Finding extended homes…
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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 BR3 5DA
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 |
|---|---|---|---|---|
| Two Elms, Beckenham Place Park808 m away | 389 m² | 639 m² | +250 m² +64% | 2023 |
| 2, Southwater Close572 m away | 140 m² | 304 m² | +164 m² +117% | 2022 |
| 16, Foxgrove Avenue512 m away | 176 m² | 301 m² | +125 m² +71% | 2020 |
| 20, Crescent Road898 m away | 312 m² | 435 m² | +123 m² +39% | 2023 |
| Flat 1, 220, Bromley Road766 m away | 148 m² | 270 m² | +122 m² +82% | 2022 |
| 3, Ashmere Avenue813 m away | 146 m² | 262 m² | +116 m² +79% | 2019 |
| 173, Farnaby Road598 m away | 105 m² | 216 m² | +111 m² +106% | 2024 |
| 161, Farnaby Road598 m away | 124 m² | 232 m² | +108 m² +87% | 2025 |
| 36c, Albemarle Road448 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.
| 139 m² |
| 240 m² |
| +101 m² +73% |
| 2010 |
| 1, Mayfair Close711 m away | 96 m² | 189 m² | +93 m² +97% | 2021 |
|---|
| 74, Madeira Avenue963 m away | 98 m² | 180 m² | +82 m² +84% | 2017 |
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| 124, Madeira Avenue963 m away | 85 m² | 163 m² | +78 m² +92% | 2026 |
|---|
| 34, White Oak Drive787 m away | 102 m² | 179 m² | +77 m² +75% | 2014 |
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| 187, Farnaby Road598 m away | 121 m² | 198 m² | +77 m² +64% | 2013 |
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| 13, Brunswick Terrace, The Knoll750 m away | 268 m² | 344 m² | +76 m² +28% | 2025 |
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| 5, Blair Court, The Knoll868 m away | 125 m² | 199 m² | +74 m² +59% | 2012 |
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| 18, Ravensbourne Avenue950 m away | 116 m² | 187 m² | +71 m² +61% | 2025 |
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| 5, Ashmere Avenue813 m away | 184 m² | 255 m² | +71 m² +39% | 2021 |
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| Hillary Mount, Crab Hill160 m away | 158 m² | 228 m² | +70 m² +44% | 2023 |
|---|
| 162, Bromley Road686 m away | 154 m² | 224 m² | +70 m² +45% | 2015 |
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| 202, Farnaby Road582 m away | 101 m² | 170 m² | +69 m² +68% | 2021 |
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| 18, Scotts Lane833 m away | 147 m² | 216 m² | +69 m² +47% | 2015 |
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| 16, Ravensbourne Avenue950 m away | 119 m² | 187 m² | +68 m² +57% | 2026 |
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| 93, Farnaby Road958 m away | 85 m² | 149 m² | +64 m² +75% | 2024 |
|---|
| 14, Warren Avenue860 m away | 91 m² | 151 m² | +60 m² +66% | 2023 |
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| 74a, Albemarle Road437 m away | 51 m² | 109 m² | +58 m² +114% | 2011 |
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| 192, Farnaby Road582 m away | 126 m² | 181 m² | +55 m² +44% | 2020 |
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| 26, Hillbrow Road896 m away | 134 m² | 188 m² | +54 m² +40% | 2024 |
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| 43, Madeira Avenue968 m away | 88 m² | 140 m² | +52 m² +59% | 2026 |
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| 2, Westmoat Close165 m away | 146 m² | 196 m² | +50 m² +34% | 2021 |
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| Flat 1, Montreaux Court, 55, Albemarle Road620 m away | 41 m² | 90 m² | +49 m² +120% | 2026 |
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| 64, Warren Avenue860 m away | 104 m² | 153 m² | +49 m² +47% | 2017 |
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| 68, Warren Avenue860 m away | 89 m² | 137 m² | +48 m² +54% | 2024 |
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| 33, White Oak Drive787 m away | 87 m² | 134 m² | +47 m² +54% | 2022 |
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| 101, Ravensbourne Avenue495 m away | 73 m² | 119 m² | +46 m² +63% | 2026 |
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| 32, Crescent Road898 m away | 164 m² | 210 m² | +46 m² +28% | 2016 |
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| 23, Calmont Road852 m away | 88 m² | 133 m² | +45 m² +51% | 2020 |
|---|
| Flat 1, Grovehurst Apartments, 49, Manor Road990 m away | 51 m² | 95 m² | +44 m² +86% | 2022 |
|---|
| 13, Downs Road953 m away | 144 m² | 188 m² | +44 m² +31% | 2020 |
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| 57, Downs Hill453 m away | 124 m² | 168 m² | +44 m² +35% | 2019 |
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| 51, Oakwood Avenue881 m away | 164 m² | 206 m² | +42 m² +26% | 2026 |
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| 74, The Heights54 m away | 105 m² | 147 m² | +42 m² +40% | 2022 |
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| 34, Foxgrove Road385 m away | 255 m² | 296 m² | +41 m² +16% | 2017 |
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| 1, Limes Road863 m away | 36 m² | 77 m² | +41 m² +114% | 2017 |
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| 71, Madeira Avenue897 m away | 60 m² | 101 m² | +41 m² +68% | 2014 |
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| 12, The Knoll808 m away | 165 m² | 202 m² | +37 m² +22% | 2025 |
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| The Orchard, Westgate Road253 m away | 59 m² | 96 m² | +37 m² +63% | 2022 |
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| 8, The Gardens544 m away | 108 m² | 145 m² | +37 m² +34% | 2016 |
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| 8, Ashmere Avenue813 m away | 206 m² | 242 m² | +36 m² +17% | 2023 |
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| 21, Downs Road953 m away | 100 m² | 135 m² | +35 m² +35% | 2025 |
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| 10a, The Knoll808 m away | 154 m² | 189 m² | +35 m² +23% | 2023 |
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| 35, Crescent Road908 m away | 104 m² | 139 m² | +35 m² +34% | 2023 |
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| 9, Ashmere Avenue813 m away | 183 m² | 217 m² | +34 m² +19% | 2024 |
|---|
| 1, Scotts Lane833 m away | 70 m² | 104 m² | +34 m² +49% | 2021 |
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| Flat 6, Cranley Court, Beckenham Grove965 m away | 60 m² | 93 m² | +33 m² +55% | 2020 |
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| Tanti, 107, Ravensbourne Avenue495 m away | 78 m² | 111 m² | +33 m² +42% | 2014 |
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| 143, Ravensbourne Avenue495 m away | 107 m² | 140 m² | +33 m² +31% | 2010 |
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| Flat 1, Copperfields, 48, The Avenue440 m away | 56 m² | 88 m² | +32 m² +57% | 2021 |
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| 27, Ravensmead Road434 m away | 98 m² | 130 m² | +32 m² +33% | 2018 |
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| 26, Banavie Gardens344 m away | 43 m² | 74 m² | +31 m² +72% | 2026 |
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| Flat 6, Hill House, 113, Foxgrove Road0 m away | 48 m² | 79 m² | +31 m² +65% | 2025 |
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| 24, The Gardens544 m away | 92 m² | 123 m² | +31 m² +34% | 2016 |
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| 30, Ashgrove Road982 m away | 108 m² | 138 m² | +30 m² +28% | 2026 |
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| Flat 6, Waveney Court, 49, The Avenue187 m away | 34 m² | 64 m² | +30 m² +88% | 2022 |
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| Flat 5, Ashbourne Court, 59a, Albemarle Road469 m away | 47 m² | 76 m² | +29 m² +62% | 2025 |
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| Flat 43, Oakdale, 6, Westgate Road658 m away | 57 m² | 86 m² | +29 m² +51% | 2021 |
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| Flat 8, Glenbyrne Lodge, 38, Albemarle Road448 m away | 50 m² | 79 m² | +29 m² +58% | 2019 |
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| Flat 3, Raleigh Court, 21a, The Avenue533 m away | 96 m² | 125 m² | +29 m² +30% | 2019 |
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| Flat 5, 31, Manor Road990 m away | 37 m² | 66 m² | +29 m² +78% | 2019 |
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| 138, Farnaby Road823 m away | 117 m² | 145 m² | +28 m² +24% | 2025 |
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| Flat 107, Lait House, 1, Albemarle Road894 m away | 53 m² | 81 m² | +28 m² +53% | 2024 |
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| Flat 4, 31, Manor Road990 m away | 41 m² | 69 m² | +28 m² +68% | 2022 |
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| 171, Farnaby Road598 m away | 110 m² | 138 m² | +28 m² +25% | 2017 |
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| Flat 3, South Park Court, Park Road940 m away | 69 m² | 97 m² | +28 m² +41% | 2014 |
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| Flat 45, Lait House, 1, Albemarle Road894 m away | 51 m² | 78 m² | +27 m² +53% | 2026 |
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| 6, Ravensbourne Avenue950 m away | 93 m² | 120 m² | +27 m² +29% | 2025 |
|---|
| Flat 7, 42, Albemarle Road448 m away | 53 m² | 80 m² | +27 m² +51% | 2024 |
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| 194, Farnaby Road582 m away | 73 m² | 100 m² | +27 m² +37% | 2016 |
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| 16, Cadogan Close698 m away | 47 m² | 74 m² | +27 m² +57% | 2013 |
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| 79, Bromley Road670 m away | 47 m² | 73 m² | +26 m² +55% | 2025 |
|---|
| 75, Oakwood Avenue881 m away | 167 m² | 193 m² | +26 m² +16% | 2025 |
|---|
| Flat 47, Lait House, 1, Albemarle Road894 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
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| 36, Albemarle Park724 m away | 122 m² | 147 m² | +25 m² +20% | 2025 |
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| Flat 8, 42, Albemarle Road448 m away | 52 m² | 77 m² | +25 m² +48% | 2023 |
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| 28, Wickham Road891 m away | 165 m² | 190 m² | +25 m² +15% | 2022 |
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| 79, Madeira Avenue897 m away | 119 m² | 144 m² | +25 m² +21% | 2021 |
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| 40, Seychelle Court, 24, Foxgrove Road573 m away | 54 m² | 79 m² | +25 m² +46% | 2016 |
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| 10, Seychelle Court, 24, Foxgrove Road573 m away | 54 m² | 79 m² | +25 m² +46% | 2016 |
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| 99d, Albemarle Road431 m away | 113 m² | 138 m² | +25 m² +22% | 2009 |
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| Flat 6, Bentley House, 45, Albemarle Road620 m away | 63 m² | 87 m² | +24 m² +38% | 2026 |
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| 27, Seychelle Court, 24, Foxgrove Road573 m away | 54 m² | 78 m² | +24 m² +44% | 2018 |
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| 6, River Park Gardens474 m away | 66 m² | 90 m² | +24 m² +36% | 2016 |
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| Flat 1, 8, Manor Road989 m away | 36 m² | 60 m² | +24 m² +67% | 2011 |
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| 3, Canterbury Close786 m away | 89 m² | 112 m² | +23 m² +26% | 2019 |
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| Flat 7, Robins Court, 77, Bromley Road653 m away | 97 m² | 120 m² | +23 m² +24% | 2017 |
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| Flat 2, 13, Wickham Road913 m away | 61 m² | 84 m² | +23 m² +38% | 2015 |
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| 21, The Heights100 m away | 145 m² | 167 m² | +22 m² +15% | 2021 |
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| 6, Ravensmead Road474 m away | 96 m² | 118 m² | +22 m² +23% | 2018 |
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| 1, Repton Court583 m away | 119 m² | 141 m² | +22 m² +18% | 2012 |
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| 83a, Foxgrove Road0 m away | 102 m² | 123 m² | +21 m² +21% | 2026 |
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| Flat 3, 220, Bromley Road766 m away | 102 m² | 123 m² | +21 m² +21% | 2025 |
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| Flat 4, 12, Southend Road868 m away | 58 m² | 79 m² | +21 m² +36% | 2022 |
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| Flat 1, 22, Manor Road989 m away | 48 m² | 69 m² | +21 m² +44% | 2022 |
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| 14, Repton Court583 m away | 101 m² | 122 m² | +21 m² +21% | 2021 |
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| 41, White Oak Drive787 m away | 115 m² | 136 m² | +21 m² +18% | 2021 |
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| 44, Seychelle Court, 24, Foxgrove Road573 m away | 54 m² | 74 m² | +20 m² +37% | 2025 |
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| Flat 4, 7, The Avenue670 m away | 65 m² | 85 m² | +20 m² +31% | 2020 |
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| Flat 5, Rowan Court, 19, The Avenue607 m away | 111 m² | 130 m² | +19 m² +17% | 2026 |
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| 29, Manor Road990 m away | 48 m² | 67 m² | +19 m² +40% | 2025 |
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| 1a, Hazelhurst505 m away | 60 m² | 79 m² | +19 m² +32% | 2022 |
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| 85, Calmont Road852 m away | 89 m² | 108 m² | +19 m² +21% | 2016 |
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| Flat 12, Lait House, 1, Albemarle Road894 m away | 58 m² | 77 m² | +19 m² +33% | 2009 |
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| 17, Downs Hill654 m away | 116 m² | 134 m² | +18 m² +16% | 2026 |
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| 18, Bromley Road902 m away | 41 m² | 59 m² | +18 m² +44% | 2026 |
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| Flat 3, Wyefield, 4, The Knoll808 m away | 60 m² | 78 m² | +18 m² +30% | 2023 |
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| Flat 8, St. Margarets, Beckenham Place Park572 m away | 79 m² | 97 m² | +18 m² +23% | 2021 |
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| Flat 6, The Beeches, 26, Albemarle Road646 m away | 71 m² | 89 m² | +18 m² +25% | 2020 |
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| 15, Lankton Close666 m away | 109 m² | 127 m² | +18 m² +17% | 2019 |
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| 16, West Oak345 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
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| 6, Hurst Court, Southend Road957 m away | 46 m² | 63 m² | +17 m² +37% | 2020 |
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| 47, Chancery Lane832 m away | 111 m² | 128 m² | +17 m² +15% | 2017 |
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| 20, Apex Close473 m away | 55 m² | 71 m² | +16 m² +29% | 2025 |
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| 10b, Wickham Road891 m away | 48 m² | 64 m² | +16 m² +33% | 2025 |
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| 14, Canterbury Close786 m away | 89 m² | 105 m² | +16 m² +18% | 2023 |
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| Flat 4, Ibis Court, 135, Albemarle Road725 m away | 62 m² | 78 m² | +16 m² +26% | 2022 |
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| 15, Glendale Mews636 m away | 92 m² | 108 m² | +16 m² +17% | 2020 |
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| Flat 2, 13, Manor Road990 m away | 24 m² | 40 m² | +16 m² +67% | 2019 |
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| 2, Seychelle Court, 24, Foxgrove Road573 m away | 54 m² | 70 m² | +16 m² +30% | 2016 |
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| Flat 20, Oakdale, 6, Westgate Road658 m away | 62 m² | 78 m² | +16 m² +26% | 2014 |
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| 34, Springbourne Court159 m away | 90 m² | 106 m² | +16 m² +18% | 2012 |
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| Flat 9, Fairline Court, 2, Oakwood Avenue892 m away | 32 m² | 47 m² | +15 m² +47% | 2026 |
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| Flat 14, Northview, 56, Albemarle Road437 m away | 85 m² | 100 m² | +15 m² +18% | 2024 |
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| Flat 7, Cypress Court, 83, Albemarle Road375 m away | 20 m² | 35 m² | +15 m² +75% | 2021 |
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| 9, Oakhill Road898 m away | 92 m² | 107 m² | +15 m² +16% | 2021 |
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| 3, Devonshire Court, 15, Westgate Road652 m away | 67 m² | 82 m² | +15 m² +22% | 2014 |
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