |
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| 157, Sherwood Park Road996 m away | 92 m² | 149 m² | +57 m² +62% | 2025 |
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| 104, Rochford Way378 m away | 62 m² | 119 m² | +57 m² +92% | 2020 |
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| 80, Harcourt Road977 m away | 76 m² | 132 m² | +56 m² +74% | 2026 |
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| 12, Saffron Close456 m away | 73 m² | 128 m² | +55 m² +75% | 2024 |
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| 52, Limpsfield Avenue826 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 419, Mitcham Road737 m away | 75 m² | 129 m² | +54 m² +72% | 2016 |
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| 46, Lavender Road535 m away | 81 m² | 134 m² | +53 m² +65% | 2025 |
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| 35, Almond Way633 m away | 42 m² | 95 m² | +53 m² +126% | 2025 |
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| 22, Rochford Way286 m away | 60 m² | 112 m² | +52 m² +87% | 2013 |
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| 20, Silverleigh Road967 m away | 89 m² | 139 m² | +50 m² +56% | 2025 |
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| 14, Curzon Road908 m away | 74 m² | 123 m² | +49 m² +66% | 2024 |
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| 25, Lavender Road535 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
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| 89, Ockley Road937 m away | 60 m² | 108 m² | +48 m² +80% | 2015 |
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| 2, Trafford Road867 m away | 81 m² | 128 m² | +47 m² +58% | 2022 |
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| 521, Commonside East574 m away | 92 m² | 139 m² | +47 m² +51% | 2019 |
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| 24, Ringwood Avenue827 m away | 39 m² | 86 m² | +47 m² +121% | 2019 |
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| 15, Middlesex Road423 m away | 77 m² | 123 m² | +46 m² +60% | 2025 |
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| 73, Broughton Road945 m away | 80 m² | 126 m² | +46 m² +57% | 2024 |
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| 85, Harcourt Road971 m away | 77 m² | 123 m² | +46 m² +60% | 2024 |
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| 168, Silverleigh Road874 m away | 85 m² | 130 m² | +45 m² +53% | 2017 |
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| 29, Monmouth Close850 m away | 81 m² | 125 m² | +44 m² +54% | 2025 |
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| 326, Galpins Road338 m away | 87 m² | 131 m² | +44 m² +51% | 2021 |
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| 153, Fairlands Avenue920 m away | 95 m² | 139 m² | +44 m² +46% | 2021 |
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| 36, Cecil Road800 m away | 48 m² | 91 m² | +43 m² +90% | 2026 |
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| 178, Beddington Lane769 m away | 92 m² | 135 m² | +43 m² +47% | 2025 |
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| 48, New Barns Avenue768 m away | 76 m² | 118 m² | +42 m² +55% | 2026 |
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| 14, Brading Road591 m away | 87 m² | 128 m² | +41 m² +47% | 2025 |
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| 286, Galpins Road485 m away | 96 m² | 137 m² | +41 m² +43% | 2024 |
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| 32, Thornton Avenue692 m away | 71 m² | 112 m² | +41 m² +58% | 2019 |
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| 179, Sherwood Park Road996 m away | 100 m² | 140 m² | +40 m² +40% | 2026 |
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| 301, Galpins Road303 m away | 91 m² | 130 m² | +39 m² +43% | 2023 |
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| 39, Aurelia Road442 m away | 62 m² | 101 m² | +39 m² +63% | 2023 |
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| 60, Ringwood Avenue682 m away | 56 m² | 94 m² | +38 m² +68% | 2025 |
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| 48, Gonville Road819 m away | 121 m² | 159 m² | +38 m² +31% | 2020 |
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| 275, Thornton Road774 m away | 37 m² | 73 m² | +36 m² +97% | 2019 |
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| 96, Tavistock Crescent741 m away | 81 m² | 117 m² | +36 m² +44% | 2016 |
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| 14, Ringwood Avenue827 m away | 70 m² | 104 m² | +34 m² +49% | 2023 |
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| 203, Silverleigh Road846 m away | 48 m² | 82 m² | +34 m² +71% | 2022 |
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| 47, Kent Close970 m away | 78 m² | 112 m² | +34 m² +44% | 2015 |
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| 54, Wingate Crescent0 m away | 75 m² | 108 m² | +33 m² +44% | 2026 |
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| 21, Ramones Terrace725 m away | 76 m² | 109 m² | +33 m² +43% | 2026 |
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| 389, Commonside East940 m away | 101 m² | 134 m² | +33 m² +33% | 2024 |
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| 104, Silverleigh Road951 m away | 83 m² | 116 m² | +33 m² +40% | 2015 |
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| 11, Rochford Way265 m away | 63 m² | 95 m² | +32 m² +51% | 2024 |
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| 25, Westcombe Avenue783 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 25, Rosecourt Road691 m away | 106 m² | 138 m² | +32 m² +30% | 2023 |
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| 214, Galpins Road621 m away | 77 m² | 109 m² | +32 m² +42% | 2021 |
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| 71, Headcorn Road989 m away | 89 m² | 121 m² | +32 m² +36% | 2020 |
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| 19, Furtherfield Close942 m away | 77 m² | 108 m² | +31 m² +40% | 2020 |
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| 640, Mitcham Road328 m away | 92 m² | 123 m² | +31 m² +34% | 2019 |
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| 38, Cecil Road800 m away | 48 m² | 79 m² | +31 m² +65% | 2015 |
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| 96, Carisbrooke Road719 m away | 88 m² | 118 m² | +30 m² +34% | 2026 |
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| 93, Chestnut Grove791 m away | 95 m² | 124 m² | +29 m² +31% | 2026 |
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| 68, Limpsfield Avenue732 m away | 83 m² | 112 m² | +29 m² +35% | 2025 |
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| 241, Silverleigh Road864 m away | 86 m² | 115 m² | +29 m² +34% | 2025 |
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| 169, Galpins Road757 m away | 79 m² | 108 m² | +29 m² +37% | 2024 |
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| 30, Aurelia Gardens599 m away | 82 m² | 111 m² | +29 m² +35% | 2022 |
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| 71, Carisbrooke Road724 m away | 89 m² | 118 m² | +29 m² +33% | 2020 |
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| 5, Tankerton Terrace724 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 111, Limpsfield Avenue678 m away | 84 m² | 112 m² | +28 m² +33% | 2022 |
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| 200, Galpins Road621 m away | 70 m² | 98 m² | +28 m² +40% | 2010 |
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| 122, Chestnut Grove837 m away | 88 m² | 115 m² | +27 m² +31% | 2025 |
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| 624, Mitcham Road328 m away | 77 m² | 103 m² | +26 m² +34% | 2026 |
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| 110, Galpins Road889 m away | 86 m² | 112 m² | +26 m² +30% | 2026 |
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| 15, Furtherfield Close942 m away | 56 m² | 82 m² | +26 m² +46% | 2022 |
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| 246, Galpins Road485 m away | 77 m² | 103 m² | +26 m² +34% | 2021 |
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| 15, Conway Gardens833 m away | 82 m² | 107 m² | +25 m² +30% | 2021 |
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| Flat 2, 24, Gonville Road900 m away | 63 m² | 88 m² | +25 m² +40% | 2021 |
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| 77, Donald Road979 m away | 74 m² | 99 m² | +25 m² +34% | 2012 |
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| 26, Limpsfield Avenue826 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
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| 27, Oakmead Road614 m away | 68 m² | 92 m² | +24 m² +35% | 2024 |
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| 120, Fairlands Avenue950 m away | 86 m² | 110 m² | +24 m² +28% | 2023 |
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| 55, Cecil Road814 m away | 65 m² | 89 m² | +24 m² +37% | 2020 |
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| 51, Donald Road979 m away | 96 m² | 120 m² | +24 m² +25% | 2020 |
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| 45, Rochford Way265 m away | 64 m² | 88 m² | +24 m² +38% | 2019 |
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| 52, Mayfield Road779 m away | 88 m² | 112 m² | +24 m² +27% | 2010 |
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| 31, Cecil Road814 m away | 111 m² | 134 m² | +23 m² +21% | 2026 |
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| 1a, Marden Road808 m away | 99 m² | 122 m² | +23 m² +23% | 2024 |
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| 4, Rosemary Close484 m away | 62 m² | 85 m² | +23 m² +37% | 2021 |
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| 106, Ringwood Avenue682 m away | 58 m² | 81 m² | +23 m² +40% | 2021 |
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| 2, Radnor Close685 m away | 74 m² | 97 m² | +23 m² +31% | 2021 |
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| 9, Marden Crescent857 m away | 79 m² | 102 m² | +23 m² +29% | 2021 |
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| 90, Kelvin Gardens936 m away | 57 m² | 80 m² | +23 m² +40% | 2014 |
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| 83, Rochford Way364 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
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| 82, Shropshire Close717 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
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| 339, Thornton Road849 m away | 49 m² | 71 m² | +22 m² +45% | 2020 |
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| 56, Tavistock Crescent741 m away | 86 m² | 108 m² | +22 m² +26% | 2015 |
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| 13, Aurelia Road442 m away | 84 m² | 106 m² | +22 m² +26% | 2014 |
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| 68, Cecil Road679 m away | 79 m² | 100 m² | +21 m² +27% | 2026 |
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| 90, Boston Road876 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
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| 12, Stonecroft Way542 m away | 76 m² | 97 m² | +21 m² +28% | 2024 |
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| 237, Thornton Road774 m away | 62 m² | 83 m² | +21 m² +34% | 2024 |
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| 30, Therapia Lane455 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
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| 230, Galpins Road621 m away | 69 m² | 90 m² | +21 m² +30% | 2022 |
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| 75, Silverleigh Road921 m away | 88 m² | 109 m² | +21 m² +24% | 2022 |
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| 3, Rosecourt Road691 m away | 70 m² | 91 m² | +21 m² +30% | 2016 |
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| 2, Dahlia Gardens856 m away | 88 m² | 109 m² | +21 m² +24% | 2014 |
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| 5, Homemead Road693 m away | 67 m² | 87 m² | +20 m² +30% | 2023 |
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| 245, Galpins Road439 m away | 78 m² | 98 m² | +20 m² +26% | 2020 |
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| 67, New Barns Avenue798 m away | 72 m² | 92 m² | +20 m² +28% | 2019 |
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| 213, Galpins Road608 m away | 41 m² | 61 m² | +20 m² +49% | 2015 |
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| 80, Ringwood Avenue682 m away | 77 m² | 97 m² | +20 m² +26% | 2015 |
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| 28, Mayfield Road812 m away | 87 m² | 107 m² | +20 m² +23% | 2014 |
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| 28, Rochford Way286 m away | 55 m² | 74 m² | +19 m² +35% | 2026 |
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| 541, Mitcham Road350 m away | 79 m² | 98 m² | +19 m² +24% | 2025 |
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| 69, Mayfield Road736 m away | 68 m² | 87 m² | +19 m² +28% | 2022 |
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| 28, Radnor Close685 m away | 75 m² | 94 m² | +19 m² +25% | 2018 |
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| 76, Kent Close953 m away | 93 m² | 112 m² | +19 m² +20% | 2017 |
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| 119, Boston Road890 m away | 81 m² | 99 m² | +18 m² +22% | 2026 |
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| 41, Tankerton Terrace543 m away | 21 m² | 39 m² | +18 m² +86% | 2024 |
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| 45, Stonecroft Way579 m away | 79 m² | 97 m² | +18 m² +23% | 2024 |
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| 221, Galpins Road608 m away | 70 m² | 88 m² | +18 m² +26% | 2024 |
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| 42, Beech Grove683 m away | 90 m² | 108 m² | +18 m² +20% | 2024 |
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| 17, Beddington Terrace866 m away | 60 m² | 78 m² | +18 m² +30% | 2024 |
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| Ground Floor Flat, 66, Limpsfield Avenue732 m away | 45 m² | 63 m² | +18 m² +40% | 2023 |
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| 18, Cecil Road800 m away | 115 m² | 133 m² | +18 m² +16% | 2022 |
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| 152, Sherwood Park Road958 m away | 93 m² | 111 m² | +18 m² +19% | 2016 |
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| 30, Westcombe Avenue762 m away | 78 m² | 96 m² | +18 m² +23% | 2015 |
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| 34, Trafford Road867 m away | 41 m² | 59 m² | +18 m² +44% | 2015 |
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| 68, Harcourt Road977 m away | 69 m² | 87 m² | +18 m² +26% | 2013 |
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| 670, Mitcham Road166 m away | 76 m² | 94 m² | +18 m² +24% | 2011 |
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| 39, Harcourt Road827 m away | 78 m² | 96 m² | +18 m² +23% | 2010 |
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| 36, Westcombe Avenue762 m away | 87 m² | 104 m² | +17 m² +20% | 2026 |
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| 22, Saffron Close456 m away | 108 m² | 125 m² | +17 m² +16% | 2025 |
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| 100, Berkshire Way612 m away | 41 m² | 58 m² | +17 m² +41% | 2025 |
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| 12, Radnor Close685 m away | 93 m² | 110 m² | +17 m² +18% | 2025 |
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| 140, Kelvin Gardens805 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 225, Thornton Road795 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 405, Mitcham Road737 m away | 86 m² | 103 m² | +17 m² +20% | 2021 |
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| 625, Mitcham Road223 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
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| 71, Mayfield Road736 m away | 98 m² | 115 m² | +17 m² +17% | 2013 |
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| 112, Franklin Way801 m away | 40 m² | 56 m² | +16 m² +40% | 2026 |
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| 27, Therapia Lane455 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
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| 11, New Barns Avenue752 m away | 78 m² | 94 m² | +16 m² +21% | 2024 |
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| 39, Rochford Way265 m away | 61 m² | 77 m² | +16 m² +26% | 2022 |
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| 20, Aurelia Gardens599 m away | 52 m² | 68 m² | +16 m² +31% | 2021 |
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| 33, Carisbrooke Road724 m away | 84 m² | 100 m² | +16 m² +19% | 2021 |
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| 46, Kent Close970 m away | 98 m² | 114 m² | +16 m² +16% | 2021 |
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| 23, Marden Crescent857 m away | 59 m² | 75 m² | +16 m² +27% | 2018 |
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| 6, Keston Road964 m away | 74 m² | 90 m² | +16 m² +22% | 2018 |
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| 82, Cecil Road679 m away | 87 m² | 103 m² | +16 m² +18% | 2016 |
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| 22, Kelvin Gardens936 m away | 37 m² | 53 m² | +16 m² +43% | 2014 |
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| 165, Cecil Road544 m away | 65 m² | 81 m² | +16 m² +25% | 2013 |
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| 9, Rosecourt Road691 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
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| 64, Harcourt Road977 m away | 91 m² | 106 m² | +15 m² +16% | 2023 |
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| 49, Keston Road945 m away | 96 m² | 111 m² | +15 m² +16% | 2019 |
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| 83, Harcourt Road971 m away | 86 m² | 101 m² | +15 m² +17% | 2015 |
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| 154, Kelvin Gardens805 m away | 62 m² | 77 m² | +15 m² +24% | 2014 |
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| 20, Ockley Road882 m away | 62 m² | 77 m² | +15 m² +24% | 2013 |
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