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 CR0 3GS
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 |
|---|---|---|---|---|
| 1, Rosedene Avenue414 m away | 47 m² | 109 m² | +62 m² +132% | 2020 |
| 23, Ringwood Avenue375 m away | 64 m² | 125 m² | +61 m² +95% | 2021 |
| 6, Southampton Gardens840 m away | 85 m² | 145 m² | +60 m² +71% | 2025 |
| 104, Rochford Way126 m away | 62 m² | 119 m² | +57 m² +92% | 2020 |
| 80, Harcourt Road945 m away | 76 m² | 132 m² | +56 m² +74% | 2026 |
| 12, Saffron Close58 m away | 73 m² | 128 m² | +55 m² +75% | 2024 |
| 419, Mitcham Road481 m away | 75 m² | 129 m² | +54 m² +72% | 2016 |
| 46, Lavender Road506 m away | 81 m² | 134 m² | +53 m² +65% | 2025 |
| 22, Rochford Way220 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.
| 60 m² |
| 112 m² |
| +52 m² +87% |
| 2013 |
| 14, Curzon Road947 m away | 74 m² | 123 m² | +49 m² +66% | 2024 |
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| 25, Lavender Road506 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
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| 89, Ockley Road560 m away | 60 m² | 108 m² | +48 m² +80% | 2015 |
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| 24, Ringwood Avenue482 m away | 39 m² | 86 m² | +47 m² +121% | 2019 |
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| 15, Middlesex Road898 m away | 77 m² | 123 m² | +46 m² +60% | 2025 |
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| 85, Harcourt Road957 m away | 77 m² | 123 m² | +46 m² +60% | 2024 |
|---|
| 326, Galpins Road813 m away | 87 m² | 131 m² | +44 m² +51% | 2021 |
|---|
| 36, Cecil Road604 m away | 48 m² | 91 m² | +43 m² +90% | 2026 |
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| 178, Beddington Lane728 m away | 92 m² | 135 m² | +43 m² +47% | 2025 |
|---|
| 16, Donald Road868 m away | 96 m² | 138 m² | +42 m² +44% | 2019 |
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| 14, Brading Road472 m away | 87 m² | 128 m² | +41 m² +47% | 2025 |
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| 286, Galpins Road945 m away | 96 m² | 137 m² | +41 m² +43% | 2024 |
|---|
| 32, Thornton Avenue602 m away | 71 m² | 112 m² | +41 m² +58% | 2019 |
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| 39, Aurelia Road376 m away | 62 m² | 101 m² | +39 m² +63% | 2023 |
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| 301, Galpins Road775 m away | 91 m² | 130 m² | +39 m² +43% | 2023 |
|---|
| 60, Ringwood Avenue320 m away | 56 m² | 94 m² | +38 m² +68% | 2025 |
|---|
| 37, Wortley Road919 m away | 76 m² | 114 m² | +38 m² +50% | 2020 |
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| 275, Thornton Road739 m away | 37 m² | 73 m² | +36 m² +97% | 2019 |
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| 14, Ringwood Avenue482 m away | 70 m² | 104 m² | +34 m² +49% | 2023 |
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| 54, Wingate Crescent484 m away | 75 m² | 108 m² | +33 m² +44% | 2026 |
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| 11, Rochford Way225 m away | 63 m² | 95 m² | +32 m² +51% | 2024 |
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| 25, Westcombe Avenue467 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 25, Rosecourt Road555 m away | 106 m² | 138 m² | +32 m² +30% | 2023 |
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| 37, Purley Way823 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
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| 19, Furtherfield Close898 m away | 77 m² | 108 m² | +31 m² +40% | 2020 |
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| 640, Mitcham Road247 m away | 92 m² | 123 m² | +31 m² +34% | 2019 |
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| 38, Cecil Road604 m away | 48 m² | 79 m² | +31 m² +65% | 2015 |
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| 68, Limpsfield Avenue986 m away | 83 m² | 112 m² | +29 m² +35% | 2025 |
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| 30, Aurelia Gardens741 m away | 82 m² | 111 m² | +29 m² +35% | 2022 |
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| 5, Tankerton Terrace497 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 111, Limpsfield Avenue947 m away | 84 m² | 112 m² | +28 m² +33% | 2022 |
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| 144, Canterbury Road897 m away | 61 m² | 88 m² | +27 m² +44% | 2019 |
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| 624, Mitcham Road247 m away | 77 m² | 103 m² | +26 m² +34% | 2026 |
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| 15, Fairmead Road951 m away | 76 m² | 102 m² | +26 m² +34% | 2025 |
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| 15, Furtherfield Close898 m away | 56 m² | 82 m² | +26 m² +46% | 2022 |
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| 246, Galpins Road945 m away | 77 m² | 103 m² | +26 m² +34% | 2021 |
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| 77, Donald Road829 m away | 74 m² | 99 m² | +25 m² +34% | 2012 |
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| 27, Oakmead Road586 m away | 68 m² | 92 m² | +24 m² +35% | 2024 |
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| 55, Cecil Road598 m away | 65 m² | 89 m² | +24 m² +37% | 2020 |
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| 51, Donald Road829 m away | 96 m² | 120 m² | +24 m² +25% | 2020 |
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| 45, Rochford Way225 m away | 64 m² | 88 m² | +24 m² +38% | 2019 |
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| 31, Cecil Road598 m away | 111 m² | 134 m² | +23 m² +21% | 2026 |
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| 156, Canterbury Road832 m away | 141 m² | 164 m² | +23 m² +16% | 2026 |
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| 1a, Marden Road758 m away | 99 m² | 122 m² | +23 m² +23% | 2024 |
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| 4, Rosemary Close0 m away | 62 m² | 85 m² | +23 m² +37% | 2021 |
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| 106, Ringwood Avenue320 m away | 58 m² | 81 m² | +23 m² +40% | 2021 |
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| 9, Marden Crescent818 m away | 79 m² | 102 m² | +23 m² +29% | 2021 |
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| 90, Kelvin Gardens504 m away | 57 m² | 80 m² | +23 m² +40% | 2014 |
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| 83, Rochford Way156 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
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| 339, Thornton Road715 m away | 49 m² | 71 m² | +22 m² +45% | 2020 |
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| 13, Aurelia Road376 m away | 84 m² | 106 m² | +22 m² +26% | 2014 |
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| 68, Cecil Road501 m away | 79 m² | 100 m² | +21 m² +27% | 2026 |
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| 90, Boston Road795 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
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| 12, Stonecroft Way166 m away | 76 m² | 97 m² | +21 m² +28% | 2024 |
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| 237, Thornton Road739 m away | 62 m² | 83 m² | +21 m² +34% | 2024 |
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| 30, Therapia Lane145 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
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| 3, Rosecourt Road555 m away | 70 m² | 91 m² | +21 m² +30% | 2016 |
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| 5, Homemead Road679 m away | 67 m² | 87 m² | +20 m² +30% | 2023 |
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| 245, Galpins Road895 m away | 78 m² | 98 m² | +20 m² +26% | 2020 |
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| 80, Ringwood Avenue320 m away | 77 m² | 97 m² | +20 m² +26% | 2015 |
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| 28, Rochford Way220 m away | 55 m² | 74 m² | +19 m² +35% | 2026 |
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| 541, Mitcham Road196 m away | 79 m² | 98 m² | +19 m² +24% | 2025 |
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| 119, Boston Road790 m away | 81 m² | 99 m² | +18 m² +22% | 2026 |
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| Flat 1, 166, Canterbury Road832 m away | 48 m² | 66 m² | +18 m² +38% | 2026 |
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| 45, Stonecroft Way204 m away | 79 m² | 97 m² | +18 m² +23% | 2024 |
|---|
| 41, Tankerton Terrace340 m away | 21 m² | 39 m² | +18 m² +86% | 2024 |
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| 17, Beddington Terrace630 m away | 60 m² | 78 m² | +18 m² +30% | 2024 |
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| Ground Floor Flat, 66, Limpsfield Avenue986 m away | 45 m² | 63 m² | +18 m² +40% | 2023 |
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| 18, Cecil Road604 m away | 115 m² | 133 m² | +18 m² +16% | 2022 |
|---|
| 30, Westcombe Avenue467 m away | 78 m² | 96 m² | +18 m² +23% | 2015 |
|---|
| 68, Harcourt Road945 m away | 69 m² | 87 m² | +18 m² +26% | 2013 |
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| 670, Mitcham Road341 m away | 76 m² | 94 m² | +18 m² +24% | 2011 |
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| 39, Harcourt Road866 m away | 78 m² | 96 m² | +18 m² +23% | 2010 |
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| 36, Westcombe Avenue467 m away | 87 m² | 104 m² | +17 m² +20% | 2026 |
|---|
| 22, Saffron Close58 m away | 108 m² | 125 m² | +17 m² +16% | 2025 |
|---|
| 140, Kelvin Gardens362 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 225, Thornton Road886 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 405, Mitcham Road481 m away | 86 m² | 103 m² | +17 m² +20% | 2021 |
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| 625, Mitcham Road269 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
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| 43, Effingham Road951 m away | 73 m² | 90 m² | +17 m² +23% | 2020 |
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| 112, Franklin Way341 m away | 40 m² | 56 m² | +16 m² +40% | 2026 |
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| 326, Mitcham Road956 m away | 83 m² | 99 m² | +16 m² +19% | 2026 |
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| 27, Therapia Lane145 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
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| 39, Rochford Way225 m away | 61 m² | 77 m² | +16 m² +26% | 2022 |
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| 20, Aurelia Gardens741 m away | 52 m² | 68 m² | +16 m² +31% | 2021 |
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| 23, Marden Crescent818 m away | 59 m² | 75 m² | +16 m² +27% | 2018 |
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| 82, Cecil Road501 m away | 87 m² | 103 m² | +16 m² +18% | 2016 |
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| 22, Kelvin Gardens504 m away | 37 m² | 53 m² | +16 m² +43% | 2014 |
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| 165, Cecil Road373 m away | 65 m² | 81 m² | +16 m² +25% | 2013 |
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| 9, Rosecourt Road555 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
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| 64, Harcourt Road945 m away | 91 m² | 106 m² | +15 m² +16% | 2023 |
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| 83, Harcourt Road957 m away | 86 m² | 101 m² | +15 m² +17% | 2015 |
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| 154, Kelvin Gardens362 m away | 62 m² | 77 m² | +15 m² +24% | 2014 |
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| 20, Ockley Road577 m away | 62 m² | 77 m² | +15 m² +24% | 2013 |
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