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 6LT
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 Park429 m away | 111 m² | 208 m² | +97 m² +87% | 2022 |
| 335, Davidson Road811 m away | 112 m² | 198 m² | +86 m² +77% | 2021 |
| 243, Ross Road885 m away | 102 m² | 187 m² | +85 m² +83% | 2014 |
| 214, Whitehorse Road958 m away | 97 m² | 180 m² | +83 m² +86% | 2025 |
| 85, Norhyrst Avenue986 m away | 93 m² | 176 m² | +83 m² +89% | 2022 |
| 15, Tennison Road223 m away | 121 m² | 201 m² | +80 m² +66% | 2021 |
| 71, Crowther Road747 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 15, Prince Road303 m away | 164 m² | 235 m² | +71 m² +43% | 2023 |
| 73, Whitehorse Lane662 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.
| 70 m² |
| 139 m² |
| +69 m² +99% |
| 2025 |
| 51, High Street965 m away | 42 m² | 105 m² | +63 m² +150% | 2008 |
|---|
| 2, Dunkeld Road843 m away | 89 m² | 151 m² | +62 m² +70% | 2025 |
|---|
| 8, St Dunstans Road653 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
|---|
| 14, Saxon Road626 m away | 92 m² | 153 m² | +61 m² +66% | 2020 |
|---|
| 145, Whitehorse Lane609 m away | 85 m² | 143 m² | +58 m² +68% | 2021 |
|---|
| 13, Birchanger Road646 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
|---|
| 139, Ross Road937 m away | 97 m² | 153 m² | +56 m² +58% | 2014 |
|---|
| 48, Enmore Road806 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
|---|
| 29, Gillett Road998 m away | 42 m² | 95 m² | +53 m² +126% | 2022 |
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| 23, Norhyrst Avenue986 m away | 96 m² | 149 m² | +53 m² +55% | 2020 |
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| 35, Carmichael Road621 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
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| 529, Davidson Road612 m away | 85 m² | 137 m² | +52 m² +61% | 2022 |
|---|
| 46, Tennison Road164 m away | 62 m² | 113 m² | +51 m² +82% | 2022 |
|---|
| 18, Broadway Avenue764 m away | 56 m² | 107 m² | +51 m² +91% | 2019 |
|---|
| 25, Addison Road947 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
|---|
| 16, Upper Grove358 m away | 40 m² | 90 m² | +50 m² +125% | 2010 |
|---|
| 226, Whitehorse Lane672 m away | 92 m² | 141 m² | +49 m² +53% | 2024 |
|---|
| 27, Carmichael Road621 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 654, Davidson Road561 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
|---|
| 155, Tennison Road612 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
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| 25, Nugent Road884 m away | 74 m² | 117 m² | +43 m² +58% | 2022 |
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| 227, Whitehorse Road942 m away | 55 m² | 98 m² | +43 m² +78% | 2017 |
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| 5b, Farnley Road480 m away | 61 m² | 103 m² | +42 m² +69% | 2026 |
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| 34, Bungalow Road282 m away | 81 m² | 123 m² | +42 m² +52% | 2022 |
|---|
| 90, Birchanger Road761 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
|---|
| 54, Dagnall Park429 m away | 118 m² | 159 m² | +41 m² +35% | 2024 |
|---|
| 9, St Marys Road793 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
|---|
| 118a, Crowther Road824 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| Flat 1, 5, Cargreen Road493 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 16, Hurlstone Road458 m away | 96 m² | 136 m² | +40 m² +42% | 2022 |
|---|
| 58, Enmore Road806 m away | 38 m² | 77 m² | +39 m² +103% | 2021 |
|---|
| 192, Whitehorse Lane672 m away | 90 m² | 129 m² | +39 m² +43% | 2020 |
|---|
| 40, Ladbrook Road768 m away | 86 m² | 125 m² | +39 m² +45% | 2020 |
|---|
| 97, Dagnall Park429 m away | 108 m² | 147 m² | +39 m² +36% | 2018 |
|---|
| 31, Doyle Road760 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
|---|
| 11a, Balfour Road834 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
|---|
| 127, Birchanger Road902 m away | 34 m² | 73 m² | +39 m² +115% | 2011 |
|---|
| 23, Percy Road558 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
|---|
| 13, Parry Road820 m away | 70 m² | 107 m² | +37 m² +53% | 2026 |
|---|
| 14, Cargreen Road453 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
|---|
| 28, Holmewood Road650 m away | 101 m² | 138 m² | +37 m² +37% | 2020 |
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| 31, Canham Road928 m away | 118 m² | 155 m² | +37 m² +31% | 2017 |
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| 14, Elm Road948 m away | 88 m² | 124 m² | +36 m² +41% | 2024 |
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| 343, Davidson Road811 m away | 91 m² | 127 m² | +36 m² +40% | 2020 |
|---|
| 2, Dagnall Park673 m away | 35 m² | 71 m² | +36 m² +103% | 2013 |
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| 17, John Street955 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
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| 249, Holmesdale Road452 m away | 148 m² | 183 m² | +35 m² +24% | 2025 |
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| 39, The Crescent828 m away | 88 m² | 123 m² | +35 m² +40% | 2022 |
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| 436, Davidson Road689 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
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| 14, Rothesay Road544 m away | 64 m² | 99 m² | +35 m² +55% | 2019 |
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| Flat 3, 22, Oliver Grove594 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
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| 581, Davidson Road549 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
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| 34, Whitworth Road630 m away | 181 m² | 215 m² | +34 m² +19% | 2014 |
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| 488, Davidson Road689 m away | 91 m² | 124 m² | +33 m² +36% | 2026 |
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| 55, Edith Road693 m away | 47 m² | 80 m² | +33 m² +70% | 2026 |
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| 5, Homewood Gardens376 m away | 55 m² | 88 m² | +33 m² +60% | 2020 |
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| 7, Dagmar Road380 m away | 65 m² | 98 m² | +33 m² +51% | 2020 |
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| 21, Gilsland Road871 m away | 61 m² | 94 m² | +33 m² +54% | 2018 |
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| Flat 3, 13, South Norwood Hill761 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
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| 6, Pembury Road953 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
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| 66, Dagnall Park429 m away | 116 m² | 148 m² | +32 m² +28% | 2025 |
|---|
| 14, St Marys Road793 m away | 61 m² | 93 m² | +32 m² +52% | 2023 |
|---|
| Flat 3, 18, Upper Grove358 m away | 56 m² | 88 m² | +32 m² +57% | 2021 |
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| 31, Oliver Grove594 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
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| 58a, Crowther Road695 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
|---|
| 26, Whitehorse Lane729 m away | 96 m² | 128 m² | +32 m² +33% | 2019 |
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| 31, Shinners Close813 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 27, Guildford Road946 m away | 70 m² | 102 m² | +32 m² +46% | 2019 |
|---|
| 57, Bensham Manor Road993 m away | 135 m² | 167 m² | +32 m² +24% | 2019 |
|---|
| 428, Sydenham Road910 m away | 57 m² | 89 m² | +32 m² +56% | 2016 |
|---|
| 49, Birchanger Road719 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
|---|
| 12, Canham Road820 m away | 93 m² | 124 m² | +31 m² +33% | 2025 |
|---|
| 34, Michael Road892 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
|---|
| 310, Whitehorse Lane948 m away | 120 m² | 151 m² | +31 m² +26% | 2025 |
|---|
| 18, Mayo Road965 m away | 63 m² | 94 m² | +31 m² +49% | 2024 |
|---|
| 63a, Whitworth Road691 m away | 71 m² | 102 m² | +31 m² +44% | 2019 |
|---|
| Flat 2, 19, Edith Road693 m away | 60 m² | 91 m² | +31 m² +52% | 2019 |
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| 35, Holmewood Road671 m away | 99 m² | 130 m² | +31 m² +31% | 2016 |
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| 93, Northcote Road913 m away | 103 m² | 133 m² | +30 m² +29% | 2026 |
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| 239, Ross Road885 m away | 109 m² | 139 m² | +30 m² +28% | 2025 |
|---|
| 34, Elm Park Road826 m away | 107 m² | 137 m² | +30 m² +28% | 2024 |
|---|
| 23, Michael Road862 m away | 82 m² | 112 m² | +30 m² +37% | 2023 |
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| 13, Beckford Road988 m away | 88 m² | 118 m² | +30 m² +34% | 2019 |
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| 4, Selhurst Place856 m away | 86 m² | 116 m² | +30 m² +35% | 2018 |
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| 49, Zion Road784 m away | 60 m² | 90 m² | +30 m² +50% | 2015 |
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| Flat 2, 131, Holmesdale Road390 m away | 53 m² | 83 m² | +30 m² +57% | 2010 |
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| 374, Sydenham Road910 m away | 96 m² | 125 m² | +29 m² +30% | 2024 |
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| 294, Whitehorse Lane948 m away | 104 m² | 133 m² | +29 m² +28% | 2024 |
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| 12, Prince Road303 m away | 56 m² | 85 m² | +29 m² +52% | 2023 |
|---|
| 35, Gilsland Road871 m away | 79 m² | 108 m² | +29 m² +37% | 2021 |
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| 18, Nursery Road853 m away | 82 m² | 111 m² | +29 m² +35% | 2020 |
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| 81, Tennison Road223 m away | 103 m² | 131 m² | +28 m² +27% | 2025 |
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| 38, Davies Close954 m away | 20 m² | 48 m² | +28 m² +140% | 2020 |
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| 2, Sangley Court, Sangley Road551 m away | 72 m² | 100 m² | +28 m² +39% | 2017 |
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| 391, Whitehorse Road747 m away | 80 m² | 108 m² | +28 m² +35% | 2015 |
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| Flat 2, Tomlins Court, South Norwood Hill903 m away | 67 m² | 95 m² | +28 m² +42% | 2011 |
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| 410, Whitehorse Road733 m away | 65 m² | 93 m² | +28 m² +43% | 2010 |
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| Flat 2, 13, Walters Road222 m away | 23 m² | 50 m² | +27 m² +117% | 2025 |
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| 20, Rothesay Road544 m away | 72 m² | 99 m² | +27 m² +38% | 2025 |
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| 88, Birchanger Road761 m away | 47 m² | 74 m² | +27 m² +57% | 2025 |
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| 21, Sidney Road579 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 12, Rothesay Road544 m away | 75 m² | 102 m² | +27 m² +36% | 2022 |
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| 33, Bensham Manor Road852 m away | 78 m² | 105 m² | +27 m² +35% | 2018 |
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| Acacia Cottage, Princess Road993 m away | 23 m² | 50 m² | +27 m² +117% | 2017 |
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| 255, Ross Road885 m away | 143 m² | 169 m² | +26 m² +18% | 2026 |
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| 133, Ross Road937 m away | 92 m² | 118 m² | +26 m² +28% | 2026 |
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| 69, Whitehorse Lane662 m away | 72 m² | 98 m² | +26 m² +36% | 2024 |
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| 389, Davidson Road811 m away | 84 m² | 110 m² | +26 m² +31% | 2023 |
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| Flat 17, Abbots Court, Claret Gardens630 m away | 40 m² | 66 m² | +26 m² +65% | 2022 |
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| 181, Ross Road871 m away | 110 m² | 136 m² | +26 m² +24% | 2020 |
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| Flat 1, 234, Whitehorse Road958 m away | 54 m² | 80 m² | +26 m² +48% | 2020 |
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| Flat 2, 151, Selhurst Road217 m away | 93 m² | 119 m² | +26 m² +28% | 2019 |
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| Flat 1, 55, South Norwood Hill855 m away | 67 m² | 93 m² | +26 m² +39% | 2019 |
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| 361, Whitehorse Road747 m away | 95 m² | 121 m² | +26 m² +27% | 2018 |
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| 33, The Crescent828 m away | 142 m² | 168 m² | +26 m² +18% | 2018 |
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| 223, Whitehorse Road942 m away | 105 m² | 130 m² | +25 m² +24% | 2026 |
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| 164, Selhurst Road145 m away | 76 m² | 101 m² | +25 m² +33% | 2025 |
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| 133, Holmesdale Road390 m away | 45 m² | 70 m² | +25 m² +56% | 2025 |
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| 50, Parry Road820 m away | 106 m² | 131 m² | +25 m² +24% | 2025 |
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| Flat 2, 1, Burgoyne Road415 m away | 17 m² | 42 m² | +25 m² +147% | 2024 |
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| 253, Holmesdale Road452 m away | 52 m² | 77 m² | +25 m² +48% | 2024 |
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| 44, Northbrook Road910 m away | 58 m² | 83 m² | +25 m² +43% | 2021 |
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| 51, Enmore Road806 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 1, Dunkeld Road843 m away | 82 m² | 107 m² | +25 m² +30% | 2020 |
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| 5, Broadway Avenue764 m away | 81 m² | 106 m² | +25 m² +31% | 2018 |
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| 15, Brampton Road895 m away | 84 m² | 109 m² | +25 m² +30% | 2017 |
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| 31, Westbourne Road827 m away | 90 m² | 115 m² | +25 m² +28% | 2014 |
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| 26, Station Road586 m away | 35 m² | 60 m² | +25 m² +71% | 2010 |
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| 589, Davidson Road549 m away | 88 m² | 112 m² | +24 m² +27% | 2025 |
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| 39, Saxon Road626 m away | 51 m² | 75 m² | +24 m² +47% | 2025 |
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| 9, Huntly Road574 m away | 95 m² | 119 m² | +24 m² +25% | 2024 |
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| 23, Wynton Gardens102 m away | 90 m² | 114 m² | +24 m² +27% | 2021 |
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| 68, Charnwood Road562 m away | 70 m² | 94 m² | +24 m² +34% | 2018 |
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| 86, South Norwood Hill921 m away | 49 m² | 73 m² | +24 m² +49% | 2017 |
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| 7, Dinsdale Gardens0 m away | 83 m² | 107 m² | +24 m² +29% | 2015 |
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| 26, Laurier Road988 m away | 78 m² | 102 m² | +24 m² +31% | 2015 |
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| 35, Farnley Road539 m away | 47 m² | 71 m² | +24 m² +51% | 2012 |
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| 11c, Oliver Avenue643 m away | 22 m² | 45 m² | +23 m² +105% | 2026 |
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| 71, Dixon Road809 m away | 98 m² | 121 m² | +23 m² +23% | 2025 |
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| 31, Gilsland Road871 m away | 73 m² | 96 m² | +23 m² +32% | 2025 |
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| 620, Davidson Road561 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
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| Flat 2, 73, Selhurst Road582 m away | 24 m² | 47 m² | +23 m² +96% | 2021 |
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| 14, Clifford Road702 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| Flat 5, Applewood House, 17, Whitworth Road510 m away | 39 m² | 62 m² | +23 m² +59% | 2016 |
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| Flat A, 63, Birchanger Road719 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
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| 27, Prince Road303 m away | 29 m² | 52 m² | +23 m² +79% | 2009 |
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| 7, Gilsland Road871 m away | 71 m² | 93 m² | +22 m² +31% | 2025 |
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| 563, Davidson Road549 m away | 87 m² | 109 m² | +22 m² +25% | 2024 |
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| 61, Whitehorse Lane662 m away | 78 m² | 100 m² | +22 m² +28% | 2022 |
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| 25, Westbourne Road827 m away | 72 m² | 94 m² | +22 m² +31% | 2022 |
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| 3, Wynton Gardens102 m away | 100 m² | 122 m² | +22 m² +22% | 2019 |
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| 18a, Dagnall Park673 m away | 52 m² | 74 m² | +22 m² +42% | 2019 |
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| 110, Clifton Road436 m away | 86 m² | 108 m² | +22 m² +26% | 2017 |
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| 221c, Whitehorse Lane697 m away | 78 m² | 100 m² | +22 m² +28% | 2017 |
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| Flat 2, Malton House, 193, Selhurst Road224 m away | 39 m² | 61 m² | +22 m² +56% | 2016 |
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| 21, Percy Road558 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
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| 57c, South Norwood Hill971 m away | 34 m² | 56 m² | +22 m² +65% | 2015 |
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| Flat 1, 50, Whitworth Road691 m away | 43 m² | 65 m² | +22 m² +51% | 2014 |
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| Flat 1, 13, Walters Road222 m away | 54 m² | 75 m² | +21 m² +39% | 2026 |
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| 54, Watson Place320 m away | 85 m² | 106 m² | +21 m² +25% | 2026 |
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| 82, Charnwood Road562 m away | 92 m² | 113 m² | +21 m² +23% | 2024 |
|---|
| 5a, Park Road286 m away | 60 m² | 81 m² | +21 m² +35% | 2022 |
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| 236, Gloucester Road848 m away | 47 m² | 68 m² | +21 m² +45% | 2019 |
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| 7, Broadway Avenue764 m away | 85 m² | 106 m² | +21 m² +25% | 2018 |
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| Flat 1, 249, Whitehorse Lane761 m away | 40 m² | 61 m² | +21 m² +53% | 2012 |
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| Flat 5, 153, Selhurst Road217 m away | 35 m² | 56 m² | +21 m² +60% | 2011 |
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| 45, Percy Road558 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
|---|
| 21, Parry Road820 m away | 88 m² | 108 m² | +20 m² +23% | 2024 |
|---|
| 149, Beckford Road748 m away | 89 m² | 109 m² | +20 m² +22% | 2022 |
|---|
| Flat 2, 141, Selhurst Road217 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
|---|
| 61a, Bensham Manor Road993 m away | 53 m² | 73 m² | +20 m² +38% | 2018 |
|---|
| 2, Rothesay Road544 m away | 64 m² | 84 m² | +20 m² +31% | 2017 |
|---|
| 110, Birchanger Road761 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
|---|
| Flat 4, 10, Whitworth Road510 m away | 43 m² | 62 m² | +19 m² +44% | 2026 |
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| 6a, Holmesdale Close721 m away | 39 m² | 58 m² | +19 m² +49% | 2025 |
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| 3, Zion Place750 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
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| 25a, Mayo Road965 m away | 74 m² | 93 m² | +19 m² +26% | 2025 |
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| 19, Guildford Road946 m away | 70 m² | 89 m² | +19 m² +27% | 2024 |
|---|
| 573, Davidson Road549 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
|---|
| 10, Canham Road820 m away | 80 m² | 99 m² | +19 m² +24% | 2019 |
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| 16a, The Retreat940 m away | 51 m² | 70 m² | +19 m² +37% | 2019 |
|---|
| 6b, Tennison Road171 m away | 91 m² | 110 m² | +19 m² +21% | 2015 |
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| 12, Upper Grove358 m away | 43 m² | 62 m² | +19 m² +44% | 2015 |
|---|
| 49, Willow Wood Crescent698 m away | 85 m² | 104 m² | +19 m² +22% | 2014 |
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| Flat 7, Alder Court, 30, Portland Road794 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
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| 367, Sydenham Road977 m away | 64 m² | 83 m² | +19 m² +30% | 2011 |
|---|
| Flat 1, 28, South Norwood Hill818 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
|---|
| 76a, High Street727 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
|---|
| 157, Whitehorse Lane609 m away | 107 m² | 125 m² | +18 m² +17% | 2020 |
|---|
| 190, Whitehorse Lane672 m away | 77 m² | 95 m² | +18 m² +23% | 2020 |
|---|
| 17, Hardcastle Close834 m away | 39 m² | 57 m² | +18 m² +46% | 2020 |
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