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 4RA
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 Drive896 m away | 162 m² | 328 m² | +166 m² +102% | 2018 |
| 88, Eastern Avenue East308 m away | 106 m² | 225 m² | +119 m² +112% | 2025 |
| 50, Mashiters Walk937 m away | 112 m² | 231 m² | +119 m² +106% | 2021 |
| 68, Heather Way557 m away | 78 m² | 194 m² | +116 m² +149% | 2023 |
| 68, Havering Road0 m away | 103 m² | 215 m² | +112 m² +109% | 2024 |
| 123a, Pettits Lane791 m away | 94 m² | 205 m² | +111 m² +118% | 2025 |
| 274, Mawney Road775 m away | 91 m² | 200 m² | +109 m² +120% | 2026 |
| 16, Millbrook Gardens939 m away | 88 m² | 195 m² | +107 m² +122% | 2021 |
| 87, Havering Road0 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 |
| 1, Ivey Villas, 62, Brooklands Road928 m away | 98 m² | 195 m² | +97 m² +99% | 2022 |
|---|
| 20, Park Drive896 m away | 160 m² | 256 m² | +96 m² +60% | 2025 |
|---|
| 23, Parkland Avenue938 m away | 126 m² | 220 m² | +94 m² +75% | 2024 |
|---|
| 11, Birch Road949 m away | 66 m² | 159 m² | +93 m² +141% | 2020 |
|---|
| 52, Mashiters Walk937 m away | 92 m² | 185 m² | +93 m² +101% | 2019 |
|---|
| 84, Pettits Lane898 m away | 148 m² | 235 m² | +87 m² +59% | 2023 |
|---|
| 111, Parkside Avenue326 m away | 85 m² | 171 m² | +86 m² +101% | 2021 |
|---|
| 275, Pettits Lane North715 m away | 85 m² | 171 m² | +86 m² +101% | 2021 |
|---|
| 15, The Avenue828 m away | 93 m² | 178 m² | +85 m² +91% | 2023 |
|---|
| 37, Havering Drive821 m away | 139 m² | 216 m² | +77 m² +55% | 2020 |
|---|
| 148, Pettits Lane671 m away | 72 m² | 146 m² | +74 m² +103% | 2013 |
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| 50, Lawns Way937 m away | 75 m² | 145 m² | +70 m² +93% | 2024 |
|---|
| 57, Eastern Avenue East228 m away | 60 m² | 129 m² | +69 m² +115% | 2016 |
|---|
| 47, Hainault Road521 m away | 93 m² | 160 m² | +67 m² +72% | 2024 |
|---|
| 61, Marshalls Drive571 m away | 87 m² | 154 m² | +67 m² +77% | 2022 |
|---|
| 109, Pettits Lane898 m away | 100 m² | 165 m² | +65 m² +65% | 2025 |
|---|
| 3, Bartlow Gardens873 m away | 51 m² | 115 m² | +64 m² +125% | 2026 |
|---|
| 5, Ayr Green977 m away | 97 m² | 160 m² | +63 m² +65% | 2023 |
|---|
| 186, Collier Row Lane768 m away | 82 m² | 142 m² | +60 m² +73% | 2024 |
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| 34, Poplar Street943 m away | 88 m² | 148 m² | +60 m² +68% | 2024 |
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| 21, The Avenue828 m away | 94 m² | 153 m² | +59 m² +63% | 2023 |
|---|
| 45, Ayr Way993 m away | 92 m² | 151 m² | +59 m² +64% | 2022 |
|---|
| 33, Wainfleet Avenue293 m away | 85 m² | 143 m² | +58 m² +68% | 2026 |
|---|
| 34, Heather Drive537 m away | 63 m² | 121 m² | +58 m² +92% | 2026 |
|---|
| 25, The Chase710 m away | 116 m² | 174 m² | +58 m² +50% | 2024 |
|---|
| 13, Millbrook Gardens939 m away | 78 m² | 136 m² | +58 m² +74% | 2021 |
|---|
| 46, Forest Road989 m away | 73 m² | 131 m² | +58 m² +79% | 2019 |
|---|
| 66, Hillfoot Road607 m away | 64 m² | 121 m² | +57 m² +89% | 2020 |
|---|
| 56, Ayr Way993 m away | 106 m² | 162 m² | +56 m² +53% | 2026 |
|---|
| 15, Wallace Way895 m away | 149 m² | 205 m² | +56 m² +38% | 2021 |
|---|
| 41, Beauly Way994 m away | 85 m² | 141 m² | +56 m² +66% | 2020 |
|---|
| 329, Mawney Road803 m away | 74 m² | 130 m² | +56 m² +76% | 2011 |
|---|
| 104, Seymer Road521 m away | 83 m² | 138 m² | +55 m² +66% | 2026 |
|---|
| 85, Eastern Avenue East361 m away | 87 m² | 141 m² | +54 m² +62% | 2019 |
|---|
| 231, Cross Road931 m away | 86 m² | 140 m² | +54 m² +63% | 2016 |
|---|
| 340, Mawney Road759 m away | 74 m² | 127 m² | +53 m² +72% | 2022 |
|---|
| 27, The Drive972 m away | 62 m² | 114 m² | +52 m² +84% | 2019 |
|---|
| 43, Heather Drive537 m away | 58 m² | 110 m² | +52 m² +90% | 2016 |
|---|
| 255, Pettits Lane North679 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
|---|
| 34, Epping Close946 m away | 108 m² | 159 m² | +51 m² +47% | 2015 |
|---|
| 2, Hamilton Avenue134 m away | 104 m² | 154 m² | +50 m² +48% | 2021 |
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| 502, Mawney Road642 m away | 88 m² | 137 m² | +49 m² +56% | 2026 |
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| 9, Moray Way988 m away | 92 m² | 141 m² | +49 m² +53% | 2026 |
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| 497, Mawney Road670 m away | 97 m² | 146 m² | +49 m² +51% | 2025 |
|---|
| 114, North Street946 m away | 75 m² | 124 m² | +49 m² +65% | 2022 |
|---|
| 1, Goring Close868 m away | 84 m² | 133 m² | +49 m² +58% | 2020 |
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| 177, Mawney Road945 m away | 153 m² | 202 m² | +49 m² +32% | 2019 |
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| 173, Collier Row Lane619 m away | 91 m² | 139 m² | +48 m² +53% | 2025 |
|---|
| 17, Heather Drive537 m away | 60 m² | 108 m² | +48 m² +80% | 2020 |
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| 8, Argus Close992 m away | 96 m² | 144 m² | +48 m² +50% | 2020 |
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| 2, Redriff Road613 m away | 83 m² | 130 m² | +47 m² +57% | 2017 |
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| 155, Pettits Lane696 m away | 93 m² | 139 m² | +46 m² +49% | 2026 |
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| 479, Mawney Road670 m away | 116 m² | 162 m² | +46 m² +40% | 2025 |
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| 258, Mawney Road835 m away | 107 m² | 153 m² | +46 m² +43% | 2024 |
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| 23, Lawns Way813 m away | 103 m² | 149 m² | +46 m² +45% | 2023 |
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| 4, Deveron Way969 m away | 79 m² | 125 m² | +46 m² +58% | 2022 |
|---|
| 59, Willow Street933 m away | 75 m² | 121 m² | +46 m² +61% | 2018 |
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| 27, Dunster Close471 m away | 83 m² | 128 m² | +45 m² +54% | 2023 |
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| 118, Havering Road149 m away | 84 m² | 129 m² | +45 m² +54% | 2020 |
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| 260, Cross Road931 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
|---|
| 9, William Close450 m away | 87 m² | 131 m² | +44 m² +51% | 2024 |
|---|
| 12, Mashiters Walk921 m away | 100 m² | 143 m² | +43 m² +43% | 2025 |
|---|
| 57, Lawns Way937 m away | 83 m² | 126 m² | +43 m² +52% | 2023 |
|---|
| 32, Hamilton Avenue134 m away | 95 m² | 138 m² | +43 m² +45% | 2020 |
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| 49, Lynton Avenue877 m away | 68 m² | 111 m² | +43 m² +63% | 2019 |
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| 504, Mawney Road642 m away | 90 m² | 132 m² | +42 m² +47% | 2023 |
|---|
| 62, Havering Drive821 m away | 88 m² | 130 m² | +42 m² +48% | 2021 |
|---|
| 71, Portnoi Close301 m away | 89 m² | 131 m² | +42 m² +47% | 2015 |
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| 62, Fontayne Avenue524 m away | 86 m² | 127 m² | +41 m² +48% | 2025 |
|---|
| Squirrels Lodge, 2a, Havering Drive894 m away | 193 m² | 234 m² | +41 m² +21% | 2021 |
|---|
| 14, Poplar Street943 m away | 82 m² | 123 m² | +41 m² +50% | 2021 |
|---|
| 12, Pettits Boulevard831 m away | 83 m² | 123 m² | +40 m² +48% | 2021 |
|---|
| 39, Dee Way933 m away | 83 m² | 123 m² | +40 m² +48% | 2020 |
|---|
| 78, Seymer Road521 m away | 40 m² | 79 m² | +39 m² +98% | 2022 |
|---|
| 494, Mawney Road642 m away | 59 m² | 98 m² | +39 m² +66% | 2022 |
|---|
| 52, Lawns Way937 m away | 71 m² | 110 m² | +39 m² +55% | 2015 |
|---|
| 10, Pettits Close594 m away | 92 m² | 130 m² | +38 m² +41% | 2026 |
|---|
| 87, Parkside Avenue326 m away | 74 m² | 112 m² | +38 m² +51% | 2025 |
|---|
| 23, Heather Drive537 m away | 57 m² | 95 m² | +38 m² +67% | 2019 |
|---|
| 12, Heather Drive537 m away | 55 m² | 93 m² | +38 m² +69% | 2014 |
|---|
| 98, Havering Road0 m away | 122 m² | 159 m² | +37 m² +30% | 2024 |
|---|
| 7, Heather Close604 m away | 55 m² | 92 m² | +37 m² +67% | 2016 |
|---|
| 1, Saffron Road261 m away | 88 m² | 124 m² | +36 m² +41% | 2021 |
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| 122, Pettits Lane791 m away | 100 m² | 136 m² | +36 m² +36% | 2021 |
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| 27, Heather Avenue393 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 9, Oaks Avenue127 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 195, Pettits Lane671 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
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| 382, Mawney Road781 m away | 90 m² | 125 m² | +35 m² +39% | 2024 |
|---|
| 25, The Drive972 m away | 61 m² | 96 m² | +35 m² +57% | 2022 |
|---|
| 144, Hainault Road305 m away | 80 m² | 115 m² | +35 m² +44% | 2016 |
|---|
| 86, Mashiters Walk870 m away | 94 m² | 128 m² | +34 m² +36% | 2026 |
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| 10, Anson Close986 m away | 83 m² | 117 m² | +34 m² +41% | 2025 |
|---|
| 53, Mcintosh Road732 m away | 114 m² | 148 m² | +34 m² +30% | 2024 |
|---|
| 146, Parkside Avenue500 m away | 62 m² | 96 m² | +34 m² +55% | 2023 |
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| 29, Wainfleet Avenue293 m away | 82 m² | 116 m² | +34 m² +41% | 2019 |
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| 149, Parkside Avenue481 m away | 61 m² | 95 m² | +34 m² +56% | 2018 |
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| 32, Birch Close909 m away | 73 m² | 107 m² | +34 m² +47% | 2016 |
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| 489, Mawney Road670 m away | 95 m² | 128 m² | +33 m² +35% | 2025 |
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| 15, Essex Road997 m away | 75 m² | 108 m² | +33 m² +44% | 2020 |
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| 27, Horndon Road343 m away | 85 m² | 117 m² | +32 m² +38% | 2025 |
|---|
| 7, Heather Drive537 m away | 51 m² | 83 m² | +32 m² +63% | 2021 |
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| 121, Parkside Avenue326 m away | 45 m² | 77 m² | +32 m² +71% | 2020 |
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| 23, Millbrook Gardens939 m away | 110 m² | 142 m² | +32 m² +29% | 2020 |
|---|
| 1, Longview Way521 m away | 80 m² | 112 m² | +32 m² +40% | 2013 |
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| 26, Birch Close909 m away | 75 m² | 106 m² | +31 m² +41% | 2016 |
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| 7, Wainfleet Avenue293 m away | 89 m² | 120 m² | +31 m² +35% | 2013 |
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| 113, Parkside Avenue326 m away | 63 m² | 94 m² | +31 m² +49% | 2012 |
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| 22, Dunster Close517 m away | 95 m² | 125 m² | +30 m² +32% | 2025 |
|---|
| 338, Mawney Road759 m away | 137 m² | 167 m² | +30 m² +22% | 2025 |
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| 135, Pettits Lane791 m away | 93 m² | 123 m² | +30 m² +32% | 2019 |
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| 28a, Rosedale Road230 m away | 84 m² | 114 m² | +30 m² +36% | 2018 |
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| 65, Portnoi Close301 m away | 91 m² | 120 m² | +29 m² +32% | 2022 |
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| 54, Dee Way976 m away | 98 m² | 127 m² | +29 m² +30% | 2022 |
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| 16, Havering Drive894 m away | 120 m² | 149 m² | +29 m² +24% | 2021 |
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| 236, Cross Road931 m away | 40 m² | 69 m² | +29 m² +73% | 2021 |
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| 167, Collier Row Lane619 m away | 87 m² | 116 m² | +29 m² +33% | 2018 |
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| 71, Marshalls Drive676 m away | 56 m² | 85 m² | +29 m² +52% | 2014 |
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| 135, Dorset Avenue548 m away | 126 m² | 154 m² | +28 m² +22% | 2026 |
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| 58, Lynton Avenue903 m away | 68 m² | 96 m² | +28 m² +41% | 2025 |
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| 231, Havering Road551 m away | 108 m² | 136 m² | +28 m² +26% | 2020 |
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| 74, Percy Road574 m away | 82 m² | 110 m² | +28 m² +34% | 2019 |
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| 66, Cedar Road933 m away | 80 m² | 108 m² | +28 m² +35% | 2016 |
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| 169, North Street700 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
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| 18, Collier Row Lane115 m away | 101 m² | 129 m² | +28 m² +28% | 2013 |
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| 3, Mowbrays Road404 m away | 73 m² | 100 m² | +27 m² +37% | 2025 |
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| 44, Ayr Way993 m away | 94 m² | 121 m² | +27 m² +29% | 2025 |
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| 45, Elm Road831 m away | 98 m² | 125 m² | +27 m² +28% | 2022 |
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| 431, Mawney Road836 m away | 71 m² | 98 m² | +27 m² +38% | 2016 |
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| 55, Brockley Crescent949 m away | 43 m² | 70 m² | +27 m² +63% | 2016 |
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| 12, Bartlow Gardens841 m away | 86 m² | 112 m² | +26 m² +30% | 2026 |
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| 19, Anson Close986 m away | 67 m² | 93 m² | +26 m² +39% | 2025 |
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| 38, Marshalls Drive588 m away | 72 m² | 98 m² | +26 m² +36% | 2022 |
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| 184, North Street804 m away | 142 m² | 168 m² | +26 m² +18% | 2021 |
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| 8, Deveron Way969 m away | 70 m² | 96 m² | +26 m² +37% | 2017 |
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| 2, Raphael Avenue994 m away | 126 m² | 152 m² | +26 m² +21% | 2017 |
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| 4a, Essex Road997 m away | 105 m² | 131 m² | +26 m² +25% | 2017 |
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| 295, Mawney Road797 m away | 105 m² | 131 m² | +26 m² +25% | 2016 |
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| 26, Hillfoot Road598 m away | 74 m² | 100 m² | +26 m² +35% | 2015 |
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| 5, Elm Road831 m away | 75 m² | 100 m² | +25 m² +33% | 2025 |
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| 60, The Drive938 m away | 77 m² | 102 m² | +25 m² +32% | 2025 |
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| 268, Pettits Lane North733 m away | 98 m² | 123 m² | +25 m² +26% | 2023 |
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| 74, Birch Road954 m away | 91 m² | 116 m² | +25 m² +27% | 2020 |
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| 34, Priests Avenue236 m away | 82 m² | 107 m² | +25 m² +30% | 2018 |
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| 94, Seymer Road521 m away | 76 m² | 100 m² | +24 m² +32% | 2024 |
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| 380, Mawney Road781 m away | 131 m² | 155 m² | +24 m² +18% | 2019 |
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| 119, Eastern Avenue East361 m away | 99 m² | 123 m² | +24 m² +24% | 2014 |
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| 93, Seymer Road461 m away | 80 m² | 104 m² | +24 m² +30% | 2013 |
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| 49, Brooklands Road928 m away | 77 m² | 100 m² | +23 m² +30% | 2026 |
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| 4, Aveley Road999 m away | 74 m² | 97 m² | +23 m² +31% | 2025 |
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| 116, Pettits Lane791 m away | 136 m² | 159 m² | +23 m² +17% | 2021 |
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| 38, Millbrook Gardens939 m away | 84 m² | 107 m² | +23 m² +27% | 2021 |
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| 30, Ferndale Road263 m away | 77 m² | 100 m² | +23 m² +30% | 2020 |
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| 72, Lynton Avenue903 m away | 68 m² | 91 m² | +23 m² +34% | 2019 |
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| 55, Heather Way565 m away | 62 m² | 85 m² | +23 m² +37% | 2018 |
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| 55, Mowbrays Road442 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
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| 235, Cross Road931 m away | 64 m² | 87 m² | +23 m² +36% | 2011 |
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| 35, Eastern Avenue East245 m away | 65 m² | 87 m² | +22 m² +34% | 2024 |
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| 17, Kenway629 m away | 74 m² | 96 m² | +22 m² +30% | 2021 |
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| 61, Lawns Way937 m away | 74 m² | 96 m² | +22 m² +30% | 2019 |
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| 56, Beauly Way994 m away | 111 m² | 133 m² | +22 m² +20% | 2018 |
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| 22, The Avenue828 m away | 117 m² | 139 m² | +22 m² +19% | 2017 |
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| 5, Wainfleet Avenue293 m away | 86 m² | 108 m² | +22 m² +26% | 2016 |
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| 2, Heather Drive537 m away | 102 m² | 124 m² | +22 m² +22% | 2012 |
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| 68, Roslyn Gardens962 m away | 140 m² | 161 m² | +21 m² +15% | 2026 |
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| 105, Mashiters Walk787 m away | 98 m² | 119 m² | +21 m² +21% | 2025 |
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| 85, Dorset Avenue548 m away | 96 m² | 117 m² | +21 m² +22% | 2023 |
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| Flat 3, Graveney Court, Riverside Close815 m away | 53 m² | 74 m² | +21 m² +40% | 2023 |
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| 25, Hillfoot Road573 m away | 120 m² | 141 m² | +21 m² +18% | 2022 |
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| 182, Hainault Road346 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
|---|
| 6, Hainault Road521 m away | 66 m² | 87 m² | +21 m² +32% | 2021 |
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| 44, Heather Drive537 m away | 115 m² | 136 m² | +21 m² +18% | 2019 |
|---|
| 94, Dorset Avenue548 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
|---|
| 12, Epping Close946 m away | 89 m² | 110 m² | +21 m² +24% | 2016 |
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| 227, Collier Row Lane813 m away | 81 m² | 101 m² | +20 m² +25% | 2026 |
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| 5, Hill Grove663 m away | 91 m² | 111 m² | +20 m² +22% | 2025 |
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| 37, Lynton Avenue877 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
|---|
| 31, Rosedale Road316 m away | 100 m² | 120 m² | +20 m² +20% | 2018 |
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| 7, The Avenue828 m away | 129 m² | 149 m² | +20 m² +16% | 2014 |
|---|
| 18, Ayr Way827 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
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| 15, Birch Road949 m away | 86 m² | 105 m² | +19 m² +22% | 2026 |
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| 22, Birch Close909 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
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| 9, Collier Row Lane175 m away | 64 m² | 83 m² | +19 m² +30% | 2024 |
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| 33, Elm Road831 m away | 109 m² | 128 m² | +19 m² +17% | 2020 |
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| 91, Dorset Avenue548 m away | 93 m² | 112 m² | +19 m² +20% | 2016 |
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| 96, Mowbrays Road442 m away | 75 m² | 93 m² | +18 m² +24% | 2022 |
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| 4, Elm Road831 m away | 75 m² | 93 m² | +18 m² +24% | 2021 |
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| 117, Dorset Avenue548 m away | 78 m² | 96 m² | +18 m² +23% | 2020 |
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| 7, Heather Glen336 m away | 83 m² | 101 m² | +18 m² +22% | 2019 |
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| 59, Mowbrays Road442 m away | 63 m² | 81 m² | +18 m² +29% | 2016 |
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| 43, The Drive972 m away | 69 m² | 87 m² | +18 m² +26% | 2016 |
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| Flat 20, Calder Court, Riverside Close813 m away | 44 m² | 62 m² | +18 m² +41% | 2009 |
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