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 3DS
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 |
|---|---|---|---|---|
| 3, Onslow Road799 m away | 71 m² | 152 m² | +81 m² +114% | 2022 |
| 14, Miller Road650 m away | 69 m² | 139 m² | +70 m² +101% | 2025 |
| 52, Keston Road845 m away | 78 m² | 146 m² | +68 m² +87% | 2025 |
| 27, Pemdevon Road953 m away | 90 m² | 155 m² | +65 m² +72% | 2026 |
| 25, Canterbury Road846 m away | 181 m² | 244 m² | +63 m² +35% | 2019 |
| 1, Rosedene Avenue148 m away | 47 m² | 109 m² | +62 m² +132% | 2020 |
| 23, Ringwood Avenue192 m away | 64 m² | 125 m² | +61 m² +95% | 2021 |
| 14, Martin Crescent754 m away | 85 m² | 144 m² | +59 m² +69% | 2026 |
| 79, Pemdevon Road818 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.
| 84 m² |
| 142 m² |
| +58 m² +69% |
| 2024 |
| 104, Rochford Way593 m away | 62 m² | 119 m² | +57 m² +92% | 2020 |
|---|
| 80, Harcourt Road711 m away | 76 m² | 132 m² | +56 m² +74% | 2026 |
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| 12, Saffron Close542 m away | 73 m² | 128 m² | +55 m² +75% | 2024 |
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| 23, Pemdevon Road953 m away | 78 m² | 133 m² | +55 m² +71% | 2022 |
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| 419, Mitcham Road264 m away | 75 m² | 129 m² | +54 m² +72% | 2016 |
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| 46, Lavender Road554 m away | 81 m² | 134 m² | +53 m² +65% | 2025 |
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| 31, Canterbury Road846 m away | 122 m² | 175 m² | +53 m² +43% | 2024 |
|---|
| 85, Greenside Road805 m away | 102 m² | 154 m² | +52 m² +51% | 2015 |
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| 22, Rochford Way754 m away | 60 m² | 112 m² | +52 m² +87% | 2013 |
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| 2, Dunheved Road West934 m away | 145 m² | 195 m² | +50 m² +34% | 2018 |
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| 14, Curzon Road797 m away | 74 m² | 123 m² | +49 m² +66% | 2024 |
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| 25, Lavender Road554 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
|---|
| 89, Ockley Road0 m away | 60 m² | 108 m² | +48 m² +80% | 2015 |
|---|
| 24, Ringwood Avenue119 m away | 39 m² | 86 m² | +47 m² +121% | 2019 |
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| 85, Harcourt Road742 m away | 77 m² | 123 m² | +46 m² +60% | 2024 |
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| 73, Broughton Road916 m away | 80 m² | 126 m² | +46 m² +57% | 2024 |
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| 36, Cecil Road340 m away | 48 m² | 91 m² | +43 m² +90% | 2026 |
|---|
| 47, Thomson Crescent728 m away | 71 m² | 113 m² | +42 m² +59% | 2025 |
|---|
| 16, Donald Road525 m away | 96 m² | 138 m² | +42 m² +44% | 2019 |
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| 14, Brading Road454 m away | 87 m² | 128 m² | +41 m² +47% | 2025 |
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| 82, Pemdevon Road810 m away | 81 m² | 122 m² | +41 m² +51% | 2020 |
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| 32, Thornton Avenue486 m away | 71 m² | 112 m² | +41 m² +58% | 2019 |
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| 84, Greenside Road805 m away | 98 m² | 138 m² | +40 m² +41% | 2012 |
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| 39, Aurelia Road541 m away | 62 m² | 101 m² | +39 m² +63% | 2023 |
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| 60, Ringwood Avenue259 m away | 56 m² | 94 m² | +38 m² +68% | 2025 |
|---|
| 37, Wortley Road560 m away | 76 m² | 114 m² | +38 m² +50% | 2020 |
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| 60, Greenside Road805 m away | 101 m² | 138 m² | +37 m² +37% | 2023 |
|---|
| 75, Euston Road657 m away | 56 m² | 93 m² | +37 m² +66% | 2020 |
|---|
| 23, Dunheved Road West934 m away | 91 m² | 127 m² | +36 m² +40% | 2026 |
|---|
| 90, Wentworth Road637 m away | 66 m² | 102 m² | +36 m² +55% | 2024 |
|---|
| 22, Pemdevon Road942 m away | 98 m² | 134 m² | +36 m² +37% | 2023 |
|---|
| 88, Canterbury Road586 m away | 103 m² | 139 m² | +36 m² +35% | 2022 |
|---|
| 275, Thornton Road595 m away | 37 m² | 73 m² | +36 m² +97% | 2019 |
|---|
| 14, Ringwood Avenue119 m away | 70 m² | 104 m² | +34 m² +49% | 2023 |
|---|
| 56, Miller Road650 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
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| 38, Bute Road971 m away | 68 m² | 102 m² | +34 m² +50% | 2017 |
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| 59, Priory Road617 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
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| 54, Wingate Crescent937 m away | 75 m² | 108 m² | +33 m² +44% | 2026 |
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| 60, Sumner Road982 m away | 55 m² | 88 m² | +33 m² +60% | 2015 |
|---|
| 25, Westcombe Avenue175 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
|---|
| 11, Rochford Way740 m away | 63 m² | 95 m² | +32 m² +51% | 2024 |
|---|
| 25, Rosecourt Road423 m away | 106 m² | 138 m² | +32 m² +30% | 2023 |
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| 52, Fairholme Road940 m away | 76 m² | 108 m² | +32 m² +42% | 2016 |
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| 37, Purley Way278 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
|---|
| 19, Furtherfield Close666 m away | 77 m² | 108 m² | +31 m² +40% | 2020 |
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| 640, Mitcham Road610 m away | 92 m² | 123 m² | +31 m² +34% | 2019 |
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| 38, Cecil Road340 m away | 48 m² | 79 m² | +31 m² +65% | 2015 |
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| 26, Lynton Road770 m away | 71 m² | 101 m² | +30 m² +42% | 2017 |
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| 30, Aurelia Gardens795 m away | 82 m² | 111 m² | +29 m² +35% | 2022 |
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| 5, Tankerton Terrace301 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
|---|
| 99, Stanley Road663 m away | 58 m² | 85 m² | +27 m² +47% | 2022 |
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| 144, Canterbury Road477 m away | 61 m² | 88 m² | +27 m² +44% | 2019 |
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| 624, Mitcham Road610 m away | 77 m² | 103 m² | +26 m² +34% | 2026 |
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| 15, Fairmead Road406 m away | 76 m² | 102 m² | +26 m² +34% | 2025 |
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| 8, Fairholme Road940 m away | 84 m² | 110 m² | +26 m² +31% | 2023 |
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| 15, Furtherfield Close666 m away | 56 m² | 82 m² | +26 m² +46% | 2022 |
|---|
| 23, Priory Road617 m away | 82 m² | 107 m² | +25 m² +30% | 2019 |
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| 58, Midhurst Avenue874 m away | 81 m² | 106 m² | +25 m² +31% | 2018 |
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| 19a, Dennett Road979 m away | 31 m² | 56 m² | +25 m² +81% | 2015 |
|---|
| 83, Priory Road617 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
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| 77, Donald Road489 m away | 74 m² | 99 m² | +25 m² +34% | 2012 |
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| 88, Pemdevon Road810 m away | 68 m² | 92 m² | +24 m² +35% | 2023 |
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| 40, Stanley Grove839 m away | 80 m² | 104 m² | +24 m² +30% | 2022 |
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| 55, Cecil Road308 m away | 65 m² | 89 m² | +24 m² +37% | 2020 |
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| 51, Donald Road489 m away | 96 m² | 120 m² | +24 m² +25% | 2020 |
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| 97, Wentworth Road667 m away | 64 m² | 88 m² | +24 m² +38% | 2020 |
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| 45, Rochford Way740 m away | 64 m² | 88 m² | +24 m² +38% | 2019 |
|---|
| 102, Pemdevon Road810 m away | 76 m² | 100 m² | +24 m² +32% | 2019 |
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| 31, Cecil Road308 m away | 111 m² | 134 m² | +23 m² +21% | 2026 |
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| 156, Canterbury Road420 m away | 141 m² | 164 m² | +23 m² +16% | 2026 |
|---|
| 1a, Marden Road584 m away | 99 m² | 122 m² | +23 m² +23% | 2024 |
|---|
| 106, Ringwood Avenue259 m away | 58 m² | 81 m² | +23 m² +40% | 2021 |
|---|
| 4, Rosemary Close560 m away | 62 m² | 85 m² | +23 m² +37% | 2021 |
|---|
| 9, Marden Crescent627 m away | 79 m² | 102 m² | +23 m² +29% | 2021 |
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| 118, Stanley Road647 m away | 69 m² | 92 m² | +23 m² +33% | 2019 |
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| 90, Kelvin Gardens151 m away | 57 m² | 80 m² | +23 m² +40% | 2014 |
|---|
| 83, Rochford Way592 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
|---|
| Flat 1, 119, Sutherland Road728 m away | 53 m² | 75 m² | +22 m² +42% | 2024 |
|---|
| 7, Bute Road971 m away | 98 m² | 120 m² | +22 m² +22% | 2024 |
|---|
| 75, Pemdevon Road953 m away | 86 m² | 108 m² | +22 m² +26% | 2021 |
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| 339, Thornton Road457 m away | 49 m² | 71 m² | +22 m² +45% | 2020 |
|---|
| 13, Aurelia Road541 m away | 84 m² | 106 m² | +22 m² +26% | 2014 |
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| 87, Stanley Road663 m away | 72 m² | 94 m² | +22 m² +31% | 2010 |
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| 68, Cecil Road371 m away | 79 m² | 100 m² | +21 m² +27% | 2026 |
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| 90, Boston Road562 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
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| 8, Pemdevon Road942 m away | 88 m² | 109 m² | +21 m² +24% | 2025 |
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| 12, Stonecroft Way417 m away | 76 m² | 97 m² | +21 m² +28% | 2024 |
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| 237, Thornton Road595 m away | 62 m² | 83 m² | +21 m² +34% | 2024 |
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| 24, Wentworth Road672 m away | 74 m² | 95 m² | +21 m² +28% | 2024 |
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| 42, Wentworth Road646 m away | 73 m² | 94 m² | +21 m² +29% | 2023 |
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| 30, Therapia Lane498 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
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| 3, Rosecourt Road423 m away | 70 m² | 91 m² | +21 m² +30% | 2016 |
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| 19, Addington Road899 m away | 54 m² | 75 m² | +21 m² +39% | 2015 |
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| 78, Sumner Road982 m away | 40 m² | 61 m² | +21 m² +53% | 2009 |
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| 56, Euston Road693 m away | 88 m² | 108 m² | +20 m² +23% | 2026 |
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| 5, Addington Road899 m away | 60 m² | 80 m² | +20 m² +33% | 2025 |
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| 27, Boston Road660 m away | 60 m² | 80 m² | +20 m² +33% | 2023 |
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| 45, Miller Road630 m away | 48 m² | 68 m² | +20 m² +42% | 2021 |
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| 102, Dennett Road814 m away | 71 m² | 91 m² | +20 m² +28% | 2019 |
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| 80, Ringwood Avenue259 m away | 77 m² | 97 m² | +20 m² +26% | 2015 |
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| 74, Canterbury Road716 m away | 106 m² | 126 m² | +20 m² +19% | 2012 |
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| 28, Rochford Way754 m away | 55 m² | 74 m² | +19 m² +35% | 2026 |
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| 44, Sumner Road982 m away | 58 m² | 77 m² | +19 m² +33% | 2026 |
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| 541, Mitcham Road593 m away | 79 m² | 98 m² | +19 m² +24% | 2025 |
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| 53, Dennett Road979 m away | 107 m² | 126 m² | +19 m² +18% | 2023 |
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| Newgate House, 431, London Road982 m away | 54 m² | 73 m² | +19 m² +35% | 2020 |
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| 71, Addington Road899 m away | 62 m² | 81 m² | +19 m² +31% | 2019 |
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| 39, Greenside Road926 m away | 83 m² | 102 m² | +19 m² +23% | 2018 |
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| Flat 1, 166, Canterbury Road420 m away | 48 m² | 66 m² | +18 m² +38% | 2026 |
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| 119, Boston Road535 m away | 81 m² | 99 m² | +18 m² +22% | 2026 |
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| 15, Lambeth Road922 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 112, Mitcham Road998 m away | 79 m² | 97 m² | +18 m² +23% | 2025 |
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| 17, Beddington Terrace281 m away | 60 m² | 78 m² | +18 m² +30% | 2024 |
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| 45, Stonecroft Way375 m away | 79 m² | 97 m² | +18 m² +23% | 2024 |
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| 41, Tankerton Terrace414 m away | 21 m² | 39 m² | +18 m² +86% | 2024 |
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| 18, Cecil Road340 m away | 115 m² | 133 m² | +18 m² +16% | 2022 |
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| 77, Fairholme Road799 m away | 23 m² | 41 m² | +18 m² +78% | 2019 |
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| 30, Westcombe Avenue210 m away | 78 m² | 96 m² | +18 m² +23% | 2015 |
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| 68, Harcourt Road711 m away | 69 m² | 87 m² | +18 m² +26% | 2013 |
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| 26, Stanley Grove839 m away | 78 m² | 96 m² | +18 m² +23% | 2013 |
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| 33, Miller Road630 m away | 72 m² | 90 m² | +18 m² +25% | 2012 |
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| 670, Mitcham Road849 m away | 76 m² | 94 m² | +18 m² +24% | 2011 |
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| 39, Harcourt Road748 m away | 78 m² | 96 m² | +18 m² +23% | 2010 |
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| 36, Westcombe Avenue210 m away | 87 m² | 104 m² | +17 m² +20% | 2026 |
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| 140, Kelvin Gardens234 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 22, Saffron Close542 m away | 108 m² | 125 m² | +17 m² +16% | 2025 |
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| 20, Pemdevon Road942 m away | 73 m² | 90 m² | +17 m² +23% | 2024 |
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| 76, Wentworth Road646 m away | 80 m² | 97 m² | +17 m² +21% | 2023 |
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| 225, Thornton Road820 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 405, Mitcham Road264 m away | 86 m² | 103 m² | +17 m² +20% | 2021 |
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| 43, Effingham Road394 m away | 73 m² | 90 m² | +17 m² +23% | 2020 |
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| 625, Mitcham Road778 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
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| 29, Greenside Road926 m away | 101 m² | 118 m² | +17 m² +17% | 2017 |
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| 5, Chapman Road713 m away | 70 m² | 87 m² | +17 m² +24% | 2014 |
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| 58, Greenside Road805 m away | 100 m² | 117 m² | +17 m² +17% | 2014 |
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| 112, Franklin Way286 m away | 40 m² | 56 m² | +16 m² +40% | 2026 |
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| 326, Mitcham Road451 m away | 83 m² | 99 m² | +16 m² +19% | 2026 |
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| 27, Therapia Lane498 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
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| 60, Wentworth Road646 m away | 95 m² | 111 m² | +16 m² +17% | 2023 |
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| 129, Wentworth Road667 m away | 70 m² | 86 m² | +16 m² +23% | 2022 |
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| 39, Rochford Way740 m away | 61 m² | 77 m² | +16 m² +26% | 2022 |
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| 20, Aurelia Gardens795 m away | 52 m² | 68 m² | +16 m² +31% | 2021 |
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| 87, Fairholme Road799 m away | 84 m² | 100 m² | +16 m² +19% | 2019 |
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| 23, Marden Crescent627 m away | 59 m² | 75 m² | +16 m² +27% | 2018 |
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| 6, Keston Road845 m away | 74 m² | 90 m² | +16 m² +22% | 2018 |
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| 85, Wentworth Road675 m away | 78 m² | 94 m² | +16 m² +21% | 2017 |
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| 28, Sutherland Road728 m away | 75 m² | 91 m² | +16 m² +21% | 2017 |
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| 82, Cecil Road371 m away | 87 m² | 103 m² | +16 m² +18% | 2016 |
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| 58, Priory Road582 m away | 72 m² | 88 m² | +16 m² +22% | 2016 |
|---|
| 22, Kelvin Gardens151 m away | 37 m² | 53 m² | +16 m² +43% | 2014 |
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| 165, Cecil Road429 m away | 65 m² | 81 m² | +16 m² +25% | 2013 |
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| 130, Pemdevon Road810 m away | 72 m² | 88 m² | +16 m² +22% | 2010 |
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| 9, Rosecourt Road423 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
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| 86, Mitcham Road998 m away | 57 m² | 72 m² | +15 m² +26% | 2024 |
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| 104, Wentworth Road637 m away | 98 m² | 113 m² | +15 m² +15% | 2023 |
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| 64, Harcourt Road711 m away | 91 m² | 106 m² | +15 m² +16% | 2023 |
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| 36, Midhurst Avenue874 m away | 81 m² | 96 m² | +15 m² +19% | 2022 |
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| 11, Thomson Crescent728 m away | 83 m² | 98 m² | +15 m² +18% | 2021 |
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| 104, Canterbury Road586 m away | 45 m² | 60 m² | +15 m² +33% | 2019 |
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| 49, Keston Road882 m away | 96 m² | 111 m² | +15 m² +16% | 2019 |
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| 83, Harcourt Road742 m away | 86 m² | 101 m² | +15 m² +17% | 2015 |
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| 154, Kelvin Gardens234 m away | 62 m² | 77 m² | +15 m² +24% | 2014 |
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| 20, Ockley Road153 m away | 62 m² | 77 m² | +15 m² +24% | 2013 |
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