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 6TN
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 Park845 m away | 111 m² | 208 m² | +97 m² +87% | 2022 |
| 11, Court Road972 m away | 100 m² | 196 m² | +96 m² +96% | 2022 |
| 243, Ross Road167 m away | 102 m² | 187 m² | +85 m² +83% | 2014 |
| 85, Norhyrst Avenue793 m away | 93 m² | 176 m² | +83 m² +89% | 2022 |
| 7, Natal Road415 m away | 104 m² | 184 m² | +80 m² +77% | 2026 |
| 54, Furze Road639 m away | 78 m² | 154 m² | +76 m² +97% | 2025 |
| 112, Grange Park Road279 m away | 95 m² | 171 m² | +76 m² +80% | 2020 |
| 12, Cranbrook Road948 m away | 80 m² | 154 m² | +74 m² +93% | 2018 |
| 1a, Hythe Road503 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 Road653 m away | 164 m² | 235 m² | +71 m² +43% | 2023 |
|---|
| 12, Ross Road597 m away | 88 m² | 159 m² | +71 m² +81% | 2019 |
|---|
| 73, Whitehorse Lane231 m away | 70 m² | 139 m² | +69 m² +99% | 2025 |
|---|
| 28, Annsworthy Crescent527 m away | 87 m² | 152 m² | +65 m² +75% | 2025 |
|---|
| 51, High Street454 m away | 42 m² | 105 m² | +63 m² +150% | 2008 |
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| 2, Dunkeld Road258 m away | 89 m² | 151 m² | +62 m² +70% | 2025 |
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| 8, St Dunstans Road912 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
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| 49, Auckland Road959 m away | 136 m² | 197 m² | +61 m² +45% | 2026 |
|---|
| 14, Saxon Road920 m away | 92 m² | 153 m² | +61 m² +66% | 2020 |
|---|
| 145, Whitehorse Lane283 m away | 85 m² | 143 m² | +58 m² +68% | 2021 |
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| 37, Woodvale Avenue843 m away | 96 m² | 154 m² | +58 m² +60% | 2011 |
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| 8, Teesdale Gardens863 m away | 63 m² | 120 m² | +57 m² +90% | 2022 |
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| 19, Melfort Road908 m away | 125 m² | 181 m² | +56 m² +45% | 2026 |
|---|
| 139, Ross Road160 m away | 97 m² | 153 m² | +56 m² +58% | 2014 |
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| 29, Howden Road840 m away | 124 m² | 180 m² | +56 m² +45% | 2009 |
|---|
| 29, Parchmore Road742 m away | 75 m² | 129 m² | +54 m² +72% | 2024 |
|---|
| 4, Kingslyn Crescent977 m away | 58 m² | 112 m² | +54 m² +93% | 2023 |
|---|
| 42, Brook Road938 m away | 132 m² | 186 m² | +54 m² +41% | 2014 |
|---|
| 29, Gillett Road554 m away | 42 m² | 95 m² | +53 m² +126% | 2022 |
|---|
| 242, Mersham Road617 m away | 49 m² | 102 m² | +53 m² +108% | 2022 |
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| 23, Norhyrst Avenue793 m away | 96 m² | 149 m² | +53 m² +55% | 2020 |
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| 46, Tennison Road998 m away | 62 m² | 113 m² | +51 m² +82% | 2022 |
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| 12, Spa Close992 m away | 78 m² | 129 m² | +51 m² +65% | 2020 |
|---|
| 18, Broadway Avenue984 m away | 56 m² | 107 m² | +51 m² +91% | 2019 |
|---|
| 16, Upper Grove617 m away | 40 m² | 90 m² | +50 m² +125% | 2010 |
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| 226, Whitehorse Lane351 m away | 92 m² | 141 m² | +49 m² +53% | 2024 |
|---|
| 163b, Moffat Road782 m away | 47 m² | 96 m² | +49 m² +104% | 2024 |
|---|
| 35, Buller Road374 m away | 78 m² | 125 m² | +47 m² +60% | 2022 |
|---|
| 13, Auckland Road957 m away | 105 m² | 152 m² | +47 m² +45% | 2021 |
|---|
| 65, Burlington Road815 m away | 94 m² | 140 m² | +46 m² +49% | 2016 |
|---|
| 93, Melfort Road986 m away | 109 m² | 154 m² | +45 m² +41% | 2025 |
|---|
| 55, Burlington Road815 m away | 94 m² | 139 m² | +45 m² +48% | 2024 |
|---|
| 100, Melfort Road973 m away | 55 m² | 100 m² | +45 m² +82% | 2012 |
|---|
| 11, Hunter Road355 m away | 88 m² | 132 m² | +44 m² +50% | 2026 |
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| 38, Howden Road840 m away | 111 m² | 155 m² | +44 m² +40% | 2025 |
|---|
| 96, Livingstone Road637 m away | 111 m² | 155 m² | +44 m² +40% | 2022 |
|---|
| 168, Burlington Road828 m away | 77 m² | 120 m² | +43 m² +56% | 2025 |
|---|
| 43, Norfolk Road663 m away | 81 m² | 124 m² | +43 m² +53% | 2024 |
|---|
| 163, South Norwood Hill679 m away | 109 m² | 152 m² | +43 m² +39% | 2023 |
|---|
| 25, Nugent Road611 m away | 74 m² | 117 m² | +43 m² +58% | 2022 |
|---|
| 34, Norfolk Road663 m away | 94 m² | 137 m² | +43 m² +46% | 2016 |
|---|
| 5b, Farnley Road577 m away | 61 m² | 103 m² | +42 m² +69% | 2026 |
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| 35, Howden Road840 m away | 122 m² | 164 m² | +42 m² +34% | 2026 |
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| 34, Bungalow Road610 m away | 81 m² | 123 m² | +42 m² +52% | 2022 |
|---|
| 22, Beulah Road833 m away | 98 m² | 140 m² | +42 m² +43% | 2020 |
|---|
| 89, Beulah Road808 m away | 52 m² | 94 m² | +42 m² +81% | 2017 |
|---|
| 54, Dagnall Park845 m away | 118 m² | 159 m² | +41 m² +35% | 2024 |
|---|
| 9, St Marys Road287 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
|---|
| 8, Stuart Road643 m away | 109 m² | 150 m² | +41 m² +38% | 2018 |
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| 16, Hurlstone Road723 m away | 96 m² | 136 m² | +40 m² +42% | 2022 |
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| 19, Upton Road892 m away | 76 m² | 116 m² | +40 m² +53% | 2018 |
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| 24, Kitchener Road401 m away | 106 m² | 145 m² | +39 m² +37% | 2024 |
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| 13, Hobart Gardens436 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
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| 40, Ladbrook Road174 m away | 86 m² | 125 m² | +39 m² +45% | 2020 |
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| 192, Whitehorse Lane351 m away | 90 m² | 129 m² | +39 m² +43% | 2020 |
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| 97, Dagnall Park845 m away | 108 m² | 147 m² | +39 m² +36% | 2018 |
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| 16, Norbury Road626 m away | 82 m² | 121 m² | +39 m² +48% | 2015 |
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| 37, Moffat Road733 m away | 69 m² | 108 m² | +39 m² +57% | 2010 |
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| 9, Woodvale Avenue843 m away | 111 m² | 149 m² | +38 m² +34% | 2026 |
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| 3, Heath Road702 m away | 30 m² | 68 m² | +38 m² +127% | 2016 |
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| 13, Parry Road178 m away | 70 m² | 107 m² | +37 m² +53% | 2026 |
|---|
| 65, Falkland Park Avenue526 m away | 93 m² | 130 m² | +37 m² +40% | 2023 |
|---|
| 28, Holmewood Road425 m away | 101 m² | 138 m² | +37 m² +37% | 2020 |
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| 119, Grange Road240 m away | 77 m² | 114 m² | +37 m² +48% | 2018 |
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| 31, Canham Road265 m away | 118 m² | 155 m² | +37 m² +31% | 2017 |
|---|
| 15, Hythe Road503 m away | 38 m² | 75 m² | +37 m² +97% | 2017 |
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| 244, Mersham Road617 m away | 33 m² | 70 m² | +37 m² +112% | 2016 |
|---|
| 95, Grange Park Road293 m away | 93 m² | 129 m² | +36 m² +39% | 2025 |
|---|
| 50, Wharncliffe Road525 m away | 101 m² | 137 m² | +36 m² +36% | 2025 |
|---|
| 14, Elm Road648 m away | 88 m² | 124 m² | +36 m² +41% | 2024 |
|---|
| 62, Ross Road409 m away | 114 m² | 150 m² | +36 m² +32% | 2017 |
|---|
| Flat 5, Ashleigh Court, Norbury Avenue972 m away | 32 m² | 68 m² | +36 m² +113% | 2010 |
|---|
| 249, Holmesdale Road589 m away | 148 m² | 183 m² | +35 m² +24% | 2025 |
|---|
| 96, Bensham Manor Road748 m away | 55 m² | 90 m² | +35 m² +64% | 2023 |
|---|
| 45, Melfort Road908 m away | 128 m² | 163 m² | +35 m² +27% | 2022 |
|---|
| Flat 10, Hilltop Court, 345, Grange Road912 m away | 62 m² | 97 m² | +35 m² +56% | 2022 |
|---|
| 14, Rothesay Road420 m away | 64 m² | 99 m² | +35 m² +55% | 2019 |
|---|
| Flat 3, 22, Oliver Grove846 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
|---|
| 85, Woodville Road306 m away | 79 m² | 113 m² | +34 m² +43% | 2023 |
|---|
| 41, Osborne Gardens929 m away | 75 m² | 109 m² | +34 m² +45% | 2020 |
|---|
| 34, Whitworth Road599 m away | 181 m² | 215 m² | +34 m² +19% | 2014 |
|---|
| 4, Sunset Gardens898 m away | 111 m² | 144 m² | +33 m² +30% | 2023 |
|---|
| 7, Dagmar Road629 m away | 65 m² | 98 m² | +33 m² +51% | 2020 |
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| 5, Homewood Gardens714 m away | 55 m² | 88 m² | +33 m² +60% | 2020 |
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| 23, High View Close859 m away | 144 m² | 177 m² | +33 m² +23% | 2020 |
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| 21, Gilsland Road489 m away | 61 m² | 94 m² | +33 m² +54% | 2018 |
|---|
| 27, High View Close859 m away | 127 m² | 160 m² | +33 m² +26% | 2017 |
|---|
| Flat 1, 42, Beulah Road833 m away | 26 m² | 58 m² | +32 m² +123% | 2026 |
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| Flat 3, 13, South Norwood Hill938 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
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| 66, Dagnall Park845 m away | 116 m² | 148 m² | +32 m² +28% | 2025 |
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| 14, St Marys Road287 m away | 61 m² | 93 m² | +32 m² +52% | 2023 |
|---|
| Flat 3, 18, Upper Grove617 m away | 56 m² | 88 m² | +32 m² +57% | 2021 |
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| 31, Oliver Grove846 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
|---|
| 26, Whitehorse Lane358 m away | 96 m² | 128 m² | +32 m² +33% | 2019 |
|---|
| 57, Bensham Manor Road784 m away | 135 m² | 167 m² | +32 m² +24% | 2019 |
|---|
| 34, Michael Road149 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
|---|
| 12, Canham Road347 m away | 93 m² | 124 m² | +31 m² +33% | 2025 |
|---|
| 310, Whitehorse Lane571 m away | 120 m² | 151 m² | +31 m² +26% | 2025 |
|---|
| 4, Annsworthy Avenue236 m away | 82 m² | 113 m² | +31 m² +38% | 2024 |
|---|
| 14, Falkland Park Avenue539 m away | 91 m² | 122 m² | +31 m² +34% | 2024 |
|---|
| 16b, Parchmore Road629 m away | 33 m² | 64 m² | +31 m² +94% | 2023 |
|---|
| 63a, Whitworth Road543 m away | 71 m² | 102 m² | +31 m² +44% | 2019 |
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| 35, Holmewood Road441 m away | 99 m² | 130 m² | +31 m² +31% | 2016 |
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| 50, Hunter Road331 m away | 44 m² | 75 m² | +31 m² +70% | 2015 |
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| 29, Grangecliffe Gardens692 m away | 110 m² | 140 m² | +30 m² +27% | 2026 |
|---|
| 239, Ross Road167 m away | 109 m² | 139 m² | +30 m² +28% | 2025 |
|---|
| 39, Falkland Park Avenue526 m away | 96 m² | 126 m² | +30 m² +31% | 2024 |
|---|
| 34, Elm Park Road697 m away | 107 m² | 137 m² | +30 m² +28% | 2024 |
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| 23, Michael Road155 m away | 82 m² | 112 m² | +30 m² +37% | 2023 |
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| 43, Hamilton Road494 m away | 96 m² | 126 m² | +30 m² +31% | 2015 |
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| 49, Zion Road555 m away | 60 m² | 90 m² | +30 m² +50% | 2015 |
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| 83, Woodville Road306 m away | 80 m² | 110 m² | +30 m² +38% | 2013 |
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| 51, Norbury Road677 m away | 64 m² | 94 m² | +30 m² +47% | 2012 |
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| Flat 2, 131, Holmesdale Road546 m away | 53 m² | 83 m² | +30 m² +57% | 2010 |
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| 15, Kynaston Avenue982 m away | 76 m² | 105 m² | +29 m² +38% | 2026 |
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| 294, Whitehorse Lane571 m away | 104 m² | 133 m² | +29 m² +28% | 2024 |
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| 12, Prince Road653 m away | 56 m² | 85 m² | +29 m² +52% | 2023 |
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| 1, Annsworthy Avenue236 m away | 81 m² | 110 m² | +29 m² +36% | 2022 |
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| 20, Ross Road597 m away | 64 m² | 93 m² | +29 m² +45% | 2022 |
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| 35, Gilsland Road489 m away | 79 m² | 108 m² | +29 m² +37% | 2021 |
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| 18, Nursery Road634 m away | 82 m² | 111 m² | +29 m² +35% | 2020 |
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| 46, Kynaston Road921 m away | 113 m² | 142 m² | +29 m² +26% | 2019 |
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| 21, Woodvale Avenue843 m away | 137 m² | 165 m² | +28 m² +20% | 2026 |
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| 230, Grange Road677 m away | 62 m² | 90 m² | +28 m² +45% | 2023 |
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| 18, Wharncliffe Road415 m away | 106 m² | 134 m² | +28 m² +26% | 2017 |
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| 2, Sangley Court, Sangley Road594 m away | 72 m² | 100 m² | +28 m² +39% | 2017 |
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| 391, Whitehorse Road499 m away | 80 m² | 108 m² | +28 m² +35% | 2015 |
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| 149, Beauchamp Road998 m away | 102 m² | 130 m² | +28 m² +27% | 2015 |
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| Flat 2, Tomlins Court, South Norwood Hill715 m away | 67 m² | 95 m² | +28 m² +42% | 2011 |
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| 410, Whitehorse Road464 m away | 65 m² | 93 m² | +28 m² +43% | 2010 |
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| 73, The Drive357 m away | 58 m² | 85 m² | +27 m² +47% | 2025 |
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| 20, Rothesay Road420 m away | 72 m² | 99 m² | +27 m² +38% | 2025 |
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| 36, Livingstone Road617 m away | 75 m² | 102 m² | +27 m² +36% | 2025 |
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| Flat 2, 13, Walters Road649 m away | 23 m² | 50 m² | +27 m² +117% | 2025 |
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| 8, Grangewood Terrace681 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 145, Livingstone Road713 m away | 100 m² | 127 m² | +27 m² +27% | 2024 |
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| 12, Rothesay Road420 m away | 75 m² | 102 m² | +27 m² +36% | 2022 |
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| 15, The Drive357 m away | 90 m² | 117 m² | +27 m² +30% | 2021 |
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| 33, Bensham Manor Road779 m away | 78 m² | 105 m² | +27 m² +35% | 2018 |
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| 114, Beulah Road772 m away | 117 m² | 144 m² | +27 m² +23% | 2012 |
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| 133, Ross Road160 m away | 92 m² | 118 m² | +26 m² +28% | 2026 |
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| 255, Ross Road167 m away | 143 m² | 169 m² | +26 m² +18% | 2026 |
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| 20, Fernham Road788 m away | 66 m² | 92 m² | +26 m² +39% | 2025 |
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| 69, Whitehorse Lane231 m away | 72 m² | 98 m² | +26 m² +36% | 2024 |
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| 5, Grange Park Road404 m away | 119 m² | 145 m² | +26 m² +22% | 2024 |
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| 73, Grange Park Road293 m away | 94 m² | 120 m² | +26 m² +28% | 2022 |
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| Flat 17, Abbots Court, Claret Gardens393 m away | 40 m² | 66 m² | +26 m² +65% | 2022 |
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| 47, Grangecliffe Gardens692 m away | 98 m² | 124 m² | +26 m² +27% | 2021 |
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| 181, Ross Road0 m away | 110 m² | 136 m² | +26 m² +24% | 2020 |
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| 29, Woodvale Avenue843 m away | 127 m² | 153 m² | +26 m² +20% | 2020 |
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| Flat 2, 151, Selhurst Road743 m away | 93 m² | 119 m² | +26 m² +28% | 2019 |
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| Flat 1, 55, South Norwood Hill768 m away | 67 m² | 93 m² | +26 m² +39% | 2019 |
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| 361, Whitehorse Road499 m away | 95 m² | 121 m² | +26 m² +27% | 2018 |
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| 121a, Parchmore Road854 m away | 28 m² | 54 m² | +26 m² +93% | 2013 |
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| 49, Norbury Road677 m away | 64 m² | 90 m² | +26 m² +41% | 2012 |
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| 15, Zermatt Road979 m away | 84 m² | 109 m² | +25 m² +30% | 2026 |
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| 50, Parry Road178 m away | 106 m² | 131 m² | +25 m² +24% | 2025 |
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| 133, Holmesdale Road546 m away | 45 m² | 70 m² | +25 m² +56% | 2025 |
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| 164, Selhurst Road738 m away | 76 m² | 101 m² | +25 m² +33% | 2025 |
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| 253, Holmesdale Road589 m away | 52 m² | 77 m² | +25 m² +48% | 2024 |
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| Flat 2, 1, Burgoyne Road689 m away | 17 m² | 42 m² | +25 m² +147% | 2024 |
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| 7, Penrith Road915 m away | 71 m² | 96 m² | +25 m² +35% | 2023 |
|---|
| 44, Northbrook Road977 m away | 58 m² | 83 m² | +25 m² +43% | 2021 |
|---|
| 1, Dunkeld Road258 m away | 82 m² | 107 m² | +25 m² +30% | 2020 |
|---|
| 5, Broadway Avenue984 m away | 81 m² | 106 m² | +25 m² +31% | 2018 |
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| 82a, Beulah Road772 m away | 57 m² | 81 m² | +24 m² +42% | 2025 |
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| 39, Saxon Road920 m away | 51 m² | 75 m² | +24 m² +47% | 2025 |
|---|
| 100, Grange Park Road279 m away | 62 m² | 86 m² | +24 m² +39% | 2024 |
|---|
| 9, Huntly Road499 m away | 95 m² | 119 m² | +24 m² +25% | 2024 |
|---|
| 23, Grange Park Road404 m away | 44 m² | 68 m² | +24 m² +55% | 2023 |
|---|
| 167a, Moffat Road782 m away | 97 m² | 121 m² | +24 m² +25% | 2023 |
|---|
| 59, Woodville Road402 m away | 99 m² | 123 m² | +24 m² +24% | 2021 |
|---|
| 23, Wynton Gardens816 m away | 90 m² | 114 m² | +24 m² +27% | 2021 |
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| 138, Parchmore Road866 m away | 54 m² | 78 m² | +24 m² +44% | 2020 |
|---|
| 68, Charnwood Road633 m away | 70 m² | 94 m² | +24 m² +34% | 2018 |
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| 86, South Norwood Hill779 m away | 49 m² | 73 m² | +24 m² +49% | 2017 |
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| 96, Parchmore Road866 m away | 89 m² | 113 m² | +24 m² +27% | 2016 |
|---|
| 7, Dinsdale Gardens871 m away | 83 m² | 107 m² | +24 m² +29% | 2015 |
|---|
| 174, Livingstone Road685 m away | 91 m² | 115 m² | +24 m² +26% | 2014 |
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| 35, Farnley Road485 m away | 47 m² | 71 m² | +24 m² +51% | 2012 |
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| 11c, Oliver Avenue694 m away | 22 m² | 45 m² | +23 m² +105% | 2026 |
|---|
| 31, Gilsland Road489 m away | 73 m² | 96 m² | +23 m² +32% | 2025 |
|---|
| 71, Dixon Road540 m away | 98 m² | 121 m² | +23 m² +23% | 2025 |
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| 29, Mersham Road568 m away | 103 m² | 126 m² | +23 m² +22% | 2023 |
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| Flat 5, Applewood House, 17, Whitworth Road749 m away | 39 m² | 62 m² | +23 m² +59% | 2016 |
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| 159, Grange Road391 m away | 55 m² | 78 m² | +23 m² +42% | 2011 |
|---|
| 27, Prince Road653 m away | 29 m² | 52 m² | +23 m² +79% | 2009 |
|---|
| 32, Grangecliffe Gardens651 m away | 131 m² | 153 m² | +22 m² +17% | 2026 |
|---|
| 7, Gilsland Road489 m away | 71 m² | 93 m² | +22 m² +31% | 2025 |
|---|
| 156, South Norwood Hill716 m away | 31 m² | 53 m² | +22 m² +71% | 2024 |
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| 6, Gayfere Place844 m away | 113 m² | 135 m² | +22 m² +19% | 2024 |
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