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 3FA
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 Road724 m away | 71 m² | 152 m² | +81 m² +114% | 2022 |
| 14, Miller Road668 m away | 69 m² | 139 m² | +70 m² +101% | 2025 |
| 52, Keston Road619 m away | 78 m² | 146 m² | +68 m² +87% | 2025 |
| 27, Pemdevon Road768 m away | 90 m² | 155 m² | +65 m² +72% | 2026 |
| 36, Silverleigh Road940 m away | 84 m² | 148 m² | +64 m² +76% | 2026 |
| 25, Canterbury Road623 m away | 181 m² | 244 m² | +63 m² +35% | 2019 |
| 1, Rosedene Avenue304 m away | 47 m² | 109 m² | +62 m² +132% | 2020 |
| 23, Ringwood Avenue320 m away | 64 m² | 125 m² | +61 m² +95% | 2021 |
| 6, Kingswood Avenue999 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 |
| 157 m² |
| +61 m² +64% |
| 2020 |
| 14, Martin Crescent792 m away | 85 m² | 144 m² | +59 m² +69% | 2026 |
|---|
| 79, Pemdevon Road665 m away | 84 m² | 142 m² | +58 m² +69% | 2024 |
|---|
| 104, Rochford Way658 m away | 62 m² | 119 m² | +57 m² +92% | 2020 |
|---|
| 80, Harcourt Road477 m away | 76 m² | 132 m² | +56 m² +74% | 2026 |
|---|
| 12, Saffron Close635 m away | 73 m² | 128 m² | +55 m² +75% | 2024 |
|---|
| 23, Pemdevon Road768 m away | 78 m² | 133 m² | +55 m² +71% | 2022 |
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| 52, Limpsfield Avenue817 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
|---|
| 419, Mitcham Road206 m away | 75 m² | 129 m² | +54 m² +72% | 2016 |
|---|
| 46, Lavender Road451 m away | 81 m² | 134 m² | +53 m² +65% | 2025 |
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| 31, Canterbury Road623 m away | 122 m² | 175 m² | +53 m² +43% | 2024 |
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| 85, Greenside Road617 m away | 102 m² | 154 m² | +52 m² +51% | 2015 |
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| 22, Rochford Way822 m away | 60 m² | 112 m² | +52 m² +87% | 2013 |
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| 20, Silverleigh Road940 m away | 89 m² | 139 m² | +50 m² +56% | 2025 |
|---|
| 2, Dunheved Road West695 m away | 145 m² | 195 m² | +50 m² +34% | 2018 |
|---|
| 14, Curzon Road577 m away | 74 m² | 123 m² | +49 m² +66% | 2024 |
|---|
| Flat 88, City House, 420, London Road823 m away | 45 m² | 93 m² | +48 m² +107% | 2025 |
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| 25, Lavender Road451 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
|---|
| 89, Ockley Road242 m away | 60 m² | 108 m² | +48 m² +80% | 2015 |
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| 24, Ringwood Avenue214 m away | 39 m² | 86 m² | +47 m² +121% | 2019 |
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| 85, Harcourt Road510 m away | 77 m² | 123 m² | +46 m² +60% | 2024 |
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| 73, Broughton Road697 m away | 80 m² | 126 m² | +46 m² +57% | 2024 |
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| Flat 38, 390, London Road848 m away | 123 m² | 167 m² | +44 m² +36% | 2021 |
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| 36, Cecil Road164 m away | 48 m² | 91 m² | +43 m² +90% | 2026 |
|---|
| 675b, London Road907 m away | 54 m² | 97 m² | +43 m² +80% | 2024 |
|---|
| 47, Thomson Crescent694 m away | 71 m² | 113 m² | +42 m² +59% | 2025 |
|---|
| 25, Broad Green Avenue940 m away | 38 m² | 80 m² | +42 m² +111% | 2025 |
|---|
| 16, Donald Road284 m away | 96 m² | 138 m² | +42 m² +44% | 2019 |
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| 14, Brading Road362 m away | 87 m² | 128 m² | +41 m² +47% | 2025 |
|---|
| 82, Pemdevon Road647 m away | 81 m² | 122 m² | +41 m² +51% | 2020 |
|---|
| 32, Thornton Avenue327 m away | 71 m² | 112 m² | +41 m² +58% | 2019 |
|---|
| 84, Greenside Road607 m away | 98 m² | 138 m² | +40 m² +41% | 2012 |
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| 39, Aurelia Road499 m away | 62 m² | 101 m² | +39 m² +63% | 2023 |
|---|
| 60, Ringwood Avenue356 m away | 56 m² | 94 m² | +38 m² +68% | 2025 |
|---|
| 37, Wortley Road319 m away | 76 m² | 114 m² | +38 m² +50% | 2020 |
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| 48, Gonville Road948 m away | 121 m² | 159 m² | +38 m² +31% | 2020 |
|---|
| 60, Greenside Road607 m away | 101 m² | 138 m² | +37 m² +37% | 2023 |
|---|
| 75, Euston Road665 m away | 56 m² | 93 m² | +37 m² +66% | 2020 |
|---|
| 23, Dunheved Road West695 m away | 91 m² | 127 m² | +36 m² +40% | 2026 |
|---|
| 90, Wentworth Road491 m away | 66 m² | 102 m² | +36 m² +55% | 2024 |
|---|
| 22, Pemdevon Road751 m away | 98 m² | 134 m² | +36 m² +37% | 2023 |
|---|
| 88, Canterbury Road362 m away | 103 m² | 139 m² | +36 m² +35% | 2022 |
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| 275, Thornton Road396 m away | 37 m² | 73 m² | +36 m² +97% | 2019 |
|---|
| 14, Ringwood Avenue214 m away | 70 m² | 104 m² | +34 m² +49% | 2023 |
|---|
| 1, Grafton Road970 m away | 96 m² | 130 m² | +34 m² +35% | 2021 |
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| 56, Miller Road668 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
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| 38, Bute Road912 m away | 68 m² | 102 m² | +34 m² +50% | 2017 |
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| 59, Priory Road439 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
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| 54, Wingate Crescent938 m away | 75 m² | 108 m² | +33 m² +44% | 2026 |
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| 60, Sumner Road850 m away | 55 m² | 88 m² | +33 m² +60% | 2015 |
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| 25, Westcombe Avenue208 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 11, Rochford Way798 m away | 63 m² | 95 m² | +32 m² +51% | 2024 |
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| 25, Rosecourt Road283 m away | 106 m² | 138 m² | +32 m² +30% | 2023 |
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| 52, Fairholme Road745 m away | 76 m² | 108 m² | +32 m² +42% | 2016 |
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| 37, Purley Way221 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
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| 19, Furtherfield Close434 m away | 77 m² | 108 m² | +31 m² +40% | 2020 |
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| 640, Mitcham Road628 m away | 92 m² | 123 m² | +31 m² +34% | 2019 |
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| 38, Cecil Road164 m away | 48 m² | 79 m² | +31 m² +65% | 2015 |
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| Dawood House, 28, Mayday Road921 m away | 110 m² | 140 m² | +30 m² +27% | 2018 |
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| 26, Lynton Road529 m away | 71 m² | 101 m² | +30 m² +42% | 2017 |
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| 68, Limpsfield Avenue896 m away | 83 m² | 112 m² | +29 m² +35% | 2025 |
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| 30, Aurelia Gardens641 m away | 82 m² | 111 m² | +29 m² +35% | 2022 |
|---|
| 5, Tankerton Terrace214 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| 111, Limpsfield Avenue896 m away | 84 m² | 112 m² | +28 m² +33% | 2022 |
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| 99, Stanley Road430 m away | 58 m² | 85 m² | +27 m² +47% | 2022 |
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| 144, Canterbury Road247 m away | 61 m² | 88 m² | +27 m² +44% | 2019 |
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| 624, Mitcham Road628 m away | 77 m² | 103 m² | +26 m² +34% | 2026 |
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| 15, Fairmead Road322 m away | 76 m² | 102 m² | +26 m² +34% | 2025 |
|---|
| 8, Fairholme Road745 m away | 84 m² | 110 m² | +26 m² +31% | 2023 |
|---|
| 15, Furtherfield Close434 m away | 56 m² | 82 m² | +26 m² +46% | 2022 |
|---|
| Flat 2, 24, Gonville Road875 m away | 63 m² | 88 m² | +25 m² +40% | 2021 |
|---|
| 12, Sumner Road972 m away | 99 m² | 124 m² | +25 m² +25% | 2020 |
|---|
| 23, Priory Road439 m away | 82 m² | 107 m² | +25 m² +30% | 2019 |
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| 58, Midhurst Avenue655 m away | 81 m² | 106 m² | +25 m² +31% | 2018 |
|---|
| 19a, Dennett Road805 m away | 31 m² | 56 m² | +25 m² +81% | 2015 |
|---|
| 83, Priory Road439 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
|---|
| 77, Donald Road248 m away | 74 m² | 99 m² | +25 m² +34% | 2012 |
|---|
| 26, Limpsfield Avenue817 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
|---|
| 88, Pemdevon Road647 m away | 68 m² | 92 m² | +24 m² +35% | 2023 |
|---|
| 40, Stanley Grove597 m away | 80 m² | 104 m² | +24 m² +30% | 2022 |
|---|
| 55, Cecil Road137 m away | 65 m² | 89 m² | +24 m² +37% | 2020 |
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| 51, Donald Road248 m away | 96 m² | 120 m² | +24 m² +25% | 2020 |
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| 97, Wentworth Road524 m away | 64 m² | 88 m² | +24 m² +38% | 2020 |
|---|
| 102, Pemdevon Road647 m away | 76 m² | 100 m² | +24 m² +32% | 2019 |
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| 45, Rochford Way798 m away | 64 m² | 88 m² | +24 m² +38% | 2019 |
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| 31, Cecil Road137 m away | 111 m² | 134 m² | +23 m² +21% | 2026 |
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| 156, Canterbury Road185 m away | 141 m² | 164 m² | +23 m² +16% | 2026 |
|---|
| 1a, Marden Road376 m away | 99 m² | 122 m² | +23 m² +23% | 2024 |
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| 21a, Bishops Road871 m away | 72 m² | 95 m² | +23 m² +32% | 2022 |
|---|
| 106, Ringwood Avenue356 m away | 58 m² | 81 m² | +23 m² +40% | 2021 |
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| 9, Marden Crescent408 m away | 79 m² | 102 m² | +23 m² +29% | 2021 |
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| 4, Rosemary Close671 m away | 62 m² | 85 m² | +23 m² +37% | 2021 |
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| 118, Stanley Road410 m away | 69 m² | 92 m² | +23 m² +33% | 2019 |
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| 90, Kelvin Gardens391 m away | 57 m² | 80 m² | +23 m² +40% | 2014 |
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| 83, Rochford Way646 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
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| 14, Bishops Road871 m away | 78 m² | 100 m² | +22 m² +28% | 2026 |
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| 167, Handcroft Road959 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
|---|
| Flat 1, 119, Sutherland Road577 m away | 53 m² | 75 m² | +22 m² +42% | 2024 |
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| 7, Bute Road912 m away | 98 m² | 120 m² | +22 m² +22% | 2024 |
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| 668, London Road964 m away | 76 m² | 98 m² | +22 m² +29% | 2023 |
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| 75, Pemdevon Road768 m away | 86 m² | 108 m² | +22 m² +26% | 2021 |
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| 339, Thornton Road240 m away | 49 m² | 71 m² | +22 m² +45% | 2020 |
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| 48, Mayday Road921 m away | 27 m² | 49 m² | +22 m² +81% | 2020 |
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| 11, Kelling Gardens910 m away | 60 m² | 82 m² | +22 m² +37% | 2019 |
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| 13, Aurelia Road499 m away | 84 m² | 106 m² | +22 m² +26% | 2014 |
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| 87, Stanley Road430 m away | 72 m² | 94 m² | +22 m² +31% | 2010 |
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| 68, Cecil Road266 m away | 79 m² | 100 m² | +21 m² +27% | 2026 |
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| 90, Boston Road337 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
|---|
| 8, Pemdevon Road751 m away | 88 m² | 109 m² | +21 m² +24% | 2025 |
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| 237, Thornton Road396 m away | 62 m² | 83 m² | +21 m² +34% | 2024 |
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| 24, Wentworth Road467 m away | 74 m² | 95 m² | +21 m² +28% | 2024 |
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| 12, Stonecroft Way506 m away | 76 m² | 97 m² | +21 m² +28% | 2024 |
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| 42, Wentworth Road467 m away | 73 m² | 94 m² | +21 m² +29% | 2023 |
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| 30, Therapia Lane564 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
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| 24, Whitehall Road808 m away | 97 m² | 118 m² | +21 m² +22% | 2021 |
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| 3, Rosecourt Road283 m away | 70 m² | 91 m² | +21 m² +30% | 2016 |
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| 19, Addington Road768 m away | 54 m² | 75 m² | +21 m² +39% | 2015 |
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| 78, Sumner Road850 m away | 40 m² | 61 m² | +21 m² +53% | 2009 |
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| 56, Euston Road669 m away | 88 m² | 108 m² | +20 m² +23% | 2026 |
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| 5, Addington Road768 m away | 60 m² | 80 m² | +20 m² +33% | 2025 |
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| 27, Boston Road419 m away | 60 m² | 80 m² | +20 m² +33% | 2023 |
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| Flat 30, 386, London Road861 m away | 45 m² | 65 m² | +20 m² +44% | 2023 |
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| 45, Miller Road662 m away | 48 m² | 68 m² | +20 m² +42% | 2021 |
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| 102, Dennett Road670 m away | 71 m² | 91 m² | +20 m² +28% | 2019 |
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| 80, Ringwood Avenue356 m away | 77 m² | 97 m² | +20 m² +26% | 2015 |
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| 74, Canterbury Road491 m away | 106 m² | 126 m² | +20 m² +19% | 2012 |
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| 28, Rochford Way822 m away | 55 m² | 74 m² | +19 m² +35% | 2026 |
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| 44, Sumner Road850 m away | 58 m² | 77 m² | +19 m² +33% | 2026 |
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| 541, Mitcham Road630 m away | 79 m² | 98 m² | +19 m² +24% | 2025 |
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| 53, Dennett Road805 m away | 107 m² | 126 m² | +19 m² +18% | 2023 |
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| Newgate House, 431, London Road748 m away | 54 m² | 73 m² | +19 m² +35% | 2020 |
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| 71, Addington Road768 m away | 62 m² | 81 m² | +19 m² +31% | 2019 |
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| 39, Greenside Road721 m away | 83 m² | 102 m² | +19 m² +23% | 2018 |
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| Flat 18, 386, London Road861 m away | 45 m² | 64 m² | +19 m² +42% | 2010 |
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| Flat 1, 166, Canterbury Road185 m away | 48 m² | 66 m² | +18 m² +38% | 2026 |
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| 119, Boston Road307 m away | 81 m² | 99 m² | +18 m² +22% | 2026 |
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| 15, Lambeth Road788 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 112, Mitcham Road910 m away | 79 m² | 97 m² | +18 m² +23% | 2025 |
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| 17, Beddington Terrace82 m away | 60 m² | 78 m² | +18 m² +30% | 2024 |
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| 41, Tankerton Terrace400 m away | 21 m² | 39 m² | +18 m² +86% | 2024 |
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| 45, Stonecroft Way468 m away | 79 m² | 97 m² | +18 m² +23% | 2024 |
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| Ground Floor Flat, 66, Limpsfield Avenue896 m away | 45 m² | 63 m² | +18 m² +40% | 2023 |
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| 18, Cecil Road164 m away | 115 m² | 133 m² | +18 m² +16% | 2022 |
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| 21, Grafton Road970 m away | 103 m² | 121 m² | +18 m² +17% | 2022 |
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| 77, Fairholme Road620 m away | 23 m² | 41 m² | +18 m² +78% | 2019 |
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| 30, Westcombe Avenue205 m away | 78 m² | 96 m² | +18 m² +23% | 2015 |
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| Flat 15, Clifton House, 19, Campbell Road936 m away | 44 m² | 62 m² | +18 m² +41% | 2014 |
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| Flat 5, Dartmouth House, Elmwood Road956 m away | 26 m² | 44 m² | +18 m² +69% | 2014 |
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| 68, Harcourt Road477 m away | 69 m² | 87 m² | +18 m² +26% | 2013 |
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| 26, Stanley Grove597 m away | 78 m² | 96 m² | +18 m² +23% | 2013 |
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| 33, Miller Road662 m away | 72 m² | 90 m² | +18 m² +25% | 2012 |
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| 670, Mitcham Road890 m away | 76 m² | 94 m² | +18 m² +24% | 2011 |
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| 39, Harcourt Road540 m away | 78 m² | 96 m² | +18 m² +23% | 2010 |
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| 36, Westcombe Avenue205 m away | 87 m² | 104 m² | +17 m² +20% | 2026 |
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| 140, Kelvin Gardens434 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 22, Saffron Close635 m away | 108 m² | 125 m² | +17 m² +16% | 2025 |
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| 20, Pemdevon Road751 m away | 73 m² | 90 m² | +17 m² +23% | 2024 |
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| 76, Wentworth Road467 m away | 80 m² | 97 m² | +17 m² +21% | 2023 |
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| 225, Thornton Road621 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 405, Mitcham Road206 m away | 86 m² | 103 m² | +17 m² +20% | 2021 |
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| 43, Effingham Road360 m away | 73 m² | 90 m² | +17 m² +23% | 2020 |
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| 625, Mitcham Road828 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
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| Flat 37, 386, London Road861 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
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| 29, Greenside Road721 m away | 101 m² | 118 m² | +17 m² +17% | 2017 |
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| 58, Greenside Road607 m away | 100 m² | 117 m² | +17 m² +17% | 2014 |
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| 5, Chapman Road656 m away | 70 m² | 87 m² | +17 m² +24% | 2014 |
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| 326, Mitcham Road288 m away | 83 m² | 99 m² | +16 m² +19% | 2026 |
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| 112, Franklin Way490 m away | 40 m² | 56 m² | +16 m² +40% | 2026 |
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| 27, Therapia Lane564 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
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| 60, Wentworth Road467 m away | 95 m² | 111 m² | +16 m² +17% | 2023 |
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| 129, Wentworth Road524 m away | 70 m² | 86 m² | +16 m² +23% | 2022 |
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| 39, Rochford Way798 m away | 61 m² | 77 m² | +16 m² +26% | 2022 |
|---|
| 20, Aurelia Gardens641 m away | 52 m² | 68 m² | +16 m² +31% | 2021 |
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| 87, Fairholme Road620 m away | 84 m² | 100 m² | +16 m² +19% | 2019 |
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| 23, Marden Crescent408 m away | 59 m² | 75 m² | +16 m² +27% | 2018 |
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| 6, Keston Road619 m away | 74 m² | 90 m² | +16 m² +22% | 2018 |
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| 318, London Road944 m away | 27 m² | 43 m² | +16 m² +59% | 2018 |
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| 85, Wentworth Road498 m away | 78 m² | 94 m² | +16 m² +21% | 2017 |
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| 28, Sutherland Road528 m away | 75 m² | 91 m² | +16 m² +21% | 2017 |
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| 82, Cecil Road266 m away | 87 m² | 103 m² | +16 m² +18% | 2016 |
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| 58, Priory Road405 m away | 72 m² | 88 m² | +16 m² +22% | 2016 |
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| 22, Kelvin Gardens391 m away | 37 m² | 53 m² | +16 m² +43% | 2014 |
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| 165, Cecil Road395 m away | 65 m² | 81 m² | +16 m² +25% | 2013 |
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| 130, Pemdevon Road647 m away | 72 m² | 88 m² | +16 m² +22% | 2010 |
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| 9, Rosecourt Road283 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
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| 86, Mitcham Road910 m away | 57 m² | 72 m² | +15 m² +26% | 2024 |
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| Flat 12, Clifton House, 19, Campbell Road936 m away | 38 m² | 53 m² | +15 m² +39% | 2024 |
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| 64, Harcourt Road477 m away | 91 m² | 106 m² | +15 m² +16% | 2023 |
|---|
| 104, Wentworth Road491 m away | 98 m² | 113 m² | +15 m² +15% | 2023 |
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| 36, Midhurst Avenue655 m away | 81 m² | 96 m² | +15 m² +19% | 2022 |
|---|
| 11, Thomson Crescent694 m away | 83 m² | 98 m² | +15 m² +18% | 2021 |
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| 104, Canterbury Road362 m away | 45 m² | 60 m² | +15 m² +33% | 2019 |
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