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 4QX
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 Close935 m away | 121 m² | 229 m² | +108 m² +89% | 2026 |
| 35, Belmont Road890 m away | 60 m² | 142 m² | +82 m² +137% | 2015 |
| 106, Stanley Road974 m away | 69 m² | 150 m² | +81 m² +117% | 2026 |
| 34, Hunter Drive899 m away | 66 m² | 143 m² | +77 m² +117% | 2025 |
| 14, Barton Road933 m away | 61 m² | 138 m² | +77 m² +126% | 2018 |
| 471, South End Road805 m away | 79 m² | 155 m² | +76 m² +96% | 2021 |
| 9, Liphook Close990 m away | 118 m² | 193 m² | +75 m² +64% | 2021 |
| 136, Abbs Cross Lane693 m away | 147 m² | 220 m² | +73 m² +50% | 2022 |
| 34, Hartland Road403 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.
| 68 m² |
| 140 m² |
| +72 m² +106% |
| 2022 |
| 81, Randall Drive885 m away | 54 m² | 121 m² | +67 m² +124% | 2020 |
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| 100, Chestnut Avenue661 m away | 89 m² | 155 m² | +66 m² +74% | 2025 |
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| 1, Creasey Close679 m away | 84 m² | 149 m² | +65 m² +77% | 2019 |
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| 51, Dorian Road859 m away | 76 m² | 139 m² | +63 m² +83% | 2018 |
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| 69, Benhurst Avenue333 m away | 62 m² | 124 m² | +62 m² +100% | 2019 |
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| 62, Lancaster Drive612 m away | 82 m² | 143 m² | +61 m² +74% | 2025 |
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| 23, Windermere Avenue756 m away | 82 m² | 143 m² | +61 m² +74% | 2015 |
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| 8, Willow Close186 m away | 72 m² | 132 m² | +60 m² +83% | 2016 |
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| 37, Warren Drive348 m away | 75 m² | 133 m² | +58 m² +77% | 2024 |
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| 181, Albany Road466 m away | 44 m² | 102 m² | +58 m² +132% | 2019 |
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| 120, Diban Avenue406 m away | 69 m² | 124 m² | +55 m² +80% | 2024 |
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| 19, Milton Avenue935 m away | 82 m² | 136 m² | +54 m² +66% | 2025 |
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| 81, St Andrews Avenue834 m away | 95 m² | 149 m² | +54 m² +57% | 2024 |
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| 113, Abbs Cross Lane815 m away | 152 m² | 206 m² | +54 m² +36% | 2015 |
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| 21, Chiltern Gardens798 m away | 67 m² | 120 m² | +53 m² +79% | 2022 |
|---|
| 3, Sunrise Avenue470 m away | 86 m² | 139 m² | +53 m² +62% | 2016 |
|---|
| 130, Laburnum Walk943 m away | 99 m² | 151 m² | +52 m² +53% | 2022 |
|---|
| 85, Stanley Road932 m away | 71 m² | 121 m² | +50 m² +70% | 2024 |
|---|
| 35, Guardian Close729 m away | 89 m² | 139 m² | +50 m² +56% | 2014 |
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| 32, Guardian Close729 m away | 77 m² | 125 m² | +48 m² +62% | 2025 |
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| 129, Eyhurst Avenue357 m away | 71 m² | 119 m² | +48 m² +68% | 2020 |
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| 155, Warren Drive34 m away | 64 m² | 112 m² | +48 m² +75% | 2013 |
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| 38, Milton Avenue920 m away | 74 m² | 121 m² | +47 m² +64% | 2025 |
|---|
| 69, Dorian Road859 m away | 96 m² | 143 m² | +47 m² +49% | 2020 |
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| 101, Suttons Avenue766 m away | 82 m² | 128 m² | +46 m² +56% | 2020 |
|---|
| 6, Forbes Close905 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
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| 24, Hartland Road403 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 Avenue60 m away | 72 m² | 115 m² | +43 m² +60% | 2023 |
|---|
| 29, Guardian Close729 m away | 82 m² | 122 m² | +40 m² +49% | 2025 |
|---|
| 17, Diban Avenue410 m away | 97 m² | 137 m² | +40 m² +41% | 2021 |
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| 11, Connaught Road986 m away | 77 m² | 117 m² | +40 m² +52% | 2018 |
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| 84, Laburnum Walk943 m away | 70 m² | 110 m² | +40 m² +57% | 2014 |
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| 14, Northwood Avenue531 m away | 84 m² | 123 m² | +39 m² +46% | 2025 |
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| 2, Willow Close186 m away | 88 m² | 127 m² | +39 m² +44% | 2017 |
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| 15, Benhurst Avenue333 m away | 98 m² | 136 m² | +38 m² +39% | 2026 |
|---|
| 5, Carnforth Gardens835 m away | 87 m² | 125 m² | +38 m² +44% | 2021 |
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| 6, Easedale Drive939 m away | 81 m² | 119 m² | +38 m² +47% | 2021 |
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| 110, Eyhurst Avenue402 m away | 95 m² | 132 m² | +37 m² +39% | 2025 |
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| 15, St Andrews Avenue728 m away | 71 m² | 107 m² | +36 m² +51% | 2025 |
|---|
| 93, Elms Farm Road996 m away | 100 m² | 136 m² | +36 m² +36% | 2014 |
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| 32, Hartland Road403 m away | 92 m² | 127 m² | +35 m² +38% | 2023 |
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| 293, Warren Drive612 m away | 96 m² | 131 m² | +35 m² +36% | 2020 |
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| 123, Diban Avenue406 m away | 67 m² | 102 m² | +35 m² +52% | 2016 |
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| 76, Diban Avenue424 m away | 67 m² | 102 m² | +35 m² +52% | 2015 |
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| 100, Kenilworth Gardens913 m away | 80 m² | 114 m² | +34 m² +43% | 2026 |
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| 96, Windermere Avenue911 m away | 87 m² | 121 m² | +34 m² +39% | 2025 |
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| 59, Petworth Way995 m away | 121 m² | 155 m² | +34 m² +28% | 2014 |
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| 20, Coniston Way999 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
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| 17, Guardian Close729 m away | 51 m² | 83 m² | +32 m² +63% | 2023 |
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| 104, Suttons Avenue910 m away | 66 m² | 98 m² | +32 m² +48% | 2023 |
|---|
| 7, Parish Close625 m away | 132 m² | 164 m² | +32 m² +24% | 2022 |
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| 108, Lancaster Drive886 m away | 85 m² | 117 m² | +32 m² +38% | 2010 |
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| 96, Eyhurst Avenue90 m away | 54 m² | 85 m² | +31 m² +57% | 2026 |
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| 76, Lancaster Drive612 m away | 75 m² | 106 m² | +31 m² +41% | 2025 |
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| 135, Upper Rainham Road999 m away | 84 m² | 115 m² | +31 m² +37% | 2024 |
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| 1a, Lancaster Drive688 m away | 30 m² | 61 m² | +31 m² +103% | 2022 |
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| 3, Maylands Avenue620 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| 31, Guardian Close729 m away | 54 m² | 85 m² | +31 m² +57% | 2018 |
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| 17, Coronation Drive991 m away | 78 m² | 108 m² | +30 m² +38% | 2020 |
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| 210, Benhurst Avenue261 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 70, Stanley Road974 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 94, Saunton Road573 m away | 90 m² | 119 m² | +29 m² +32% | 2024 |
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| 80, Aldwych Close712 m away | 90 m² | 119 m² | +29 m² +32% | 2023 |
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| 11a, Tadworth Parade594 m away | 44 m² | 73 m² | +29 m² +66% | 2022 |
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| 204, Warren Drive356 m away | 121 m² | 150 m² | +29 m² +24% | 2021 |
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| 9, St Andrews Avenue728 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 170, Abbs Cross Lane693 m away | 85 m² | 114 m² | +29 m² +34% | 2016 |
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| 8, Carfax Road844 m away | 76 m² | 105 m² | +29 m² +38% | 2015 |
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| 9, Connaught Road986 m away | 78 m² | 106 m² | +28 m² +36% | 2023 |
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| 169, Albany Road466 m away | 50 m² | 78 m² | +28 m² +56% | 2014 |
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| 14, Adelphi Crescent702 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
|---|
| 22, Lancaster Drive688 m away | 91 m² | 118 m² | +27 m² +30% | 2025 |
|---|
| 73, Laburnum Walk943 m away | 81 m² | 108 m² | +27 m² +33% | 2022 |
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| 18, Apollo Close598 m away | 78 m² | 105 m² | +27 m² +35% | 2015 |
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| 22, Adelphi Crescent702 m away | 69 m² | 96 m² | +27 m² +39% | 2015 |
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| 11, Ambleside Avenue863 m away | 70 m² | 97 m² | +27 m² +39% | 2011 |
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| 7, Carnforth Gardens835 m away | 101 m² | 127 m² | +26 m² +26% | 2026 |
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| 45, Laburnum Walk719 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 5, Rosebank Avenue830 m away | 72 m² | 98 m² | +26 m² +36% | 2023 |
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| 14, Chiltern Gardens798 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
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| 162, Elm Park Avenue326 m away | 56 m² | 81 m² | +25 m² +45% | 2020 |
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| 25, Calbourne Avenue790 m away | 106 m² | 131 m² | +25 m² +24% | 2020 |
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| 25, Aldwych Close712 m away | 101 m² | 126 m² | +25 m² +25% | 2014 |
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| 1, Napier Close898 m away | 117 m² | 142 m² | +25 m² +21% | 2013 |
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| 114, Diban Avenue406 m away | 84 m² | 108 m² | +24 m² +29% | 2022 |
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| 89, Stanley Road932 m away | 65 m² | 89 m² | +24 m² +37% | 2012 |
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| 110, Northwood Avenue531 m away | 87 m² | 110 m² | +23 m² +26% | 2026 |
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| 18, Barton Road933 m away | 67 m² | 90 m² | +23 m² +34% | 2023 |
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| 34, Rural Close808 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
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| 18, Wallis Close866 m away | 97 m² | 120 m² | +23 m² +24% | 2022 |
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| 101, Benhurst Avenue222 m away | 96 m² | 119 m² | +23 m² +24% | 2021 |
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| 14, Tennyson Way949 m away | 67 m² | 90 m² | +23 m² +34% | 2020 |
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| 131, Laburnum Walk943 m away | 80 m² | 102 m² | +22 m² +28% | 2026 |
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| 16, Northwood Avenue531 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 107, Eyhurst Avenue357 m away | 99 m² | 121 m² | +22 m² +22% | 2020 |
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| 179, Warren Drive34 m away | 65 m² | 87 m² | +22 m² +34% | 2014 |
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| 116, Warren Drive0 m away | 95 m² | 116 m² | +21 m² +22% | 2026 |
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| 41, Guardian Close729 m away | 100 m² | 121 m² | +21 m² +21% | 2025 |
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| 142, Stanley Road974 m away | 66 m² | 87 m² | +21 m² +32% | 2025 |
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| 76, Warren Drive0 m away | 98 m² | 119 m² | +21 m² +21% | 2024 |
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| 91, Woburn Avenue638 m away | 116 m² | 137 m² | +21 m² +18% | 2023 |
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| 68, Laburnum Avenue620 m away | 56 m² | 77 m² | +21 m² +38% | 2022 |
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| 18, Guardian Close729 m away | 96 m² | 117 m² | +21 m² +22% | 2022 |
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| 82, Laburnum Walk943 m away | 76 m² | 97 m² | +21 m² +28% | 2020 |
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| 46, Elm Park Avenue332 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
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| 1, Spring Gardens528 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
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| 12, Milton Avenue920 m away | 73 m² | 93 m² | +20 m² +27% | 2024 |
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| 25, Tennyson Way949 m away | 101 m² | 121 m² | +20 m² +20% | 2023 |
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| 71, St Andrews Avenue684 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
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| 21, Wallis Close866 m away | 86 m² | 106 m² | +20 m² +23% | 2021 |
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| 14, Laburnum Avenue620 m away | 119 m² | 139 m² | +20 m² +17% | 2019 |
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| 42, Petworth Way995 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 Gardens972 m away | 86 m² | 106 m² | +20 m² +23% | 2015 |
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| 174, Abbs Cross Lane693 m away | 56 m² | 75 m² | +19 m² +34% | 2019 |
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| 33, Aldwych Close712 m away | 80 m² | 99 m² | +19 m² +24% | 2018 |
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| 25, Ambleside Avenue863 m away | 73 m² | 92 m² | +19 m² +26% | 2010 |
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| 253, Elm Park Avenue535 m away | 99 m² | 117 m² | +18 m² +18% | 2025 |
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| 285, Warren Drive612 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
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| 85, Woburn Avenue638 m away | 77 m² | 95 m² | +18 m² +23% | 2023 |
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| 6a, Broadway Parade463 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 141, Laburnum Avenue702 m away | 70 m² | 87 m² | +17 m² +24% | 2025 |
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| 9, Wallis Close866 m away | 92 m² | 109 m² | +17 m² +18% | 2024 |
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| 3, Yale Way805 m away | 111 m² | 128 m² | +17 m² +15% | 2022 |
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| 56, Diban Avenue424 m away | 74 m² | 91 m² | +17 m² +23% | 2021 |
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| 141a, Albany Road600 m away | 42 m² | 59 m² | +17 m² +40% | 2021 |
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| 115, Suttons Avenue766 m away | 81 m² | 98 m² | +17 m² +21% | 2017 |
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| 46, Randall Drive885 m away | 59 m² | 76 m² | +17 m² +29% | 2012 |
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| 17a, The Broadway483 m away | 69 m² | 85 m² | +16 m² +23% | 2025 |
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| 22, Rosebank Avenue830 m away | 85 m² | 101 m² | +16 m² +19% | 2024 |
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| 69, Rosebank Avenue950 m away | 86 m² | 102 m² | +16 m² +19% | 2024 |
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| 14, Elm Park Avenue390 m away | 66 m² | 82 m² | +16 m² +24% | 2022 |
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| 604, South End Road610 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 4, Henderson Close753 m away | 86 m² | 102 m² | +16 m² +19% | 2021 |
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| 81, Laburnum Walk943 m away | 81 m² | 97 m² | +16 m² +20% | 2019 |
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| 57, Rosebank Avenue950 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 139, Kenilworth Gardens913 m away | 63 m² | 79 m² | +16 m² +25% | 2012 |
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| 9, Petworth Way995 m away | 95 m² | 111 m² | +16 m² +17% | 2010 |
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| 158, Devonshire Road750 m away | 85 m² | 100 m² | +15 m² +18% | 2022 |
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| 95, Randall Drive885 m away | 64 m² | 79 m² | +15 m² +23% | 2021 |
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| 444, South End Road845 m away | 81 m² | 96 m² | +15 m² +19% | 2020 |
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| 23, Chestnut Avenue889 m away | 83 m² | 98 m² | +15 m² +18% | 2020 |
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| 1, Diban Court436 m away | 46 m² | 61 m² | +15 m² +33% | 2019 |
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| 203, Upper Rainham Road860 m away | 69 m² | 84 m² | +15 m² +22% | 2018 |
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| 164, Eyhurst Avenue402 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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