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 6SF
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 |
|---|---|---|---|---|
| 16e, Highfield Hill922 m away | 86 m² | 183 m² | +97 m² +113% | 2016 |
| 11, Court Road505 m away | 100 m² | 196 m² | +96 m² +96% | 2022 |
| 243, Ross Road809 m away | 102 m² | 187 m² | +85 m² +83% | 2014 |
| 85, Norhyrst Avenue410 m away | 93 m² | 176 m² | +83 m² +89% | 2022 |
| 7, Natal Road899 m away | 104 m² | 184 m² | +80 m² +77% | 2026 |
| 39, Stambourne Way997 m away | 82 m² | 162 m² | +80 m² +98% | 2022 |
| 10, Beulah Hill962 m away | 150 m² | 229 m² | +79 m² +53% | 2018 |
| 54, Furze Road981 m away | 78 m² | 154 m² | +76 m² +97% | 2025 |
| 112, Grange Park Road859 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.
| 171 m² |
| +76 m² +80% |
| 2020 |
| 12, Cranbrook Road942 m away | 80 m² | 154 m² | +74 m² +93% | 2018 |
|---|
| 1a, Hythe Road623 m away | 77 m² | 150 m² | +73 m² +95% | 2022 |
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| 12, Ross Road49 m away | 88 m² | 159 m² | +71 m² +81% | 2019 |
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| 73, Whitehorse Lane801 m away | 70 m² | 139 m² | +69 m² +99% | 2025 |
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| 22, Pittville Gardens851 m away | 123 m² | 189 m² | +66 m² +54% | 2024 |
|---|
| 28, Annsworthy Crescent498 m away | 87 m² | 152 m² | +65 m² +75% | 2025 |
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| 2, Dunkeld Road904 m away | 89 m² | 151 m² | +62 m² +70% | 2025 |
|---|
| 49, Auckland Road316 m away | 136 m² | 197 m² | +61 m² +45% | 2026 |
|---|
| 8, St Dunstans Road819 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
|---|
| 145, Whitehorse Lane684 m away | 85 m² | 143 m² | +58 m² +68% | 2021 |
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| 37, Woodvale Avenue320 m away | 96 m² | 154 m² | +58 m² +60% | 2011 |
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| 8, Teesdale Gardens443 m away | 63 m² | 120 m² | +57 m² +90% | 2022 |
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| Flat 2, Podina House, 16b, Highfield Hill922 m away | 73 m² | 130 m² | +57 m² +78% | 2020 |
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| 139, Ross Road487 m away | 97 m² | 153 m² | +56 m² +58% | 2014 |
|---|
| 29, Howden Road246 m away | 124 m² | 180 m² | +56 m² +45% | 2009 |
|---|
| 4, Kingslyn Crescent579 m away | 58 m² | 112 m² | +54 m² +93% | 2023 |
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| 242, Mersham Road485 m away | 49 m² | 102 m² | +53 m² +108% | 2022 |
|---|
| 23, Norhyrst Avenue410 m away | 96 m² | 149 m² | +53 m² +55% | 2020 |
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| 12, Spa Close564 m away | 78 m² | 129 m² | +51 m² +65% | 2020 |
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| 16, Upper Grove843 m away | 40 m² | 90 m² | +50 m² +125% | 2010 |
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| 226, Whitehorse Lane550 m away | 92 m² | 141 m² | +49 m² +53% | 2024 |
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| 163b, Moffat Road645 m away | 47 m² | 96 m² | +49 m² +104% | 2024 |
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| 120, Sylvan Road707 m away | 73 m² | 121 m² | +48 m² +66% | 2023 |
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| 35, Buller Road669 m away | 78 m² | 125 m² | +47 m² +60% | 2022 |
|---|
| 13, Auckland Road387 m away | 105 m² | 152 m² | +47 m² +45% | 2021 |
|---|
| 1, The Dell912 m away | 85 m² | 131 m² | +46 m² +54% | 2023 |
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| 65, Burlington Road911 m away | 94 m² | 140 m² | +46 m² +49% | 2016 |
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| 38, Auckland Road371 m away | 162 m² | 207 m² | +45 m² +28% | 2026 |
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| 55, Burlington Road911 m away | 94 m² | 139 m² | +45 m² +48% | 2024 |
|---|
| 38, Howden Road246 m away | 111 m² | 155 m² | +44 m² +40% | 2025 |
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| 96, Livingstone Road660 m away | 111 m² | 155 m² | +44 m² +40% | 2022 |
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| 168, Burlington Road669 m away | 77 m² | 120 m² | +43 m² +56% | 2025 |
|---|
| 163, South Norwood Hill49 m away | 109 m² | 152 m² | +43 m² +39% | 2023 |
|---|
| 25, Nugent Road356 m away | 74 m² | 117 m² | +43 m² +58% | 2022 |
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| 35, Howden Road246 m away | 122 m² | 164 m² | +42 m² +34% | 2026 |
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| 34, Bungalow Road928 m away | 81 m² | 123 m² | +42 m² +52% | 2022 |
|---|
| 17, Spa Hill981 m away | 57 m² | 99 m² | +42 m² +74% | 2018 |
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| 9, St Marys Road458 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
|---|
| 136, Spa Hill962 m away | 77 m² | 118 m² | +41 m² +53% | 2015 |
|---|
| 116, Sylvan Road707 m away | 34 m² | 74 m² | +40 m² +118% | 2025 |
|---|
| 8, The Dell912 m away | 90 m² | 130 m² | +40 m² +44% | 2020 |
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| 19, Upton Road883 m away | 76 m² | 116 m² | +40 m² +53% | 2018 |
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| 24, Kitchener Road786 m away | 106 m² | 145 m² | +39 m² +37% | 2024 |
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| 13, Hobart Gardens946 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
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| 192, Whitehorse Lane550 m away | 90 m² | 129 m² | +39 m² +43% | 2020 |
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| 40, Ladbrook Road804 m away | 86 m² | 125 m² | +39 m² +45% | 2020 |
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| 16, Norbury Road910 m away | 82 m² | 121 m² | +39 m² +48% | 2015 |
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| 37, Moffat Road864 m away | 69 m² | 108 m² | +39 m² +57% | 2010 |
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| 9, Woodvale Avenue320 m away | 111 m² | 149 m² | +38 m² +34% | 2026 |
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| 13, Parry Road513 m away | 70 m² | 107 m² | +37 m² +53% | 2026 |
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| 2, Stambourne Way997 m away | 99 m² | 136 m² | +37 m² +37% | 2024 |
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| 65, Falkland Park Avenue129 m away | 93 m² | 130 m² | +37 m² +40% | 2023 |
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| 28, Holmewood Road552 m away | 101 m² | 138 m² | +37 m² +37% | 2020 |
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| 119, Grange Road646 m away | 77 m² | 114 m² | +37 m² +48% | 2018 |
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| 31, Canham Road387 m away | 118 m² | 155 m² | +37 m² +31% | 2017 |
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| 15, Hythe Road623 m away | 38 m² | 75 m² | +37 m² +97% | 2017 |
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| 244, Mersham Road485 m away | 33 m² | 70 m² | +37 m² +112% | 2016 |
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| 50, Wharncliffe Road325 m away | 101 m² | 137 m² | +36 m² +36% | 2025 |
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| 95, Grange Park Road854 m away | 93 m² | 129 m² | +36 m² +39% | 2025 |
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| 8, Tree View Close898 m away | 114 m² | 150 m² | +36 m² +32% | 2024 |
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| 62, Ross Road240 m away | 114 m² | 150 m² | +36 m² +32% | 2017 |
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| 249, Holmesdale Road753 m away | 148 m² | 183 m² | +35 m² +24% | 2025 |
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| 9, The Dell912 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
|---|
| Flat 10, Hilltop Court, 345, Grange Road597 m away | 62 m² | 97 m² | +35 m² +56% | 2022 |
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| 14, Rothesay Road980 m away | 64 m² | 99 m² | +35 m² +55% | 2019 |
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| Flat 3, 22, Oliver Grove799 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
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| 85, Woodville Road795 m away | 79 m² | 113 m² | +34 m² +43% | 2023 |
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| 34, Whitworth Road597 m away | 181 m² | 215 m² | +34 m² +19% | 2014 |
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| 4, Sunset Gardens253 m away | 111 m² | 144 m² | +33 m² +30% | 2023 |
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| 23, High View Close222 m away | 144 m² | 177 m² | +33 m² +23% | 2020 |
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| 27, High View Close222 m away | 127 m² | 160 m² | +33 m² +26% | 2017 |
|---|
| Flat 3, 13, South Norwood Hill764 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
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| 14, St Marys Road458 m away | 61 m² | 93 m² | +32 m² +52% | 2023 |
|---|
| Flat 3, 18, Upper Grove843 m away | 56 m² | 88 m² | +32 m² +57% | 2021 |
|---|
| 31, Oliver Grove799 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
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| 26, Whitehorse Lane988 m away | 96 m² | 128 m² | +32 m² +33% | 2019 |
|---|
| 340, Grange Road624 m away | 80 m² | 111 m² | +31 m² +39% | 2026 |
|---|
| 310, Whitehorse Lane267 m away | 120 m² | 151 m² | +31 m² +26% | 2025 |
|---|
| 12, Canham Road405 m away | 93 m² | 124 m² | +31 m² +33% | 2025 |
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| 34, Michael Road500 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
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| 14, Falkland Park Avenue138 m away | 91 m² | 122 m² | +31 m² +34% | 2024 |
|---|
| 4, Annsworthy Avenue829 m away | 82 m² | 113 m² | +31 m² +38% | 2024 |
|---|
| 63a, Whitworth Road520 m away | 71 m² | 102 m² | +31 m² +44% | 2019 |
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| 35, Holmewood Road529 m away | 99 m² | 130 m² | +31 m² +31% | 2016 |
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| 4a, Sylvan Hill806 m away | 109 m² | 140 m² | +31 m² +28% | 2016 |
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| 4, Silvermere Row662 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
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| 50, Hunter Road762 m away | 44 m² | 75 m² | +31 m² +70% | 2015 |
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| 9d, Warminster Road756 m away | 59 m² | 90 m² | +31 m² +53% | 2009 |
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| 29, Grangecliffe Gardens357 m away | 110 m² | 140 m² | +30 m² +27% | 2026 |
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| 352, Grange Road624 m away | 66 m² | 96 m² | +30 m² +45% | 2025 |
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| 239, Ross Road809 m away | 109 m² | 139 m² | +30 m² +28% | 2025 |
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| 39, Falkland Park Avenue129 m away | 96 m² | 126 m² | +30 m² +31% | 2024 |
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| 34, Elm Park Road474 m away | 107 m² | 137 m² | +30 m² +28% | 2024 |
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| 23, Michael Road506 m away | 82 m² | 112 m² | +30 m² +37% | 2023 |
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| Flat 2, 80, Beauchamp Road795 m away | 29 m² | 59 m² | +30 m² +103% | 2023 |
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| 43, Hamilton Road764 m away | 96 m² | 126 m² | +30 m² +31% | 2015 |
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| 83, Woodville Road795 m away | 80 m² | 110 m² | +30 m² +38% | 2013 |
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| 294, Whitehorse Lane267 m away | 104 m² | 133 m² | +29 m² +28% | 2024 |
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| 2, Shelford Rise974 m away | 75 m² | 104 m² | +29 m² +39% | 2023 |
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| 20, Ross Road49 m away | 64 m² | 93 m² | +29 m² +45% | 2022 |
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| 1, Annsworthy Avenue829 m away | 81 m² | 110 m² | +29 m² +36% | 2022 |
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| 14, Shelford Rise974 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
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| 118a, Spa Hill962 m away | 52 m² | 81 m² | +29 m² +56% | 2014 |
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| 21, Woodvale Avenue320 m away | 137 m² | 165 m² | +28 m² +20% | 2026 |
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| 230, Grange Road423 m away | 62 m² | 90 m² | +28 m² +45% | 2023 |
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| 18, Wharncliffe Road290 m away | 106 m² | 134 m² | +28 m² +26% | 2017 |
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| 2, Sangley Court, Sangley Road666 m away | 72 m² | 100 m² | +28 m² +39% | 2017 |
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| 149, Beauchamp Road816 m away | 102 m² | 130 m² | +28 m² +27% | 2015 |
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| 49, Norbury Road965 m away | 90 m² | 118 m² | +28 m² +31% | 2013 |
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| Flat 2, Tomlins Court, South Norwood Hill413 m away | 67 m² | 95 m² | +28 m² +42% | 2011 |
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| 36, Livingstone Road822 m away | 75 m² | 102 m² | +27 m² +36% | 2025 |
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| 73, The Drive976 m away | 58 m² | 85 m² | +27 m² +47% | 2025 |
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| 20, Rothesay Road980 m away | 72 m² | 99 m² | +27 m² +38% | 2025 |
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| 8, Grangewood Terrace462 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 145, Livingstone Road560 m away | 100 m² | 127 m² | +27 m² +27% | 2024 |
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| 12, Rothesay Road980 m away | 75 m² | 102 m² | +27 m² +36% | 2022 |
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| 15, The Drive976 m away | 90 m² | 117 m² | +27 m² +30% | 2021 |
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| 133, Ross Road487 m away | 92 m² | 118 m² | +26 m² +28% | 2026 |
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| 255, Ross Road809 m away | 143 m² | 169 m² | +26 m² +18% | 2026 |
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| 69, Whitehorse Lane801 m away | 72 m² | 98 m² | +26 m² +36% | 2024 |
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| 5, Grange Park Road999 m away | 119 m² | 145 m² | +26 m² +22% | 2024 |
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| Flat 17, Abbots Court, Claret Gardens580 m away | 40 m² | 66 m² | +26 m² +65% | 2022 |
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| Flat D, 108, Auckland Road674 m away | 60 m² | 86 m² | +26 m² +43% | 2022 |
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| 73, Grange Park Road854 m away | 94 m² | 120 m² | +26 m² +28% | 2022 |
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| 47, Grangecliffe Gardens357 m away | 98 m² | 124 m² | +26 m² +27% | 2021 |
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| 29, Woodvale Avenue320 m away | 127 m² | 153 m² | +26 m² +20% | 2020 |
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| 181, Ross Road646 m away | 110 m² | 136 m² | +26 m² +24% | 2020 |
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| Flat 1, 55, South Norwood Hill508 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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| 33, Lancaster Road778 m away | 79 m² | 105 m² | +26 m² +33% | 2009 |
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| 50, Parry Road513 m away | 106 m² | 131 m² | +25 m² +24% | 2025 |
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| 253, Holmesdale Road753 m away | 52 m² | 77 m² | +25 m² +48% | 2024 |
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| Flat 2, 1, Burgoyne Road819 m away | 17 m² | 42 m² | +25 m² +147% | 2024 |
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| 7, Penrith Road986 m away | 71 m² | 96 m² | +25 m² +35% | 2023 |
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| Flat 5, 110, Auckland Road674 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 1, Dunkeld Road904 m away | 82 m² | 107 m² | +25 m² +30% | 2020 |
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| 54, Warminster Road772 m away | 106 m² | 131 m² | +25 m² +24% | 2015 |
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| 9, Huntly Road626 m away | 95 m² | 119 m² | +24 m² +25% | 2024 |
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| 100, Grange Park Road859 m away | 62 m² | 86 m² | +24 m² +39% | 2024 |
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| 167a, Moffat Road645 m away | 97 m² | 121 m² | +24 m² +25% | 2023 |
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| 23, Grange Park Road999 m away | 44 m² | 68 m² | +24 m² +55% | 2023 |
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| 59, Woodville Road952 m away | 99 m² | 123 m² | +24 m² +24% | 2021 |
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| 86, South Norwood Hill458 m away | 49 m² | 73 m² | +24 m² +49% | 2017 |
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| Flat 3, Ridgway Court, 22, Lancaster Road595 m away | 38 m² | 62 m² | +24 m² +63% | 2016 |
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| 174, Livingstone Road528 m away | 91 m² | 115 m² | +24 m² +26% | 2014 |
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| 106, Beauchamp Road795 m away | 78 m² | 102 m² | +24 m² +31% | 2013 |
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| 11c, Oliver Avenue637 m away | 22 m² | 45 m² | +23 m² +105% | 2026 |
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| 71, Dixon Road403 m away | 98 m² | 121 m² | +23 m² +23% | 2025 |
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| 45, Lancaster Road533 m away | 132 m² | 155 m² | +23 m² +17% | 2025 |
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| 29, Mersham Road781 m away | 103 m² | 126 m² | +23 m² +22% | 2023 |
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| Flat 5, Applewood House, 17, Whitworth Road783 m away | 39 m² | 62 m² | +23 m² +59% | 2016 |
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| Flat 29, Carlton Court, Auckland Road827 m away | 47 m² | 70 m² | +23 m² +49% | 2014 |
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| 159, Grange Road526 m away | 55 m² | 78 m² | +23 m² +42% | 2011 |
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| 32, Grangecliffe Gardens363 m away | 131 m² | 153 m² | +22 m² +17% | 2026 |
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| 156, South Norwood Hill224 m away | 31 m² | 53 m² | +22 m² +71% | 2024 |
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| 6, Gayfere Place468 m away | 113 m² | 135 m² | +22 m² +19% | 2024 |
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| 61, Whitehorse Lane801 m away | 78 m² | 100 m² | +22 m² +28% | 2022 |
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| 4, Upton Road883 m away | 68 m² | 90 m² | +22 m² +32% | 2021 |
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| 9, Annsworthy Avenue829 m away | 78 m² | 100 m² | +22 m² +28% | 2020 |
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| Flat 4, 271, Church Road841 m away | 76 m² | 98 m² | +22 m² +29% | 2020 |
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| 221c, Whitehorse Lane535 m away | 78 m² | 100 m² | +22 m² +28% | 2017 |
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| 110, Clifton Road946 m away | 86 m² | 108 m² | +22 m² +26% | 2017 |
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| 53, Auckland Road316 m away | 106 m² | 128 m² | +22 m² +21% | 2016 |
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| Flat 2, Malton House, 193, Selhurst Road976 m away | 39 m² | 61 m² | +22 m² +56% | 2016 |
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| 57c, South Norwood Hill314 m away | 34 m² | 56 m² | +22 m² +65% | 2015 |
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| Flat 1, 50, Whitworth Road520 m away | 43 m² | 65 m² | +22 m² +51% | 2014 |
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| 7, Cypress Road211 m away | 57 m² | 79 m² | +22 m² +39% | 2013 |
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| 140, Beauchamp Road795 m away | 86 m² | 107 m² | +21 m² +24% | 2026 |
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| 17, Grange Gardens271 m away | 113 m² | 134 m² | +21 m² +19% | 2023 |
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| 5a, Park Road915 m away | 60 m² | 81 m² | +21 m² +35% | 2022 |
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| 46, Cypress Road258 m away | 92 m² | 113 m² | +21 m² +23% | 2021 |
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| 18, Furze Road981 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
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| 236, Grange Road423 m away | 90 m² | 111 m² | +21 m² +23% | 2016 |
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| Flat 1, 249, Whitehorse Lane453 m away | 40 m² | 61 m² | +21 m² +53% | 2012 |
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| 38, Furze Road981 m away | 114 m² | 135 m² | +21 m² +18% | 2011 |
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| 35, Whitworth Road597 m away | 49 m² | 70 m² | +21 m² +43% | 2009 |
|---|
| 124, Moffat Road734 m away | 89 m² | 109 m² | +20 m² +22% | 2026 |
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| 14, Cranbrook Road942 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
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| 21, Parry Road513 m away | 88 m² | 108 m² | +20 m² +23% | 2024 |
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| 2, Rothesay Road980 m away | 64 m² | 84 m² | +20 m² +31% | 2017 |
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| 68, Sylvan Road707 m away | 73 m² | 93 m² | +20 m² +27% | 2013 |
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| 44, Hamilton Road758 m away | 93 m² | 112 m² | +19 m² +20% | 2026 |
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| Flat 4, 10, Whitworth Road783 m away | 43 m² | 62 m² | +19 m² +44% | 2026 |
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| 22, Cranleigh Gardens185 m away | 42 m² | 61 m² | +19 m² +45% | 2025 |
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| 6a, Holmesdale Close631 m away | 39 m² | 58 m² | +19 m² +49% | 2025 |
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| 2, Kingslyn Crescent579 m away | 73 m² | 92 m² | +19 m² +26% | 2020 |
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| 10, Canham Road405 m away | 80 m² | 99 m² | +19 m² +24% | 2019 |
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| 72, Moffat Road886 m away | 80 m² | 99 m² | +19 m² +24% | 2017 |
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| 57, Penge Road992 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
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| 12, Upper Grove843 m away | 43 m² | 62 m² | +19 m² +44% | 2015 |
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| Flat 6, Drake Court, Warminster Road604 m away | 48 m² | 67 m² | +19 m² +40% | 2012 |
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