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 RM12 4QU
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 |
|---|---|---|---|---|
| 1, Singleton Close928 m away | 121 m² | 229 m² | +108 m² +89% | 2026 |
| 35, Belmont Road915 m away | 60 m² | 142 m² | +82 m² +137% | 2015 |
| 106, Stanley Road985 m away | 69 m² | 150 m² | +81 m² +117% | 2026 |
| 34, Hunter Drive933 m away | 66 m² | 143 m² | +77 m² +117% | 2025 |
| 14, Barton Road901 m away | 61 m² | 138 m² | +77 m² +126% | 2018 |
| 471, South End Road834 m away | 79 m² | 155 m² | +76 m² +96% | 2021 |
| 64, Vicarage Road985 m away | 64 m² | 140 m² | +76 m² +119% | 2016 |
| 9, Liphook Close985 m away | 118 m² | 193 m² | +75 m² +64% | 2021 |
| 136, Abbs Cross Lane701 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.
| 147 m² |
| 220 m² |
| +73 m² +50% |
| 2022 |
| 34, Hartland Road371 m away | 68 m² | 140 m² | +72 m² +106% | 2022 |
|---|
| 36, Vicarage Road985 m away | 78 m² | 149 m² | +71 m² +91% | 2015 |
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| 81, Randall Drive916 m away | 54 m² | 121 m² | +67 m² +124% | 2020 |
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| 100, Chestnut Avenue628 m away | 89 m² | 155 m² | +66 m² +74% | 2025 |
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| 10, Candover Road983 m away | 141 m² | 207 m² | +66 m² +47% | 2013 |
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| 1, Creasey Close665 m away | 84 m² | 149 m² | +65 m² +77% | 2019 |
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| 51, Dorian Road831 m away | 76 m² | 139 m² | +63 m² +83% | 2018 |
|---|
| 22, Babington Road995 m away | 58 m² | 121 m² | +63 m² +109% | 2015 |
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| 69, Benhurst Avenue361 m away | 62 m² | 124 m² | +62 m² +100% | 2019 |
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| 62, Lancaster Drive645 m away | 82 m² | 143 m² | +61 m² +74% | 2025 |
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| 23, Windermere Avenue770 m away | 82 m² | 143 m² | +61 m² +74% | 2015 |
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| 8, Willow Close218 m away | 72 m² | 132 m² | +60 m² +83% | 2016 |
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| 37, Warren Drive366 m away | 75 m² | 133 m² | +58 m² +77% | 2024 |
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| 26, Candover Road983 m away | 82 m² | 140 m² | +58 m² +71% | 2020 |
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| 181, Albany Road432 m away | 44 m² | 102 m² | +58 m² +132% | 2019 |
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| 120, Diban Avenue434 m away | 69 m² | 124 m² | +55 m² +80% | 2024 |
|---|
| 19, Milton Avenue901 m away | 82 m² | 136 m² | +54 m² +66% | 2025 |
|---|
| 81, St Andrews Avenue840 m away | 95 m² | 149 m² | +54 m² +57% | 2024 |
|---|
| 113, Abbs Cross Lane822 m away | 152 m² | 206 m² | +54 m² +36% | 2015 |
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| 21, Chiltern Gardens826 m away | 67 m² | 120 m² | +53 m² +79% | 2022 |
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| 3, Sunrise Avenue487 m away | 86 m² | 139 m² | +53 m² +62% | 2016 |
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| 130, Laburnum Walk974 m away | 99 m² | 151 m² | +52 m² +53% | 2022 |
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| 85, Stanley Road945 m away | 71 m² | 121 m² | +50 m² +70% | 2024 |
|---|
| 35, Guardian Close706 m away | 89 m² | 139 m² | +50 m² +56% | 2014 |
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| 32, Guardian Close706 m away | 77 m² | 125 m² | +48 m² +62% | 2025 |
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| 129, Eyhurst Avenue350 m away | 71 m² | 119 m² | +48 m² +68% | 2020 |
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| 155, Warren Drive0 m away | 64 m² | 112 m² | +48 m² +75% | 2013 |
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| 38, Milton Avenue886 m away | 74 m² | 121 m² | +47 m² +64% | 2025 |
|---|
| 69, Dorian Road831 m away | 96 m² | 143 m² | +47 m² +49% | 2020 |
|---|
| 101, Suttons Avenue789 m away | 82 m² | 128 m² | +46 m² +56% | 2020 |
|---|
| 6, Forbes Close887 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
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| 24, Hartland Road371 m away | 120 m² | 164 m² | +44 m² +37% | 2019 |
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| 16a, Cowdray Way761 m away | 45 m² | 89 m² | +44 m² +98% | 2009 |
|---|
| 23, Eyhurst Avenue87 m away | 72 m² | 115 m² | +43 m² +60% | 2023 |
|---|
| 29, Guardian Close706 m away | 82 m² | 122 m² | +40 m² +49% | 2025 |
|---|
| 17, Diban Avenue444 m away | 97 m² | 137 m² | +40 m² +41% | 2021 |
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| 84, Laburnum Walk974 m away | 70 m² | 110 m² | +40 m² +57% | 2014 |
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| 14, Northwood Avenue532 m away | 84 m² | 123 m² | +39 m² +46% | 2025 |
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| 2, Willow Close218 m away | 88 m² | 127 m² | +39 m² +44% | 2017 |
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| 15, Benhurst Avenue361 m away | 98 m² | 136 m² | +38 m² +39% | 2026 |
|---|
| 5, Carnforth Gardens850 m away | 87 m² | 125 m² | +38 m² +44% | 2021 |
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| 6, Easedale Drive958 m away | 81 m² | 119 m² | +38 m² +47% | 2021 |
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| 110, Eyhurst Avenue396 m away | 95 m² | 132 m² | +37 m² +39% | 2025 |
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| 15, St Andrews Avenue746 m away | 71 m² | 107 m² | +36 m² +51% | 2025 |
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| 32, Hartland Road371 m away | 92 m² | 127 m² | +35 m² +38% | 2023 |
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| 293, Warren Drive602 m away | 96 m² | 131 m² | +35 m² +36% | 2020 |
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| 123, Diban Avenue434 m away | 67 m² | 102 m² | +35 m² +52% | 2016 |
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| 76, Diban Avenue456 m away | 67 m² | 102 m² | +35 m² +52% | 2015 |
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| 100, Kenilworth Gardens942 m away | 80 m² | 114 m² | +34 m² +43% | 2026 |
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| 96, Windermere Avenue917 m away | 87 m² | 121 m² | +34 m² +39% | 2025 |
|---|
| 59, Petworth Way991 m away | 121 m² | 155 m² | +34 m² +28% | 2014 |
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| 17, Guardian Close706 m away | 51 m² | 83 m² | +32 m² +63% | 2023 |
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| 104, Suttons Avenue933 m away | 66 m² | 98 m² | +32 m² +48% | 2023 |
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| 7, Parish Close603 m away | 132 m² | 164 m² | +32 m² +24% | 2022 |
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| 108, Lancaster Drive916 m away | 85 m² | 117 m² | +32 m² +38% | 2010 |
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| 96, Eyhurst Avenue123 m away | 54 m² | 85 m² | +31 m² +57% | 2026 |
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| 76, Lancaster Drive645 m away | 75 m² | 106 m² | +31 m² +41% | 2025 |
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| 135, Upper Rainham Road966 m away | 84 m² | 115 m² | +31 m² +37% | 2024 |
|---|
| 1a, Lancaster Drive721 m away | 30 m² | 61 m² | +31 m² +103% | 2022 |
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| 3, Maylands Avenue650 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| 31, Guardian Close706 m away | 54 m² | 85 m² | +31 m² +57% | 2018 |
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| 210, Benhurst Avenue283 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 70, Stanley Road985 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 94, Saunton Road539 m away | 90 m² | 119 m² | +29 m² +32% | 2024 |
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| 80, Aldwych Close686 m away | 90 m² | 119 m² | +29 m² +32% | 2023 |
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| 11a, Tadworth Parade616 m away | 44 m² | 73 m² | +29 m² +66% | 2022 |
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| 204, Warren Drive344 m away | 121 m² | 150 m² | +29 m² +24% | 2021 |
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| 9, St Andrews Avenue746 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 170, Abbs Cross Lane701 m away | 85 m² | 114 m² | +29 m² +34% | 2016 |
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| 8, Carfax Road837 m away | 76 m² | 105 m² | +29 m² +38% | 2015 |
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| 169, Albany Road432 m away | 50 m² | 78 m² | +28 m² +56% | 2014 |
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| 14, Adelphi Crescent673 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
|---|
| 22, Lancaster Drive721 m away | 91 m² | 118 m² | +27 m² +30% | 2025 |
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| 73, Laburnum Walk974 m away | 81 m² | 108 m² | +27 m² +33% | 2022 |
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| 18, Apollo Close573 m away | 78 m² | 105 m² | +27 m² +35% | 2015 |
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| 22, Adelphi Crescent673 m away | 69 m² | 96 m² | +27 m² +39% | 2015 |
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| 11, Ambleside Avenue885 m away | 70 m² | 97 m² | +27 m² +39% | 2011 |
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| 7, Carnforth Gardens850 m away | 101 m² | 127 m² | +26 m² +26% | 2026 |
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| 45, Laburnum Walk753 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 5, Rosebank Avenue864 m away | 72 m² | 98 m² | +26 m² +36% | 2023 |
|---|
| 14, Chiltern Gardens826 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
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| 11, Babington Road995 m away | 107 m² | 132 m² | +25 m² +23% | 2025 |
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| 162, Elm Park Avenue355 m away | 56 m² | 81 m² | +25 m² +45% | 2020 |
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| 25, Calbourne Avenue818 m away | 106 m² | 131 m² | +25 m² +24% | 2020 |
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| 25, Aldwych Close686 m away | 101 m² | 126 m² | +25 m² +25% | 2014 |
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| 1, Napier Close882 m away | 117 m² | 142 m² | +25 m² +21% | 2013 |
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| 114, Diban Avenue434 m away | 84 m² | 108 m² | +24 m² +29% | 2022 |
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| 89, Stanley Road945 m away | 65 m² | 89 m² | +24 m² +37% | 2012 |
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| 110, Northwood Avenue532 m away | 87 m² | 110 m² | +23 m² +26% | 2026 |
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| 18, Barton Road901 m away | 67 m² | 90 m² | +23 m² +34% | 2023 |
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| 34, Rural Close788 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
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| 18, Wallis Close853 m away | 97 m² | 120 m² | +23 m² +24% | 2022 |
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| 101, Benhurst Avenue253 m away | 96 m² | 119 m² | +23 m² +24% | 2021 |
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| 14, Tennyson Way915 m away | 67 m² | 90 m² | +23 m² +34% | 2020 |
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| 131, Laburnum Walk974 m away | 80 m² | 102 m² | +22 m² +28% | 2026 |
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| 16, Northwood Avenue532 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 107, Eyhurst Avenue350 m away | 99 m² | 121 m² | +22 m² +22% | 2020 |
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| 179, Warren Drive0 m away | 65 m² | 87 m² | +22 m² +34% | 2014 |
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| 116, Warren Drive34 m away | 95 m² | 116 m² | +21 m² +22% | 2026 |
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| 41, Guardian Close706 m away | 100 m² | 121 m² | +21 m² +21% | 2025 |
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| 142, Stanley Road985 m away | 66 m² | 87 m² | +21 m² +32% | 2025 |
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| 76, Warren Drive34 m away | 98 m² | 119 m² | +21 m² +21% | 2024 |
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| 91, Woburn Avenue644 m away | 116 m² | 137 m² | +21 m² +18% | 2023 |
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| 68, Laburnum Avenue586 m away | 56 m² | 77 m² | +21 m² +38% | 2022 |
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| 18, Guardian Close706 m away | 96 m² | 117 m² | +21 m² +22% | 2022 |
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| 82, Laburnum Walk974 m away | 76 m² | 97 m² | +21 m² +28% | 2020 |
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| 46, Elm Park Avenue366 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
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| 1, Spring Gardens554 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
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| 12, Milton Avenue886 m away | 73 m² | 93 m² | +20 m² +27% | 2024 |
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| 25, Tennyson Way915 m away | 101 m² | 121 m² | +20 m² +20% | 2023 |
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| 71, St Andrews Avenue697 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
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| 21, Wallis Close853 m away | 86 m² | 106 m² | +20 m² +23% | 2021 |
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| 14, Laburnum Avenue586 m away | 119 m² | 139 m² | +20 m² +17% | 2019 |
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| 42, Petworth Way991 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
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| 38, Cowdray Way761 m away | 101 m² | 121 m² | +20 m² +20% | 2015 |
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| 16, Mansfield Gardens991 m away | 86 m² | 106 m² | +20 m² +23% | 2015 |
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| 174, Abbs Cross Lane701 m away | 56 m² | 75 m² | +19 m² +34% | 2019 |
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| 33, Aldwych Close686 m away | 80 m² | 99 m² | +19 m² +24% | 2018 |
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| 25, Ambleside Avenue885 m away | 73 m² | 92 m² | +19 m² +26% | 2010 |
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| 253, Elm Park Avenue540 m away | 99 m² | 117 m² | +18 m² +18% | 2025 |
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| 285, Warren Drive602 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
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| 85, Woburn Avenue644 m away | 77 m² | 95 m² | +18 m² +23% | 2023 |
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| 6a, Broadway Parade477 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 141, Laburnum Avenue672 m away | 70 m² | 87 m² | +17 m² +24% | 2025 |
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| 9, Wallis Close853 m away | 92 m² | 109 m² | +17 m² +18% | 2024 |
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| 3, Yale Way802 m away | 111 m² | 128 m² | +17 m² +15% | 2022 |
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| 56, Diban Avenue456 m away | 74 m² | 91 m² | +17 m² +23% | 2021 |
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| 141a, Albany Road567 m away | 42 m² | 59 m² | +17 m² +40% | 2021 |
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| 24, Vicarage Road985 m away | 65 m² | 82 m² | +17 m² +26% | 2018 |
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| 115, Suttons Avenue789 m away | 81 m² | 98 m² | +17 m² +21% | 2017 |
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| 46, Randall Drive916 m away | 59 m² | 76 m² | +17 m² +29% | 2012 |
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| 17a, The Broadway501 m away | 69 m² | 85 m² | +16 m² +23% | 2025 |
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| 22, Rosebank Avenue864 m away | 85 m² | 101 m² | +16 m² +19% | 2024 |
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| 69, Rosebank Avenue984 m away | 86 m² | 102 m² | +16 m² +19% | 2024 |
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| 14, Elm Park Avenue421 m away | 66 m² | 82 m² | +16 m² +24% | 2022 |
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| 604, South End Road643 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 4, Henderson Close742 m away | 86 m² | 102 m² | +16 m² +19% | 2021 |
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| 81, Laburnum Walk974 m away | 81 m² | 97 m² | +16 m² +20% | 2019 |
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| 57, Rosebank Avenue984 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 139, Kenilworth Gardens942 m away | 63 m² | 79 m² | +16 m² +25% | 2012 |
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| 9, Petworth Way991 m away | 95 m² | 111 m² | +16 m² +17% | 2010 |
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| 111, Upper Rainham Road997 m away | 71 m² | 86 m² | +15 m² +21% | 2026 |
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| 158, Devonshire Road762 m away | 85 m² | 100 m² | +15 m² +18% | 2022 |
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| 95, Randall Drive916 m away | 64 m² | 79 m² | +15 m² +23% | 2021 |
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| 23, Chestnut Avenue855 m away | 83 m² | 98 m² | +15 m² +18% | 2020 |
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| 444, South End Road874 m away | 81 m² | 96 m² | +15 m² +19% | 2020 |
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| 1, Diban Court458 m away | 46 m² | 61 m² | +15 m² +33% | 2019 |
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| 203, Upper Rainham Road828 m away | 69 m² | 84 m² | +15 m² +22% | 2018 |
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| 164, Eyhurst Avenue396 m away | 81 m² | 96 m² | +15 m² +19% | 2014 |
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| 62, Cowdray Way761 m away | 84 m² | 99 m² | +15 m² +18% | 2014 |
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