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 4SH
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 Drive849 m away | 162 m² | 328 m² | +166 m² +102% | 2018 |
| 33, Oaklands Avenue939 m away | 145 m² | 297 m² | +152 m² +105% | 2023 |
| 88, Eastern Avenue East166 m away | 106 m² | 225 m² | +119 m² +112% | 2025 |
| 50, Mashiters Walk720 m away | 112 m² | 231 m² | +119 m² +106% | 2021 |
| 68, Heather Way364 m away | 78 m² | 194 m² | +116 m² +149% | 2023 |
| 68, Havering Road361 m away | 103 m² | 215 m² | +112 m² +109% | 2024 |
| 123a, Pettits Lane470 m away | 94 m² | 205 m² | +111 m² +118% | 2025 |
| 16, Millbrook Gardens587 m away | 88 m² | 195 m² | +107 m² +122% | 2021 |
| 87, Havering Road361 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.
| 109 m² |
| 209 m² |
| +100 m² +92% |
| 2022 |
| 20, Park Drive849 m away | 160 m² | 256 m² | +96 m² +60% | 2025 |
|---|
| 23, Parkland Avenue600 m away | 126 m² | 220 m² | +94 m² +75% | 2024 |
|---|
| 52, Mashiters Walk720 m away | 92 m² | 185 m² | +93 m² +101% | 2019 |
|---|
| 84, Pettits Lane603 m away | 148 m² | 235 m² | +87 m² +59% | 2023 |
|---|
| 111, Parkside Avenue236 m away | 85 m² | 171 m² | +86 m² +101% | 2021 |
|---|
| 275, Pettits Lane North466 m away | 85 m² | 171 m² | +86 m² +101% | 2021 |
|---|
| 15, The Avenue833 m away | 93 m² | 178 m² | +85 m² +91% | 2023 |
|---|
| 71, Lake Rise771 m away | 106 m² | 186 m² | +80 m² +75% | 2018 |
|---|
| 1, Park Boulevard829 m away | 224 m² | 302 m² | +78 m² +35% | 2025 |
|---|
| 37, Havering Drive647 m away | 139 m² | 216 m² | +77 m² +55% | 2020 |
|---|
| 68, Clyde Way826 m away | 122 m² | 197 m² | +75 m² +61% | 2026 |
|---|
| 148, Pettits Lane313 m away | 72 m² | 146 m² | +74 m² +103% | 2013 |
|---|
| 57, Clyde Way838 m away | 113 m² | 186 m² | +73 m² +65% | 2025 |
|---|
| 50, Lawns Way979 m away | 75 m² | 145 m² | +70 m² +93% | 2024 |
|---|
| 32, Pettits Lane854 m away | 91 m² | 160 m² | +69 m² +76% | 2025 |
|---|
| 57, Eastern Avenue East220 m away | 60 m² | 129 m² | +69 m² +115% | 2016 |
|---|
| 47, Hainault Road707 m away | 93 m² | 160 m² | +67 m² +72% | 2024 |
|---|
| 61, Marshalls Drive299 m away | 87 m² | 154 m² | +67 m² +77% | 2022 |
|---|
| 109, Pettits Lane603 m away | 100 m² | 165 m² | +65 m² +65% | 2025 |
|---|
| 3, Bartlow Gardens851 m away | 51 m² | 115 m² | +64 m² +125% | 2026 |
|---|
| 5, Ayr Green808 m away | 97 m² | 160 m² | +63 m² +65% | 2023 |
|---|
| 21, The Avenue833 m away | 94 m² | 153 m² | +59 m² +63% | 2023 |
|---|
| 45, Ayr Way792 m away | 92 m² | 151 m² | +59 m² +64% | 2022 |
|---|
| 34, Heather Drive231 m away | 63 m² | 121 m² | +58 m² +92% | 2026 |
|---|
| 33, Wainfleet Avenue634 m away | 85 m² | 143 m² | +58 m² +68% | 2026 |
|---|
| 25, The Chase581 m away | 116 m² | 174 m² | +58 m² +50% | 2024 |
|---|
| 13, Millbrook Gardens587 m away | 78 m² | 136 m² | +58 m² +74% | 2021 |
|---|
| 66, Hillfoot Road789 m away | 64 m² | 121 m² | +57 m² +89% | 2020 |
|---|
| 56, Ayr Way792 m away | 106 m² | 162 m² | +56 m² +53% | 2026 |
|---|
| 15, Wallace Way787 m away | 149 m² | 205 m² | +56 m² +38% | 2021 |
|---|
| 41, Beauly Way663 m away | 85 m² | 141 m² | +56 m² +66% | 2020 |
|---|
| 104, Seymer Road540 m away | 83 m² | 138 m² | +55 m² +66% | 2026 |
|---|
| 52, Faircross Avenue961 m away | 78 m² | 133 m² | +55 m² +71% | 2023 |
|---|
| 85, Eastern Avenue East0 m away | 87 m² | 141 m² | +54 m² +62% | 2019 |
|---|
| 45, Pettits Lane854 m away | 121 m² | 173 m² | +52 m² +43% | 2020 |
|---|
| 27, The Drive971 m away | 62 m² | 114 m² | +52 m² +84% | 2019 |
|---|
| 43, Heather Drive231 m away | 58 m² | 110 m² | +52 m² +90% | 2016 |
|---|
| 255, Pettits Lane North367 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
|---|
| 2, Hamilton Avenue236 m away | 104 m² | 154 m² | +50 m² +48% | 2021 |
|---|
| 9, Moray Way858 m away | 92 m² | 141 m² | +49 m² +53% | 2026 |
|---|
| 502, Mawney Road973 m away | 88 m² | 137 m² | +49 m² +56% | 2026 |
|---|
| 497, Mawney Road995 m away | 97 m² | 146 m² | +49 m² +51% | 2025 |
|---|
| 114, North Street967 m away | 75 m² | 124 m² | +49 m² +65% | 2022 |
|---|
| 173, Collier Row Lane902 m away | 91 m² | 139 m² | +48 m² +53% | 2025 |
|---|
| 17, Heather Drive231 m away | 60 m² | 108 m² | +48 m² +80% | 2020 |
|---|
| 2, Redriff Road959 m away | 83 m² | 130 m² | +47 m² +57% | 2017 |
|---|
| 155, Pettits Lane344 m away | 93 m² | 139 m² | +46 m² +49% | 2026 |
|---|
| 479, Mawney Road995 m away | 116 m² | 162 m² | +46 m² +40% | 2025 |
|---|
| 23, Lawns Way838 m away | 103 m² | 149 m² | +46 m² +45% | 2023 |
|---|
| 4, Deveron Way722 m away | 79 m² | 125 m² | +46 m² +58% | 2022 |
|---|
| 27, Dunster Close828 m away | 83 m² | 128 m² | +45 m² +54% | 2023 |
|---|
| 118, Havering Road325 m away | 84 m² | 129 m² | +45 m² +54% | 2020 |
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| 9, William Close550 m away | 87 m² | 131 m² | +44 m² +51% | 2024 |
|---|
| 12, Mashiters Walk759 m away | 100 m² | 143 m² | +43 m² +43% | 2025 |
|---|
| 57, Lawns Way979 m away | 83 m² | 126 m² | +43 m² +52% | 2023 |
|---|
| 32, Hamilton Avenue236 m away | 95 m² | 138 m² | +43 m² +45% | 2020 |
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| 3, Pettits Lane999 m away | 139 m² | 181 m² | +42 m² +30% | 2024 |
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| 504, Mawney Road973 m away | 90 m² | 132 m² | +42 m² +47% | 2023 |
|---|
| 62, Havering Drive647 m away | 88 m² | 130 m² | +42 m² +48% | 2021 |
|---|
| 71, Portnoi Close193 m away | 89 m² | 131 m² | +42 m² +47% | 2015 |
|---|
| 62, Fontayne Avenue233 m away | 86 m² | 127 m² | +41 m² +48% | 2025 |
|---|
| Squirrels Lodge, 2a, Havering Drive787 m away | 193 m² | 234 m² | +41 m² +21% | 2021 |
|---|
| 12, Pettits Boulevard494 m away | 83 m² | 123 m² | +40 m² +48% | 2021 |
|---|
| 39, Dee Way643 m away | 83 m² | 123 m² | +40 m² +48% | 2020 |
|---|
| 78, Seymer Road540 m away | 40 m² | 79 m² | +39 m² +98% | 2022 |
|---|
| 494, Mawney Road973 m away | 59 m² | 98 m² | +39 m² +66% | 2022 |
|---|
| 52, Lawns Way979 m away | 71 m² | 110 m² | +39 m² +55% | 2015 |
|---|
| 10, Pettits Close235 m away | 92 m² | 130 m² | +38 m² +41% | 2026 |
|---|
| 87, Parkside Avenue236 m away | 74 m² | 112 m² | +38 m² +51% | 2025 |
|---|
| 23, Heather Drive231 m away | 57 m² | 95 m² | +38 m² +67% | 2019 |
|---|
| 12, Heather Drive231 m away | 55 m² | 93 m² | +38 m² +69% | 2014 |
|---|
| 98, Havering Road361 m away | 122 m² | 159 m² | +37 m² +30% | 2024 |
|---|
| 22, Oaklands Avenue939 m away | 147 m² | 184 m² | +37 m² +25% | 2024 |
|---|
| 7, Heather Close455 m away | 55 m² | 92 m² | +37 m² +67% | 2016 |
|---|
| 1, Saffron Road438 m away | 88 m² | 124 m² | +36 m² +41% | 2021 |
|---|
| 122, Pettits Lane470 m away | 100 m² | 136 m² | +36 m² +36% | 2021 |
|---|
| 27, Heather Avenue136 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 9, Oaks Avenue463 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 195, Pettits Lane313 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 15, Dickens Way959 m away | 198 m² | 233 m² | +35 m² +18% | 2022 |
|---|
| 25, The Drive971 m away | 61 m² | 96 m² | +35 m² +57% | 2022 |
|---|
| 38, Woodlands Road911 m away | 63 m² | 98 m² | +35 m² +56% | 2019 |
|---|
| 144, Hainault Road655 m away | 80 m² | 115 m² | +35 m² +44% | 2016 |
|---|
| 86, Mashiters Walk614 m away | 94 m² | 128 m² | +34 m² +36% | 2026 |
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| 53, Mcintosh Road543 m away | 114 m² | 148 m² | +34 m² +30% | 2024 |
|---|
| 146, Parkside Avenue160 m away | 62 m² | 96 m² | +34 m² +55% | 2023 |
|---|
| 29, Wainfleet Avenue634 m away | 82 m² | 116 m² | +34 m² +41% | 2019 |
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| 149, Parkside Avenue132 m away | 61 m² | 95 m² | +34 m² +56% | 2018 |
|---|
| 28, Netherpark Drive675 m away | 104 m² | 138 m² | +34 m² +33% | 2018 |
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| 114, Lake Rise775 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
|---|
| 9, Moray Close971 m away | 95 m² | 129 m² | +34 m² +36% | 2016 |
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| 489, Mawney Road995 m away | 95 m² | 128 m² | +33 m² +35% | 2025 |
|---|
| 48, Woodlands Road911 m away | 156 m² | 189 m² | +33 m² +21% | 2022 |
|---|
| 27, Horndon Road554 m away | 85 m² | 117 m² | +32 m² +38% | 2025 |
|---|
| 7, Heather Drive231 m away | 51 m² | 83 m² | +32 m² +63% | 2021 |
|---|
| 121, Parkside Avenue236 m away | 45 m² | 77 m² | +32 m² +71% | 2020 |
|---|
| 23, Millbrook Gardens587 m away | 110 m² | 142 m² | +32 m² +29% | 2020 |
|---|
| 1, Longview Way604 m away | 80 m² | 112 m² | +32 m² +40% | 2013 |
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| 7, Wainfleet Avenue634 m away | 89 m² | 120 m² | +31 m² +35% | 2013 |
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| 113, Parkside Avenue236 m away | 63 m² | 94 m² | +31 m² +49% | 2012 |
|---|
| 22, Dunster Close870 m away | 95 m² | 125 m² | +30 m² +32% | 2025 |
|---|
| 27, Woodlands Road911 m away | 91 m² | 121 m² | +30 m² +33% | 2025 |
|---|
| 135, Pettits Lane470 m away | 93 m² | 123 m² | +30 m² +32% | 2019 |
|---|
| 28a, Rosedale Road554 m away | 84 m² | 114 m² | +30 m² +36% | 2018 |
|---|
| 65, Portnoi Close193 m away | 91 m² | 120 m² | +29 m² +32% | 2022 |
|---|
| 54, Dee Way682 m away | 98 m² | 127 m² | +29 m² +30% | 2022 |
|---|
| 16, Havering Drive787 m away | 120 m² | 149 m² | +29 m² +24% | 2021 |
|---|
| 167, Collier Row Lane902 m away | 87 m² | 116 m² | +29 m² +33% | 2018 |
|---|
| 71, Marshalls Drive344 m away | 56 m² | 85 m² | +29 m² +52% | 2014 |
|---|
| 135, Dorset Avenue431 m away | 126 m² | 154 m² | +28 m² +22% | 2026 |
|---|
| 4, Brook Close926 m away | 109 m² | 137 m² | +28 m² +26% | 2023 |
|---|
| 231, Havering Road501 m away | 108 m² | 136 m² | +28 m² +26% | 2020 |
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| 74, Percy Road935 m away | 82 m² | 110 m² | +28 m² +34% | 2019 |
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| 169, North Street792 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
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| 18, Collier Row Lane476 m away | 101 m² | 129 m² | +28 m² +28% | 2013 |
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| 3, Mowbrays Road503 m away | 73 m² | 100 m² | +27 m² +37% | 2025 |
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| 44, Ayr Way792 m away | 94 m² | 121 m² | +27 m² +29% | 2025 |
|---|
| 12, Bartlow Gardens813 m away | 86 m² | 112 m² | +26 m² +30% | 2026 |
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| 88, Beauly Way862 m away | 129 m² | 155 m² | +26 m² +20% | 2024 |
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| 56, Parkway982 m away | 154 m² | 180 m² | +26 m² +17% | 2023 |
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| 38, Marshalls Drive334 m away | 72 m² | 98 m² | +26 m² +36% | 2022 |
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| 184, North Street851 m away | 142 m² | 168 m² | +26 m² +18% | 2021 |
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| 2, Raphael Avenue669 m away | 126 m² | 152 m² | +26 m² +21% | 2017 |
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| 8, Deveron Way722 m away | 70 m² | 96 m² | +26 m² +37% | 2017 |
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| 26, Hillfoot Road687 m away | 74 m² | 100 m² | +26 m² +35% | 2015 |
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| 60, The Drive936 m away | 77 m² | 102 m² | +25 m² +32% | 2025 |
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| 268, Pettits Lane North635 m away | 98 m² | 123 m² | +25 m² +26% | 2023 |
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| 12, Rosemary Avenue844 m away | 144 m² | 169 m² | +25 m² +17% | 2023 |
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| 74, Parkway886 m away | 160 m² | 185 m² | +25 m² +16% | 2023 |
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| 52, Parkway982 m away | 152 m² | 177 m² | +25 m² +16% | 2021 |
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| 34, Priests Avenue163 m away | 82 m² | 107 m² | +25 m² +30% | 2018 |
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| 94, Seymer Road540 m away | 76 m² | 100 m² | +24 m² +32% | 2024 |
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| 6, Woodlands Road911 m away | 103 m² | 127 m² | +24 m² +23% | 2021 |
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| 119, Eastern Avenue East0 m away | 99 m² | 123 m² | +24 m² +24% | 2014 |
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| 93, Seymer Road471 m away | 80 m² | 104 m² | +24 m² +30% | 2013 |
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| 116, Pettits Lane470 m away | 136 m² | 159 m² | +23 m² +17% | 2021 |
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| 38, Millbrook Gardens587 m away | 84 m² | 107 m² | +23 m² +27% | 2021 |
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| 30, Ferndale Road521 m away | 77 m² | 100 m² | +23 m² +30% | 2020 |
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| 55, Heather Way393 m away | 62 m² | 85 m² | +23 m² +37% | 2018 |
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| 55, Mowbrays Road694 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
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| 35, Eastern Avenue East394 m away | 65 m² | 87 m² | +22 m² +34% | 2024 |
|---|
| 17, Kenway939 m away | 74 m² | 96 m² | +22 m² +30% | 2021 |
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| 61, Lawns Way979 m away | 74 m² | 96 m² | +22 m² +30% | 2019 |
|---|
| 56, Beauly Way663 m away | 111 m² | 133 m² | +22 m² +20% | 2018 |
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| 22, The Avenue833 m away | 117 m² | 139 m² | +22 m² +19% | 2017 |
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| 5, Wainfleet Avenue634 m away | 86 m² | 108 m² | +22 m² +26% | 2016 |
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| 2, Heather Drive231 m away | 102 m² | 124 m² | +22 m² +22% | 2012 |
|---|
| 68, Roslyn Gardens606 m away | 140 m² | 161 m² | +21 m² +15% | 2026 |
|---|
| 105, Mashiters Walk500 m away | 98 m² | 119 m² | +21 m² +21% | 2025 |
|---|
| 85, Dorset Avenue431 m away | 96 m² | 117 m² | +21 m² +22% | 2023 |
|---|
| Flat 3, Graveney Court, Riverside Close916 m away | 53 m² | 74 m² | +21 m² +40% | 2023 |
|---|
| 25, Hillfoot Road766 m away | 120 m² | 141 m² | +21 m² +18% | 2022 |
|---|
| 182, Hainault Road706 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
|---|
| 6, Hainault Road707 m away | 66 m² | 87 m² | +21 m² +32% | 2021 |
|---|
| 44, Heather Drive231 m away | 115 m² | 136 m² | +21 m² +18% | 2019 |
|---|
| 94, Dorset Avenue431 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
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| 95, Lake Rise771 m away | 95 m² | 116 m² | +21 m² +22% | 2019 |
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| 5, Hill Grove413 m away | 91 m² | 111 m² | +20 m² +22% | 2025 |
|---|
| 31, Rosedale Road586 m away | 100 m² | 120 m² | +20 m² +20% | 2018 |
|---|
| 7, The Avenue833 m away | 129 m² | 149 m² | +20 m² +16% | 2014 |
|---|
| 18, Ayr Way602 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
|---|
| 9, Collier Row Lane535 m away | 64 m² | 83 m² | +19 m² +30% | 2024 |
|---|
| 114, Beauly Way862 m away | 122 m² | 141 m² | +19 m² +16% | 2019 |
|---|
| 91, Dorset Avenue431 m away | 93 m² | 112 m² | +19 m² +20% | 2016 |
|---|
| 96, Mowbrays Road694 m away | 75 m² | 93 m² | +18 m² +24% | 2022 |
|---|
| 117, Dorset Avenue431 m away | 78 m² | 96 m² | +18 m² +23% | 2020 |
|---|
| 7, Heather Glen94 m away | 83 m² | 101 m² | +18 m² +22% | 2019 |
|---|
| 59, Mowbrays Road694 m away | 63 m² | 81 m² | +18 m² +29% | 2016 |
|---|
| 43, The Drive971 m away | 69 m² | 87 m² | +18 m² +26% | 2016 |
|---|
| Flat 20, Calder Court, Riverside Close900 m away | 44 m² | 62 m² | +18 m² +41% | 2009 |
|---|
| 115, Linley Crescent936 m away | 83 m² | 100 m² | +17 m² +20% | 2025 |
|---|
| 13, Oaks Avenue463 m away | 95 m² | 112 m² | +17 m² +18% | 2024 |
|---|
| 4, Hainault Road707 m away | 75 m² | 92 m² | +17 m² +23% | 2023 |
|---|
| 57, Parkside Avenue449 m away | 84 m² | 101 m² | +17 m² +20% | 2021 |
|---|
| 4, Wood View Mews660 m away | 92 m² | 109 m² | +17 m² +18% | 2021 |
|---|
| 18, Kenway939 m away | 78 m² | 95 m² | +17 m² +22% | 2021 |
|---|
| 98, Lake Rise775 m away | 101 m² | 118 m² | +17 m² +17% | 2016 |
|---|
| 22, Saffron Road438 m away | 78 m² | 95 m² | +17 m² +22% | 2013 |
|---|
| 92, Eastern Avenue East166 m away | 107 m² | 124 m² | +17 m² +16% | 2011 |
|---|
| 290, Pettits Lane North635 m away | 78 m² | 94 m² | +16 m² +21% | 2026 |
|---|
| 33, Ayr Way792 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
|---|
| 50, The Drive936 m away | 69 m² | 85 m² | +16 m² +23% | 2024 |
|---|
| 8, Pettits Close235 m away | 82 m² | 98 m² | +16 m² +20% | 2019 |
|---|
| 17, Havering Road513 m away | 103 m² | 119 m² | +16 m² +16% | 2012 |
|---|
| Flat 4, North Park Court, 1a, Parkside Avenue571 m away | 45 m² | 60 m² | +15 m² +33% | 2026 |
|---|
| 9, Ferndale Road521 m away | 71 m² | 86 m² | +15 m² +21% | 2025 |
|---|
| 85, Faircross Avenue961 m away | 68 m² | 83 m² | +15 m² +22% | 2025 |
|---|
| 38, Ashmour Gardens130 m away | 58 m² | 73 m² | +15 m² +26% | 2024 |
|---|
| 77, Havering Road361 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
|---|
| 179, Hainault Road683 m away | 82 m² | 97 m² | +15 m² +18% | 2024 |
|---|
| 62, Mowbrays Road694 m away | 65 m² | 80 m² | +15 m² +23% | 2024 |
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