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 4LY
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 |
|---|---|---|---|---|
| 23, The Avenue777 m away | 87 m² | 191 m² | +104 m² +120% | 2022 |
| 90, Suttons Lane966 m away | 82 m² | 173 m² | +91 m² +111% | 2021 |
| 62, Devonshire Road546 m away | 74 m² | 163 m² | +89 m² +120% | 2025 |
| 104, Suttons Lane966 m away | 60 m² | 143 m² | +83 m² +138% | 2025 |
| 35, Belmont Road302 m away | 60 m² | 142 m² | +82 m² +137% | 2015 |
| 106, Stanley Road401 m away | 69 m² | 150 m² | +81 m² +117% | 2026 |
| 7, Victor Gardens893 m away | 55 m² | 133 m² | +78 m² +142% | 2025 |
| 34, Hunter Drive747 m away | 66 m² | 143 m² | +77 m² +117% | 2025 |
| 34, Randall Drive617 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.
| 74 m² |
| 150 m² |
| +76 m² +103% |
| 2025 |
| 23, Kent Drive687 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
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| 86, Suttons Lane966 m away | 80 m² | 155 m² | +75 m² +94% | 2025 |
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| 136, Abbs Cross Lane270 m away | 147 m² | 220 m² | +73 m² +50% | 2022 |
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| 25, Lambourne Gardens505 m away | 60 m² | 132 m² | +72 m² +120% | 2025 |
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| 34, Hartland Road850 m away | 68 m² | 140 m² | +72 m² +106% | 2022 |
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| 24, Stanley Road651 m away | 98 m² | 168 m² | +70 m² +71% | 2018 |
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| 28, Suttons Lane851 m away | 85 m² | 155 m² | +70 m² +82% | 2016 |
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| 77, Bruce Avenue576 m away | 55 m² | 124 m² | +69 m² +125% | 2018 |
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| 81, Randall Drive474 m away | 54 m² | 121 m² | +67 m² +124% | 2020 |
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| 43, Suttons Lane779 m away | 155 m² | 220 m² | +65 m² +42% | 2026 |
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| 1, Creasey Close676 m away | 84 m² | 149 m² | +65 m² +77% | 2019 |
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| 2, Kent Drive637 m away | 70 m² | 135 m² | +65 m² +93% | 2017 |
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| 69, Benhurst Avenue341 m away | 62 m² | 124 m² | +62 m² +100% | 2019 |
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| 62, Lancaster Drive639 m away | 82 m² | 143 m² | +61 m² +74% | 2025 |
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| 8, Willow Close498 m away | 72 m² | 132 m² | +60 m² +83% | 2016 |
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| 37, Warren Drive295 m away | 75 m² | 133 m² | +58 m² +77% | 2024 |
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| 181, Albany Road960 m away | 44 m² | 102 m² | +58 m² +132% | 2019 |
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| 19, Kent Drive687 m away | 73 m² | 129 m² | +56 m² +77% | 2016 |
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| 48, Suttons Avenue561 m away | 58 m² | 113 m² | +55 m² +95% | 2025 |
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| 120, Diban Avenue754 m away | 69 m² | 124 m² | +55 m² +80% | 2024 |
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| 113, Abbs Cross Lane356 m away | 152 m² | 206 m² | +54 m² +36% | 2015 |
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| 21, Chiltern Gardens285 m away | 67 m² | 120 m² | +53 m² +79% | 2022 |
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| 24, Lyndhurst Drive990 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 3, Sunrise Avenue187 m away | 86 m² | 139 m² | +53 m² +62% | 2016 |
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| 13, Devonshire Road554 m away | 204 m² | 256 m² | +52 m² +25% | 2023 |
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| 132, Alma Avenue968 m away | 70 m² | 122 m² | +52 m² +74% | 2014 |
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| 46, Standen Avenue940 m away | 94 m² | 145 m² | +51 m² +54% | 2025 |
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| 85, Stanley Road353 m away | 71 m² | 121 m² | +50 m² +70% | 2024 |
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| 52, Mill Park Avenue961 m away | 147 m² | 197 m² | +50 m² +34% | 2024 |
|---|
| 35, Guardian Close878 m away | 89 m² | 139 m² | +50 m² +56% | 2014 |
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| 32, Guardian Close878 m away | 77 m² | 125 m² | +48 m² +62% | 2025 |
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| 129, Eyhurst Avenue984 m away | 71 m² | 119 m² | +48 m² +68% | 2020 |
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| 155, Warren Drive660 m away | 64 m² | 112 m² | +48 m² +75% | 2013 |
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| 101, Suttons Avenue141 m away | 82 m² | 128 m² | +46 m² +56% | 2020 |
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| 6, Forbes Close901 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
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| 9, Sandown Avenue819 m away | 75 m² | 120 m² | +45 m² +60% | 2026 |
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| 24, Hartland Road850 m away | 120 m² | 164 m² | +44 m² +37% | 2019 |
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| 31, Cumberland Avenue861 m away | 98 m² | 142 m² | +44 m² +45% | 2017 |
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| 23, Eyhurst Avenue655 m away | 72 m² | 115 m² | +43 m² +60% | 2023 |
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| 120, Alma Avenue968 m away | 48 m² | 89 m² | +41 m² +85% | 2025 |
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| 29, Guardian Close878 m away | 82 m² | 122 m² | +40 m² +49% | 2025 |
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| 33, Mill Park Avenue961 m away | 114 m² | 154 m² | +40 m² +35% | 2025 |
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| 79, Bruce Avenue576 m away | 75 m² | 115 m² | +40 m² +53% | 2023 |
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| 17, Diban Avenue497 m away | 97 m² | 137 m² | +40 m² +41% | 2021 |
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| 11, Connaught Road384 m away | 77 m² | 117 m² | +40 m² +52% | 2018 |
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| 12, Christopher Close958 m away | 88 m² | 128 m² | +40 m² +45% | 2015 |
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| 2, Willow Close498 m away | 88 m² | 127 m² | +39 m² +44% | 2017 |
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| 3, Inglewood Close814 m away | 111 m² | 150 m² | +39 m² +35% | 2016 |
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| 15, Benhurst Avenue341 m away | 98 m² | 136 m² | +38 m² +39% | 2026 |
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| 41, The Avenue656 m away | 82 m² | 120 m² | +38 m² +46% | 2024 |
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| 25, Abbs Cross Gardens742 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
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| 118, Bruce Avenue776 m away | 72 m² | 108 m² | +36 m² +50% | 2022 |
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| 26, Dawes Avenue859 m away | 100 m² | 136 m² | +36 m² +36% | 2019 |
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| 65, Bruce Avenue576 m away | 71 m² | 106 m² | +35 m² +49% | 2025 |
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| 32, Hartland Road850 m away | 92 m² | 127 m² | +35 m² +38% | 2023 |
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| 110, Hornchurch Road957 m away | 81 m² | 116 m² | +35 m² +43% | 2020 |
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| 16, Kent Drive637 m away | 73 m² | 108 m² | +35 m² +48% | 2018 |
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| 123, Diban Avenue754 m away | 67 m² | 102 m² | +35 m² +52% | 2016 |
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| 76, Diban Avenue645 m away | 67 m² | 102 m² | +35 m² +52% | 2015 |
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| 100, Kenilworth Gardens393 m away | 80 m² | 114 m² | +34 m² +43% | 2026 |
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| 64, Station Lane899 m away | 64 m² | 98 m² | +34 m² +53% | 2025 |
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| 20, Randall Drive617 m away | 55 m² | 89 m² | +34 m² +62% | 2022 |
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| 24, The Mall964 m away | 53 m² | 87 m² | +34 m² +64% | 2016 |
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| 65, Suttons Avenue380 m away | 76 m² | 108 m² | +32 m² +42% | 2024 |
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| 104, Suttons Avenue281 m away | 66 m² | 98 m² | +32 m² +48% | 2023 |
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| 17, Guardian Close878 m away | 51 m² | 83 m² | +32 m² +63% | 2023 |
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| 7, Parish Close796 m away | 132 m² | 164 m² | +32 m² +24% | 2022 |
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| 96, Eyhurst Avenue611 m away | 54 m² | 85 m² | +31 m² +57% | 2026 |
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| 76, Lancaster Drive639 m away | 75 m² | 106 m² | +31 m² +41% | 2025 |
|---|
| 1a, Lancaster Drive504 m away | 30 m² | 61 m² | +31 m² +103% | 2022 |
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| 3, Maylands Avenue850 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| 31, Guardian Close878 m away | 54 m² | 85 m² | +31 m² +57% | 2018 |
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| 129, Victor Close805 m away | 76 m² | 106 m² | +30 m² +39% | 2026 |
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| 70, Stanley Road401 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 210, Benhurst Avenue756 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 23, Warriner Avenue623 m away | 108 m² | 137 m² | +29 m² +27% | 2024 |
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| 80, Aldwych Close928 m away | 90 m² | 119 m² | +29 m² +32% | 2023 |
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| 11a, Tadworth Parade973 m away | 44 m² | 73 m² | +29 m² +66% | 2022 |
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| 204, Warren Drive990 m away | 121 m² | 150 m² | +29 m² +24% | 2021 |
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| 145, Bruce Avenue776 m away | 124 m² | 153 m² | +29 m² +23% | 2020 |
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| Swan House, 54, Station Lane899 m away | 34 m² | 63 m² | +29 m² +85% | 2017 |
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| 170, Abbs Cross Lane270 m away | 85 m² | 114 m² | +29 m² +34% | 2016 |
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| 9, Connaught Road384 m away | 78 m² | 106 m² | +28 m² +36% | 2023 |
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| 41, Randall Drive617 m away | 72 m² | 100 m² | +28 m² +39% | 2021 |
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| 169, Albany Road960 m away | 50 m² | 78 m² | +28 m² +56% | 2014 |
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| 14, Adelphi Crescent990 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
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| 22, Lancaster Drive504 m away | 91 m² | 118 m² | +27 m² +30% | 2025 |
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| 23, Grey Towers Avenue923 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 21a, Suttons Lane728 m away | 49 m² | 76 m² | +27 m² +55% | 2019 |
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| 18, Apollo Close824 m away | 78 m² | 105 m² | +27 m² +35% | 2015 |
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| 22, Adelphi Crescent990 m away | 69 m² | 96 m² | +27 m² +39% | 2015 |
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| 45, Laburnum Walk675 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 10, Standen Avenue837 m away | 80 m² | 106 m² | +26 m² +33% | 2024 |
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| 55, Bruce Avenue576 m away | 62 m² | 88 m² | +26 m² +42% | 2023 |
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| 5, Rosebank Avenue729 m away | 72 m² | 98 m² | +26 m² +36% | 2023 |
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| 14, Chiltern Gardens285 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
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| 1, Christopher Close958 m away | 102 m² | 127 m² | +25 m² +25% | 2021 |
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| 162, Elm Park Avenue712 m away | 56 m² | 81 m² | +25 m² +45% | 2020 |
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| 25, Aldwych Close928 m away | 101 m² | 126 m² | +25 m² +25% | 2014 |
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| 1, Napier Close840 m away | 117 m² | 142 m² | +25 m² +21% | 2013 |
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| 59, Abbs Cross Lane590 m away | 74 m² | 98 m² | +24 m² +32% | 2026 |
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| 114, Diban Avenue754 m away | 84 m² | 108 m² | +24 m² +29% | 2022 |
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| 89, Stanley Road353 m away | 65 m² | 89 m² | +24 m² +37% | 2012 |
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| 18, Wallis Close748 m away | 97 m² | 120 m² | +23 m² +24% | 2022 |
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| 34, Rural Close861 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
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| 101, Benhurst Avenue639 m away | 96 m² | 119 m² | +23 m² +24% | 2021 |
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| 21, Chevington Way893 m away | 107 m² | 129 m² | +22 m² +21% | 2026 |
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| 94, The Avenue479 m away | 61 m² | 83 m² | +22 m² +36% | 2023 |
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| 17, Victor Close714 m away | 43 m² | 65 m² | +22 m² +51% | 2021 |
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| 30, Wayside Avenue435 m away | 79 m² | 101 m² | +22 m² +28% | 2020 |
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| 107, Eyhurst Avenue984 m away | 99 m² | 121 m² | +22 m² +22% | 2020 |
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| 179, Warren Drive660 m away | 65 m² | 87 m² | +22 m² +34% | 2014 |
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| 15, Ilfracombe Crescent811 m away | 116 m² | 138 m² | +22 m² +19% | 2014 |
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| 8, Kenilworth Gardens588 m away | 114 m² | 135 m² | +21 m² +18% | 2026 |
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| 116, Warren Drive640 m away | 95 m² | 116 m² | +21 m² +22% | 2026 |
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| 142, Stanley Road401 m away | 66 m² | 87 m² | +21 m² +32% | 2025 |
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| 41, Guardian Close878 m away | 100 m² | 121 m² | +21 m² +21% | 2025 |
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| 76, Warren Drive640 m away | 98 m² | 119 m² | +21 m² +21% | 2024 |
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| 18, Guardian Close878 m away | 96 m² | 117 m² | +21 m² +22% | 2022 |
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| 67, Abbs Cross Lane590 m away | 71 m² | 92 m² | +21 m² +30% | 2018 |
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| 46, Elm Park Avenue522 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
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| 1, Spring Gardens861 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
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| 21, Wallis Close748 m away | 86 m² | 106 m² | +20 m² +23% | 2021 |
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| 16, Mansfield Gardens334 m away | 86 m² | 106 m² | +20 m² +23% | 2015 |
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| 3, Rye Close916 m away | 84 m² | 104 m² | +20 m² +24% | 2012 |
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| 57, Bruce Avenue576 m away | 94 m² | 113 m² | +19 m² +20% | 2026 |
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| 17, Suttons Avenue561 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
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| 174, Abbs Cross Lane270 m away | 56 m² | 75 m² | +19 m² +34% | 2019 |
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| 33, Aldwych Close928 m away | 80 m² | 99 m² | +19 m² +24% | 2018 |
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| 8, Christopher Close958 m away | 80 m² | 98 m² | +18 m² +23% | 2023 |
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| 39, Warriner Avenue623 m away | 88 m² | 106 m² | +18 m² +20% | 2020 |
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| 36, Latimer Drive577 m away | 41 m² | 59 m² | +18 m² +44% | 2018 |
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| 4, Christopher Close958 m away | 93 m² | 111 m² | +18 m² +19% | 2015 |
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| 112, Alma Avenue968 m away | 65 m² | 83 m² | +18 m² +28% | 2013 |
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| 6a, Broadway Parade971 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 26, Stanley Road651 m away | 99 m² | 116 m² | +17 m² +17% | 2025 |
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| 9, Wallis Close748 m away | 92 m² | 109 m² | +17 m² +18% | 2024 |
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| 61, Suttons Lane817 m away | 104 m² | 121 m² | +17 m² +16% | 2024 |
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| 2, Vaughan Avenue913 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 56, Diban Avenue645 m away | 74 m² | 91 m² | +17 m² +23% | 2021 |
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| 141a, Albany Road993 m away | 42 m² | 59 m² | +17 m² +40% | 2021 |
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| 115, Suttons Avenue141 m away | 81 m² | 98 m² | +17 m² +21% | 2017 |
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| 5, Sandown Avenue819 m away | 57 m² | 74 m² | +17 m² +30% | 2016 |
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| 46, Randall Drive474 m away | 59 m² | 76 m² | +17 m² +29% | 2012 |
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| 17a, The Broadway952 m away | 69 m² | 85 m² | +16 m² +23% | 2025 |
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| 22, Rosebank Avenue729 m away | 85 m² | 101 m² | +16 m² +19% | 2024 |
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| 69, Rosebank Avenue901 m away | 86 m² | 102 m² | +16 m² +19% | 2024 |
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| 16, Dorrington Gardens833 m away | 69 m² | 85 m² | +16 m² +23% | 2023 |
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| 14, Elm Park Avenue356 m away | 66 m² | 82 m² | +16 m² +24% | 2022 |
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| 4, Henderson Close651 m away | 86 m² | 102 m² | +16 m² +19% | 2021 |
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| 604, South End Road703 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 3, Lambourne Gardens505 m away | 68 m² | 84 m² | +16 m² +24% | 2016 |
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| 57, Rosebank Avenue901 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 139, Kenilworth Gardens393 m away | 63 m² | 79 m² | +16 m² +25% | 2012 |
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| 34, Kent Drive637 m away | 88 m² | 103 m² | +15 m² +17% | 2024 |
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| 158, Devonshire Road211 m away | 85 m² | 100 m² | +15 m² +18% | 2022 |
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| 95, Randall Drive474 m away | 64 m² | 79 m² | +15 m² +23% | 2021 |
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| 1, Diban Court862 m away | 46 m² | 61 m² | +15 m² +33% | 2019 |
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| 36, Ilfracombe Crescent811 m away | 93 m² | 108 m² | +15 m² +16% | 2018 |
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| 126, Alma Avenue968 m away | 83 m² | 98 m² | +15 m² +18% | 2017 |
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| 6, Abbs Cross Gardens644 m away | 68 m² | 83 m² | +15 m² +22% | 2016 |
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