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 RM5 3JB
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 Road744 m away | 174 m² | 305 m² | +131 m² +75% | 2023 |
| 68, Heather Way885 m away | 78 m² | 194 m² | +116 m² +149% | 2023 |
| 68, Havering Road768 m away | 103 m² | 215 m² | +112 m² +109% | 2024 |
| 274, Mawney Road944 m away | 91 m² | 200 m² | +109 m² +120% | 2026 |
| 87, Havering Road768 m away | 109 m² | 209 m² | +100 m² +92% | 2022 |
| 159, Cross Road805 m away | 88 m² | 186 m² | +98 m² +111% | 2023 |
| 11, Birch Road936 m away | 66 m² | 159 m² | +93 m² +141% | 2020 |
| 53, Collier Row Road560 m away | 66 m² | 158 m² | +92 m² +139% | 2024 |
| 31, Felstead Road805 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.
| 52 m² |
| 129 m² |
| +77 m² +148% |
| 2015 |
| 28, Ascension Road896 m away | 83 m² | 153 m² | +70 m² +84% | 2025 |
|---|
| 50, Lawns Way555 m away | 75 m² | 145 m² | +70 m² +93% | 2024 |
|---|
| 57, Eastern Avenue East983 m away | 60 m² | 129 m² | +69 m² +115% | 2016 |
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| 3, Bartlow Gardens671 m away | 51 m² | 115 m² | +64 m² +125% | 2026 |
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| 78, Chase Cross Road607 m away | 63 m² | 126 m² | +63 m² +100% | 2017 |
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| 11, Highfield Road824 m away | 76 m² | 137 m² | +61 m² +80% | 2022 |
|---|
| 186, Collier Row Lane0 m away | 82 m² | 142 m² | +60 m² +73% | 2024 |
|---|
| 33, Wainfleet Avenue533 m away | 85 m² | 143 m² | +58 m² +68% | 2026 |
|---|
| 66, Hillfoot Road246 m away | 64 m² | 121 m² | +57 m² +89% | 2020 |
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| 15, Wallace Way852 m away | 149 m² | 205 m² | +56 m² +38% | 2021 |
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| 9, Nelson Close390 m away | 78 m² | 134 m² | +56 m² +72% | 2020 |
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| 329, Mawney Road750 m away | 74 m² | 130 m² | +56 m² +76% | 2011 |
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| 6, Renown Close572 m away | 98 m² | 153 m² | +55 m² +56% | 2024 |
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| 52, Faircross Avenue794 m away | 78 m² | 133 m² | +55 m² +71% | 2023 |
|---|
| 43, Highfield Road961 m away | 45 m² | 99 m² | +54 m² +120% | 2018 |
|---|
| 231, Cross Road434 m away | 86 m² | 140 m² | +54 m² +63% | 2016 |
|---|
| 340, Mawney Road755 m away | 74 m² | 127 m² | +53 m² +72% | 2022 |
|---|
| 27, The Drive664 m away | 62 m² | 114 m² | +52 m² +84% | 2019 |
|---|
| 19, Sheila Close893 m away | 77 m² | 129 m² | +52 m² +68% | 2015 |
|---|
| 53, Chase Cross Road652 m away | 79 m² | 129 m² | +50 m² +63% | 2026 |
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| 23, Riversdale Road786 m away | 84 m² | 134 m² | +50 m² +60% | 2026 |
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| 32, Sheila Road803 m away | 78 m² | 128 m² | +50 m² +64% | 2024 |
|---|
| 2, Hamilton Avenue873 m away | 104 m² | 154 m² | +50 m² +48% | 2021 |
|---|
| 502, Mawney Road368 m away | 88 m² | 137 m² | +49 m² +56% | 2026 |
|---|
| 9, Moray Way942 m away | 92 m² | 141 m² | +49 m² +53% | 2026 |
|---|
| 497, Mawney Road334 m away | 97 m² | 146 m² | +49 m² +51% | 2025 |
|---|
| 50, Clockhouse Lane865 m away | 90 m² | 139 m² | +49 m² +54% | 2024 |
|---|
| 1, Goring Close142 m away | 84 m² | 133 m² | +49 m² +58% | 2020 |
|---|
| 19, Felstead Road805 m away | 71 m² | 120 m² | +49 m² +69% | 2017 |
|---|
| 173, Collier Row Lane190 m away | 91 m² | 139 m² | +48 m² +53% | 2025 |
|---|
| 17, Lynwood Drive776 m away | 75 m² | 123 m² | +48 m² +64% | 2025 |
|---|
| 8, Argus Close342 m away | 96 m² | 144 m² | +48 m² +50% | 2020 |
|---|
| 150, Chase Cross Road902 m away | 63 m² | 111 m² | +48 m² +76% | 2018 |
|---|
| 43, Sheila Road803 m away | 71 m² | 118 m² | +47 m² +66% | 2026 |
|---|
| 2, Redriff Road460 m away | 83 m² | 130 m² | +47 m² +57% | 2017 |
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| 479, Mawney Road334 m away | 116 m² | 162 m² | +46 m² +40% | 2025 |
|---|
| 12, Robin Close918 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 23, Lawns Way553 m away | 103 m² | 149 m² | +46 m² +45% | 2023 |
|---|
| 27, Dunster Close562 m away | 83 m² | 128 m² | +45 m² +54% | 2023 |
|---|
| 15, Berkeley Avenue703 m away | 39 m² | 84 m² | +45 m² +115% | 2023 |
|---|
| 118, Havering Road700 m away | 84 m² | 129 m² | +45 m² +54% | 2020 |
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| 260, Cross Road434 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
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| 9, William Close495 m away | 87 m² | 131 m² | +44 m² +51% | 2024 |
|---|
| 139, White Hart Lane664 m away | 73 m² | 117 m² | +44 m² +60% | 2010 |
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| 46, Lodge Lane975 m away | 80 m² | 123 m² | +43 m² +54% | 2025 |
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| 57, Lawns Way555 m away | 83 m² | 126 m² | +43 m² +52% | 2023 |
|---|
| 32, Hamilton Avenue873 m away | 95 m² | 138 m² | +43 m² +45% | 2020 |
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| 49, Lynton Avenue200 m away | 68 m² | 111 m² | +43 m² +63% | 2019 |
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| 504, Mawney Road368 m away | 90 m² | 132 m² | +42 m² +47% | 2023 |
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| 157, Cross Road805 m away | 79 m² | 121 m² | +42 m² +53% | 2023 |
|---|
| 71, Portnoi Close825 m away | 89 m² | 131 m² | +42 m² +47% | 2015 |
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| 73, The Drive893 m away | 67 m² | 108 m² | +41 m² +61% | 2024 |
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| 36, Lodge Lane975 m away | 92 m² | 133 m² | +41 m² +45% | 2023 |
|---|
| 56, Lowshoe Lane489 m away | 87 m² | 128 m² | +41 m² +47% | 2017 |
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| 90, Collier Row Road616 m away | 68 m² | 108 m² | +40 m² +59% | 2017 |
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| 494, Mawney Road368 m away | 59 m² | 98 m² | +39 m² +66% | 2022 |
|---|
| 52, Lawns Way555 m away | 71 m² | 110 m² | +39 m² +55% | 2015 |
|---|
| 7, Howe Close582 m away | 117 m² | 155 m² | +38 m² +32% | 2025 |
|---|
| 98, Havering Road768 m away | 122 m² | 159 m² | +37 m² +30% | 2024 |
|---|
| 7, Heather Close832 m away | 55 m² | 92 m² | +37 m² +67% | 2016 |
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| 16, Rodney Way538 m away | 71 m² | 107 m² | +36 m² +51% | 2022 |
|---|
| 11a, Lowshoe Lane320 m away | 82 m² | 118 m² | +36 m² +44% | 2021 |
|---|
| 1, Saffron Road571 m away | 88 m² | 124 m² | +36 m² +41% | 2021 |
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| 27, Heather Avenue933 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 7, Judith Avenue994 m away | 67 m² | 103 m² | +36 m² +54% | 2019 |
|---|
| 9, Oaks Avenue647 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
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| 382, Mawney Road651 m away | 90 m² | 125 m² | +35 m² +39% | 2024 |
|---|
| 25, The Drive664 m away | 61 m² | 96 m² | +35 m² +57% | 2022 |
|---|
| 74, Lawns Way592 m away | 74 m² | 109 m² | +35 m² +47% | 2016 |
|---|
| 144, Hainault Road768 m away | 80 m² | 115 m² | +35 m² +44% | 2016 |
|---|
| 19, Chase Cross Road600 m away | 167 m² | 201 m² | +34 m² +20% | 2026 |
|---|
| 14, Burland Road950 m away | 93 m² | 127 m² | +34 m² +37% | 2026 |
|---|
| 8, Gobions Avenue964 m away | 90 m² | 124 m² | +34 m² +38% | 2026 |
|---|
| 10, Anson Close519 m away | 83 m² | 117 m² | +34 m² +41% | 2025 |
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| 29, Wainfleet Avenue533 m away | 82 m² | 116 m² | +34 m² +41% | 2019 |
|---|
| 32, Birch Close965 m away | 73 m² | 107 m² | +34 m² +47% | 2016 |
|---|
| 489, Mawney Road334 m away | 95 m² | 128 m² | +33 m² +35% | 2025 |
|---|
| 47, Chase Cross Road600 m away | 79 m² | 112 m² | +33 m² +42% | 2025 |
|---|
| 10, Carter Drive850 m away | 89 m² | 122 m² | +33 m² +37% | 2016 |
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| 27, Horndon Road455 m away | 85 m² | 117 m² | +32 m² +38% | 2025 |
|---|
| 1, Longview Way478 m away | 80 m² | 112 m² | +32 m² +40% | 2013 |
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| 31, Faircross Avenue794 m away | 67 m² | 98 m² | +31 m² +46% | 2025 |
|---|
| 12, Hood Walk298 m away | 78 m² | 109 m² | +31 m² +40% | 2024 |
|---|
| 3, Victory Way536 m away | 89 m² | 120 m² | +31 m² +35% | 2023 |
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| 13, Raider Close555 m away | 70 m² | 101 m² | +31 m² +44% | 2016 |
|---|
| 26, Birch Close965 m away | 75 m² | 106 m² | +31 m² +41% | 2016 |
|---|
| 7, Wainfleet Avenue533 m away | 89 m² | 120 m² | +31 m² +35% | 2013 |
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| 22, Dunster Close523 m away | 95 m² | 125 m² | +30 m² +32% | 2025 |
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| 338, Mawney Road755 m away | 137 m² | 167 m² | +30 m² +22% | 2025 |
|---|
| 28a, Rosedale Road837 m away | 84 m² | 114 m² | +30 m² +36% | 2018 |
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| 40, Lodge Lane975 m away | 75 m² | 105 m² | +30 m² +40% | 2017 |
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| 3, Penn Gardens967 m away | 92 m² | 121 m² | +29 m² +32% | 2024 |
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| 65, Portnoi Close825 m away | 91 m² | 120 m² | +29 m² +32% | 2022 |
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| 236, Cross Road434 m away | 40 m² | 69 m² | +29 m² +73% | 2021 |
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| 167, Collier Row Lane190 m away | 87 m² | 116 m² | +29 m² +33% | 2018 |
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| 15, Hood Walk298 m away | 68 m² | 97 m² | +29 m² +43% | 2014 |
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| 58, Lynton Avenue201 m away | 68 m² | 96 m² | +28 m² +41% | 2025 |
|---|
| 9, Howe Close582 m away | 93 m² | 121 m² | +28 m² +30% | 2024 |
|---|
| 231, Havering Road682 m away | 108 m² | 136 m² | +28 m² +26% | 2020 |
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| 74, Percy Road665 m away | 82 m² | 110 m² | +28 m² +34% | 2019 |
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| 18, Collier Row Lane719 m away | 101 m² | 129 m² | +28 m² +28% | 2013 |
|---|
| 3, Mowbrays Road528 m away | 73 m² | 100 m² | +27 m² +37% | 2025 |
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| 45, Elm Road334 m away | 98 m² | 125 m² | +27 m² +28% | 2022 |
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| 55, Brockley Crescent380 m away | 43 m² | 70 m² | +27 m² +63% | 2016 |
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| 431, Mawney Road520 m away | 71 m² | 98 m² | +27 m² +38% | 2016 |
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| 12, Bartlow Gardens672 m away | 86 m² | 112 m² | +26 m² +30% | 2026 |
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| 19, Anson Close519 m away | 67 m² | 93 m² | +26 m² +39% | 2025 |
|---|
| 5, Burchwall Close511 m away | 74 m² | 100 m² | +26 m² +35% | 2022 |
|---|
| 295, Mawney Road842 m away | 105 m² | 131 m² | +26 m² +25% | 2016 |
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| 26, Hillfoot Road436 m away | 74 m² | 100 m² | +26 m² +35% | 2015 |
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| 84, Gelsthorpe Road673 m away | 98 m² | 123 m² | +25 m² +26% | 2026 |
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| 5, Elm Road334 m away | 75 m² | 100 m² | +25 m² +33% | 2025 |
|---|
| 60, The Drive653 m away | 77 m² | 102 m² | +25 m² +32% | 2025 |
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| 268, Pettits Lane North775 m away | 98 m² | 123 m² | +25 m² +26% | 2023 |
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| 74, Birch Road910 m away | 91 m² | 116 m² | +25 m² +27% | 2020 |
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| 34, Priests Avenue848 m away | 82 m² | 107 m² | +25 m² +30% | 2018 |
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| 380, Mawney Road651 m away | 131 m² | 155 m² | +24 m² +18% | 2019 |
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| 2, Judith Avenue994 m away | 128 m² | 151 m² | +23 m² +18% | 2026 |
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| 49, Ramsden Drive778 m away | 77 m² | 100 m² | +23 m² +30% | 2025 |
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| 1, Raider Close555 m away | 66 m² | 89 m² | +23 m² +35% | 2023 |
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| 30, Ferndale Road511 m away | 77 m² | 100 m² | +23 m² +30% | 2020 |
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| 72, Lynton Avenue201 m away | 68 m² | 91 m² | +23 m² +34% | 2019 |
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| 55, Heather Way858 m away | 62 m² | 85 m² | +23 m² +37% | 2018 |
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| 55, Mowbrays Road327 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
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| 235, Cross Road434 m away | 64 m² | 87 m² | +23 m² +36% | 2011 |
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| 17, Hulse Avenue290 m away | 91 m² | 113 m² | +22 m² +24% | 2026 |
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| 88, Collier Row Road616 m away | 69 m² | 91 m² | +22 m² +32% | 2026 |
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| 12, Penn Gardens967 m away | 146 m² | 168 m² | +22 m² +15% | 2025 |
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| 131, Chase Cross Road879 m away | 109 m² | 131 m² | +22 m² +20% | 2023 |
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| 17, Kenway275 m away | 74 m² | 96 m² | +22 m² +30% | 2021 |
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| 1, Highfield Road824 m away | 129 m² | 151 m² | +22 m² +17% | 2020 |
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| 61, Lawns Way555 m away | 74 m² | 96 m² | +22 m² +30% | 2019 |
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| 5, Wainfleet Avenue533 m away | 86 m² | 108 m² | +22 m² +26% | 2016 |
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| 3, Howe Close582 m away | 98 m² | 120 m² | +22 m² +22% | 2015 |
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| 100, Riversdale Road704 m away | 87 m² | 109 m² | +22 m² +25% | 2014 |
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| 29, Fullers Close413 m away | 47 m² | 68 m² | +21 m² +45% | 2026 |
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| 25, Burland Road950 m away | 87 m² | 108 m² | +21 m² +24% | 2024 |
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| 25, Hillfoot Road255 m away | 120 m² | 141 m² | +21 m² +18% | 2022 |
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| 182, Hainault Road617 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
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| 1, Berkeley Avenue703 m away | 137 m² | 158 m² | +21 m² +15% | 2020 |
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| 227, Collier Row Lane52 m away | 81 m² | 101 m² | +20 m² +25% | 2026 |
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| 37, Lynton Avenue200 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
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| 43, Ramsden Drive778 m away | 67 m² | 87 m² | +20 m² +30% | 2023 |
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| 31, Rosedale Road958 m away | 100 m² | 120 m² | +20 m² +20% | 2018 |
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| 15, Birch Road936 m away | 86 m² | 105 m² | +19 m² +22% | 2026 |
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| 34, Victory Way451 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
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| 22, Birch Close965 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
|---|
| 9, Collier Row Lane716 m away | 64 m² | 83 m² | +19 m² +30% | 2024 |
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| 33, Elm Road334 m away | 109 m² | 128 m² | +19 m² +17% | 2020 |
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| 112, White Hart Lane664 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
|---|
| 96, Mowbrays Road327 m away | 75 m² | 93 m² | +18 m² +24% | 2022 |
|---|
| 4, Elm Road334 m away | 75 m² | 93 m² | +18 m² +24% | 2021 |
|---|
| 7, Heather Glen925 m away | 83 m² | 101 m² | +18 m² +22% | 2019 |
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| 59, Mowbrays Road327 m away | 63 m² | 81 m² | +18 m² +29% | 2016 |
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| 43, The Drive664 m away | 69 m² | 87 m² | +18 m² +26% | 2016 |
|---|
| 38, Hood Walk298 m away | 81 m² | 98 m² | +17 m² +21% | 2026 |
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| 2, Ramsden Drive680 m away | 66 m² | 83 m² | +17 m² +26% | 2025 |
|---|
| 115, Linley Crescent781 m away | 83 m² | 100 m² | +17 m² +20% | 2025 |
|---|
| 13, Oaks Avenue647 m away | 95 m² | 112 m² | +17 m² +18% | 2024 |
|---|
| 17, Abbotts Close836 m away | 69 m² | 86 m² | +17 m² +25% | 2023 |
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| 307, Mawney Road842 m away | 111 m² | 128 m² | +17 m² +15% | 2022 |
|---|
| 18, Kenway275 m away | 78 m² | 95 m² | +17 m² +22% | 2021 |
|---|
| 4, Wood View Mews809 m away | 92 m² | 109 m² | +17 m² +18% | 2021 |
|---|
| 1, Lynton Avenue195 m away | 69 m² | 86 m² | +17 m² +25% | 2019 |
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| 23, Berkeley Avenue703 m away | 96 m² | 113 m² | +17 m² +18% | 2014 |
|---|
| 22, Saffron Road571 m away | 78 m² | 95 m² | +17 m² +22% | 2013 |
|---|
| 35, Orchard Road413 m away | 61 m² | 77 m² | +16 m² +26% | 2026 |
|---|
| 43, Percy Road699 m away | 75 m² | 91 m² | +16 m² +21% | 2026 |
|---|
| 290, Pettits Lane North775 m away | 78 m² | 94 m² | +16 m² +21% | 2026 |
|---|
| 50, The Drive653 m away | 69 m² | 85 m² | +16 m² +23% | 2024 |
|---|
| Apartment 30, Tythe Court, 141, White Hart Lane712 m away | 43 m² | 59 m² | +16 m² +37% | 2023 |
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| 64, Lodge Lane975 m away | 83 m² | 99 m² | +16 m² +19% | 2022 |
|---|
| 16, Selsdon Close313 m away | 85 m² | 101 m² | +16 m² +19% | 2019 |
|---|
| 211, Cross Road805 m away | 59 m² | 75 m² | +16 m² +27% | 2019 |
|---|
| 17, Havering Road926 m away | 103 m² | 119 m² | +16 m² +16% | 2012 |
|---|
| 34, Walmer Close559 m away | 80 m² | 95 m² | +15 m² +19% | 2026 |
|---|
| 9, Ferndale Road511 m away | 71 m² | 86 m² | +15 m² +21% | 2025 |
|---|
| 85, Faircross Avenue794 m away | 68 m² | 83 m² | +15 m² +22% | 2025 |
|---|
| 221, Collier Row Lane52 m away | 92 m² | 107 m² | +15 m² +16% | 2024 |
|---|
| 62, Mowbrays Road327 m away | 65 m² | 80 m² | +15 m² +23% | 2024 |
|---|
| 77, Havering Road768 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
|---|
| 179, Hainault Road771 m away | 82 m² | 97 m² | +15 m² +18% | 2024 |
|---|
| 38, Ashmour Gardens965 m away | 58 m² | 73 m² | +15 m² +26% | 2024 |
|---|
| 17, The Drive664 m away | 72 m² | 87 m² | +15 m² +21% | 2023 |
|---|
| 28, Lynton Avenue195 m away | 64 m² | 79 m² | +15 m² +23% | 2021 |
|---|
| 18, Lynwood Drive817 m away | 69 m² | 84 m² | +15 m² +22% | 2019 |
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