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 5DB
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 Park771 m away | 389 m² | 639 m² | +250 m² +64% | 2023 |
| 2, Southwater Close553 m away | 140 m² | 304 m² | +164 m² +117% | 2022 |
| 16, Foxgrove Avenue479 m away | 176 m² | 301 m² | +125 m² +71% | 2020 |
| 20, Crescent Road814 m away | 312 m² | 435 m² | +123 m² +39% | 2023 |
| Flat 1, 220, Bromley Road755 m away | 148 m² | 270 m² | +122 m² +82% | 2022 |
| 3, Ashmere Avenue773 m away | 146 m² | 262 m² | +116 m² +79% | 2019 |
| 173, Farnaby Road653 m away | 105 m² | 216 m² | +111 m² +106% | 2024 |
| 161, Farnaby Road653 m away | 124 m² | 232 m² | +108 m² +87% | 2025 |
| 36c, Albemarle Road366 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 Close640 m away | 96 m² | 189 m² | +93 m² +97% | 2021 |
|---|
| 34, White Oak Drive732 m away | 102 m² | 179 m² | +77 m² +75% | 2014 |
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| 187, Farnaby Road653 m away | 121 m² | 198 m² | +77 m² +64% | 2013 |
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| 13, Brunswick Terrace, The Knoll665 m away | 268 m² | 344 m² | +76 m² +28% | 2025 |
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| 18, Ravensbourne Avenue969 m away | 116 m² | 187 m² | +71 m² +61% | 2025 |
|---|
| 5, Ashmere Avenue773 m away | 184 m² | 255 m² | +71 m² +39% | 2021 |
|---|
| Hillary Mount, Crab Hill246 m away | 158 m² | 228 m² | +70 m² +44% | 2023 |
|---|
| 162, Bromley Road632 m away | 154 m² | 224 m² | +70 m² +45% | 2015 |
|---|
| 202, Farnaby Road643 m away | 101 m² | 170 m² | +69 m² +68% | 2021 |
|---|
| 18, Scotts Lane807 m away | 147 m² | 216 m² | +69 m² +47% | 2015 |
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| 16, Ravensbourne Avenue969 m away | 119 m² | 187 m² | +68 m² +57% | 2026 |
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| 77b, Bromley Road599 m away | 64 m² | 132 m² | +68 m² +106% | 2024 |
|---|
| 14, Warren Avenue930 m away | 91 m² | 151 m² | +60 m² +66% | 2023 |
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| 192, Farnaby Road643 m away | 126 m² | 181 m² | +55 m² +44% | 2020 |
|---|
| 26, Hillbrow Road980 m away | 134 m² | 188 m² | +54 m² +40% | 2024 |
|---|
| 2, Westmoat Close159 m away | 146 m² | 196 m² | +50 m² +34% | 2021 |
|---|
| 74a, Albemarle Road379 m away | 59 m² | 109 m² | +50 m² +85% | 2011 |
|---|
| Flat 1, Montreaux Court, 55, Albemarle Road539 m away | 41 m² | 90 m² | +49 m² +120% | 2026 |
|---|
| 64, Warren Avenue930 m away | 104 m² | 153 m² | +49 m² +47% | 2017 |
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| 68, Warren Avenue930 m away | 89 m² | 137 m² | +48 m² +54% | 2024 |
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| 33, White Oak Drive732 m away | 87 m² | 134 m² | +47 m² +54% | 2022 |
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| 101, Ravensbourne Avenue537 m away | 73 m² | 119 m² | +46 m² +63% | 2026 |
|---|
| 32, Crescent Road814 m away | 164 m² | 210 m² | +46 m² +28% | 2016 |
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| 23, Calmont Road937 m away | 88 m² | 133 m² | +45 m² +51% | 2020 |
|---|
| Flat 1, Grovehurst Apartments, 49, Manor Road906 m away | 51 m² | 95 m² | +44 m² +86% | 2022 |
|---|
| 13, Downs Road866 m away | 144 m² | 188 m² | +44 m² +31% | 2020 |
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| 57, Downs Hill460 m away | 124 m² | 168 m² | +44 m² +35% | 2019 |
|---|
| 51, Oakwood Avenue821 m away | 164 m² | 206 m² | +42 m² +26% | 2026 |
|---|
| 74, The Heights121 m away | 105 m² | 147 m² | +42 m² +40% | 2022 |
|---|
| 34, Foxgrove Road325 m away | 255 m² | 296 m² | +41 m² +16% | 2017 |
|---|
| 1, Limes Road778 m away | 36 m² | 77 m² | +41 m² +114% | 2017 |
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| 71, Madeira Avenue972 m away | 60 m² | 101 m² | +41 m² +68% | 2014 |
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| 12, The Knoll722 m away | 165 m² | 202 m² | +37 m² +22% | 2025 |
|---|
| The Orchard, Westgate Road251 m away | 59 m² | 96 m² | +37 m² +63% | 2022 |
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| 8, The Gardens494 m away | 108 m² | 145 m² | +37 m² +34% | 2016 |
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| 8, Ashmere Avenue773 m away | 206 m² | 242 m² | +36 m² +17% | 2023 |
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| 49a, High Street995 m away | 110 m² | 146 m² | +36 m² +33% | 2022 |
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| 21, Downs Road866 m away | 100 m² | 135 m² | +35 m² +35% | 2025 |
|---|
| A home on White Oak Drive732 m away | 121 m² | 156 m² | +35 m² +29% | 2024 |
|---|
| 10a, The Knoll722 m away | 154 m² | 189 m² | +35 m² +23% | 2023 |
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| 35, Crescent Road825 m away | 104 m² | 139 m² | +35 m² +34% | 2023 |
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| 9, Ashmere Avenue773 m away | 183 m² | 217 m² | +34 m² +19% | 2024 |
|---|
| 1, Scotts Lane807 m away | 70 m² | 104 m² | +34 m² +49% | 2021 |
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| Flat 6, Cranley Court, Beckenham Grove935 m away | 60 m² | 93 m² | +33 m² +55% | 2020 |
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| Tanti, 107, Ravensbourne Avenue537 m away | 78 m² | 111 m² | +33 m² +42% | 2014 |
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| 143, Ravensbourne Avenue537 m away | 107 m² | 140 m² | +33 m² +31% | 2010 |
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| Flat 1, Copperfields, 48, The Avenue360 m away | 56 m² | 88 m² | +32 m² +57% | 2021 |
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| 27, Ravensmead Road507 m away | 98 m² | 130 m² | +32 m² +33% | 2018 |
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| 26, Banavie Gardens267 m away | 43 m² | 74 m² | +31 m² +72% | 2026 |
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| Flat 6, Hill House, 113, Foxgrove Road86 m away | 48 m² | 79 m² | +31 m² +65% | 2025 |
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| 24, The Gardens494 m away | 92 m² | 123 m² | +31 m² +34% | 2016 |
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| Flat 6, Waveney Court, 49, The Avenue136 m away | 34 m² | 64 m² | +30 m² +88% | 2022 |
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| Flat 5, Ashbourne Court, 59a, Albemarle Road383 m away | 47 m² | 76 m² | +29 m² +62% | 2025 |
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| Flat 43, Oakdale, 6, Westgate Road573 m away | 57 m² | 86 m² | +29 m² +51% | 2021 |
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| Flat 8, Glenbyrne Lodge, 38, Albemarle Road366 m away | 50 m² | 79 m² | +29 m² +58% | 2019 |
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| Flat 3, Raleigh Court, 21a, The Avenue466 m away | 96 m² | 125 m² | +29 m² +30% | 2019 |
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| Flat 5, 31, Manor Road906 m away | 37 m² | 66 m² | +29 m² +78% | 2019 |
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| 138, Farnaby Road883 m away | 117 m² | 145 m² | +28 m² +24% | 2025 |
|---|
| Flat 107, Lait House, 1, Albemarle Road823 m away | 53 m² | 81 m² | +28 m² +53% | 2024 |
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| Flat 4, 31, Manor Road906 m away | 41 m² | 69 m² | +28 m² +68% | 2022 |
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| 8, Minshull Place958 m away | 39 m² | 67 m² | +28 m² +72% | 2022 |
|---|
| 171, Farnaby Road653 m away | 110 m² | 138 m² | +28 m² +25% | 2017 |
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| Flat 3, South Park Court, Park Road885 m away | 69 m² | 97 m² | +28 m² +41% | 2014 |
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| Flat 45, Lait House, 1, Albemarle Road823 m away | 51 m² | 78 m² | +27 m² +53% | 2026 |
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| 6, Ravensbourne Avenue969 m away | 93 m² | 120 m² | +27 m² +29% | 2025 |
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| Flat 7, 42, Albemarle Road366 m away | 53 m² | 80 m² | +27 m² +51% | 2024 |
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| 194, Farnaby Road643 m away | 73 m² | 100 m² | +27 m² +37% | 2016 |
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| 16, Cadogan Close688 m away | 47 m² | 74 m² | +27 m² +57% | 2013 |
|---|
| 75, Oakwood Avenue821 m away | 167 m² | 193 m² | +26 m² +16% | 2025 |
|---|
| Flat 47, Lait House, 1, Albemarle Road823 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
|---|
| 13, Parkwood946 m away | 51 m² | 77 m² | +26 m² +51% | 2022 |
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| 36, Albemarle Park643 m away | 122 m² | 147 m² | +25 m² +20% | 2025 |
|---|
| Flat 8, 42, Albemarle Road366 m away | 52 m² | 77 m² | +25 m² +48% | 2023 |
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| 28, Wickham Road805 m away | 165 m² | 190 m² | +25 m² +15% | 2022 |
|---|
| 79, Madeira Avenue972 m away | 119 m² | 144 m² | +25 m² +21% | 2021 |
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| 40, Seychelle Court, 24, Foxgrove Road517 m away | 54 m² | 79 m² | +25 m² +46% | 2016 |
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| 10, Seychelle Court, 24, Foxgrove Road517 m away | 54 m² | 79 m² | +25 m² +46% | 2016 |
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| 99d, Albemarle Road397 m away | 113 m² | 138 m² | +25 m² +22% | 2009 |
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| Flat 6, Bentley House, 45, Albemarle Road539 m away | 63 m² | 87 m² | +24 m² +38% | 2026 |
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| 27, Seychelle Court, 24, Foxgrove Road517 m away | 54 m² | 78 m² | +24 m² +44% | 2018 |
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| 6, River Park Gardens555 m away | 66 m² | 90 m² | +24 m² +36% | 2016 |
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| Flat 1, 8, Manor Road904 m away | 36 m² | 60 m² | +24 m² +67% | 2011 |
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| 3, Canterbury Close716 m away | 89 m² | 112 m² | +23 m² +26% | 2019 |
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| Flat 7, Robins Court, 77, Bromley Road619 m away | 97 m² | 120 m² | +23 m² +24% | 2017 |
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| Flat 2, 13, Wickham Road827 m away | 61 m² | 84 m² | +23 m² +38% | 2015 |
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| Flat 4, Parker House, Southend Road993 m away | 56 m² | 78 m² | +22 m² +39% | 2024 |
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| 21, The Heights105 m away | 145 m² | 167 m² | +22 m² +15% | 2021 |
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| 6, Ravensmead Road549 m away | 96 m² | 118 m² | +22 m² +23% | 2018 |
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| 1, Repton Court508 m away | 119 m² | 141 m² | +22 m² +18% | 2012 |
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| 83a, Foxgrove Road86 m away | 102 m² | 123 m² | +21 m² +21% | 2026 |
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| 10, Kemerton Road966 m away | 83 m² | 104 m² | +21 m² +25% | 2026 |
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| Flat 3, 220, Bromley Road755 m away | 102 m² | 123 m² | +21 m² +21% | 2025 |
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| Flat 4, 12, Southend Road811 m away | 58 m² | 79 m² | +21 m² +36% | 2022 |
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| Flat 1, 22, Manor Road904 m away | 48 m² | 69 m² | +21 m² +44% | 2022 |
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| 14, Repton Court508 m away | 101 m² | 122 m² | +21 m² +21% | 2021 |
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| 41, White Oak Drive732 m away | 115 m² | 136 m² | +21 m² +18% | 2021 |
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| 1, Ellesmere Avenue926 m away | 102 m² | 123 m² | +21 m² +21% | 2017 |
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| 44, Seychelle Court, 24, Foxgrove Road517 m away | 54 m² | 74 m² | +20 m² +37% | 2025 |
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| Flat 4, 7, The Avenue606 m away | 65 m² | 85 m² | +20 m² +31% | 2020 |
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| Flat 5, Rowan Court, 19, The Avenue540 m away | 111 m² | 130 m² | +19 m² +17% | 2026 |
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| 29, Manor Road906 m away | 48 m² | 67 m² | +19 m² +40% | 2025 |
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| 1a, Hazelhurst469 m away | 60 m² | 79 m² | +19 m² +32% | 2022 |
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| 85, Calmont Road937 m away | 89 m² | 108 m² | +19 m² +21% | 2016 |
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| 17, Downs Hill676 m away | 116 m² | 134 m² | +18 m² +16% | 2026 |
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| 18, Bromley Road818 m away | 41 m² | 59 m² | +18 m² +44% | 2026 |
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| 52, Wickham Road965 m away | 116 m² | 134 m² | +18 m² +16% | 2024 |
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| Flat 3, Wyefield, 4, The Knoll722 m away | 60 m² | 78 m² | +18 m² +30% | 2023 |
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| Flat 8, St. Margarets, Beckenham Place Park553 m away | 79 m² | 97 m² | +18 m² +23% | 2021 |
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| Flat 6, The Beeches, 26, Albemarle Road563 m away | 71 m² | 89 m² | +18 m² +25% | 2020 |
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| 15, Lankton Close582 m away | 109 m² | 127 m² | +18 m² +17% | 2019 |
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| 23, Minshull Place958 m away | 59 m² | 76 m² | +17 m² +29% | 2023 |
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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 Road930 m away | 46 m² | 63 m² | +17 m² +37% | 2020 |
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| Flat 4, 7, Bevington Road995 m away | 23 m² | 40 m² | +17 m² +74% | 2019 |
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| 47, Chancery Lane746 m away | 111 m² | 128 m² | +17 m² +15% | 2017 |
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| Flat 16, Fitzhardinge House, 2, Kemerton Road966 m away | 94 m² | 111 m² | +17 m² +18% | 2015 |
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| 15, Ellesmere Avenue926 m away | 109 m² | 126 m² | +17 m² +16% | 2014 |
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| 20, Apex Close393 m away | 55 m² | 71 m² | +16 m² +29% | 2025 |
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| 10b, Wickham Road805 m away | 48 m² | 64 m² | +16 m² +33% | 2025 |
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| 14, Canterbury Close716 m away | 89 m² | 105 m² | +16 m² +18% | 2023 |
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| Flat 4, Ibis Court, 135, Albemarle Road727 m away | 62 m² | 78 m² | +16 m² +26% | 2022 |
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| 15, Glendale Mews549 m away | 92 m² | 108 m² | +16 m² +17% | 2020 |
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| Flat 2, 13, Manor Road906 m away | 24 m² | 40 m² | +16 m² +67% | 2019 |
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| 2, Seychelle Court, 24, Foxgrove Road517 m away | 54 m² | 70 m² | +16 m² +30% | 2016 |
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| Flat 20, Oakdale, 6, Westgate Road573 m away | 62 m² | 78 m² | +16 m² +26% | 2014 |
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| 34, Springbourne Court75 m away | 90 m² | 106 m² | +16 m² +18% | 2012 |
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| Flat 9, Fairline Court, 2, Oakwood Avenue827 m away | 32 m² | 47 m² | +15 m² +47% | 2026 |
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| Flat 14, Northview, 56, Albemarle Road379 m away | 85 m² | 100 m² | +15 m² +18% | 2024 |
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| Flat 7, Cypress Court, 83, Albemarle Road316 m away | 20 m² | 35 m² | +15 m² +75% | 2021 |
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| 9, Oakhill Road819 m away | 92 m² | 107 m² | +15 m² +16% | 2021 |
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| 3, Devonshire Court, 15, Westgate Road565 m away | 67 m² | 82 m² | +15 m² +22% | 2014 |
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