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 4UJ
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 |
|---|---|---|---|---|
| 125, Chase Cross Road724 m away | 174 m² | 305 m² | +131 m² +75% | 2023 |
| 88, Eastern Avenue East970 m away | 106 m² | 225 m² | +119 m² +112% | 2025 |
| 68, Heather Way448 m away | 78 m² | 194 m² | +116 m² +149% | 2023 |
| 51, Garry Way329 m away | 88 m² | 203 m² | +115 m² +131% | 2026 |
| 68, Havering Road977 m away | 103 m² | 215 m² | +112 m² +109% | 2024 |
| 16, Millbrook Gardens689 m away | 88 m² | 195 m² | +107 m² +122% | 2021 |
| 87, Havering Road977 m away | 109 m² | 209 m² | +100 m² +92% | 2022 |
| 275, Pettits Lane North366 m away | 85 m² | 171 m² | +86 m² +101% | 2021 |
| 1, Park Boulevard829 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.
| 224 m² |
| 302 m² |
| +78 m² +35% |
| 2025 |
| 31, Felstead Road840 m away | 52 m² | 129 m² | +77 m² +148% | 2015 |
|---|
| 68, Clyde Way186 m away | 122 m² | 197 m² | +75 m² +61% | 2026 |
|---|
| 148, Pettits Lane728 m away | 72 m² | 146 m² | +74 m² +103% | 2013 |
|---|
| 57, Clyde Way151 m away | 113 m² | 186 m² | +73 m² +65% | 2025 |
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| 28, Ascension Road768 m away | 83 m² | 153 m² | +70 m² +84% | 2025 |
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| 50, Lawns Way554 m away | 75 m² | 145 m² | +70 m² +93% | 2024 |
|---|
| 57, Eastern Avenue East995 m away | 60 m² | 129 m² | +69 m² +115% | 2016 |
|---|
| 16, Greenock Way557 m away | 76 m² | 144 m² | +68 m² +89% | 2017 |
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| 24, Hyde Close847 m away | 131 m² | 198 m² | +67 m² +51% | 2025 |
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| 3, Bartlow Gardens370 m away | 51 m² | 115 m² | +64 m² +125% | 2026 |
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| 12, Helmsdale Close488 m away | 79 m² | 143 m² | +64 m² +81% | 2022 |
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| 5, Ayr Green0 m away | 97 m² | 160 m² | +63 m² +65% | 2023 |
|---|
| 78, Chase Cross Road850 m away | 63 m² | 126 m² | +63 m² +100% | 2017 |
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| 45, Ayr Way92 m away | 92 m² | 151 m² | +59 m² +64% | 2022 |
|---|
| 34, Heather Drive601 m away | 63 m² | 121 m² | +58 m² +92% | 2026 |
|---|
| 13, Millbrook Gardens689 m away | 78 m² | 136 m² | +58 m² +74% | 2021 |
|---|
| 66, Hillfoot Road794 m away | 64 m² | 121 m² | +57 m² +89% | 2020 |
|---|
| 56, Ayr Way92 m away | 106 m² | 162 m² | +56 m² +53% | 2026 |
|---|
| 15, Wallace Way166 m away | 149 m² | 205 m² | +56 m² +38% | 2021 |
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| 41, Beauly Way567 m away | 85 m² | 141 m² | +56 m² +66% | 2020 |
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| 16, Hyde Close847 m away | 42 m² | 98 m² | +56 m² +133% | 2012 |
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| 52, Faircross Avenue334 m away | 78 m² | 133 m² | +55 m² +71% | 2023 |
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| 85, Eastern Avenue East808 m away | 87 m² | 141 m² | +54 m² +62% | 2019 |
|---|
| 27, The Drive455 m away | 62 m² | 114 m² | +52 m² +84% | 2019 |
|---|
| 43, Heather Drive601 m away | 58 m² | 110 m² | +52 m² +90% | 2016 |
|---|
| 20, Hyde Close847 m away | 58 m² | 110 m² | +52 m² +90% | 2016 |
|---|
| 255, Pettits Lane North529 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
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| 53, Chase Cross Road873 m away | 79 m² | 129 m² | +50 m² +63% | 2026 |
|---|
| 2, Hamilton Avenue937 m away | 104 m² | 154 m² | +50 m² +48% | 2021 |
|---|
| 9, Moray Way112 m away | 92 m² | 141 m² | +49 m² +53% | 2026 |
|---|
| 36, Glenton Close496 m away | 80 m² | 129 m² | +49 m² +61% | 2022 |
|---|
| 1, Goring Close966 m away | 84 m² | 133 m² | +49 m² +58% | 2020 |
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| 19, Felstead Road840 m away | 71 m² | 120 m² | +49 m² +69% | 2017 |
|---|
| 17, Heather Drive601 m away | 60 m² | 108 m² | +48 m² +80% | 2020 |
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| 150, Chase Cross Road579 m away | 63 m² | 111 m² | +48 m² +76% | 2018 |
|---|
| 46, Gobions Avenue364 m away | 109 m² | 156 m² | +47 m² +43% | 2026 |
|---|
| 155, Pettits Lane880 m away | 93 m² | 139 m² | +46 m² +49% | 2026 |
|---|
| 12, Robin Close465 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 78, Ascension Road927 m away | 73 m² | 119 m² | +46 m² +63% | 2024 |
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| 23, Lawns Way477 m away | 103 m² | 149 m² | +46 m² +45% | 2023 |
|---|
| 4, Deveron Way236 m away | 79 m² | 125 m² | +46 m² +58% | 2022 |
|---|
| 4, Merlin Close774 m away | 72 m² | 118 m² | +46 m² +64% | 2014 |
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| 3, Hyde Mews908 m away | 42 m² | 88 m² | +46 m² +110% | 2010 |
|---|
| 15, Berkeley Avenue600 m away | 39 m² | 84 m² | +45 m² +115% | 2023 |
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| 118, Havering Road831 m away | 84 m² | 129 m² | +45 m² +54% | 2020 |
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| 13, Campbell Close575 m away | 141 m² | 186 m² | +45 m² +32% | 2014 |
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| 9, William Close643 m away | 87 m² | 131 m² | +44 m² +51% | 2024 |
|---|
| 12, Helmsdale Road493 m away | 80 m² | 124 m² | +44 m² +55% | 2014 |
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| 57, Lawns Way554 m away | 83 m² | 126 m² | +43 m² +52% | 2023 |
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| 32, Hamilton Avenue937 m away | 95 m² | 138 m² | +43 m² +45% | 2020 |
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| 71, Portnoi Close701 m away | 89 m² | 131 m² | +42 m² +47% | 2015 |
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| 53, Mount Pleasant Road818 m away | 89 m² | 130 m² | +41 m² +46% | 2026 |
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| 62, Fontayne Avenue976 m away | 86 m² | 127 m² | +41 m² +48% | 2025 |
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| 73, The Drive345 m away | 67 m² | 108 m² | +41 m² +61% | 2024 |
|---|
| 1, Chaseside Close635 m away | 100 m² | 141 m² | +41 m² +41% | 2020 |
|---|
| 18, Hyde Close847 m away | 42 m² | 83 m² | +41 m² +98% | 2010 |
|---|
| 12, Pettits Boulevard578 m away | 83 m² | 123 m² | +40 m² +48% | 2021 |
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| 39, Dee Way385 m away | 83 m² | 123 m² | +40 m² +48% | 2020 |
|---|
| 52, Lawns Way554 m away | 71 m² | 110 m² | +39 m² +55% | 2015 |
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| 10, Pettits Close739 m away | 92 m² | 130 m² | +38 m² +41% | 2026 |
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| 14, Merlin Close774 m away | 68 m² | 106 m² | +38 m² +56% | 2025 |
|---|
| 1, Tweed Green289 m away | 91 m² | 129 m² | +38 m² +42% | 2020 |
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| 23, Heather Drive601 m away | 57 m² | 95 m² | +38 m² +67% | 2019 |
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| 12, Heather Drive601 m away | 55 m² | 93 m² | +38 m² +69% | 2014 |
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| 98, Havering Road977 m away | 122 m² | 159 m² | +37 m² +30% | 2024 |
|---|
| 7, Heather Close376 m away | 55 m² | 92 m² | +37 m² +67% | 2016 |
|---|
| 36, Mount Pleasant Road840 m away | 142 m² | 178 m² | +36 m² +25% | 2022 |
|---|
| 1, Saffron Road780 m away | 88 m² | 124 m² | +36 m² +41% | 2021 |
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| 27, Heather Avenue677 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 9, Oaks Avenue976 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 195, Pettits Lane728 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 61, Helmsdale Road614 m away | 80 m² | 115 m² | +35 m² +44% | 2023 |
|---|
| 25, The Drive455 m away | 61 m² | 96 m² | +35 m² +57% | 2022 |
|---|
| 74, Lawns Way595 m away | 74 m² | 109 m² | +35 m² +47% | 2016 |
|---|
| 8, Gobions Avenue544 m away | 90 m² | 124 m² | +34 m² +38% | 2026 |
|---|
| 14, Burland Road922 m away | 93 m² | 127 m² | +34 m² +37% | 2026 |
|---|
| 9, Nevis Close632 m away | 129 m² | 163 m² | +34 m² +26% | 2024 |
|---|
| 146, Parkside Avenue872 m away | 62 m² | 96 m² | +34 m² +55% | 2023 |
|---|
| 149, Parkside Avenue844 m away | 61 m² | 95 m² | +34 m² +56% | 2018 |
|---|
| 28, Netherpark Drive860 m away | 104 m² | 138 m² | +34 m² +33% | 2018 |
|---|
| 9, Moray Close174 m away | 95 m² | 129 m² | +34 m² +36% | 2016 |
|---|
| 2, Seaforth Close598 m away | 97 m² | 130 m² | +33 m² +34% | 2014 |
|---|
| 29, Glenton Close496 m away | 75 m² | 107 m² | +32 m² +43% | 2026 |
|---|
| 27, Horndon Road810 m away | 85 m² | 117 m² | +32 m² +38% | 2025 |
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| 7, Heather Drive601 m away | 51 m² | 83 m² | +32 m² +63% | 2021 |
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| 23, Millbrook Gardens689 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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| 31, Faircross Avenue515 m away | 67 m² | 98 m² | +31 m² +46% | 2025 |
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| 54, Dee Way399 m away | 98 m² | 127 m² | +29 m² +30% | 2022 |
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| 65, Portnoi Close701 m away | 91 m² | 120 m² | +29 m² +32% | 2022 |
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| 71, Marshalls Drive962 m away | 56 m² | 85 m² | +29 m² +52% | 2014 |
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| 4, Brook Close886 m away | 109 m² | 137 m² | +28 m² +26% | 2023 |
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| 231, Havering Road446 m away | 108 m² | 136 m² | +28 m² +26% | 2020 |
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| 44, Ayr Way92 m away | 94 m² | 121 m² | +27 m² +29% | 2025 |
|---|
| 3, Mowbrays Road658 m away | 73 m² | 100 m² | +27 m² +37% | 2025 |
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| 55, Brockley Crescent774 m away | 43 m² | 70 m² | +27 m² +63% | 2016 |
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| 12, Bartlow Gardens355 m away | 86 m² | 112 m² | +26 m² +30% | 2026 |
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| 88, Beauly Way695 m away | 129 m² | 155 m² | +26 m² +20% | 2024 |
|---|
| 5, Burchwall Close919 m away | 74 m² | 100 m² | +26 m² +35% | 2022 |
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| 8, Deveron Way236 m away | 70 m² | 96 m² | +26 m² +37% | 2017 |
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| 446, Havering Road862 m away | 89 m² | 115 m² | +26 m² +29% | 2016 |
|---|
| 26, Hillfoot Road601 m away | 74 m² | 100 m² | +26 m² +35% | 2015 |
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| 60, The Drive438 m away | 77 m² | 102 m² | +25 m² +32% | 2025 |
|---|
| 268, Pettits Lane North270 m away | 98 m² | 123 m² | +25 m² +26% | 2023 |
|---|
| 74, Parkway983 m away | 160 m² | 185 m² | +25 m² +16% | 2023 |
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| 34, Priests Avenue786 m away | 82 m² | 107 m² | +25 m² +30% | 2018 |
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| 6, Cromwells Mere935 m away | 86 m² | 111 m² | +25 m² +29% | 2016 |
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| 54, Helmsdale Road614 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
|---|
| 119, Eastern Avenue East808 m away | 99 m² | 123 m² | +24 m² +24% | 2014 |
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| 38, Millbrook Gardens689 m away | 84 m² | 107 m² | +23 m² +27% | 2021 |
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| 30, Ferndale Road876 m away | 77 m² | 100 m² | +23 m² +30% | 2020 |
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| 40, Helmsdale Road493 m away | 146 m² | 169 m² | +23 m² +16% | 2019 |
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| 25, Avelon Road896 m away | 58 m² | 81 m² | +23 m² +40% | 2019 |
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| 55, Heather Way427 m away | 62 m² | 85 m² | +23 m² +37% | 2018 |
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| 55, Mowbrays Road901 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
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| 3, Isbell Gardens441 m away | 110 m² | 133 m² | +23 m² +21% | 2014 |
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| 187, Highfield Road994 m away | 76 m² | 98 m² | +22 m² +29% | 2024 |
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| 131, Chase Cross Road629 m away | 109 m² | 131 m² | +22 m² +20% | 2023 |
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| 61, Lawns Way554 m away | 74 m² | 96 m² | +22 m² +30% | 2019 |
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| 56, Beauly Way567 m away | 111 m² | 133 m² | +22 m² +20% | 2018 |
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| 27, Isbell Gardens441 m away | 70 m² | 92 m² | +22 m² +31% | 2014 |
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| 2, Nevis Close632 m away | 81 m² | 103 m² | +22 m² +27% | 2014 |
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| 2, Heather Drive601 m away | 102 m² | 124 m² | +22 m² +22% | 2012 |
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| 68, Roslyn Gardens741 m away | 140 m² | 161 m² | +21 m² +15% | 2026 |
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| 29, Fullers Close929 m away | 47 m² | 68 m² | +21 m² +45% | 2026 |
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| 25, Burland Road922 m away | 87 m² | 108 m² | +21 m² +24% | 2024 |
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| 25, Hillfoot Road808 m away | 120 m² | 141 m² | +21 m² +18% | 2022 |
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| 1, Berkeley Avenue600 m away | 137 m² | 158 m² | +21 m² +15% | 2020 |
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| 44, Heather Drive601 m away | 115 m² | 136 m² | +21 m² +18% | 2019 |
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| Fairways, Risebridge Chase853 m away | 126 m² | 146 m² | +20 m² +16% | 2023 |
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| 18, Ayr Way235 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
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| 50, Mount Pleasant Road840 m away | 91 m² | 110 m² | +19 m² +21% | 2022 |
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| 114, Beauly Way695 m away | 122 m² | 141 m² | +19 m² +16% | 2019 |
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| 36, Avelon Road896 m away | 80 m² | 99 m² | +19 m² +24% | 2013 |
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| 28, Helmsdale Road493 m away | 78 m² | 96 m² | +18 m² +23% | 2024 |
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| 96, Mowbrays Road901 m away | 75 m² | 93 m² | +18 m² +24% | 2022 |
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| 440, Havering Road625 m away | 80 m² | 98 m² | +18 m² +23% | 2020 |
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| 7, Heather Glen738 m away | 83 m² | 101 m² | +18 m² +22% | 2019 |
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| 43, The Drive455 m away | 69 m² | 87 m² | +18 m² +26% | 2016 |
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| 59, Mowbrays Road901 m away | 63 m² | 81 m² | +18 m² +29% | 2016 |
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| 406, Havering Road439 m away | 79 m² | 96 m² | +17 m² +22% | 2024 |
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| 8, Cromwells Mere935 m away | 104 m² | 121 m² | +17 m² +16% | 2024 |
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| 13, Oaks Avenue976 m away | 95 m² | 112 m² | +17 m² +18% | 2024 |
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| Flat 1, Westminster Court, 5, Hyde Close839 m away | 57 m² | 74 m² | +17 m² +30% | 2022 |
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| 4, Wood View Mews229 m away | 92 m² | 109 m² | +17 m² +18% | 2021 |
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| 23, Berkeley Avenue600 m away | 96 m² | 113 m² | +17 m² +18% | 2014 |
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| 22, Saffron Road780 m away | 78 m² | 95 m² | +17 m² +22% | 2013 |
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| 92, Eastern Avenue East970 m away | 107 m² | 124 m² | +17 m² +16% | 2011 |
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| 290, Pettits Lane North270 m away | 78 m² | 94 m² | +16 m² +21% | 2026 |
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| 30, Helmsdale Close488 m away | 98 m² | 114 m² | +16 m² +16% | 2026 |
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| 33, Ayr Way92 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
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| 50, The Drive438 m away | 69 m² | 85 m² | +16 m² +23% | 2024 |
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| Flat 3, Westminster Court, 5, Hyde Close839 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
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| 310, Eastern Avenue East970 m away | 99 m² | 115 m² | +16 m² +16% | 2021 |
|---|
| 8, Pettits Close739 m away | 82 m² | 98 m² | +16 m² +20% | 2019 |
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| 6, Merlin Road831 m away | 72 m² | 88 m² | +16 m² +22% | 2019 |
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| 16, Selsdon Close839 m away | 85 m² | 101 m² | +16 m² +19% | 2019 |
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| 15, Greenock Way557 m away | 79 m² | 94 m² | +15 m² +19% | 2026 |
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| 85, Faircross Avenue334 m away | 68 m² | 83 m² | +15 m² +22% | 2025 |
|---|
| 9, Ferndale Road876 m away | 71 m² | 86 m² | +15 m² +21% | 2025 |
|---|
| 6, Don Way319 m away | 96 m² | 111 m² | +15 m² +16% | 2024 |
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| 62, Mowbrays Road901 m away | 65 m² | 80 m² | +15 m² +23% | 2024 |
|---|
| 38, Ashmour Gardens903 m away | 58 m² | 73 m² | +15 m² +26% | 2024 |
|---|
| 77, Havering Road977 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
|---|
| 17, The Drive455 m away | 72 m² | 87 m² | +15 m² +21% | 2023 |
|---|
| 4, Seaforth Close598 m away | 85 m² | 100 m² | +15 m² +18% | 2023 |
|---|
| Flat 1, Greenwich Court, 1, Hyde Close839 m away | 65 m² | 80 m² | +15 m² +23% | 2021 |
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| 144, Chelmsford Avenue428 m away | 51 m² | 66 m² | +15 m² +29% | 2013 |
|---|