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 RM1 4DD
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 |
|---|---|---|---|---|
| 26, Park Drive254 m away | 162 m² | 328 m² | +166 m² +102% | 2018 |
| 33, Oaklands Avenue508 m away | 145 m² | 297 m² | +152 m² +105% | 2023 |
| 88, Eastern Avenue East956 m away | 106 m² | 225 m² | +119 m² +112% | 2025 |
| 50, Mashiters Walk614 m away | 112 m² | 231 m² | +119 m² +106% | 2021 |
| 123a, Pettits Lane950 m away | 94 m² | 205 m² | +111 m² +118% | 2025 |
| 1, Ivey Villas, 62, Brooklands Road501 m away | 98 m² | 195 m² | +97 m² +99% | 2022 |
| 20, Park Drive254 m away | 160 m² | 256 m² | +96 m² +60% | 2025 |
| 52, Mashiters Walk614 m away | 92 m² | 185 m² | +93 m² +101% | 2019 |
| 30, Lake Rise890 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.
| 119 m² |
| 209 m² |
| +90 m² +76% |
| 2026 |
| 84, Pettits Lane862 m away | 148 m² | 235 m² | +87 m² +59% | 2023 |
|---|
| 111, Parkside Avenue889 m away | 85 m² | 171 m² | +86 m² +101% | 2021 |
|---|
| 15, The Avenue303 m away | 93 m² | 178 m² | +85 m² +91% | 2023 |
|---|
| 34, Knightsbridge Gardens562 m away | 74 m² | 156 m² | +82 m² +111% | 2019 |
|---|
| 51, Mawney Road480 m away | 104 m² | 185 m² | +81 m² +78% | 2015 |
|---|
| 37, Havering Drive547 m away | 139 m² | 216 m² | +77 m² +55% | 2020 |
|---|
| 86, Mawney Road725 m away | 125 m² | 199 m² | +74 m² +59% | 2016 |
|---|
| 32, Pettits Lane687 m away | 91 m² | 160 m² | +69 m² +76% | 2025 |
|---|
| 57, Eastern Avenue East968 m away | 60 m² | 129 m² | +69 m² +115% | 2016 |
|---|
| 47, Hainault Road717 m away | 93 m² | 160 m² | +67 m² +72% | 2024 |
|---|
| 61, Marshalls Drive874 m away | 87 m² | 154 m² | +67 m² +77% | 2022 |
|---|
| 14, Lodge Avenue956 m away | 95 m² | 161 m² | +66 m² +69% | 2024 |
|---|
| 109, Pettits Lane862 m away | 100 m² | 165 m² | +65 m² +65% | 2025 |
|---|
| 58, Carlton Road939 m away | 86 m² | 150 m² | +64 m² +74% | 2025 |
|---|
| 37, Kingston Road775 m away | 97 m² | 160 m² | +63 m² +65% | 2023 |
|---|
| 36a, Lodge Avenue956 m away | 92 m² | 153 m² | +61 m² +66% | 2013 |
|---|
| 34, Poplar Street870 m away | 88 m² | 148 m² | +60 m² +68% | 2024 |
|---|
| 30, Pretoria Road942 m away | 92 m² | 152 m² | +60 m² +65% | 2023 |
|---|
| 9, Alexandra Road910 m away | 71 m² | 131 m² | +60 m² +85% | 2021 |
|---|
| 6, Erroll Road728 m away | 104 m² | 163 m² | +59 m² +57% | 2026 |
|---|
| 21, The Avenue303 m away | 94 m² | 153 m² | +59 m² +63% | 2023 |
|---|
| 25, The Chase540 m away | 116 m² | 174 m² | +58 m² +50% | 2024 |
|---|
| 2, Pettley Gardens487 m away | 51 m² | 109 m² | +58 m² +114% | 2022 |
|---|
| 104, Como Street446 m away | 87 m² | 143 m² | +56 m² +64% | 2025 |
|---|
| 102, Marks Road714 m away | 92 m² | 148 m² | +56 m² +61% | 2024 |
|---|
| 104, Seymer Road610 m away | 83 m² | 138 m² | +55 m² +66% | 2026 |
|---|
| 25, Linden Street226 m away | 163 m² | 217 m² | +54 m² +33% | 2025 |
|---|
| 45, Pettits Lane687 m away | 121 m² | 173 m² | +52 m² +43% | 2020 |
|---|
| 118, London Road795 m away | 81 m² | 132 m² | +51 m² +63% | 2026 |
|---|
| 28, Lodge Avenue956 m away | 97 m² | 148 m² | +51 m² +53% | 2018 |
|---|
| 4, Lofthaus Apartments, 47a, Market Place171 m away | 75 m² | 125 m² | +50 m² +67% | 2026 |
|---|
| 114, North Street212 m away | 75 m² | 124 m² | +49 m² +65% | 2022 |
|---|
| 11, Recreation Avenue908 m away | 73 m² | 119 m² | +46 m² +63% | 2023 |
|---|
| 59, Willow Street660 m away | 75 m² | 121 m² | +46 m² +61% | 2018 |
|---|
| 4, Lake Rise890 m away | 144 m² | 190 m² | +46 m² +32% | 2014 |
|---|
| 7, Pretoria Road967 m away | 74 m² | 119 m² | +45 m² +61% | 2026 |
|---|
| 143, Lodge Avenue973 m away | 103 m² | 148 m² | +45 m² +44% | 2025 |
|---|
| 49, Junction Road714 m away | 205 m² | 250 m² | +45 m² +22% | 2010 |
|---|
| 12, Mashiters Walk468 m away | 100 m² | 143 m² | +43 m² +43% | 2025 |
|---|
| 38, Mawney Road387 m away | 126 m² | 169 m² | +43 m² +34% | 2023 |
|---|
| 24, Lodge Avenue956 m away | 99 m² | 142 m² | +43 m² +43% | 2022 |
|---|
| 137, Marks Road805 m away | 37 m² | 80 m² | +43 m² +116% | 2018 |
|---|
| 3, Pettits Lane633 m away | 139 m² | 181 m² | +42 m² +30% | 2024 |
|---|
| 62, Havering Drive547 m away | 88 m² | 130 m² | +42 m² +48% | 2021 |
|---|
| 62, Fontayne Avenue929 m away | 86 m² | 127 m² | +41 m² +48% | 2025 |
|---|
| 61, Lodge Avenue953 m away | 92 m² | 133 m² | +41 m² +45% | 2022 |
|---|
| Squirrels Lodge, 2a, Havering Drive355 m away | 193 m² | 234 m² | +41 m² +21% | 2021 |
|---|
| 14, Poplar Street870 m away | 82 m² | 123 m² | +41 m² +50% | 2021 |
|---|
| 64, Cotleigh Road847 m away | 67 m² | 106 m² | +39 m² +58% | 2026 |
|---|
| 12, Erroll Road728 m away | 86 m² | 125 m² | +39 m² +45% | 2024 |
|---|
| 78, Seymer Road610 m away | 40 m² | 79 m² | +39 m² +98% | 2022 |
|---|
| 87, Parkside Avenue889 m away | 74 m² | 112 m² | +38 m² +51% | 2025 |
|---|
| 22, Oaklands Avenue508 m away | 147 m² | 184 m² | +37 m² +25% | 2024 |
|---|
| 122, Pettits Lane950 m away | 100 m² | 136 m² | +36 m² +36% | 2021 |
|---|
| 9, Oak Street919 m away | 78 m² | 113 m² | +35 m² +45% | 2026 |
|---|
| 15, Dickens Way371 m away | 198 m² | 233 m² | +35 m² +18% | 2022 |
|---|
| 38, Woodlands Road775 m away | 63 m² | 98 m² | +35 m² +56% | 2019 |
|---|
| 98, Marks Road714 m away | 94 m² | 129 m² | +35 m² +37% | 2017 |
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| 86, Mashiters Walk737 m away | 94 m² | 128 m² | +34 m² +36% | 2026 |
|---|
| 35a, Lodge Avenue880 m away | 70 m² | 104 m² | +34 m² +49% | 2026 |
|---|
| 53, Mcintosh Road629 m away | 114 m² | 148 m² | +34 m² +30% | 2024 |
|---|
| 10, Maple Street760 m away | 113 m² | 147 m² | +34 m² +30% | 2022 |
|---|
| 6, Barkwood Close780 m away | 43 m² | 77 m² | +34 m² +79% | 2022 |
|---|
| 115, Cedar Road824 m away | 102 m² | 136 m² | +34 m² +33% | 2020 |
|---|
| Flat 36, Omega Court, 140, London Road869 m away | 54 m² | 88 m² | +34 m² +63% | 2013 |
|---|
| 127, Mawney Road906 m away | 114 m² | 147 m² | +33 m² +29% | 2024 |
|---|
| 48, Woodlands Road775 m away | 156 m² | 189 m² | +33 m² +21% | 2022 |
|---|
| 100, London Road795 m away | 93 m² | 126 m² | +33 m² +35% | 2022 |
|---|
| 144, Mildmay Road847 m away | 96 m² | 128 m² | +32 m² +33% | 2023 |
|---|
| 42, Eastbury Road965 m away | 66 m² | 98 m² | +32 m² +48% | 2022 |
|---|
| 121, Parkside Avenue889 m away | 45 m² | 77 m² | +32 m² +71% | 2020 |
|---|
| 20, Erroll Road728 m away | 137 m² | 168 m² | +31 m² +23% | 2021 |
|---|
| 113, Parkside Avenue889 m away | 63 m² | 94 m² | +31 m² +49% | 2012 |
|---|
| 27, Woodlands Road775 m away | 91 m² | 121 m² | +30 m² +33% | 2025 |
|---|
| 11, Junction Road579 m away | 21 m² | 51 m² | +30 m² +143% | 2021 |
|---|
| 64, South Street436 m away | 52 m² | 82 m² | +30 m² +58% | 2020 |
|---|
| 135, Pettits Lane950 m away | 93 m² | 123 m² | +30 m² +32% | 2019 |
|---|
| 157, Index Apartments, Mercury Gardens417 m away | 70 m² | 99 m² | +29 m² +41% | 2022 |
|---|
| 5, Pretoria Road967 m away | 87 m² | 116 m² | +29 m² +33% | 2022 |
|---|
| 16, Havering Drive355 m away | 120 m² | 149 m² | +29 m² +24% | 2021 |
|---|
| 81, Pretoria Road997 m away | 146 m² | 175 m² | +29 m² +20% | 2021 |
|---|
| 110, London Road795 m away | 79 m² | 108 m² | +29 m² +37% | 2020 |
|---|
| 71, Marshalls Drive988 m away | 56 m² | 85 m² | +29 m² +52% | 2014 |
|---|
| 17, George Street948 m away | 58 m² | 87 m² | +29 m² +50% | 2011 |
|---|
| 41, Verve Apartments, 5, Mercury Gardens552 m away | 32 m² | 60 m² | +28 m² +88% | 2026 |
|---|
| 135, Dorset Avenue672 m away | 126 m² | 154 m² | +28 m² +22% | 2026 |
|---|
| 10, Beech Street696 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
|---|
| 31, Malt House Place356 m away | 56 m² | 84 m² | +28 m² +50% | 2021 |
|---|
| 66, Cedar Road770 m away | 80 m² | 108 m² | +28 m² +35% | 2016 |
|---|
| 169, North Street483 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
|---|
| 43, Mawney Road480 m away | 94 m² | 121 m² | +27 m² +29% | 2024 |
|---|
| 24, Kingsmead Avenue896 m away | 95 m² | 122 m² | +27 m² +28% | 2023 |
|---|
| 69a, London Road665 m away | 40 m² | 67 m² | +27 m² +68% | 2010 |
|---|
| Carlisle House, 198, Victoria Road922 m away | 38 m² | 64 m² | +26 m² +68% | 2026 |
|---|
| 38, Marshalls Drive832 m away | 72 m² | 98 m² | +26 m² +36% | 2022 |
|---|
| 184, North Street352 m away | 142 m² | 168 m² | +26 m² +18% | 2021 |
|---|
| 2, Raphael Avenue996 m away | 126 m² | 152 m² | +26 m² +21% | 2017 |
|---|
| 12, Rosemary Avenue853 m away | 144 m² | 169 m² | +25 m² +17% | 2023 |
|---|
| 143a, Mawney Road906 m away | 35 m² | 60 m² | +25 m² +71% | 2021 |
|---|
| 32, Como Street318 m away | 107 m² | 132 m² | +25 m² +23% | 2019 |
|---|
| 20, Maxim Tower, Mercury Gardens374 m away | 39 m² | 64 m² | +25 m² +64% | 2015 |
|---|
| 23, Palm Road847 m away | 138 m² | 162 m² | +24 m² +17% | 2026 |
|---|
| 125, Lodge Avenue953 m away | 101 m² | 125 m² | +24 m² +24% | 2025 |
|---|
| 34, George Street972 m away | 68 m² | 92 m² | +24 m² +35% | 2025 |
|---|
| 94, Seymer Road610 m away | 76 m² | 100 m² | +24 m² +32% | 2024 |
|---|
| 11, Vine Street664 m away | 79 m² | 103 m² | +24 m² +30% | 2024 |
|---|
| 5, Olive Street334 m away | 98 m² | 122 m² | +24 m² +24% | 2023 |
|---|
| 6, Woodlands Road775 m away | 103 m² | 127 m² | +24 m² +23% | 2021 |
|---|
| 4a, Carlton Road836 m away | 40 m² | 64 m² | +24 m² +60% | 2021 |
|---|
| Flat 20, Southbury Court, South Street828 m away | 57 m² | 81 m² | +24 m² +42% | 2020 |
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| Flat 62, Nayland Court, Market Place196 m away | 68 m² | 92 m² | +24 m² +35% | 2018 |
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| 92, Eastern Road733 m away | 29 m² | 53 m² | +24 m² +83% | 2017 |
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| 93, Seymer Road675 m away | 80 m² | 104 m² | +24 m² +30% | 2013 |
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| 85, Mawney Road648 m away | 150 m² | 174 m² | +24 m² +16% | 2009 |
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| 49, Brooklands Road501 m away | 77 m² | 100 m² | +23 m² +30% | 2026 |
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| 4, Aveley Road145 m away | 74 m² | 97 m² | +23 m² +31% | 2025 |
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| 116, Pettits Lane950 m away | 136 m² | 159 m² | +23 m² +17% | 2021 |
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| 32, Kingston Road775 m away | 143 m² | 166 m² | +23 m² +16% | 2019 |
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| 4, Gloucester Road947 m away | 82 m² | 105 m² | +23 m² +28% | 2019 |
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| 106, Mildmay Road847 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
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| 64, Exon Apartments, Mercury Gardens371 m away | 54 m² | 76 m² | +22 m² +41% | 2024 |
|---|
| 35, Eastern Avenue East885 m away | 65 m² | 87 m² | +22 m² +34% | 2024 |
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| Apartment 5, Rubicon Court, 21 - 23, North Street152 m away | 43 m² | 65 m² | +22 m² +51% | 2019 |
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| 22, The Avenue303 m away | 117 m² | 139 m² | +22 m² +19% | 2017 |
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| Scimitar House, 23, Eastern Road626 m away | 46 m² | 68 m² | +22 m² +48% | 2016 |
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| 7, Lodge Avenue880 m away | 85 m² | 107 m² | +22 m² +26% | 2012 |
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| 105, Mashiters Walk841 m away | 98 m² | 119 m² | +21 m² +21% | 2025 |
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| Flat 3, Graveney Court, Riverside Close434 m away | 53 m² | 74 m² | +21 m² +40% | 2023 |
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| 85, Dorset Avenue672 m away | 96 m² | 117 m² | +21 m² +22% | 2023 |
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| 24, Honiton Road856 m away | 69 m² | 90 m² | +21 m² +30% | 2023 |
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| 9, Beech Street696 m away | 111 m² | 132 m² | +21 m² +19% | 2022 |
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| 6, Hainault Road717 m away | 66 m² | 87 m² | +21 m² +32% | 2021 |
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| Flat 1, Hill Court, Main Road656 m away | 60 m² | 81 m² | +21 m² +35% | 2020 |
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| 94, Dorset Avenue672 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
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| Flat 10, The Metro 50-56, Victoria Road805 m away | 56 m² | 77 m² | +21 m² +38% | 2019 |
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| 8, Malt House Place356 m away | 40 m² | 61 m² | +21 m² +53% | 2016 |
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| Flat 1, Jane Court, Victoria Road809 m away | 46 m² | 67 m² | +21 m² +46% | 2016 |
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| 5, Hill Grove788 m away | 91 m² | 111 m² | +20 m² +22% | 2025 |
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| 18, Richards Avenue996 m away | 72 m² | 92 m² | +20 m² +28% | 2024 |
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| 12, Richards Avenue996 m away | 70 m² | 90 m² | +20 m² +29% | 2023 |
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| Flat 6, Chartwell Place, Junction Road513 m away | 65 m² | 85 m² | +20 m² +31% | 2022 |
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| 13, Pretoria Road967 m away | 105 m² | 125 m² | +20 m² +19% | 2022 |
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| 31, Rosedale Road925 m away | 100 m² | 120 m² | +20 m² +20% | 2018 |
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| Flat 5, Jane Court, Victoria Road809 m away | 47 m² | 67 m² | +20 m² +43% | 2016 |
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| 7, The Avenue303 m away | 129 m² | 149 m² | +20 m² +16% | 2014 |
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| 69a, Mildmay Road872 m away | 67 m² | 87 m² | +20 m² +30% | 2014 |
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| 27, Maxim Tower, Mercury Gardens374 m away | 40 m² | 60 m² | +20 m² +50% | 2011 |
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| 14, Beech Street696 m away | 77 m² | 96 m² | +19 m² +25% | 2024 |
|---|
| Flat 38, Pulse Court, Maxwell Road928 m away | 65 m² | 84 m² | +19 m² +29% | 2023 |
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| 22, Knightsbridge Gardens562 m away | 76 m² | 95 m² | +19 m² +25% | 2021 |
|---|
| Flat 71, Omega Court, 140, London Road869 m away | 90 m² | 109 m² | +19 m² +21% | 2021 |
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| 50, Recreation Avenue908 m away | 58 m² | 77 m² | +19 m² +33% | 2020 |
|---|
| 150, Marks Road951 m away | 68 m² | 87 m² | +19 m² +28% | 2020 |
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| 7, Yew Tree Gardens472 m away | 89 m² | 108 m² | +19 m² +21% | 2019 |
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| 8, Alexandra Road910 m away | 90 m² | 109 m² | +19 m² +21% | 2017 |
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| 91, Dorset Avenue672 m away | 93 m² | 112 m² | +19 m² +20% | 2016 |
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| Flat 5, Gibson Court, Regarth Avenue874 m away | 37 m² | 56 m² | +19 m² +51% | 2013 |
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| 96, Como Street446 m away | 103 m² | 121 m² | +18 m² +17% | 2025 |
|---|
| 25, Eastbury Road965 m away | 58 m² | 76 m² | +18 m² +31% | 2025 |
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| Flat 8, Chartwell Place, Junction Road513 m away | 47 m² | 65 m² | +18 m² +38% | 2024 |
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| Flat 11, Magnolia Court, 31, Mawney Road480 m away | 66 m² | 84 m² | +18 m² +27% | 2023 |
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| 11, Kingston Road702 m away | 55 m² | 73 m² | +18 m² +33% | 2022 |
|---|
| 32, Malt House Place356 m away | 41 m² | 59 m² | +18 m² +44% | 2020 |
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| 117, Dorset Avenue672 m away | 78 m² | 96 m² | +18 m² +23% | 2020 |
|---|
| Flat 11, Fernleigh Court, 95, Mawney Road752 m away | 38 m² | 56 m² | +18 m² +47% | 2016 |
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| Flat 20, Calder Court, Riverside Close406 m away | 44 m² | 62 m² | +18 m² +41% | 2009 |
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| 12, Medora Road435 m away | 109 m² | 126 m² | +17 m² +16% | 2026 |
|---|
| Flat 7, Amber Court, High Street318 m away | 41 m² | 58 m² | +17 m² +41% | 2025 |
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| 70, Mildmay Road696 m away | 81 m² | 98 m² | +17 m² +21% | 2023 |
|---|
| 4, Hainault Road717 m away | 75 m² | 92 m² | +17 m² +23% | 2023 |
|---|
| 66, Exon Apartments, Mercury Gardens371 m away | 32 m² | 49 m² | +17 m² +53% | 2021 |
|---|
| 57, Parkside Avenue767 m away | 84 m² | 101 m² | +17 m² +20% | 2021 |
|---|
| 20, Malt House Place356 m away | 41 m² | 58 m² | +17 m² +41% | 2020 |
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| Flat 7, Jane Court, Victoria Road809 m away | 59 m² | 76 m² | +17 m² +29% | 2016 |
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| 8, Lodge Avenue956 m away | 89 m² | 106 m² | +17 m² +19% | 2014 |
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| 53, Mawney Road480 m away | 102 m² | 119 m² | +17 m² +17% | 2012 |
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| 22, Angel Way275 m away | 61 m² | 78 m² | +17 m² +28% | 2011 |
|---|
| 92, Eastern Avenue East956 m away | 107 m² | 124 m² | +17 m² +16% | 2011 |
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| Flat 9, Portman House, 16 - 20, Victoria Road804 m away | 45 m² | 61 m² | +16 m² +36% | 2026 |
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| 17, Medora Road435 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
|---|
| Flat 8, Magnolia Court, 31, Mawney Road480 m away | 66 m² | 82 m² | +16 m² +24% | 2023 |
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| Flat 74, Omega Court, 140, London Road869 m away | 97 m² | 113 m² | +16 m² +16% | 2023 |
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| 35, Medora Road435 m away | 83 m² | 99 m² | +16 m² +19% | 2020 |
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| 3, Albert Mews946 m away | 31 m² | 47 m² | +16 m² +52% | 2016 |
|---|
| 25, Malt House Place356 m away | 41 m² | 57 m² | +16 m² +39% | 2012 |
|---|
| 17, Havering Road947 m away | 103 m² | 119 m² | +16 m² +16% | 2012 |
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| Flat 22, Oak House, Cottons Approach574 m away | 48 m² | 64 m² | +16 m² +33% | 2011 |
|---|
| Flat 4, North Park Court, 1a, Parkside Avenue744 m away | 45 m² | 60 m² | +15 m² +33% | 2026 |
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| 37, Maxim Tower, Mercury Gardens374 m away | 47 m² | 62 m² | +15 m² +32% | 2025 |
|---|
| 18, Recreation Avenue908 m away | 70 m² | 85 m² | +15 m² +21% | 2025 |
|---|
| 10, Ives Gardens743 m away | 96 m² | 111 m² | +15 m² +16% | 2024 |
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