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 1QJ
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 Park872 m away | 389 m² | 639 m² | +250 m² +64% | 2023 |
| 18, Reddons Road610 m away | 246 m² | 387 m² | +141 m² +57% | 2012 |
| 57, Park Road495 m away | 136 m² | 240 m² | +104 m² +76% | 2025 |
| 58, Woodbastwick Road915 m away | 130 m² | 226 m² | +96 m² +74% | 2021 |
| 2, The Willows737 m away | 102 m² | 198 m² | +96 m² +94% | 2020 |
| 37, Kings Hall Road748 m away | 187 m² | 280 m² | +93 m² +50% | 2021 |
| 87, The Drive835 m away | 80 m² | 172 m² | +92 m² +115% | 2019 |
| 67, Kings Hall Road634 m away | 124 m² | 215 m² | +91 m² +73% | 2020 |
| 40, Park Road430 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.
| 154 m² |
| 240 m² |
| +86 m² +56% |
| 2022 |
| 2, Eversleigh Place495 m away | 129 m² | 213 m² | +84 m² +65% | 2024 |
|---|
| 136, Lennard Road552 m away | 139 m² | 220 m² | +81 m² +58% | 2026 |
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| Stanbrook, Hayne Road720 m away | 90 m² | 171 m² | +81 m² +90% | 2019 |
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| 8, Lawn Road250 m away | 166 m² | 244 m² | +78 m² +47% | 2024 |
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| 87, Copers Cope Road98 m away | 278 m² | 346 m² | +68 m² +24% | 2021 |
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| 48, Barnmead Road856 m away | 117 m² | 179 m² | +62 m² +53% | 2020 |
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| Redroofs, Lawn Road250 m away | 124 m² | 185 m² | +61 m² +49% | 2022 |
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| 56, Woodbastwick Road915 m away | 134 m² | 194 m² | +60 m² +45% | 2022 |
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| 37, Braeside928 m away | 141 m² | 199 m² | +58 m² +41% | 2022 |
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| 263, Kent House Road715 m away | 131 m² | 187 m² | +56 m² +43% | 2024 |
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| 6, Imperial Court, 2, Blakeney Road662 m away | 86 m² | 142 m² | +56 m² +65% | 2020 |
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| 90, Lennard Road874 m away | 204 m² | 260 m² | +56 m² +27% | 2018 |
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| 214, Kent House Road742 m away | 120 m² | 175 m² | +55 m² +46% | 2026 |
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| 260, Kent House Road742 m away | 113 m² | 166 m² | +53 m² +47% | 2016 |
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| 43, Chaffinch Road719 m away | 87 m² | 139 m² | +52 m² +60% | 2025 |
|---|
| 43, Reddons Road634 m away | 181 m² | 233 m² | +52 m² +29% | 2021 |
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| 102, Kent House Road777 m away | 132 m² | 182 m² | +50 m² +38% | 2016 |
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| 86, Barnmead Road928 m away | 97 m² | 146 m² | +49 m² +51% | 2022 |
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| 140, Kent House Road689 m away | 139 m² | 187 m² | +48 m² +35% | 2023 |
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| 87, Chaffinch Road719 m away | 91 m² | 139 m² | +48 m² +53% | 2022 |
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| 15, Whateley Road882 m away | 85 m² | 132 m² | +47 m² +55% | 2021 |
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| 76, Kings Hall Road728 m away | 203 m² | 248 m² | +45 m² +22% | 2026 |
|---|
| 87, Kent House Lane797 m away | 78 m² | 122 m² | +44 m² +56% | 2021 |
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| 3, Overbrae887 m away | 118 m² | 159 m² | +41 m² +35% | 2022 |
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| 1, Grangewood Lane184 m away | 121 m² | 161 m² | +40 m² +33% | 2014 |
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| 40, Church Avenue996 m away | 106 m² | 145 m² | +39 m² +37% | 2026 |
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| 171, Kings Hall Road267 m away | 154 m² | 193 m² | +39 m² +25% | 2025 |
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| 26, Barnmead Road856 m away | 194 m² | 233 m² | +39 m² +20% | 2021 |
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| 34, Blakeney Road463 m away | 109 m² | 148 m² | +39 m² +36% | 2020 |
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| 89, Kent House Lane797 m away | 89 m² | 128 m² | +39 m² +44% | 2014 |
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| 26, Blakeney Road463 m away | 103 m² | 141 m² | +38 m² +37% | 2023 |
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| Flat 1, Knewleave House, Copers Cope Road225 m away | 88 m² | 126 m² | +38 m² +43% | 2021 |
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| 56a, Copers Cope Road283 m away | 132 m² | 170 m² | +38 m² +29% | 2018 |
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| Flat 14, Regents Court, 6 - 8, Copers Cope Road701 m away | 29 m² | 66 m² | +37 m² +128% | 2024 |
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| 35, Braeside928 m away | 159 m² | 196 m² | +37 m² +23% | 2024 |
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| 106, Kent House Road777 m away | 177 m² | 214 m² | +37 m² +21% | 2023 |
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| 88, Lennard Road874 m away | 204 m² | 241 m² | +37 m² +18% | 2023 |
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| Flat 7, Minster House, Abbey Park621 m away | 38 m² | 74 m² | +36 m² +95% | 2025 |
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| 40, Barnmead Road856 m away | 164 m² | 200 m² | +36 m² +22% | 2023 |
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| 103, The Drive835 m away | 120 m² | 156 m² | +36 m² +30% | 2021 |
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| 20, Church Avenue996 m away | 96 m² | 132 m² | +36 m² +38% | 2019 |
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| 12, Church Avenue996 m away | 96 m² | 131 m² | +35 m² +36% | 2020 |
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| Flat 4, Chartwell Lodge, 9, Brackley Road511 m away | 26 m² | 60 m² | +34 m² +131% | 2026 |
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| Flat 8, Glenavon Lodge, 46, Park Road430 m away | 44 m² | 78 m² | +34 m² +77% | 2021 |
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| 19, Eastwell Close695 m away | 90 m² | 123 m² | +33 m² +37% | 2021 |
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| 5, Beckett Walk545 m away | 47 m² | 80 m² | +33 m² +70% | 2013 |
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| 63, Chaffinch Road719 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
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| 130, Lennard Road552 m away | 68 m² | 100 m² | +32 m² +47% | 2022 |
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| 62, Barnmead Road856 m away | 120 m² | 151 m² | +31 m² +26% | 2026 |
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| 60, Rowden Road689 m away | 106 m² | 136 m² | +30 m² +28% | 2018 |
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| 13, Kings Hall Road748 m away | 168 m² | 197 m² | +29 m² +17% | 2024 |
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| 44, Church Avenue996 m away | 99 m² | 128 m² | +29 m² +29% | 2024 |
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| 34, Century Way246 m away | 168 m² | 197 m² | +29 m² +17% | 2017 |
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| 8, Minshull Place712 m away | 39 m² | 67 m² | +28 m² +72% | 2022 |
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| 4, Bearstead Terrace665 m away | 91 m² | 119 m² | +28 m² +31% | 2020 |
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| Flat 3, South Park Court, Park Road796 m away | 69 m² | 97 m² | +28 m² +41% | 2014 |
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| 36, Somerville Road808 m away | 95 m² | 122 m² | +27 m² +28% | 2022 |
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| 50, Barnmead Road856 m away | 150 m² | 177 m² | +27 m² +18% | 2021 |
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| Flat 15, Oval Court, 15, Headingley Drive715 m away | 72 m² | 99 m² | +27 m² +38% | 2020 |
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| 2, Lathkill Court, Hayne Road744 m away | 43 m² | 70 m² | +27 m² +63% | 2019 |
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| 214, Bell Green Lane938 m away | 36 m² | 63 m² | +27 m² +75% | 2019 |
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| Flat 5, 101a, Parish Lane871 m away | 36 m² | 62 m² | +26 m² +72% | 2025 |
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| 22, Vicarage Drive872 m away | 90 m² | 116 m² | +26 m² +29% | 2024 |
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| 34, Kings Hall Road806 m away | 114 m² | 140 m² | +26 m² +23% | 2023 |
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| 68, Lennard Road874 m away | 169 m² | 195 m² | +26 m² +15% | 2023 |
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| 13, Parkwood758 m away | 51 m² | 77 m² | +26 m² +51% | 2022 |
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| 11, Kent House Lane797 m away | 96 m² | 122 m² | +26 m² +27% | 2022 |
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| Flat 2, Rye Lodge, 40, Copers Cope Road370 m away | 57 m² | 82 m² | +25 m² +44% | 2020 |
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| Flat 16, Pavilion House, Copers Cope Road531 m away | 112 m² | 137 m² | +25 m² +22% | 2020 |
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| 81b, Copers Cope Road98 m away | 128 m² | 152 m² | +24 m² +19% | 2022 |
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| 19, Chaffinch Road849 m away | 93 m² | 117 m² | +24 m² +26% | 2018 |
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| Flat E, Mentmore Lodge, 65, Copers Cope Road98 m away | 70 m² | 94 m² | +24 m² +34% | 2014 |
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| 25, Whateley Road882 m away | 90 m² | 113 m² | +23 m² +26% | 2026 |
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| 25, Tennyson Road904 m away | 89 m² | 112 m² | +23 m² +26% | 2021 |
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| 31, Kent House Lane797 m away | 77 m² | 100 m² | +23 m² +30% | 2020 |
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| 27, Hackington Crescent830 m away | 48 m² | 71 m² | +23 m² +48% | 2009 |
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| Flat 4, Parker House, Southend Road663 m away | 56 m² | 78 m² | +22 m² +39% | 2024 |
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| Flat 3, 13, Beckenham Road997 m away | 97 m² | 119 m² | +22 m² +23% | 2024 |
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| 112b, Lennard Road730 m away | 90 m² | 112 m² | +22 m² +24% | 2019 |
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| 100, The Drive863 m away | 81 m² | 102 m² | +21 m² +26% | 2024 |
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| 13, Vicarage Drive872 m away | 88 m² | 109 m² | +21 m² +24% | 2023 |
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| Flat 10, Wych End, 49, Copers Cope Road155 m away | 36 m² | 57 m² | +21 m² +58% | 2022 |
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| 76, The Drive863 m away | 99 m² | 120 m² | +21 m² +21% | 2022 |
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| Flat 4, 12, Southend Road878 m away | 58 m² | 79 m² | +21 m² +36% | 2022 |
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| 177, Beckenham Road942 m away | 29 m² | 50 m² | +21 m² +72% | 2017 |
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| Flat 6, Fircroft, 51, Copers Cope Road135 m away | 50 m² | 71 m² | +21 m² +42% | 2014 |
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| 257, Worsley Bridge Road796 m away | 119 m² | 140 m² | +21 m² +18% | 2011 |
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| 8, Thayers Farm Road878 m away | 68 m² | 88 m² | +20 m² +29% | 2026 |
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| Flat 39, Lucas Court, Winchfield Road984 m away | 55 m² | 75 m² | +20 m² +36% | 2024 |
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| 15, Blakeney Avenue517 m away | 119 m² | 139 m² | +20 m² +17% | 2019 |
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| 85, Parish Lane837 m away | 90 m² | 110 m² | +20 m² +22% | 2019 |
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| 25, Moliner Court, 15, Brackley Road458 m away | 46 m² | 66 m² | +20 m² +43% | 2014 |
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| Flat 4, Rebecca Court, 9, Copers Cope Road574 m away | 57 m² | 76 m² | +19 m² +33% | 2026 |
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| 50, Tennyson Road904 m away | 66 m² | 85 m² | +19 m² +29% | 2026 |
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| 7, Silverwood Close374 m away | 73 m² | 92 m² | +19 m² +26% | 2025 |
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| 29, Tennyson Road904 m away | 92 m² | 111 m² | +19 m² +21% | 2025 |
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| Flat 7, Archways, 4, Blakeney Road650 m away | 52 m² | 71 m² | +19 m² +37% | 2024 |
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| 2, Century Way246 m away | 126 m² | 145 m² | +19 m² +15% | 2023 |
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| Flat 11, Sandby Court, 8, Sheridan Way754 m away | 55 m² | 74 m² | +19 m² +35% | 2021 |
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| 5, Waterside763 m away | 49 m² | 67 m² | +18 m² +37% | 2025 |
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| 95c, Lennard Road730 m away | 69 m² | 87 m² | +18 m² +26% | 2023 |
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| 44, Vicarage Drive872 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
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| Flat 11, Willow Court, 5a, Copers Cope Road631 m away | 61 m² | 79 m² | +18 m² +30% | 2022 |
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| Flat 8, 44, Copers Cope Road234 m away | 81 m² | 99 m² | +18 m² +22% | 2020 |
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| Flat 18, Sinclair Court, 14, Copers Cope Road664 m away | 42 m² | 60 m² | +18 m² +43% | 2014 |
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| 6, Homefield Mews653 m away | 42 m² | 59 m² | +17 m² +40% | 2024 |
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| 21, Brackens, 4, Brackley Road469 m away | 48 m² | 65 m² | +17 m² +35% | 2023 |
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| 32, Rowden Road689 m away | 105 m² | 122 m² | +17 m² +16% | 2023 |
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| 23, Minshull Place712 m away | 59 m² | 76 m² | +17 m² +29% | 2023 |
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| 6, Hurst Court, Southend Road740 m away | 46 m² | 63 m² | +17 m² +37% | 2020 |
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| Flat 1, April Court, 43, Copers Cope Road135 m away | 46 m² | 62 m² | +16 m² +35% | 2025 |
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| 75, Kent House Lane797 m away | 80 m² | 96 m² | +16 m² +20% | 2020 |
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| 1, Beckett Walk545 m away | 105 m² | 121 m² | +16 m² +15% | 2015 |
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| Flat 10, Camellia Court, 18, Copers Cope Road701 m away | 53 m² | 69 m² | +16 m² +30% | 2014 |
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| 116a, Wessex Court951 m away | 40 m² | 56 m² | +16 m² +40% | 2010 |
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| 22, Cator Road957 m away | 63 m² | 79 m² | +16 m² +25% | 2008 |
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| 23, Beckett Walk545 m away | 71 m² | 86 m² | +15 m² +21% | 2026 |
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| Flat 11, Knights Court, 85, Kings Hall Road634 m away | 47 m² | 62 m² | +15 m² +32% | 2024 |
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| 32, Kingston Crescent692 m away | 75 m² | 90 m² | +15 m² +20% | 2024 |
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| Registry Heights, 34, Beckenham Road891 m away | 41 m² | 56 m² | +15 m² +37% | 2023 |
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| 90, The Drive863 m away | 96 m² | 111 m² | +15 m² +16% | 2022 |
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| Flat 2, Regents Court, 6 - 8, Copers Cope Road701 m away | 76 m² | 91 m² | +15 m² +20% | 2019 |
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| Flat 17, Vickers Court, 101b, Parish Lane944 m away | 48 m² | 63 m² | +15 m² +31% | 2012 |
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