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 SE25 6QY
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 |
|---|---|---|---|---|
| 48, Dagnall Park801 m away | 111 m² | 208 m² | +97 m² +87% | 2022 |
| 11, Court Road645 m away | 100 m² | 196 m² | +96 m² +96% | 2022 |
| 243, Ross Road617 m away | 102 m² | 187 m² | +85 m² +83% | 2014 |
| 85, Norhyrst Avenue469 m away | 93 m² | 176 m² | +83 m² +89% | 2022 |
| 7, Natal Road915 m away | 104 m² | 184 m² | +80 m² +77% | 2026 |
| 15, Tennison Road658 m away | 121 m² | 201 m² | +80 m² +66% | 2021 |
| 112, Grange Park Road771 m away | 95 m² | 171 m² | +76 m² +80% | 2020 |
| 71, Crowther Road958 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 1a, Hythe Road905 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.
| 150 m² |
| +73 m² +95% |
| 2022 |
| 15, Prince Road547 m away | 164 m² | 235 m² | +71 m² +43% | 2023 |
|---|
| 12, Ross Road594 m away | 88 m² | 159 m² | +71 m² +81% | 2019 |
|---|
| 73, Whitehorse Lane434 m away | 70 m² | 139 m² | +69 m² +99% | 2025 |
|---|
| 22, Pittville Gardens895 m away | 123 m² | 189 m² | +66 m² +54% | 2024 |
|---|
| 29, Manor Road810 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
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| 28, Annsworthy Crescent860 m away | 87 m² | 152 m² | +65 m² +75% | 2025 |
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| 2, Dunkeld Road649 m away | 89 m² | 151 m² | +62 m² +70% | 2025 |
|---|
| 8, St Dunstans Road416 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
|---|
| 49, Auckland Road845 m away | 136 m² | 197 m² | +61 m² +45% | 2026 |
|---|
| 14, Saxon Road964 m away | 92 m² | 153 m² | +61 m² +66% | 2020 |
|---|
| 145, Whitehorse Lane255 m away | 85 m² | 143 m² | +58 m² +68% | 2021 |
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| 37, Woodvale Avenue604 m away | 96 m² | 154 m² | +58 m² +60% | 2011 |
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| 13, Birchanger Road899 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
|---|
| 139, Ross Road472 m away | 97 m² | 153 m² | +56 m² +58% | 2014 |
|---|
| 29, Howden Road671 m away | 124 m² | 180 m² | +56 m² +45% | 2009 |
|---|
| 242, Mersham Road917 m away | 49 m² | 102 m² | +53 m² +108% | 2022 |
|---|
| 29, Gillett Road933 m away | 42 m² | 95 m² | +53 m² +126% | 2022 |
|---|
| 23, Norhyrst Avenue469 m away | 96 m² | 149 m² | +53 m² +55% | 2020 |
|---|
| 35, Carmichael Road752 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 46, Tennison Road635 m away | 62 m² | 113 m² | +51 m² +82% | 2022 |
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| 25, Addison Road937 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
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| 16, Upper Grove217 m away | 40 m² | 90 m² | +50 m² +125% | 2010 |
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| 226, Whitehorse Lane155 m away | 92 m² | 141 m² | +49 m² +53% | 2024 |
|---|
| 35, Buller Road826 m away | 78 m² | 125 m² | +47 m² +60% | 2022 |
|---|
| 13, Auckland Road725 m away | 105 m² | 152 m² | +47 m² +45% | 2021 |
|---|
| 38, Auckland Road897 m away | 162 m² | 207 m² | +45 m² +28% | 2026 |
|---|
| 38, Howden Road671 m away | 111 m² | 155 m² | +44 m² +40% | 2025 |
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| 27, Carmichael Road752 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 654, Davidson Road998 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
|---|
| 163, South Norwood Hill674 m away | 109 m² | 152 m² | +43 m² +39% | 2023 |
|---|
| 25, Nugent Road324 m away | 74 m² | 117 m² | +43 m² +58% | 2022 |
|---|
| 155, Tennison Road964 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
|---|
| 5b, Farnley Road619 m away | 61 m² | 103 m² | +42 m² +69% | 2026 |
|---|
| 35, Howden Road671 m away | 122 m² | 164 m² | +42 m² +34% | 2026 |
|---|
| 34, Bungalow Road310 m away | 81 m² | 123 m² | +42 m² +52% | 2022 |
|---|
| 57, Manor Road810 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 54, Dagnall Park801 m away | 118 m² | 159 m² | +41 m² +35% | 2024 |
|---|
| 9, St Marys Road273 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
|---|
| Flat 1, 5, Cargreen Road587 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 16, Hurlstone Road728 m away | 96 m² | 136 m² | +40 m² +42% | 2022 |
|---|
| 24, Kitchener Road886 m away | 106 m² | 145 m² | +39 m² +37% | 2024 |
|---|
| 13, Hobart Gardens934 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
|---|
| 192, Whitehorse Lane155 m away | 90 m² | 129 m² | +39 m² +43% | 2020 |
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| 40, Ladbrook Road522 m away | 86 m² | 125 m² | +39 m² +45% | 2020 |
|---|
| 31, Doyle Road744 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 97, Dagnall Park801 m away | 108 m² | 147 m² | +39 m² +36% | 2018 |
|---|
| 11a, Balfour Road911 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
|---|
| 9, Woodvale Avenue604 m away | 111 m² | 149 m² | +38 m² +34% | 2026 |
|---|
| 23, Percy Road880 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
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| 13, Parry Road354 m away | 70 m² | 107 m² | +37 m² +53% | 2026 |
|---|
| 65, Falkland Park Avenue586 m away | 93 m² | 130 m² | +37 m² +40% | 2023 |
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| 28, Holmewood Road93 m away | 101 m² | 138 m² | +37 m² +37% | 2020 |
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| 14, Cargreen Road556 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
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| 119, Grange Road708 m away | 77 m² | 114 m² | +37 m² +48% | 2018 |
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| 31, Canham Road411 m away | 118 m² | 155 m² | +37 m² +31% | 2017 |
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| 15, Hythe Road905 m away | 38 m² | 75 m² | +37 m² +97% | 2017 |
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| 244, Mersham Road917 m away | 33 m² | 70 m² | +37 m² +112% | 2016 |
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| 50, Wharncliffe Road754 m away | 101 m² | 137 m² | +36 m² +36% | 2025 |
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| 95, Grange Park Road788 m away | 93 m² | 129 m² | +36 m² +39% | 2025 |
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| 14, Elm Road968 m away | 88 m² | 124 m² | +36 m² +41% | 2024 |
|---|
| 62, Ross Road520 m away | 114 m² | 150 m² | +36 m² +32% | 2017 |
|---|
| 17, John Street895 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
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| 249, Holmesdale Road132 m away | 148 m² | 183 m² | +35 m² +24% | 2025 |
|---|
| 14, Rothesay Road517 m away | 64 m² | 99 m² | +35 m² +55% | 2019 |
|---|
| Flat 3, 22, Oliver Grove348 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
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| 85, Woodville Road804 m away | 79 m² | 113 m² | +34 m² +43% | 2023 |
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| 34, Whitworth Road123 m away | 181 m² | 215 m² | +34 m² +19% | 2014 |
|---|
| 4, Sunset Gardens810 m away | 111 m² | 144 m² | +33 m² +30% | 2023 |
|---|
| 5, Homewood Gardens666 m away | 55 m² | 88 m² | +33 m² +60% | 2020 |
|---|
| 23, High View Close748 m away | 144 m² | 177 m² | +33 m² +23% | 2020 |
|---|
| 21, Gilsland Road822 m away | 61 m² | 94 m² | +33 m² +54% | 2018 |
|---|
| 27, High View Close748 m away | 127 m² | 160 m² | +33 m² +26% | 2017 |
|---|
| Flat 3, 13, South Norwood Hill457 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
|---|
| 6, Pembury Road965 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
|---|
| 66, Dagnall Park801 m away | 116 m² | 148 m² | +32 m² +28% | 2025 |
|---|
| 14, St Marys Road273 m away | 61 m² | 93 m² | +32 m² +52% | 2023 |
|---|
| Flat 3, 18, Upper Grove217 m away | 56 m² | 88 m² | +32 m² +57% | 2021 |
|---|
| 31, Oliver Grove348 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
|---|
| 26, Whitehorse Lane635 m away | 96 m² | 128 m² | +32 m² +33% | 2019 |
|---|
| 58a, Crowther Road854 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
|---|
| 31, Shinners Close974 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 12, Canham Road271 m away | 93 m² | 124 m² | +31 m² +33% | 2025 |
|---|
| 310, Whitehorse Lane376 m away | 120 m² | 151 m² | +31 m² +26% | 2025 |
|---|
| 34, Michael Road431 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
|---|
| 14, Falkland Park Avenue620 m away | 91 m² | 122 m² | +31 m² +34% | 2024 |
|---|
| 4, Annsworthy Avenue726 m away | 82 m² | 113 m² | +31 m² +38% | 2024 |
|---|
| 63a, Whitworth Road132 m away | 71 m² | 102 m² | +31 m² +44% | 2019 |
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| 35, Holmewood Road103 m away | 99 m² | 130 m² | +31 m² +31% | 2016 |
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| 50, Hunter Road821 m away | 44 m² | 75 m² | +31 m² +70% | 2015 |
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| 4, Silvermere Row896 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
|---|
| 29, Grangecliffe Gardens891 m away | 110 m² | 140 m² | +30 m² +27% | 2026 |
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| 239, Ross Road617 m away | 109 m² | 139 m² | +30 m² +28% | 2025 |
|---|
| 45, Farnley Road626 m away | 75 m² | 105 m² | +30 m² +40% | 2025 |
|---|
| 34, Elm Park Road312 m away | 107 m² | 137 m² | +30 m² +28% | 2024 |
|---|
| 39, Falkland Park Avenue586 m away | 96 m² | 126 m² | +30 m² +31% | 2024 |
|---|
| 23, Michael Road399 m away | 82 m² | 112 m² | +30 m² +37% | 2023 |
|---|
| 49, Zion Road813 m away | 60 m² | 90 m² | +30 m² +50% | 2015 |
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| 43, Hamilton Road954 m away | 96 m² | 126 m² | +30 m² +31% | 2015 |
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| 83, Woodville Road804 m away | 80 m² | 110 m² | +30 m² +38% | 2013 |
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| 27, Station Road556 m away | 44 m² | 74 m² | +30 m² +68% | 2012 |
|---|
| Flat 2, 131, Holmesdale Road498 m away | 53 m² | 83 m² | +30 m² +57% | 2010 |
|---|
| 294, Whitehorse Lane376 m away | 104 m² | 133 m² | +29 m² +28% | 2024 |
|---|
| 12, Prince Road547 m away | 56 m² | 85 m² | +29 m² +52% | 2023 |
|---|
| 20, Ross Road594 m away | 64 m² | 93 m² | +29 m² +45% | 2022 |
|---|
| 1, Annsworthy Avenue726 m away | 81 m² | 110 m² | +29 m² +36% | 2022 |
|---|
| 35, Gilsland Road822 m away | 79 m² | 108 m² | +29 m² +37% | 2021 |
|---|
| 18, Nursery Road907 m away | 82 m² | 111 m² | +29 m² +35% | 2020 |
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| 21, Woodvale Avenue604 m away | 137 m² | 165 m² | +28 m² +20% | 2026 |
|---|
| 81, Tennison Road658 m away | 103 m² | 131 m² | +28 m² +27% | 2025 |
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| 230, Grange Road921 m away | 62 m² | 90 m² | +28 m² +45% | 2023 |
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| 2, Sangley Court, Sangley Road95 m away | 72 m² | 100 m² | +28 m² +39% | 2017 |
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| 18, Wharncliffe Road617 m away | 106 m² | 134 m² | +28 m² +26% | 2017 |
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| 391, Whitehorse Road751 m away | 80 m² | 108 m² | +28 m² +35% | 2015 |
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| Flat 2, Tomlins Court, South Norwood Hill376 m away | 67 m² | 95 m² | +28 m² +42% | 2011 |
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| 410, Whitehorse Road717 m away | 65 m² | 93 m² | +28 m² +43% | 2010 |
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| Flat 2, 13, Walters Road400 m away | 23 m² | 50 m² | +27 m² +117% | 2025 |
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| 20, Rothesay Road517 m away | 72 m² | 99 m² | +27 m² +38% | 2025 |
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| 73, The Drive814 m away | 58 m² | 85 m² | +27 m² +47% | 2025 |
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| 21, Sidney Road864 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 8, Grangewood Terrace945 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 12, Rothesay Road517 m away | 75 m² | 102 m² | +27 m² +36% | 2022 |
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| 15, The Drive814 m away | 90 m² | 117 m² | +27 m² +30% | 2021 |
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| 33, Bensham Manor Road1000 m away | 78 m² | 105 m² | +27 m² +35% | 2018 |
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| 133, Ross Road472 m away | 92 m² | 118 m² | +26 m² +28% | 2026 |
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| 255, Ross Road617 m away | 143 m² | 169 m² | +26 m² +18% | 2026 |
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| 69, Whitehorse Lane434 m away | 72 m² | 98 m² | +26 m² +36% | 2024 |
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| 5, Grange Park Road877 m away | 119 m² | 145 m² | +26 m² +22% | 2024 |
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| Flat 17, Abbots Court, Claret Gardens108 m away | 40 m² | 66 m² | +26 m² +65% | 2022 |
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| 73, Grange Park Road788 m away | 94 m² | 120 m² | +26 m² +28% | 2022 |
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| 47, Grangecliffe Gardens891 m away | 98 m² | 124 m² | +26 m² +27% | 2021 |
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| 181, Ross Road499 m away | 110 m² | 136 m² | +26 m² +24% | 2020 |
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| 29, Woodvale Avenue604 m away | 127 m² | 153 m² | +26 m² +20% | 2020 |
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| Flat 1, 55, South Norwood Hill370 m away | 67 m² | 93 m² | +26 m² +39% | 2019 |
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| Flat 2, 151, Selhurst Road581 m away | 93 m² | 119 m² | +26 m² +28% | 2019 |
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| 361, Whitehorse Road751 m away | 95 m² | 121 m² | +26 m² +27% | 2018 |
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| 33, Lancaster Road683 m away | 79 m² | 105 m² | +26 m² +33% | 2009 |
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| 50, Parry Road354 m away | 106 m² | 131 m² | +25 m² +24% | 2025 |
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| 164, Selhurst Road434 m away | 76 m² | 101 m² | +25 m² +33% | 2025 |
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| 133, Holmesdale Road498 m away | 45 m² | 70 m² | +25 m² +56% | 2025 |
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| 253, Holmesdale Road132 m away | 52 m² | 77 m² | +25 m² +48% | 2024 |
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| Flat 2, 1, Burgoyne Road219 m away | 17 m² | 42 m² | +25 m² +147% | 2024 |
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| 119 - 121, Portland Road881 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
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| 1, Dunkeld Road649 m away | 82 m² | 107 m² | +25 m² +30% | 2020 |
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| 54, Warminster Road947 m away | 106 m² | 131 m² | +25 m² +24% | 2015 |
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| 35, Farnley Road581 m away | 46 m² | 71 m² | +25 m² +54% | 2012 |
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| 39, Saxon Road964 m away | 51 m² | 75 m² | +24 m² +47% | 2025 |
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| 9, Huntly Road0 m away | 95 m² | 119 m² | +24 m² +25% | 2024 |
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| 100, Grange Park Road771 m away | 62 m² | 86 m² | +24 m² +39% | 2024 |
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| 23, Grange Park Road877 m away | 44 m² | 68 m² | +24 m² +55% | 2023 |
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| 23, Wynton Gardens481 m away | 90 m² | 114 m² | +24 m² +27% | 2021 |
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| 59, Woodville Road895 m away | 99 m² | 123 m² | +24 m² +24% | 2021 |
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| 87d, Albert Road971 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 68, Charnwood Road726 m away | 70 m² | 94 m² | +24 m² +34% | 2018 |
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| 86, South Norwood Hill418 m away | 49 m² | 73 m² | +24 m² +49% | 2017 |
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| Flat 3, Ridgway Court, 22, Lancaster Road727 m away | 38 m² | 62 m² | +24 m² +63% | 2016 |
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| 7, Dinsdale Gardens574 m away | 83 m² | 107 m² | +24 m² +29% | 2015 |
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| 174, Livingstone Road984 m away | 91 m² | 115 m² | +24 m² +26% | 2014 |
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| 11c, Oliver Avenue212 m away | 22 m² | 45 m² | +23 m² +105% | 2026 |
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| 71, Dixon Road240 m away | 98 m² | 121 m² | +23 m² +23% | 2025 |
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| 45, Lancaster Road686 m away | 132 m² | 155 m² | +23 m² +17% | 2025 |
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| 31, Gilsland Road822 m away | 73 m² | 96 m² | +23 m² +32% | 2025 |
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| 620, Davidson Road998 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
|---|
| 14, Clifford Road682 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
|---|
| Flat 5, Applewood House, 17, Whitworth Road251 m away | 39 m² | 62 m² | +23 m² +59% | 2016 |
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| 159, Grange Road770 m away | 55 m² | 78 m² | +23 m² +42% | 2011 |
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| 27, Prince Road547 m away | 29 m² | 52 m² | +23 m² +79% | 2009 |
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| 32, Grangecliffe Gardens869 m away | 131 m² | 153 m² | +22 m² +17% | 2026 |
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| 7, Gilsland Road822 m away | 71 m² | 93 m² | +22 m² +31% | 2025 |
|---|
| 156, South Norwood Hill522 m away | 31 m² | 53 m² | +22 m² +71% | 2024 |
|---|
| 61, Whitehorse Lane434 m away | 78 m² | 100 m² | +22 m² +28% | 2022 |
|---|
| 9, Annsworthy Avenue726 m away | 78 m² | 100 m² | +22 m² +28% | 2020 |
|---|
| 3, Wynton Gardens481 m away | 100 m² | 122 m² | +22 m² +22% | 2019 |
|---|
| 221c, Whitehorse Lane188 m away | 78 m² | 100 m² | +22 m² +28% | 2017 |
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| 110, Clifton Road421 m away | 86 m² | 108 m² | +22 m² +26% | 2017 |
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| Flat 2, Malton House, 193, Selhurst Road351 m away | 39 m² | 61 m² | +22 m² +56% | 2016 |
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| 53, Auckland Road845 m away | 106 m² | 128 m² | +22 m² +21% | 2016 |
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| 57c, South Norwood Hill419 m away | 34 m² | 56 m² | +22 m² +65% | 2015 |
|---|
| 21, Percy Road880 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
|---|
| Flat 1, 50, Whitworth Road132 m away | 43 m² | 65 m² | +22 m² +51% | 2014 |
|---|
| 7, Cypress Road833 m away | 57 m² | 79 m² | +22 m² +39% | 2013 |
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| Flat 1, 13, Walters Road400 m away | 54 m² | 75 m² | +21 m² +39% | 2026 |
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| 54, Watson Place825 m away | 85 m² | 106 m² | +21 m² +25% | 2026 |
|---|
| 82, Charnwood Road726 m away | 92 m² | 113 m² | +21 m² +23% | 2024 |
|---|
| 17, Grange Gardens840 m away | 113 m² | 134 m² | +21 m² +19% | 2023 |
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| 5a, Park Road289 m away | 60 m² | 81 m² | +21 m² +35% | 2022 |
|---|
| 46, Cypress Road853 m away | 92 m² | 113 m² | +21 m² +23% | 2021 |
|---|
| 236, Grange Road921 m away | 90 m² | 111 m² | +21 m² +23% | 2016 |
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| Flat 1, 249, Whitehorse Lane210 m away | 40 m² | 61 m² | +21 m² +53% | 2012 |
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| Flat 5, 153, Selhurst Road581 m away | 35 m² | 56 m² | +21 m² +60% | 2011 |
|---|
| 35, Whitworth Road123 m away | 49 m² | 70 m² | +21 m² +43% | 2009 |
|---|
| 21, Parry Road354 m away | 88 m² | 108 m² | +20 m² +23% | 2024 |
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