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 RM6 5UE
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 |
|---|---|---|---|---|
| 397, Whalebone Lane North710 m away | 130 m² | 241 m² | +111 m² +85% | 2022 |
| 50, Tolworth Gardens157 m away | 92 m² | 182 m² | +90 m² +98% | 2024 |
| 1a, Hainault Gore607 m away | 67 m² | 156 m² | +89 m² +133% | 2021 |
| 45, Whalebone Grove805 m away | 96 m² | 180 m² | +84 m² +88% | 2023 |
| 58, Bede Road787 m away | 74 m² | 155 m² | +81 m² +109% | 2024 |
| 45, Padnall Road714 m away | 83 m² | 164 m² | +81 m² +98% | 2019 |
| 12, Adelaide Gardens295 m away | 75 m² | 155 m² | +80 m² +107% | 2024 |
| 243, High Road839 m away | 59 m² | 135 m² | +76 m² +129% | 2024 |
| 9, Alexandra Road534 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.
| 139 m² |
| 212 m² |
| +73 m² +53% |
| 2026 |
| 16, Gordon Road867 m away | 68 m² | 140 m² | +72 m² +106% | 2023 |
|---|
| 22, Norbury Gardens362 m away | 90 m² | 161 m² | +71 m² +79% | 2025 |
|---|
| 14, Somerville Road829 m away | 72 m² | 140 m² | +68 m² +94% | 2024 |
|---|
| 2, Norbury Gardens463 m away | 84 m² | 151 m² | +67 m² +80% | 2024 |
|---|
| 91, Havering Gardens321 m away | 129 m² | 193 m² | +64 m² +50% | 2020 |
|---|
| 214, Grove Road979 m away | 81 m² | 145 m² | +64 m² +79% | 2018 |
|---|
| 40, Gregory Road639 m away | 56 m² | 118 m² | +62 m² +111% | 2026 |
|---|
| 17, East Road412 m away | 85 m² | 147 m² | +62 m² +73% | 2022 |
|---|
| 13, Donald Drive787 m away | 118 m² | 179 m² | +61 m² +52% | 2026 |
|---|
| 1, East Park Close161 m away | 46 m² | 107 m² | +61 m² +133% | 2025 |
|---|
| 32, Tolworth Gardens157 m away | 68 m² | 129 m² | +61 m² +90% | 2021 |
|---|
| 4, Dunmow Close848 m away | 80 m² | 141 m² | +61 m² +76% | 2019 |
|---|
| 25, Alexandra Road534 m away | 59 m² | 118 m² | +59 m² +100% | 2025 |
|---|
| 51, Morley Road366 m away | 92 m² | 150 m² | +58 m² +63% | 2023 |
|---|
| 457, Whalebone Lane North656 m away | 83 m² | 141 m² | +58 m² +70% | 2022 |
|---|
| 117, Somerville Road613 m away | 81 m² | 138 m² | +57 m² +70% | 2026 |
|---|
| 34, West Road324 m away | 89 m² | 146 m² | +57 m² +64% | 2018 |
|---|
| 2, The Close353 m away | 84 m² | 141 m² | +57 m² +68% | 2016 |
|---|
| 118, Somerville Road546 m away | 79 m² | 135 m² | +56 m² +71% | 2024 |
|---|
| 9, Freshwell Avenue849 m away | 115 m² | 171 m² | +56 m² +49% | 2022 |
|---|
| 75, Norbury Gardens362 m away | 94 m² | 149 m² | +55 m² +59% | 2026 |
|---|
| 6, Henley Gardens179 m away | 67 m² | 122 m² | +55 m² +82% | 2023 |
|---|
| 47, Rochford Avenue786 m away | 90 m² | 144 m² | +54 m² +60% | 2026 |
|---|
| 503, Whalebone Lane North411 m away | 94 m² | 147 m² | +53 m² +56% | 2025 |
|---|
| 9, Hall Road704 m away | 96 m² | 149 m² | +53 m² +55% | 2016 |
|---|
| 56, Cecil Road947 m away | 97 m² | 149 m² | +52 m² +54% | 2024 |
|---|
| 31, Bengeo Gardens973 m away | 95 m² | 147 m² | +52 m² +55% | 2024 |
|---|
| 35, Bede Road787 m away | 88 m² | 139 m² | +51 m² +58% | 2015 |
|---|
| 26, Rochford Avenue871 m away | 101 m² | 151 m² | +50 m² +50% | 2026 |
|---|
| 23, Kings Avenue979 m away | 98 m² | 148 m² | +50 m² +51% | 2025 |
|---|
| 37, Donald Drive787 m away | 71 m² | 121 m² | +50 m² +70% | 2023 |
|---|
| 14, Melbourne Gardens276 m away | 66 m² | 116 m² | +50 m² +76% | 2021 |
|---|
| 90, Hall Road770 m away | 68 m² | 118 m² | +50 m² +74% | 2018 |
|---|
| 11, Melbourne Gardens276 m away | 78 m² | 127 m² | +49 m² +63% | 2016 |
|---|
| 36, Brian Road792 m away | 75 m² | 123 m² | +48 m² +64% | 2019 |
|---|
| 5, Brian Road792 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 139, Chadwell Heath Lane871 m away | 83 m² | 128 m² | +45 m² +54% | 2025 |
|---|
| 282, Chadwell Heath Lane919 m away | 124 m² | 169 m² | +45 m² +36% | 2022 |
|---|
| 209, Padnall Road435 m away | 98 m² | 142 m² | +44 m² +45% | 2024 |
|---|
| 509, Whalebone Lane North420 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
|---|
| 15, Ethel Cottages, Padnall Road752 m away | 79 m² | 122 m² | +43 m² +54% | 2026 |
|---|
| 90, East Road140 m away | 95 m² | 137 m² | +42 m² +44% | 2023 |
|---|
| 29, Bede Road787 m away | 72 m² | 114 m² | +42 m² +58% | 2023 |
|---|
| 32, Nash Road736 m away | 58 m² | 100 m² | +42 m² +72% | 2022 |
|---|
| 25, Rochford Avenue871 m away | 87 m² | 129 m² | +42 m² +48% | 2014 |
|---|
| 1, Brian Road792 m away | 74 m² | 115 m² | +41 m² +55% | 2023 |
|---|
| 11, Pemberton Gardens328 m away | 78 m² | 118 m² | +40 m² +51% | 2025 |
|---|
| 14, Fields Park Crescent484 m away | 84 m² | 124 m² | +40 m² +48% | 2025 |
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| 61, Portland Gardens83 m away | 83 m² | 123 m² | +40 m² +48% | 2024 |
|---|
| 14, East Park Close98 m away | 67 m² | 107 m² | +40 m² +60% | 2021 |
|---|
| 132, Somerville Road546 m away | 78 m² | 117 m² | +39 m² +50% | 2026 |
|---|
| 21, Sheepcotes Road481 m away | 63 m² | 102 m² | +39 m² +62% | 2025 |
|---|
| 4, Tantony Grove834 m away | 61 m² | 100 m² | +39 m² +64% | 2023 |
|---|
| 14, West Park Close163 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
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| 24, Pemberton Gardens328 m away | 100 m² | 139 m² | +39 m² +39% | 2015 |
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| 46, Thatches Grove636 m away | 70 m² | 107 m² | +37 m² +53% | 2026 |
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| Flat 4, Suffolk Court, Hevingham Drive999 m away | 36 m² | 73 m² | +37 m² +103% | 2023 |
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| 10, Adelaide Gardens295 m away | 86 m² | 123 m² | +37 m² +43% | 2019 |
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| 8, Edgar Road933 m away | 94 m² | 131 m² | +37 m² +39% | 2018 |
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| 102, Gregory Road700 m away | 58 m² | 94 m² | +36 m² +62% | 2014 |
|---|
| 41, Eastern Avenue West311 m away | 101 m² | 136 m² | +35 m² +35% | 2026 |
|---|
| 61, Kings Avenue979 m away | 92 m² | 127 m² | +35 m² +38% | 2026 |
|---|
| 26, Brian Road792 m away | 64 m² | 99 m² | +35 m² +55% | 2024 |
|---|
| 3, Dunmow Close848 m away | 79 m² | 114 m² | +35 m² +44% | 2016 |
|---|
| 73a, Eric Road902 m away | 76 m² | 111 m² | +35 m² +46% | 2014 |
|---|
| 10, East Road412 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
|---|
| 11a, Jarrow Road786 m away | 97 m² | 130 m² | +33 m² +34% | 2025 |
|---|
| 11, Woodlands Avenue897 m away | 88 m² | 121 m² | +33 m² +38% | 2024 |
|---|
| 15, Havering Gardens178 m away | 81 m² | 114 m² | +33 m² +41% | 2023 |
|---|
| 47, Donald Drive787 m away | 86 m² | 119 m² | +33 m² +38% | 2022 |
|---|
| 216a, High Road872 m away | 47 m² | 79 m² | +32 m² +68% | 2024 |
|---|
| 40, Geneva Gardens306 m away | 70 m² | 102 m² | +32 m² +46% | 2023 |
|---|
| 2, Charles Road877 m away | 81 m² | 113 m² | +32 m² +40% | 2023 |
|---|
| 37, Cavalier Close690 m away | 84 m² | 116 m² | +32 m² +38% | 2019 |
|---|
| 26, Freshwell Avenue845 m away | 87 m² | 119 m² | +32 m² +37% | 2018 |
|---|
| 14, Lansbury Avenue409 m away | 85 m² | 116 m² | +31 m² +36% | 2023 |
|---|
| 3, Kelly Way380 m away | 71 m² | 102 m² | +31 m² +44% | 2019 |
|---|
| 24, Cavendish Gardens424 m away | 145 m² | 176 m² | +31 m² +21% | 2019 |
|---|
| 20, Arthur Road901 m away | 87 m² | 118 m² | +31 m² +36% | 2015 |
|---|
| 53, Rochford Avenue786 m away | 87 m² | 117 m² | +30 m² +34% | 2024 |
|---|
| 33, Eric Road913 m away | 115 m² | 145 m² | +30 m² +26% | 2024 |
|---|
| 513, Whalebone Lane North420 m away | 98 m² | 128 m² | +30 m² +31% | 2022 |
|---|
| 38, Adelaide Gardens169 m away | 104 m² | 133 m² | +29 m² +28% | 2026 |
|---|
| 17, Tolworth Gardens133 m away | 90 m² | 119 m² | +29 m² +32% | 2025 |
|---|
| 53, Whalebone Grove805 m away | 103 m² | 132 m² | +29 m² +28% | 2024 |
|---|
| 13, Sylvan Avenue955 m away | 82 m² | 111 m² | +29 m² +35% | 2017 |
|---|
| 27, Chafford Way982 m away | 79 m² | 108 m² | +29 m² +37% | 2014 |
|---|
| 58, Freshwell Avenue845 m away | 78 m² | 106 m² | +28 m² +36% | 2024 |
|---|
| 465, Whalebone Lane North656 m away | 95 m² | 123 m² | +28 m² +29% | 2023 |
|---|
| 14, Canon Avenue576 m away | 89 m² | 117 m² | +28 m² +31% | 2019 |
|---|
| 188, Grove Road979 m away | 82 m² | 110 m² | +28 m² +34% | 2019 |
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| 19, Mayfair Avenue630 m away | 104 m² | 132 m² | +28 m² +27% | 2010 |
|---|
| 63, Morley Road267 m away | 79 m² | 106 m² | +27 m² +34% | 2026 |
|---|
| 216, Chadwell Heath Lane919 m away | 90 m² | 117 m² | +27 m² +30% | 2026 |
|---|
| 32b, Albany Road929 m away | 42 m² | 69 m² | +27 m² +64% | 2021 |
|---|
| 1219 - 1221, High Road985 m away | 52 m² | 79 m² | +27 m² +52% | 2021 |
|---|
| 4e, The Pinnacles, 156 - 162, High Road825 m away | 54 m² | 81 m² | +27 m² +50% | 2020 |
|---|
| 56, Tolworth Gardens157 m away | 87 m² | 114 m² | +27 m² +31% | 2014 |
|---|
| 23, Gregory Road639 m away | 77 m² | 103 m² | +26 m² +34% | 2026 |
|---|
| 6, Kelly Way380 m away | 85 m² | 111 m² | +26 m² +31% | 2024 |
|---|
| 31, Hall Road770 m away | 95 m² | 121 m² | +26 m² +27% | 2024 |
|---|
| 8, Whalebone Avenue687 m away | 74 m² | 100 m² | +26 m² +35% | 2023 |
|---|
| 5, West Park Close163 m away | 102 m² | 128 m² | +26 m² +25% | 2021 |
|---|
| 37, Thatches Grove636 m away | 74 m² | 100 m² | +26 m² +35% | 2021 |
|---|
| 53, Chadville Gardens171 m away | 77 m² | 103 m² | +26 m² +34% | 2015 |
|---|
| 32, Rochford Avenue871 m away | 92 m² | 117 m² | +25 m² +27% | 2025 |
|---|
| 11, Sylvan Avenue955 m away | 89 m² | 114 m² | +25 m² +28% | 2025 |
|---|
| 3, Cecil Road992 m away | 86 m² | 111 m² | +25 m² +29% | 2024 |
|---|
| 4, Tolworth Gardens157 m away | 85 m² | 110 m² | +25 m² +29% | 2023 |
|---|
| 32, Brian Road792 m away | 86 m² | 111 m² | +25 m² +29% | 2023 |
|---|
| 4, Melbourne Gardens234 m away | 60 m² | 85 m² | +25 m² +42% | 2022 |
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| 27, Beresford Gardens432 m away | 87 m² | 112 m² | +25 m² +29% | 2021 |
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| 3, Lake Road454 m away | 69 m² | 94 m² | +25 m² +36% | 2020 |
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| 12, Dairy Mews964 m away | 47 m² | 72 m² | +25 m² +53% | 2020 |
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| 20, Portland Gardens100 m away | 60 m² | 85 m² | +25 m² +42% | 2009 |
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| 13, Melbourne Gardens276 m away | 84 m² | 108 m² | +24 m² +29% | 2025 |
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| 1, Chadville Gardens440 m away | 84 m² | 108 m² | +24 m² +29% | 2025 |
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| 153, Brian Road612 m away | 82 m² | 106 m² | +24 m² +29% | 2025 |
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| 36, Chadville Gardens354 m away | 80 m² | 104 m² | +24 m² +30% | 2024 |
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| 4, Ashbury Gardens417 m away | 78 m² | 102 m² | +24 m² +31% | 2024 |
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| 58, Jarrow Road705 m away | 89 m² | 113 m² | +24 m² +27% | 2024 |
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| 7, Tenby Road720 m away | 48 m² | 72 m² | +24 m² +50% | 2023 |
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| 40, Bakery Close822 m away | 125 m² | 149 m² | +24 m² +19% | 2023 |
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| 65, Freshwell Avenue849 m away | 159 m² | 183 m² | +24 m² +15% | 2022 |
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| 17, West Road324 m away | 78 m² | 102 m² | +24 m² +31% | 2021 |
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| 39, Chadville Gardens171 m away | 70 m² | 94 m² | +24 m² +34% | 2019 |
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| 61, Mill Lane518 m away | 134 m² | 157 m² | +23 m² +17% | 2022 |
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| 58, Hall Road770 m away | 137 m² | 160 m² | +23 m² +17% | 2022 |
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| 17, Tenby Road720 m away | 100 m² | 123 m² | +23 m² +23% | 2019 |
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| 42, Sylvan Avenue955 m away | 109 m² | 131 m² | +22 m² +20% | 2025 |
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| 34, Longhayes Avenue555 m away | 81 m² | 103 m² | +22 m² +27% | 2024 |
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| 108, Chadwell Heath Lane888 m away | 50 m² | 72 m² | +22 m² +44% | 2024 |
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| 11, Hathaway Gardens267 m away | 101 m² | 123 m² | +22 m² +22% | 2022 |
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| 62, Pemberton Gardens191 m away | 59 m² | 81 m² | +22 m² +37% | 2021 |
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| 10, Willow Road549 m away | 91 m² | 113 m² | +22 m² +24% | 2021 |
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| 47, Hathaway Gardens267 m away | 133 m² | 155 m² | +22 m² +17% | 2014 |
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| 468b, Whalebone Lane North754 m away | 33 m² | 55 m² | +22 m² +67% | 2012 |
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| 83, Mill Lane484 m away | 71 m² | 92 m² | +21 m² +30% | 2026 |
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| 41, Chadwell Heath Lane870 m away | 81 m² | 102 m² | +21 m² +26% | 2025 |
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| 61, Adelaide Gardens169 m away | 82 m² | 103 m² | +21 m² +26% | 2022 |
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| 8, Wadeville Avenue936 m away | 97 m² | 118 m² | +21 m² +22% | 2022 |
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| 8, Canon Avenue576 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
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| 5, Morley Road366 m away | 86 m² | 107 m² | +21 m² +24% | 2019 |
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| 65, Whalebone Grove853 m away | 81 m² | 102 m² | +21 m² +26% | 2017 |
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| 19a, Chadwell Heath Lane851 m away | 70 m² | 91 m² | +21 m² +30% | 2015 |
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| 18a, High Road889 m away | 60 m² | 81 m² | +21 m² +35% | 2014 |
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| 80, Hall Road770 m away | 95 m² | 116 m² | +21 m² +22% | 2013 |
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| 49, Chadville Gardens171 m away | 73 m² | 93 m² | +20 m² +27% | 2024 |
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| 199, Rose Lane851 m away | 62 m² | 82 m² | +20 m² +32% | 2022 |
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| 117, Padnall Road510 m away | 127 m² | 147 m² | +20 m² +16% | 2020 |
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| 93, Padnall Road510 m away | 83 m² | 103 m² | +20 m² +24% | 2018 |
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| 21, South Road422 m away | 72 m² | 92 m² | +20 m² +28% | 2014 |
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| 302, Chadwell Heath Lane874 m away | 88 m² | 108 m² | +20 m² +23% | 2013 |
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| 152, Chadwell Heath Lane871 m away | 68 m² | 87 m² | +19 m² +28% | 2026 |
|---|
| 73, Chadville Gardens171 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
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| 3, Morley Road366 m away | 82 m² | 101 m² | +19 m² +23% | 2025 |
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| 125, Chadwell Heath Lane871 m away | 82 m² | 101 m² | +19 m² +23% | 2025 |
|---|
| 5, Kelly Way380 m away | 83 m² | 102 m² | +19 m² +23% | 2023 |
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| 34, Park Lane747 m away | 61 m² | 80 m² | +19 m² +31% | 2022 |
|---|
| 58, Chadwell Heath Lane870 m away | 93 m² | 112 m² | +19 m² +20% | 2021 |
|---|
| Flat 10, Suffolk Court, Hevingham Drive999 m away | 33 m² | 52 m² | +19 m² +58% | 2021 |
|---|
| 43, Coral Close891 m away | 86 m² | 105 m² | +19 m² +22% | 2019 |
|---|
| 50, Thatches Grove683 m away | 88 m² | 107 m² | +19 m² +22% | 2014 |
|---|
| 6, Whalebone Avenue687 m away | 92 m² | 111 m² | +19 m² +21% | 2014 |
|---|
| 14, Bede Road787 m away | 77 m² | 96 m² | +19 m² +25% | 2013 |
|---|
| 1d, Pemberton Gardens328 m away | 112 m² | 130 m² | +18 m² +16% | 2025 |
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| 64, Cecil Road947 m away | 82 m² | 100 m² | +18 m² +22% | 2025 |
|---|
| 60, West Road463 m away | 70 m² | 88 m² | +18 m² +26% | 2024 |
|---|
| 61, Padnall Road510 m away | 100 m² | 118 m² | +18 m² +18% | 2023 |
|---|
| 62, Shepherds Close348 m away | 68 m² | 86 m² | +18 m² +26% | 2021 |
|---|
| 27, Mayfair Avenue630 m away | 88 m² | 106 m² | +18 m² +20% | 2020 |
|---|
| 14, Henley Gardens179 m away | 76 m² | 93 m² | +17 m² +22% | 2025 |
|---|
| 4, Havering Gardens216 m away | 82 m² | 99 m² | +17 m² +21% | 2025 |
|---|
| 46, Ashton Gardens673 m away | 98 m² | 115 m² | +17 m² +17% | 2025 |
|---|
| 50, Woodrush Way537 m away | 61 m² | 78 m² | +17 m² +28% | 2024 |
|---|
| 4, Roles Grove595 m away | 79 m² | 96 m² | +17 m² +22% | 2024 |
|---|
| Flat 32, Suffolk Court, Hevingham Drive999 m away | 51 m² | 68 m² | +17 m² +33% | 2023 |
|---|
| 62, Geneva Gardens157 m away | 88 m² | 105 m² | +17 m² +19% | 2016 |
|---|
| 47, Padnall Road510 m away | 83 m² | 100 m² | +17 m² +20% | 2016 |
|---|
| 61, Lansbury Avenue409 m away | 101 m² | 118 m² | +17 m² +17% | 2015 |
|---|
| 6, Farrance Road914 m away | 92 m² | 109 m² | +17 m² +18% | 2015 |
|---|
| 7, Kelly Way380 m away | 72 m² | 89 m² | +17 m² +24% | 2013 |
|---|
| 51, Padnall Road510 m away | 83 m² | 99 m² | +16 m² +19% | 2026 |
|---|
| 14, Tenby Close722 m away | 49 m² | 65 m² | +16 m² +33% | 2026 |
|---|
| 36, Tolworth Gardens157 m away | 63 m² | 79 m² | +16 m² +25% | 2024 |
|---|
| 66, Whalebone Grove805 m away | 95 m² | 111 m² | +16 m² +17% | 2024 |
|---|
| 4, West Park Close163 m away | 70 m² | 86 m² | +16 m² +23% | 2023 |
|---|
| 71, Chadville Gardens171 m away | 71 m² | 87 m² | +16 m² +23% | 2023 |
|---|
| 335, Whalebone Lane South946 m away | 74 m² | 90 m² | +16 m² +22% | 2023 |
|---|
| 44, Arneways Avenue746 m away | 62 m² | 78 m² | +16 m² +26% | 2021 |
|---|
| 9, Kings Avenue979 m away | 97 m² | 113 m² | +16 m² +16% | 2021 |
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