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 SE25 4DZ
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 |
|---|---|---|---|---|
| 11, Court Road319 m away | 100 m² | 196 m² | +96 m² +96% | 2022 |
| 85, Norhyrst Avenue502 m away | 93 m² | 176 m² | +83 m² +89% | 2022 |
| 33, Sheringham Road919 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
| 12, Ross Road805 m away | 88 m² | 159 m² | +71 m² +81% | 2019 |
| 115, Croydon Road843 m away | 261 m² | 329 m² | +68 m² +26% | 2017 |
| 22, Pittville Gardens186 m away | 123 m² | 189 m² | +66 m² +54% | 2024 |
| 29, Manor Road563 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
| 15, Warwick Road811 m away | 114 m² | 179 m² | +65 m² +57% | 2021 |
| 19, Lincoln Road661 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.
| 56 m² |
| 118 m² |
| +62 m² +111% |
| 2023 |
| 49, Auckland Road566 m away | 136 m² | 197 m² | +61 m² +45% | 2026 |
|---|
| 8, St Dunstans Road734 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
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| 37, Woodvale Avenue466 m away | 96 m² | 154 m² | +58 m² +60% | 2011 |
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| 171, Harrington Road976 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
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| 29, Howden Road528 m away | 124 m² | 180 m² | +56 m² +45% | 2009 |
|---|
| 23, Norhyrst Avenue502 m away | 96 m² | 149 m² | +53 m² +55% | 2020 |
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| 25, Addison Road874 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
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| 120, Sylvan Road707 m away | 73 m² | 121 m² | +48 m² +66% | 2023 |
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| 13, Auckland Road386 m away | 105 m² | 152 m² | +47 m² +45% | 2021 |
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| 62, Tremaine Road741 m away | 138 m² | 185 m² | +47 m² +34% | 2019 |
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| 38, Auckland Road553 m away | 162 m² | 207 m² | +45 m² +28% | 2026 |
|---|
| 29, Chartham Road741 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 29, Wheathill Road566 m away | 152 m² | 197 m² | +45 m² +30% | 2016 |
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| 38, Howden Road528 m away | 111 m² | 155 m² | +44 m² +40% | 2025 |
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| 163, South Norwood Hill780 m away | 109 m² | 152 m² | +43 m² +39% | 2023 |
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| 25, Nugent Road686 m away | 74 m² | 117 m² | +43 m² +58% | 2022 |
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| 16, Waverley Road889 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
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| 35, Howden Road528 m away | 122 m² | 164 m² | +42 m² +34% | 2026 |
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| 57, Manor Road563 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
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| 45, Hambrook Road712 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
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| 3, Warwick Road811 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
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| 116, Sylvan Road707 m away | 34 m² | 74 m² | +40 m² +118% | 2025 |
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| 27, Brooklyn Road910 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| 53, Stembridge Road680 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
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| Ground Floor Shop, 125, Anerley Road883 m away | 42 m² | 82 m² | +40 m² +95% | 2010 |
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| 31, Doyle Road856 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 11a, Balfour Road996 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
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| 9, Woodvale Avenue466 m away | 111 m² | 149 m² | +38 m² +34% | 2026 |
|---|
| 15, Camille Close491 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
|---|
| 65, Falkland Park Avenue887 m away | 93 m² | 130 m² | +37 m² +40% | 2023 |
|---|
| 28, Holmewood Road950 m away | 101 m² | 138 m² | +37 m² +37% | 2020 |
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| Flat 19, Brooklyn, Anerley Road977 m away | 46 m² | 83 m² | +37 m² +80% | 2014 |
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| 135, Harrington Road976 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
|---|
| 62, Ross Road964 m away | 114 m² | 150 m² | +36 m² +32% | 2017 |
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| 17, John Street791 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
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| 249, Holmesdale Road998 m away | 148 m² | 183 m² | +35 m² +24% | 2025 |
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| 129, Croydon Road843 m away | 227 m² | 262 m² | +35 m² +15% | 2024 |
|---|
| 4, Cambridge Road490 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
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| Flat 3, 22, Oliver Grove785 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
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| 16, Elmers End Road983 m away | 124 m² | 158 m² | +34 m² +27% | 2026 |
|---|
| 21, Warwick Road811 m away | 107 m² | 141 m² | +34 m² +32% | 2023 |
|---|
| Inchbare, Maple Road933 m away | 34 m² | 68 m² | +34 m² +100% | 2023 |
|---|
| 55, Brooklyn Road923 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
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| 34, Whitworth Road830 m away | 181 m² | 215 m² | +34 m² +19% | 2014 |
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| 4, Sunset Gardens618 m away | 111 m² | 144 m² | +33 m² +30% | 2023 |
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| 51, Harrington Road970 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 36, Camille Close491 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
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| 23, High View Close592 m away | 144 m² | 177 m² | +33 m² +23% | 2020 |
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| 78, Cambridge Road490 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
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| 27, High View Close592 m away | 127 m² | 160 m² | +33 m² +26% | 2017 |
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| 143, Harrington Road976 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
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| Flat 3, 13, South Norwood Hill623 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
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| 41, Waverley Road861 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
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| 6, Pembury Road914 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
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| 64, Cambridge Road490 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
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| 28, Bourdon Road915 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
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| 31, Oliver Grove785 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
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| 30, Stembridge Road660 m away | 85 m² | 117 m² | +32 m² +38% | 2013 |
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| 310, Whitehorse Lane720 m away | 120 m² | 151 m² | +31 m² +26% | 2025 |
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| 12, Canham Road947 m away | 93 m² | 124 m² | +31 m² +33% | 2025 |
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| 14, Falkland Park Avenue907 m away | 91 m² | 122 m² | +31 m² +34% | 2024 |
|---|
| 51, Chartham Road741 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
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| 63a, Whitworth Road825 m away | 71 m² | 102 m² | +31 m² +44% | 2019 |
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| 72a, Samos Road859 m away | 79 m² | 110 m² | +31 m² +39% | 2019 |
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| 1, Wadhurst Close460 m away | 56 m² | 87 m² | +31 m² +55% | 2016 |
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| 35, Holmewood Road922 m away | 99 m² | 130 m² | +31 m² +31% | 2016 |
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| 4, Silvermere Row118 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
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| 20, Warwick Road854 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
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| 9d, Warminster Road106 m away | 59 m² | 90 m² | +31 m² +53% | 2009 |
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| 105, Seymour Villas665 m away | 62 m² | 92 m² | +30 m² +48% | 2026 |
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| 34, Elm Park Road638 m away | 107 m² | 137 m² | +30 m² +28% | 2024 |
|---|
| 39, Falkland Park Avenue887 m away | 96 m² | 126 m² | +30 m² +31% | 2024 |
|---|
| Flat 25, Brooklyn, Anerley Road977 m away | 40 m² | 70 m² | +30 m² +75% | 2013 |
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| 294, Whitehorse Lane720 m away | 104 m² | 133 m² | +29 m² +28% | 2024 |
|---|
| 12, Cromer Road640 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
|---|
| 20, Ross Road805 m away | 64 m² | 93 m² | +29 m² +45% | 2022 |
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| 65, Cambridge Road505 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
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| 21, Woodvale Avenue466 m away | 137 m² | 165 m² | +28 m² +20% | 2026 |
|---|
| 50, Stembridge Road660 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
|---|
| 2, Sangley Court, Sangley Road899 m away | 72 m² | 100 m² | +28 m² +39% | 2017 |
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| 18, Eldon Park762 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
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| Flat 2, Tomlins Court, South Norwood Hill591 m away | 67 m² | 95 m² | +28 m² +42% | 2011 |
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| 4a, Tremaine Road741 m away | 53 m² | 80 m² | +27 m² +51% | 2023 |
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| Flat D, 108, Auckland Road821 m away | 60 m² | 86 m² | +26 m² +43% | 2022 |
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| Flat 17, Abbots Court, Claret Gardens997 m away | 40 m² | 66 m² | +26 m² +65% | 2022 |
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| 56, Selby Road261 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
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| 29, Woodvale Avenue466 m away | 127 m² | 153 m² | +26 m² +20% | 2020 |
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| Flat 1, 55, South Norwood Hill577 m away | 67 m² | 93 m² | +26 m² +39% | 2019 |
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| 36, Sylvan Road707 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 24, Chartham Road763 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 31, Chartham Road741 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
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| Flat 2, 1, Burgoyne Road983 m away | 17 m² | 42 m² | +25 m² +147% | 2024 |
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| 253, Holmesdale Road998 m away | 52 m² | 77 m² | +25 m² +48% | 2024 |
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| Flat 5, 110, Auckland Road821 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 54, Warminster Road0 m away | 106 m² | 131 m² | +25 m² +24% | 2015 |
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| 26, Station Road899 m away | 35 m² | 60 m² | +25 m² +71% | 2010 |
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| 1, Seymour Terrace571 m away | 138 m² | 162 m² | +24 m² +17% | 2024 |
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| Flat 1, 45, Lincoln Road661 m away | 28 m² | 52 m² | +24 m² +86% | 2024 |
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| 9, Huntly Road947 m away | 95 m² | 119 m² | +24 m² +25% | 2024 |
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| Flat 1, 68, Belvedere Road976 m away | 89 m² | 113 m² | +24 m² +27% | 2023 |
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| 87d, Albert Road766 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 114, Marlow Road772 m away | 99 m² | 123 m² | +24 m² +24% | 2020 |
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| 86, South Norwood Hill535 m away | 49 m² | 73 m² | +24 m² +49% | 2017 |
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| Flat 3, Ridgway Court, 22, Lancaster Road223 m away | 38 m² | 62 m² | +24 m² +63% | 2016 |
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| 66, Cambridge Road490 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
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| 33, Lancaster Road370 m away | 55 m² | 79 m² | +24 m² +44% | 2009 |
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| 11c, Oliver Avenue769 m away | 22 m² | 45 m² | +23 m² +105% | 2026 |
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| 45, Lancaster Road277 m away | 132 m² | 155 m² | +23 m² +17% | 2025 |
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| 71, Dixon Road769 m away | 98 m² | 121 m² | +23 m² +23% | 2025 |
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| 30, Seymour Villas674 m away | 74 m² | 97 m² | +23 m² +31% | 2024 |
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| 14, Clifford Road859 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 7c, Eldon Park762 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 8, Lincoln Road653 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| Flat 5, Applewood House, 17, Whitworth Road875 m away | 39 m² | 62 m² | +23 m² +59% | 2016 |
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| 65, William Booth Road813 m away | 40 m² | 63 m² | +23 m² +57% | 2014 |
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| 41, William Booth Road813 m away | 40 m² | 63 m² | +23 m² +57% | 2014 |
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| Flat 29, Carlton Court, Auckland Road917 m away | 47 m² | 70 m² | +23 m² +49% | 2014 |
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| Flat 22, Brooklyn, Anerley Road977 m away | 66 m² | 89 m² | +23 m² +35% | 2012 |
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| 156, South Norwood Hill593 m away | 31 m² | 53 m² | +22 m² +71% | 2024 |
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| 8c, Eldon Park762 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 35, Sheringham Road919 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
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| Flat 6b, Ellesmere Court, Seymour Villas504 m away | 70 m² | 92 m² | +22 m² +31% | 2017 |
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| 53, Auckland Road566 m away | 106 m² | 128 m² | +22 m² +21% | 2016 |
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| 57c, South Norwood Hill607 m away | 34 m² | 56 m² | +22 m² +65% | 2015 |
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| Flat 1, 50, Whitworth Road825 m away | 43 m² | 65 m² | +22 m² +51% | 2014 |
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| 7, Cypress Road775 m away | 57 m² | 79 m² | +22 m² +39% | 2013 |
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| Flat 15, Penceat Court, 17, Bourdon Road955 m away | 29 m² | 51 m² | +22 m² +76% | 2013 |
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| Flat 46, Wheathill House, Croydon Road444 m away | 66 m² | 88 m² | +22 m² +33% | 2012 |
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| 51, Selby Road261 m away | 99 m² | 120 m² | +21 m² +21% | 2023 |
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| 17, Grange Gardens995 m away | 113 m² | 134 m² | +21 m² +19% | 2023 |
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| 38, Camille Close491 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
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| 46, Cypress Road688 m away | 92 m² | 113 m² | +21 m² +23% | 2021 |
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| Flat 2, Brooklyn, Anerley Road977 m away | 49 m² | 70 m² | +21 m² +43% | 2014 |
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| Flat 1, 249, Whitehorse Lane944 m away | 40 m² | 61 m² | +21 m² +53% | 2012 |
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| Flat 10, Isis House, 5, Worcester Close845 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
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| Flat 20, Isis House, 5, Worcester Close845 m away | 64 m² | 84 m² | +20 m² +31% | 2023 |
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| 18, Cresswell Road909 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
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| 68, Sylvan Road707 m away | 73 m² | 93 m² | +20 m² +27% | 2013 |
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| 26, Lonsdale Road807 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
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| 39, Cambridge Road505 m away | 93 m² | 113 m² | +20 m² +22% | 2012 |
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| Flat 4, 10, Whitworth Road875 m away | 43 m² | 62 m² | +19 m² +44% | 2026 |
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| 6a, Holmesdale Close674 m away | 39 m² | 58 m² | +19 m² +49% | 2025 |
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| 22, Cranleigh Gardens750 m away | 42 m² | 61 m² | +19 m² +45% | 2025 |
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| 192a, Anerley Road776 m away | 40 m² | 59 m² | +19 m² +48% | 2025 |
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| 18, Adair Close573 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
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| 22, Lonsdale Road807 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
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| 10, Canham Road947 m away | 80 m² | 99 m² | +19 m² +24% | 2019 |
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| 57, Penge Road309 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
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| 23, Ridsdale Road973 m away | 45 m² | 64 m² | +19 m² +42% | 2015 |
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| 5, Cranleigh Close580 m away | 38 m² | 57 m² | +19 m² +50% | 2014 |
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| Flat 6, Drake Court, Warminster Road168 m away | 48 m² | 67 m² | +19 m² +40% | 2012 |
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| Flat 7, Alder Court, 30, Portland Road787 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
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| Flat 1, 28, South Norwood Hill563 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 9, Owen Walk916 m away | 56 m² | 74 m² | +18 m² +32% | 2024 |
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| 76a, High Street709 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
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| Flat 7, 70, Auckland Road678 m away | 32 m² | 50 m² | +18 m² +56% | 2022 |
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| Flat 11, 175, Anerley Road822 m away | 42 m² | 60 m² | +18 m² +43% | 2020 |
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| 101, Tovil Close391 m away | 82 m² | 100 m² | +18 m² +22% | 2019 |
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| 14, Lawrence Road984 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
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| 56, South Norwood Hill530 m away | 105 m² | 123 m² | +18 m² +17% | 2015 |
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| 12, Sheldon Close964 m away | 43 m² | 61 m² | +18 m² +42% | 2015 |
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| Flat 12, Ellesmere Court, Seymour Villas504 m away | 69 m² | 87 m² | +18 m² +26% | 2012 |
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| 46, Wharncliffe Gardens946 m away | 99 m² | 117 m² | +18 m² +18% | 2012 |
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| 185a, Anerley Road869 m away | 70 m² | 88 m² | +18 m² +26% | 2011 |
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| Flat 2, Warwick House, 25, South Norwood Hill590 m away | 20 m² | 38 m² | +18 m² +90% | 2010 |
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| Flat 2, 23, Sangley Road935 m away | 60 m² | 77 m² | +17 m² +28% | 2026 |
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| Flat 1, 141, Auckland Road963 m away | 70 m² | 87 m² | +17 m² +24% | 2026 |
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| 89, Lancaster Road277 m away | 93 m² | 110 m² | +17 m² +18% | 2025 |
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| 25, Broster Gardens657 m away | 53 m² | 70 m² | +17 m² +32% | 2025 |
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| 31, Clifford Road859 m away | 65 m² | 82 m² | +17 m² +26% | 2024 |
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| 4, Shirley Row138 m away | 99 m² | 116 m² | +17 m² +17% | 2023 |
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| 2, Pittville Gardens186 m away | 92 m² | 109 m² | +17 m² +18% | 2022 |
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| Flat C, 7, Chalfont Road461 m away | 32 m² | 49 m² | +17 m² +53% | 2022 |
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| 12, Falkland Park Avenue907 m away | 70 m² | 87 m² | +17 m² +24% | 2022 |
|---|
| 37, Oliver Avenue769 m away | 93 m² | 110 m² | +17 m² +18% | 2021 |
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| Flat 3, 32, Cuthbert Gardens838 m away | 41 m² | 58 m² | +17 m² +41% | 2021 |
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| Flat B, 265, Holmesdale Road998 m away | 25 m² | 42 m² | +17 m² +68% | 2021 |
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| Flat 4, 279, Holmesdale Road998 m away | 30 m² | 47 m² | +17 m² +57% | 2019 |
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| 56, Cambridge Road490 m away | 90 m² | 107 m² | +17 m² +19% | 2018 |
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| 12, Maberley Road667 m away | 57 m² | 74 m² | +17 m² +30% | 2018 |
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| 30a, High Street581 m away | 74 m² | 91 m² | +17 m² +23% | 2016 |
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| Flat 1, Applewood House, 17, Whitworth Road875 m away | 43 m² | 60 m² | +17 m² +40% | 2016 |
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| 47a, Marlow Road885 m away | 72 m² | 89 m² | +17 m² +24% | 2015 |
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| Flat 2, 278, Holmesdale Road960 m away | 45 m² | 62 m² | +17 m² +38% | 2015 |
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| Flat 2, Park Lodge, 80 - 82, Auckland Road746 m away | 47 m² | 64 m² | +17 m² +36% | 2014 |
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| Flat 7, Park Lodge, 80 - 82, Auckland Road746 m away | 53 m² | 70 m² | +17 m² +32% | 2014 |
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| Flat 1, Eldon Court, Eldon Park801 m away | 57 m² | 74 m² | +17 m² +30% | 2014 |
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| Flat 43, Brooklyn, Anerley Road977 m away | 53 m² | 70 m² | +17 m² +32% | 2013 |
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| Flat 1, 30a, Station Road899 m away | 38 m² | 55 m² | +17 m² +45% | 2011 |
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| 111a, South Norwood Hill690 m away | 73 m² | 90 m² | +17 m² +23% | 2010 |
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| 9a, Chalfont Road461 m away | 41 m² | 57 m² | +16 m² +39% | 2025 |
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