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 BR3 4SH
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 |
|---|---|---|---|---|
| 41, Beck Lane313 m away | 89 m² | 220 m² | +131 m² +147% | 2023 |
| 27, Clock House Road940 m away | 64 m² | 152 m² | +88 m² +138% | 2024 |
| 41, Elmers End Road250 m away | 116 m² | 201 m² | +85 m² +73% | 2025 |
| 29, Maple Road808 m away | 76 m² | 157 m² | +81 m² +107% | 2018 |
| 194, Beckenham Road834 m away | 337 m² | 418 m² | +81 m² +24% | 2017 |
| 45, Cromwell Road838 m away | 135 m² | 213 m² | +78 m² +58% | 2023 |
| 33, Sheringham Road424 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
| 191, Ravenscroft Road280 m away | 63 m² | 135 m² | +72 m² +114% | 2021 |
| 98, Avenue Road412 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.
| 72 m² |
| 143 m² |
| +71 m² +99% |
| 2025 |
| 45, St James'S Avenue873 m away | 110 m² | 179 m² | +69 m² +63% | 2017 |
|---|
| 26, Ravenscroft Road639 m away | 89 m² | 157 m² | +68 m² +76% | 2025 |
|---|
| 115, Croydon Road572 m away | 261 m² | 329 m² | +68 m² +26% | 2017 |
|---|
| 19, Chesham Crescent425 m away | 105 m² | 172 m² | +67 m² +64% | 2014 |
|---|
| 15, Warwick Road610 m away | 114 m² | 179 m² | +65 m² +57% | 2021 |
|---|
| 45, Kingsdale Road992 m away | 64 m² | 128 m² | +64 m² +100% | 2020 |
|---|
| 80, Ravenscroft Road639 m away | 102 m² | 164 m² | +62 m² +61% | 2020 |
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| 48, Barnmead Road986 m away | 117 m² | 179 m² | +62 m² +53% | 2020 |
|---|
| 50, Birkbeck Road695 m away | 106 m² | 166 m² | +60 m² +57% | 2025 |
|---|
| 152, Blandford Road531 m away | 83 m² | 143 m² | +60 m² +72% | 2021 |
|---|
| 35, Hampden Road941 m away | 73 m² | 133 m² | +60 m² +82% | 2018 |
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| 295, Beckenham Road791 m away | 125 m² | 185 m² | +60 m² +48% | 2016 |
|---|
| 58, Forster Road779 m away | 115 m² | 174 m² | +59 m² +51% | 2023 |
|---|
| 5a, Villiers Road391 m away | 92 m² | 151 m² | +59 m² +64% | 2019 |
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| 171, Harrington Road975 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
|---|
| 62, Forster Road779 m away | 111 m² | 165 m² | +54 m² +49% | 2025 |
|---|
| 34, Jasmine Grove964 m away | 150 m² | 204 m² | +54 m² +36% | 2024 |
|---|
| 6, Kenilworth Road747 m away | 104 m² | 158 m² | +54 m² +52% | 2020 |
|---|
| 81, Mackenzie Road517 m away | 60 m² | 113 m² | +53 m² +88% | 2022 |
|---|
| 204, Clock House Road733 m away | 84 m² | 134 m² | +50 m² +60% | 2026 |
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| 35, Forster Road837 m away | 101 m² | 151 m² | +50 m² +50% | 2025 |
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| 53, St James'S Avenue873 m away | 108 m² | 158 m² | +50 m² +46% | 2022 |
|---|
| 86, Barnmead Road958 m away | 97 m² | 146 m² | +49 m² +51% | 2022 |
|---|
| 106, Mackenzie Road540 m away | 76 m² | 125 m² | +49 m² +64% | 2016 |
|---|
| 100, Forster Road779 m away | 98 m² | 147 m² | +49 m² +50% | 2016 |
|---|
| 167, Ravenscroft Road280 m away | 97 m² | 145 m² | +48 m² +49% | 2026 |
|---|
| 5, Kenilworth Road747 m away | 98 m² | 146 m² | +48 m² +49% | 2022 |
|---|
| 34, Pelham Road155 m away | 104 m² | 152 m² | +48 m² +46% | 2021 |
|---|
| 17, Villiers Road391 m away | 101 m² | 148 m² | +47 m² +47% | 2024 |
|---|
| 217, Clock House Road694 m away | 82 m² | 129 m² | +47 m² +57% | 2022 |
|---|
| 34, Hampden Road907 m away | 94 m² | 141 m² | +47 m² +50% | 2021 |
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| 62, Tremaine Road553 m away | 138 m² | 185 m² | +47 m² +34% | 2019 |
|---|
| 31, Cromwell Road838 m away | 120 m² | 167 m² | +47 m² +39% | 2016 |
|---|
| 91, Blandford Road545 m away | 72 m² | 118 m² | +46 m² +64% | 2026 |
|---|
| 386, Blandford Road73 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
|---|
| 311, Blandford Road98 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
|---|
| 29, Chartham Road868 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 29, Wheathill Road778 m away | 152 m² | 197 m² | +45 m² +30% | 2016 |
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| 5, Dorset Road485 m away | 104 m² | 148 m² | +44 m² +42% | 2022 |
|---|
| 32, Hampden Road907 m away | 95 m² | 139 m² | +44 m² +46% | 2022 |
|---|
| 250, Blandford Road360 m away | 66 m² | 109 m² | +43 m² +65% | 2025 |
|---|
| 13, Gwydor Road671 m away | 114 m² | 157 m² | +43 m² +38% | 2023 |
|---|
| 29, Ash Grove273 m away | 85 m² | 128 m² | +43 m² +51% | 2022 |
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| 16, Waverley Road895 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
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| 155, Churchfields Road524 m away | 84 m² | 126 m² | +42 m² +50% | 2023 |
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| 116, Mackenzie Road326 m away | 104 m² | 146 m² | +42 m² +40% | 2022 |
|---|
| 33, Kenilworth Road747 m away | 91 m² | 133 m² | +42 m² +46% | 2020 |
|---|
| 65, Kendall Road762 m away | 82 m² | 123 m² | +41 m² +50% | 2026 |
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| 235, Birkbeck Road83 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
|---|
| 48, Chesham Road384 m away | 121 m² | 162 m² | +41 m² +34% | 2025 |
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| 45, Hambrook Road867 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
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| 61, Forster Road815 m away | 86 m² | 127 m² | +41 m² +48% | 2024 |
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| 30, Felmingham Road289 m away | 72 m² | 113 m² | +41 m² +57% | 2023 |
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| 3, Warwick Road610 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
|---|
| 42, Clock House Road982 m away | 139 m² | 180 m² | +41 m² +29% | 2020 |
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| 7, Forster Road837 m away | 121 m² | 161 m² | +40 m² +33% | 2026 |
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| 36, Pelham Road155 m away | 108 m² | 148 m² | +40 m² +37% | 2025 |
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| 182, Harrington Road874 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
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| 27, Brooklyn Road951 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
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| 25, Clement Road356 m away | 82 m² | 122 m² | +40 m² +49% | 2023 |
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| 53, Stembridge Road610 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
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| 84, Clock House Road834 m away | 123 m² | 162 m² | +39 m² +32% | 2026 |
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| 85, Ravenscroft Road646 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 26, Barnmead Road986 m away | 194 m² | 233 m² | +39 m² +20% | 2021 |
|---|
| 285, Beckenham Road791 m away | 59 m² | 97 m² | +38 m² +64% | 2026 |
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| 134, Blandford Road531 m away | 110 m² | 148 m² | +38 m² +35% | 2023 |
|---|
| 181, High Street960 m away | 32 m² | 70 m² | +38 m² +119% | 2019 |
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| 130, Mackenzie Road326 m away | 95 m² | 132 m² | +37 m² +39% | 2026 |
|---|
| 174, Beckenham Road834 m away | 178 m² | 215 m² | +37 m² +21% | 2026 |
|---|
| 301, Clock House Road836 m away | 67 m² | 104 m² | +37 m² +55% | 2026 |
|---|
| 2, Kendall Road742 m away | 125 m² | 162 m² | +37 m² +30% | 2024 |
|---|
| 15, Camille Close995 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
|---|
| 37, Kenilworth Road747 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 135, Harrington Road975 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
|---|
| 40, Barnmead Road986 m away | 164 m² | 200 m² | +36 m² +22% | 2023 |
|---|
| 76, Blandford Road736 m away | 86 m² | 122 m² | +36 m² +42% | 2021 |
|---|
| 6, Wimborne Way858 m away | 88 m² | 124 m² | +36 m² +41% | 2019 |
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| 49, Hampden Road941 m away | 93 m² | 129 m² | +36 m² +39% | 2019 |
|---|
| 1, Birkbeck Road696 m away | 45 m² | 81 m² | +36 m² +80% | 2018 |
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| 50, Allen Road218 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
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| 129, Croydon Road572 m away | 227 m² | 262 m² | +35 m² +15% | 2024 |
|---|
| 120, Elmers End Road180 m away | 106 m² | 141 m² | +35 m² +33% | 2022 |
|---|
| 73, Ravenscroft Road646 m away | 101 m² | 136 m² | +35 m² +35% | 2022 |
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| 4, Cambridge Road902 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
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| 7, Blandford Avenue703 m away | 84 m² | 119 m² | +35 m² +42% | 2017 |
|---|
| 2, Wimborne Way858 m away | 91 m² | 126 m² | +35 m² +38% | 2017 |
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| 277, Beckenham Road791 m away | 103 m² | 138 m² | +35 m² +34% | 2014 |
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| 16, Elmers End Road425 m away | 124 m² | 158 m² | +34 m² +27% | 2026 |
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| 132, Birkbeck Road261 m away | 117 m² | 151 m² | +34 m² +29% | 2024 |
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| 21, Warwick Road610 m away | 107 m² | 141 m² | +34 m² +32% | 2023 |
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| Inchbare, Maple Road770 m away | 34 m² | 68 m² | +34 m² +100% | 2023 |
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| 55, Brooklyn Road832 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
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| 18, Hampden Avenue980 m away | 100 m² | 134 m² | +34 m² +34% | 2020 |
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| 172, Birkbeck Road261 m away | 84 m² | 118 m² | +34 m² +40% | 2019 |
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| 119, Mackenzie Road335 m away | 110 m² | 144 m² | +34 m² +31% | 2018 |
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| 13, Stodart Road686 m away | 131 m² | 165 m² | +34 m² +26% | 2017 |
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| 17, Padua Road760 m away | 61 m² | 95 m² | +34 m² +56% | 2016 |
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| 16, Padua Road760 m away | 119 m² | 152 m² | +33 m² +28% | 2026 |
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| 116, Blandford Road531 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
|---|
| 36, Camille Close995 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
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| 78, Cambridge Road902 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
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| 143, Harrington Road975 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
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| 38, Birkbeck Road695 m away | 99 m² | 131 m² | +32 m² +32% | 2026 |
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| 41, Waverley Road892 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
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| 28, Bourdon Road387 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
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| 64, Cambridge Road902 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
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| 29, Pelham Road133 m away | 102 m² | 134 m² | +32 m² +31% | 2022 |
|---|
| 28, Oak Grove Road433 m away | 80 m² | 112 m² | +32 m² +40% | 2021 |
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| 186, Clock House Road729 m away | 84 m² | 116 m² | +32 m² +38% | 2019 |
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| 5, Piquet Road214 m away | 118 m² | 150 m² | +32 m² +27% | 2018 |
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| 16, Blandford Road736 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
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| 30, Stembridge Road635 m away | 85 m² | 117 m² | +32 m² +38% | 2013 |
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| 62, Barnmead Road986 m away | 120 m² | 151 m² | +31 m² +26% | 2026 |
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| 50a, Croydon Road782 m away | 69 m² | 100 m² | +31 m² +45% | 2021 |
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| 275, Clock House Road836 m away | 84 m² | 115 m² | +31 m² +37% | 2020 |
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| 51, Chartham Road868 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
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| 72a, Samos Road431 m away | 79 m² | 110 m² | +31 m² +39% | 2019 |
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| 40, Stodart Road686 m away | 103 m² | 134 m² | +31 m² +30% | 2019 |
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| 1, Wadhurst Close874 m away | 56 m² | 87 m² | +31 m² +55% | 2016 |
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| 20, Warwick Road596 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
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| 22, Hampden Avenue980 m away | 103 m² | 133 m² | +30 m² +29% | 2026 |
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| 46, Blandford Road736 m away | 98 m² | 128 m² | +30 m² +31% | 2025 |
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| 94, Forster Road779 m away | 133 m² | 163 m² | +30 m² +23% | 2024 |
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| 41, Arrol Road141 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
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| 12, Cromer Road892 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
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| 150, Beckenham Road834 m away | 178 m² | 207 m² | +29 m² +16% | 2021 |
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| 170, Birkbeck Road261 m away | 86 m² | 115 m² | +29 m² +34% | 2020 |
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| 65, Cambridge Road869 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
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| 49, Clevedon Road738 m away | 107 m² | 136 m² | +29 m² +27% | 2018 |
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| 50, Stembridge Road635 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
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| 109, Elmers End Road132 m away | 51 m² | 79 m² | +28 m² +55% | 2023 |
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| 265a, Beckenham Road791 m away | 74 m² | 102 m² | +28 m² +38% | 2021 |
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| 27, Hampden Road941 m away | 93 m² | 121 m² | +28 m² +30% | 2019 |
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| 123, Ravenscroft Road280 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
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| 4a, Tremaine Road553 m away | 53 m² | 80 m² | +27 m² +51% | 2023 |
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| 26, Churchfields Road824 m away | 86 m² | 113 m² | +27 m² +31% | 2022 |
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| 50, Barnmead Road986 m away | 150 m² | 177 m² | +27 m² +18% | 2021 |
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| 105, Avenue Road454 m away | 71 m² | 98 m² | +27 m² +38% | 2020 |
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| 87, Clock House Road808 m away | 124 m² | 151 m² | +27 m² +22% | 2019 |
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| 76, Ravenscroft Road639 m away | 114 m² | 141 m² | +27 m² +24% | 2017 |
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| 94, Ravenscroft Road639 m away | 113 m² | 140 m² | +27 m² +24% | 2017 |
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| 166, Birkbeck Road261 m away | 87 m² | 113 m² | +26 m² +30% | 2020 |
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| 24, Chartham Road900 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 193, Birkbeck Road195 m away | 94 m² | 119 m² | +25 m² +27% | 2026 |
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| 31, Chartham Road868 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
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| 14, Villiers Road391 m away | 73 m² | 98 m² | +25 m² +34% | 2024 |
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| 4, Hampden Road907 m away | 131 m² | 156 m² | +25 m² +19% | 2023 |
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| 124, Blandford Road531 m away | 74 m² | 99 m² | +25 m² +34% | 2020 |
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| 29, Chesham Road384 m away | 55 m² | 80 m² | +25 m² +45% | 2019 |
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| 76, Mackenzie Road540 m away | 86 m² | 110 m² | +24 m² +28% | 2025 |
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| 40, Kenilworth Road747 m away | 126 m² | 150 m² | +24 m² +19% | 2024 |
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| 1, Seymour Terrace990 m away | 138 m² | 162 m² | +24 m² +17% | 2024 |
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| 59, Cromwell Road838 m away | 82 m² | 106 m² | +24 m² +29% | 2023 |
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| Flat 4, 180, Birkbeck Road261 m away | 49 m² | 73 m² | +24 m² +49% | 2022 |
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| 30, Birkbeck Road695 m away | 89 m² | 113 m² | +24 m² +27% | 2022 |
|---|
| 114, Marlow Road539 m away | 99 m² | 123 m² | +24 m² +24% | 2020 |
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| 15, Wimborne Way858 m away | 54 m² | 78 m² | +24 m² +44% | 2019 |
|---|
| 18, Piquet Road246 m away | 106 m² | 130 m² | +24 m² +23% | 2018 |
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| Flat 5, 26, Chestnut Grove980 m away | 45 m² | 69 m² | +24 m² +53% | 2017 |
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| 66, Cambridge Road902 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
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| 27, Ash Grove273 m away | 101 m² | 124 m² | +23 m² +23% | 2022 |
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| 12, Villiers Road391 m away | 74 m² | 97 m² | +23 m² +31% | 2022 |
|---|
| 76, Birkbeck Road544 m away | 92 m² | 115 m² | +23 m² +25% | 2022 |
|---|
| Flat 10, Golden Mews, 15, Howard Road825 m away | 71 m² | 94 m² | +23 m² +32% | 2018 |
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| 8, Lincoln Road967 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| 20a, Ash Grove273 m away | 48 m² | 70 m² | +22 m² +46% | 2023 |
|---|
| 4, Mackenzie Road710 m away | 103 m² | 125 m² | +22 m² +21% | 2023 |
|---|
| 35, Sheringham Road424 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
|---|
| 20, Kimberley Road477 m away | 64 m² | 86 m² | +22 m² +34% | 2021 |
|---|
| 30, Blandford Avenue703 m away | 74 m² | 96 m² | +22 m² +30% | 2021 |
|---|
| 7a, Howard Road825 m away | 85 m² | 107 m² | +22 m² +26% | 2020 |
|---|
| 24a, Jasmine Grove964 m away | 31 m² | 53 m² | +22 m² +71% | 2020 |
|---|
| Flat 6b, Ellesmere Court, Seymour Villas969 m away | 70 m² | 92 m² | +22 m² +31% | 2017 |
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| 20, Forster Road806 m away | 126 m² | 148 m² | +22 m² +17% | 2015 |
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| Flat 26, Roberts Court, Maple Road796 m away | 39 m² | 61 m² | +22 m² +56% | 2014 |
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| Flat 15, Penceat Court, 17, Bourdon Road351 m away | 29 m² | 51 m² | +22 m² +76% | 2013 |
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| 24, Wimborne Way858 m away | 71 m² | 93 m² | +22 m² +31% | 2013 |
|---|
| Flat 46, Wheathill House, Croydon Road846 m away | 66 m² | 88 m² | +22 m² +33% | 2012 |
|---|
| 34, Villiers Road391 m away | 87 m² | 108 m² | +21 m² +24% | 2024 |
|---|
| 7a, Kendall Road762 m away | 57 m² | 78 m² | +21 m² +37% | 2024 |
|---|
| 152, Ravenscroft Road302 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
|---|
| 26, Felmingham Road289 m away | 75 m² | 96 m² | +21 m² +28% | 2021 |
|---|
| 25, Seward Road438 m away | 96 m² | 117 m² | +21 m² +22% | 2021 |
|---|
| 38, Camille Close995 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
|---|
| 45b, Royston Road642 m away | 67 m² | 88 m² | +21 m² +31% | 2020 |
|---|
| 133, Elmers End Road132 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
|---|
| Flat 7, Woodbury Court, 199, Mackenzie Road149 m away | 31 m² | 52 m² | +21 m² +68% | 2018 |
|---|
| 30, Piquet Road246 m away | 83 m² | 104 m² | +21 m² +25% | 2018 |
|---|
| Flat 49, Deverill Court, Avenue Road578 m away | 59 m² | 79 m² | +20 m² +34% | 2026 |
|---|
| 243, Ravenscroft Road167 m away | 63 m² | 83 m² | +20 m² +32% | 2022 |
|---|
| 100, Blandford Road531 m away | 84 m² | 104 m² | +20 m² +24% | 2022 |
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