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 5SL
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, North Weald Close942 m away | 95 m² | 201 m² | +106 m² +112% | 2025 |
| 90, Suttons Lane889 m away | 82 m² | 173 m² | +91 m² +111% | 2021 |
| 31, Coniston Way935 m away | 80 m² | 165 m² | +85 m² +106% | 2023 |
| 104, Suttons Lane889 m away | 60 m² | 143 m² | +83 m² +138% | 2025 |
| 34, Hunter Drive438 m away | 66 m² | 143 m² | +77 m² +117% | 2025 |
| 34, Randall Drive937 m away | 74 m² | 150 m² | +76 m² +103% | 2025 |
| 471, South End Road99 m away | 79 m² | 155 m² | +76 m² +96% | 2021 |
| 23, Kent Drive873 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
| 86, Suttons Lane889 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.
| 80 m² |
| 155 m² |
| +75 m² +94% |
| 2025 |
| 28, Suttons Lane988 m away | 85 m² | 155 m² | +70 m² +82% | 2016 |
|---|
| 81, Randall Drive778 m away | 54 m² | 121 m² | +67 m² +124% | 2020 |
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| 2, Kent Drive874 m away | 70 m² | 135 m² | +65 m² +93% | 2017 |
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| 69, Benhurst Avenue804 m away | 62 m² | 124 m² | +62 m² +100% | 2019 |
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| 62, Lancaster Drive394 m away | 82 m² | 143 m² | +61 m² +74% | 2025 |
|---|
| 23, Windermere Avenue536 m away | 82 m² | 143 m² | +61 m² +74% | 2015 |
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| 8, Willow Close776 m away | 72 m² | 132 m² | +60 m² +83% | 2016 |
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| 31, Penrith Crescent622 m away | 110 m² | 168 m² | +58 m² +53% | 2025 |
|---|
| 37, Warren Drive950 m away | 75 m² | 133 m² | +58 m² +77% | 2024 |
|---|
| 8, Upney Close601 m away | 115 m² | 173 m² | +58 m² +50% | 2017 |
|---|
| 19, Kent Drive873 m away | 73 m² | 129 m² | +56 m² +77% | 2016 |
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| 120, Diban Avenue484 m away | 69 m² | 124 m² | +55 m² +80% | 2024 |
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| 81, St Andrews Avenue763 m away | 95 m² | 149 m² | +54 m² +57% | 2024 |
|---|
| 30, Wittering Walk595 m away | 106 m² | 160 m² | +54 m² +51% | 2015 |
|---|
| 21, Chiltern Gardens900 m away | 67 m² | 120 m² | +53 m² +79% | 2022 |
|---|
| 190, Lancaster Drive274 m away | 72 m² | 125 m² | +53 m² +74% | 2018 |
|---|
| 24, Ennerdale Avenue848 m away | 89 m² | 141 m² | +52 m² +58% | 2026 |
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| 130, Laburnum Walk84 m away | 99 m² | 151 m² | +52 m² +53% | 2022 |
|---|
| 129, Eyhurst Avenue878 m away | 71 m² | 119 m² | +48 m² +68% | 2020 |
|---|
| 155, Warren Drive916 m away | 64 m² | 112 m² | +48 m² +75% | 2013 |
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| 10, West Malling Way342 m away | 92 m² | 136 m² | +44 m² +48% | 2016 |
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| 54, Cavendish Crescent788 m away | 204 m² | 248 m² | +44 m² +22% | 2013 |
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| 16a, Cowdray Way872 m away | 45 m² | 89 m² | +44 m² +98% | 2009 |
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| 10, Hatfield Close606 m away | 83 m² | 126 m² | +43 m² +52% | 2025 |
|---|
| 23, Eyhurst Avenue830 m away | 72 m² | 115 m² | +43 m² +60% | 2023 |
|---|
| 73, Bader Way685 m away | 89 m² | 131 m² | +42 m² +47% | 2026 |
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| 19, Swanbourne Drive681 m away | 95 m² | 137 m² | +42 m² +44% | 2015 |
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| 10, Fulmar Road971 m away | 100 m² | 141 m² | +41 m² +41% | 2015 |
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| 8, Rochester Road986 m away | 76 m² | 116 m² | +40 m² +53% | 2026 |
|---|
| 17, Diban Avenue584 m away | 97 m² | 137 m² | +40 m² +41% | 2021 |
|---|
| 25, Calmore Close393 m away | 81 m² | 121 m² | +40 m² +49% | 2019 |
|---|
| 12, Christopher Close733 m away | 88 m² | 128 m² | +40 m² +45% | 2015 |
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| 84, Laburnum Walk84 m away | 70 m² | 110 m² | +40 m² +57% | 2014 |
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| 52, Chevington Way770 m away | 76 m² | 115 m² | +39 m² +51% | 2025 |
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| 14, Northwood Avenue789 m away | 84 m² | 123 m² | +39 m² +46% | 2025 |
|---|
| 2, Willow Close776 m away | 88 m² | 127 m² | +39 m² +44% | 2017 |
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| 3, Inglewood Close637 m away | 111 m² | 150 m² | +39 m² +35% | 2016 |
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| 15, Benhurst Avenue804 m away | 98 m² | 136 m² | +38 m² +39% | 2026 |
|---|
| 6, Easedale Drive446 m away | 81 m² | 119 m² | +38 m² +47% | 2021 |
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| 5, Carnforth Gardens523 m away | 87 m² | 125 m² | +38 m² +44% | 2021 |
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| 21, Finucane Gardens727 m away | 46 m² | 84 m² | +38 m² +83% | 2015 |
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| 110, Eyhurst Avenue870 m away | 95 m² | 132 m² | +37 m² +39% | 2025 |
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| 15, St Andrews Avenue449 m away | 71 m² | 107 m² | +36 m² +51% | 2025 |
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| 93, Elms Farm Road194 m away | 100 m² | 136 m² | +36 m² +36% | 2014 |
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| 293, Warren Drive983 m away | 96 m² | 131 m² | +35 m² +36% | 2020 |
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| 16, Kent Drive874 m away | 73 m² | 108 m² | +35 m² +48% | 2018 |
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| 123, Diban Avenue484 m away | 67 m² | 102 m² | +35 m² +52% | 2016 |
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| 76, Diban Avenue480 m away | 67 m² | 102 m² | +35 m² +52% | 2015 |
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| 100, Kenilworth Gardens930 m away | 80 m² | 114 m² | +34 m² +43% | 2026 |
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| 96, Windermere Avenue797 m away | 87 m² | 121 m² | +34 m² +39% | 2025 |
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| 74, Ambleside Avenue385 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
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| 20, Randall Drive937 m away | 55 m² | 89 m² | +34 m² +62% | 2022 |
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| 20, Coniston Way908 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
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| 108, Lancaster Drive0 m away | 85 m² | 117 m² | +32 m² +38% | 2010 |
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| 96, Eyhurst Avenue800 m away | 54 m² | 85 m² | +31 m² +57% | 2026 |
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| 76, Lancaster Drive394 m away | 75 m² | 106 m² | +31 m² +41% | 2025 |
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| 36, Wood Lane845 m away | 89 m² | 120 m² | +31 m² +35% | 2025 |
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| 1a, Lancaster Drive557 m away | 30 m² | 61 m² | +31 m² +103% | 2022 |
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| 3, Maylands Avenue266 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
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| 274, Mungo Park Road785 m away | 79 m² | 110 m² | +31 m² +39% | 2018 |
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| 35, Calmore Close393 m away | 100 m² | 131 m² | +31 m² +31% | 2013 |
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| 17, Coronation Drive234 m away | 78 m² | 108 m² | +30 m² +38% | 2020 |
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| 5, Leconfield Walk631 m away | 80 m² | 110 m² | +30 m² +38% | 2015 |
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| 210, Benhurst Avenue653 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 240, Mungo Park Road949 m away | 77 m² | 106 m² | +29 m² +38% | 2023 |
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| 11a, Tadworth Parade391 m away | 44 m² | 73 m² | +29 m² +66% | 2022 |
|---|
| 9, St Andrews Avenue449 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 204, Warren Drive922 m away | 121 m² | 150 m² | +29 m² +24% | 2021 |
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| 25, Langdale Gardens692 m away | 111 m² | 140 m² | +29 m² +26% | 2019 |
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| 41, Randall Drive937 m away | 72 m² | 100 m² | +28 m² +39% | 2021 |
|---|
| 22, Lancaster Drive557 m away | 91 m² | 118 m² | +27 m² +30% | 2025 |
|---|
| 50, Swanbourne Drive681 m away | 77 m² | 104 m² | +27 m² +35% | 2024 |
|---|
| 73, Laburnum Walk84 m away | 81 m² | 108 m² | +27 m² +33% | 2022 |
|---|
| 16, Peregrine Walk877 m away | 75 m² | 102 m² | +27 m² +36% | 2015 |
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| 11, Ambleside Avenue346 m away | 70 m² | 97 m² | +27 m² +39% | 2011 |
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| 7, Carnforth Gardens523 m away | 101 m² | 127 m² | +26 m² +26% | 2026 |
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| 45, Laburnum Walk374 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 5, Rosebank Avenue386 m away | 72 m² | 98 m² | +26 m² +36% | 2023 |
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| 2, Peregrine Walk930 m away | 73 m² | 99 m² | +26 m² +36% | 2016 |
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| 14, Chiltern Gardens900 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
|---|
| 1, Christopher Close733 m away | 102 m² | 127 m² | +25 m² +25% | 2021 |
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| 25, Calbourne Avenue139 m away | 106 m² | 131 m² | +25 m² +24% | 2020 |
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| 162, Elm Park Avenue563 m away | 56 m² | 81 m² | +25 m² +45% | 2020 |
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| 114, Diban Avenue484 m away | 84 m² | 108 m² | +24 m² +29% | 2022 |
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| 110, Northwood Avenue789 m away | 87 m² | 110 m² | +23 m² +26% | 2026 |
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| 101, Benhurst Avenue664 m away | 96 m² | 119 m² | +23 m² +24% | 2021 |
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| 131, Laburnum Walk84 m away | 80 m² | 102 m² | +22 m² +28% | 2026 |
|---|
| 21, Chevington Way695 m away | 107 m² | 129 m² | +22 m² +21% | 2026 |
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| 16, Northwood Avenue789 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 67, Bader Way685 m away | 121 m² | 143 m² | +22 m² +18% | 2020 |
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| 176, Suttons Lane744 m away | 82 m² | 104 m² | +22 m² +27% | 2020 |
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| 107, Eyhurst Avenue878 m away | 99 m² | 121 m² | +22 m² +22% | 2020 |
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| 8, Kendal Croft810 m away | 92 m² | 114 m² | +22 m² +24% | 2019 |
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| 25, Silverdale Drive434 m away | 114 m² | 136 m² | +22 m² +19% | 2018 |
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| 15, Kestrel Close995 m away | 82 m² | 104 m² | +22 m² +27% | 2018 |
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| 77, Tuck Road944 m away | 71 m² | 93 m² | +22 m² +31% | 2016 |
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| 13, Bonington Road634 m away | 101 m² | 123 m² | +22 m² +22% | 2015 |
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| 15, Ilfracombe Crescent521 m away | 116 m² | 138 m² | +22 m² +19% | 2014 |
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| 179, Warren Drive916 m away | 65 m² | 87 m² | +22 m² +34% | 2014 |
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| Flat 32, Maybank Lodge, Maybank Avenue407 m away | 42 m² | 64 m² | +22 m² +52% | 2011 |
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| 116, Warren Drive886 m away | 95 m² | 116 m² | +21 m² +22% | 2026 |
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| 76, Warren Drive886 m away | 98 m² | 119 m² | +21 m² +21% | 2024 |
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| 91, Woburn Avenue713 m away | 116 m² | 137 m² | +21 m² +18% | 2023 |
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| 82, Laburnum Walk84 m away | 76 m² | 97 m² | +21 m² +28% | 2020 |
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| 46, Elm Park Avenue617 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
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| 1, Spring Gardens382 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
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| 71, St Andrews Avenue574 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
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| 2, Gray Gardens968 m away | 77 m² | 97 m² | +20 m² +26% | 2021 |
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| 38, Cowdray Way872 m away | 101 m² | 121 m² | +20 m² +20% | 2015 |
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| 3, Rye Close453 m away | 84 m² | 104 m² | +20 m² +24% | 2012 |
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| 52, Coniston Way935 m away | 92 m² | 111 m² | +19 m² +21% | 2025 |
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| 25, Furness Way900 m away | 87 m² | 106 m² | +19 m² +22% | 2024 |
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| 31, Astra Close552 m away | 85 m² | 104 m² | +19 m² +22% | 2023 |
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| 365, South End Road370 m away | 59 m² | 78 m² | +19 m² +32% | 2014 |
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| 11, Veny Crescent706 m away | 93 m² | 112 m² | +19 m² +20% | 2014 |
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| 25, Ambleside Avenue346 m away | 73 m² | 92 m² | +19 m² +26% | 2010 |
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| 13, Stephen Avenue906 m away | 77 m² | 95 m² | +18 m² +23% | 2026 |
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| 253, Elm Park Avenue723 m away | 99 m² | 117 m² | +18 m² +18% | 2025 |
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| 285, Warren Drive983 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
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| 85, Woburn Avenue713 m away | 77 m² | 95 m² | +18 m² +23% | 2023 |
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| 8, Christopher Close733 m away | 80 m² | 98 m² | +18 m² +23% | 2023 |
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| 1, Bader Way920 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
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| 4, Christopher Close733 m away | 93 m² | 111 m² | +18 m² +19% | 2015 |
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| 6a, Broadway Parade604 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 1, Sarre Avenue575 m away | 59 m² | 76 m² | +17 m² +29% | 2024 |
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| 3, Yale Way942 m away | 111 m² | 128 m² | +17 m² +15% | 2022 |
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| 56, Diban Avenue480 m away | 74 m² | 91 m² | +17 m² +23% | 2021 |
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| 46, Randall Drive778 m away | 59 m² | 76 m² | +17 m² +29% | 2012 |
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| 10, Bennions Close726 m away | 60 m² | 76 m² | +16 m² +27% | 2026 |
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| 17a, The Broadway539 m away | 69 m² | 85 m² | +16 m² +23% | 2025 |
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| 69, Rosebank Avenue290 m away | 86 m² | 102 m² | +16 m² +19% | 2024 |
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| 22, Rosebank Avenue386 m away | 85 m² | 101 m² | +16 m² +19% | 2024 |
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| 46, Tangmere Crescent595 m away | 94 m² | 110 m² | +16 m² +17% | 2023 |
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| 14, Elm Park Avenue729 m away | 66 m² | 82 m² | +16 m² +24% | 2022 |
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| 604, South End Road336 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 81, Laburnum Walk84 m away | 81 m² | 97 m² | +16 m² +20% | 2019 |
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| 21, Hawkinge Way512 m away | 78 m² | 94 m² | +16 m² +21% | 2019 |
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| 57, Rosebank Avenue290 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 139, Kenilworth Gardens930 m away | 63 m² | 79 m² | +16 m² +25% | 2012 |
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| 144, Maybank Avenue373 m away | 72 m² | 87 m² | +15 m² +21% | 2025 |
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| 34, Kent Drive874 m away | 88 m² | 103 m² | +15 m² +17% | 2024 |
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| 73, Deere Avenue767 m away | 53 m² | 68 m² | +15 m² +28% | 2022 |
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| 95, Randall Drive778 m away | 64 m² | 79 m² | +15 m² +23% | 2021 |
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| 444, South End Road52 m away | 81 m² | 96 m² | +15 m² +19% | 2020 |
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| 1, Diban Court506 m away | 46 m² | 61 m² | +15 m² +33% | 2019 |
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| 36, Ilfracombe Crescent521 m away | 93 m² | 108 m² | +15 m² +16% | 2018 |
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| 5, Chevington Way770 m away | 87 m² | 102 m² | +15 m² +17% | 2016 |
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| 164, Eyhurst Avenue870 m away | 81 m² | 96 m² | +15 m² +19% | 2014 |
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| 62, Cowdray Way872 m away | 84 m² | 99 m² | +15 m² +18% | 2014 |
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