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 4HL
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 |
|---|---|---|---|---|
| 41, Beck Lane960 m away | 89 m² | 220 m² | +131 m² +147% | 2023 |
| 11, Court Road889 m away | 100 m² | 196 m² | +96 m² +96% | 2022 |
| 41, Elmers End Road781 m away | 116 m² | 201 m² | +85 m² +73% | 2025 |
| 33, Sheringham Road450 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
| 71, Crowther Road869 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 115, Croydon Road778 m away | 261 m² | 329 m² | +68 m² +26% | 2017 |
| 22, Pittville Gardens559 m away | 123 m² | 189 m² | +66 m² +54% | 2024 |
| 29, Manor Road456 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
| 15, Warwick Road259 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.
| 114 m² |
| 179 m² |
| +65 m² +57% |
| 2021 |
| 19, Lincoln Road143 m away | 56 m² | 118 m² | +62 m² +111% | 2023 |
|---|
| 8, St Dunstans Road866 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
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| 206, Portland Road966 m away | 166 m² | 225 m² | +59 m² +36% | 2025 |
|---|
| 13, Birchanger Road953 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
|---|
| 171, Harrington Road295 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
|---|
| 120, Portland Road705 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
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| 35, Carmichael Road849 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 25, Addison Road519 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
|---|
| 1, Watcombe Road733 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
|---|
| 34, Pelham Road943 m away | 104 m² | 152 m² | +48 m² +46% | 2021 |
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| 56, Oakley Road861 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
|---|
| 62, Tremaine Road549 m away | 138 m² | 185 m² | +47 m² +34% | 2019 |
|---|
| 311, Blandford Road862 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
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| 386, Blandford Road912 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
|---|
| 29, Chartham Road30 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 29, Wheathill Road265 m away | 152 m² | 197 m² | +45 m² +30% | 2016 |
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| 86, Watcombe Road707 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
|---|
| 27, Carmichael Road849 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 3, Market Parade670 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
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| 29, Ash Grove852 m away | 85 m² | 128 m² | +43 m² +51% | 2022 |
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| 16, Waverley Road187 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
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| 57, Manor Road456 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 45, Hambrook Road0 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
|---|
| 235, Birkbeck Road841 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
|---|
| 30, Felmingham Road596 m away | 72 m² | 113 m² | +41 m² +57% | 2023 |
|---|
| 3, Warwick Road259 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
|---|
| 118a, Crowther Road839 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| 190, Portland Road966 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
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| 182, Harrington Road363 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
|---|
| 36, Pelham Road943 m away | 108 m² | 148 m² | +40 m² +37% | 2025 |
|---|
| 27, Brooklyn Road227 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| Flat 1, 5, Cargreen Road939 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 54, Westgate Road486 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
|---|
| 53, Stembridge Road438 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
|---|
| 11a, Balfour Road671 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
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| 31, Doyle Road673 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 3, Ferndale Road891 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
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| 22, Ferndale Road920 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 15, Camille Close225 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
|---|
| 23, Aylett Road618 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
|---|
| 14, Cargreen Road977 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
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| 135, Harrington Road295 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
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| 25, Westgate Road418 m away | 44 m² | 80 m² | +36 m² +82% | 2025 |
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| 15, Sandown Road763 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 70, Westgate Road486 m away | 87 m² | 123 m² | +36 m² +41% | 2012 |
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| 17, John Street483 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
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| 46, Watcombe Road707 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 129, Croydon Road778 m away | 227 m² | 262 m² | +35 m² +15% | 2024 |
|---|
| 120, Elmers End Road721 m away | 106 m² | 141 m² | +35 m² +33% | 2022 |
|---|
| 85, Dundee Road953 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
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| 4, Cambridge Road240 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
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| 16, Elmers End Road815 m away | 124 m² | 158 m² | +34 m² +27% | 2026 |
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| Flat 3, 22, Oliver Grove941 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
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| 39, Sandown Road763 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
|---|
| 21, Warwick Road259 m away | 107 m² | 141 m² | +34 m² +32% | 2023 |
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| 55, Brooklyn Road211 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
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| 87, Dundee Road953 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
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| 51, Harrington Road429 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 36, Camille Close225 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
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| 78, Cambridge Road240 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
|---|
| 28, Ferndale Road920 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
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| 143, Harrington Road295 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
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| 41, Waverley Road159 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
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| 6, Pembury Road535 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
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| Flat 3, 13, South Norwood Hill806 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
|---|
| 64, Cambridge Road240 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
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| 28, Bourdon Road650 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
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| 29, Pelham Road906 m away | 102 m² | 134 m² | +32 m² +31% | 2022 |
|---|
| 28, Oak Grove Road951 m away | 80 m² | 112 m² | +32 m² +40% | 2021 |
|---|
| 31, Oliver Grove941 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
|---|
| 31, Shinners Close780 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 58a, Crowther Road828 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
|---|
| 5, Piquet Road671 m away | 118 m² | 150 m² | +32 m² +27% | 2018 |
|---|
| 30, Stembridge Road402 m away | 85 m² | 117 m² | +32 m² +38% | 2013 |
|---|
| 72, Watcombe Road707 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
|---|
| 51, Chartham Road30 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
|---|
| 72a, Samos Road576 m away | 79 m² | 110 m² | +31 m² +39% | 2019 |
|---|
| 1, Wadhurst Close627 m away | 56 m² | 87 m² | +31 m² +55% | 2016 |
|---|
| 4, Silvermere Row824 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
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| 20, Warwick Road272 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
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| 9d, Warminster Road799 m away | 59 m² | 90 m² | +31 m² +53% | 2009 |
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| 105, Seymour Villas975 m away | 62 m² | 92 m² | +30 m² +48% | 2026 |
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| 58, Apsley Road511 m away | 71 m² | 101 m² | +30 m² +42% | 2022 |
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| 41, Arrol Road886 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
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| 27, Station Road824 m away | 44 m² | 74 m² | +30 m² +68% | 2012 |
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| 12, Cromer Road72 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
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| 65, Cambridge Road245 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
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| 3, Seymour Place566 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
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| 50, Stembridge Road402 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
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| 52, Watcombe Road707 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
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| 109, Elmers End Road756 m away | 51 m² | 79 m² | +28 m² +55% | 2023 |
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| 18, Eldon Park252 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
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| 6, Oakley Road861 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 4a, Tremaine Road549 m away | 53 m² | 80 m² | +27 m² +51% | 2023 |
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| 54, Apsley Road511 m away | 100 m² | 127 m² | +27 m² +27% | 2021 |
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| 43, Ferndale Road891 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
|---|
| 56, Selby Road516 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
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| Flat 1, 55, South Norwood Hill978 m away | 67 m² | 93 m² | +26 m² +39% | 2019 |
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| 24, Chartham Road70 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 33, Lancaster Road632 m away | 79 m² | 105 m² | +26 m² +33% | 2009 |
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| 31, Chartham Road30 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
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| 119 - 121, Portland Road582 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
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| 45, Watcombe Road733 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| 54, Warminster Road712 m away | 106 m² | 131 m² | +25 m² +24% | 2015 |
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| Flat 1, 156, Portland Road766 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| Flat 1, 45, Lincoln Road143 m away | 28 m² | 52 m² | +24 m² +86% | 2024 |
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| 1, Seymour Terrace885 m away | 138 m² | 162 m² | +24 m² +17% | 2024 |
|---|
| 87d, Albert Road388 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 114, Marlow Road395 m away | 99 m² | 123 m² | +24 m² +24% | 2020 |
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| 18, Piquet Road641 m away | 106 m² | 130 m² | +24 m² +23% | 2018 |
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| 86, South Norwood Hill988 m away | 49 m² | 73 m² | +24 m² +49% | 2017 |
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| Flat 3, Ridgway Court, 22, Lancaster Road806 m away | 38 m² | 62 m² | +24 m² +63% | 2016 |
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| 66, Cambridge Road240 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
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| 45, Lancaster Road865 m away | 132 m² | 155 m² | +23 m² +17% | 2025 |
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| 27, Ash Grove852 m away | 101 m² | 124 m² | +23 m² +23% | 2022 |
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| 147, Portland Road617 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Clifford Road728 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 7c, Eldon Park252 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 8, Lincoln Road105 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| 159, Portland Road692 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
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| 8c, Eldon Park252 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 20a, Ash Grove852 m away | 48 m² | 70 m² | +22 m² +46% | 2023 |
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| 35, Sheringham Road450 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
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| Flat 12, 143 - 145, Portland Road617 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
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| Flat 6b, Ellesmere Court, Seymour Villas804 m away | 70 m² | 92 m² | +22 m² +31% | 2017 |
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| Flat 15, Penceat Court, 17, Bourdon Road680 m away | 29 m² | 51 m² | +22 m² +76% | 2013 |
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| Flat 46, Wheathill House, Croydon Road432 m away | 66 m² | 88 m² | +22 m² +33% | 2012 |
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| 51, Selby Road516 m away | 99 m² | 120 m² | +21 m² +21% | 2023 |
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| 55, Apsley Road511 m away | 65 m² | 86 m² | +21 m² +32% | 2022 |
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| 38, Camille Close225 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
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| 26, Felmingham Road596 m away | 75 m² | 96 m² | +21 m² +28% | 2021 |
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| 88, Watcombe Road707 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
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| 133, Elmers End Road756 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
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| 30, Piquet Road641 m away | 83 m² | 104 m² | +21 m² +25% | 2018 |
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| 243, Ravenscroft Road829 m away | 63 m² | 83 m² | +20 m² +32% | 2022 |
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| 220b, Birkbeck Road839 m away | 21 m² | 41 m² | +20 m² +95% | 2020 |
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| 11a, Seymour Place566 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
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| 79, Beck Lane960 m away | 92 m² | 112 m² | +20 m² +22% | 2019 |
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| 156, Albert Road603 m away | 64 m² | 84 m² | +20 m² +31% | 2016 |
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| 18, Cresswell Road434 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
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| 26, Lonsdale Road213 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
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| 39, Cambridge Road245 m away | 93 m² | 113 m² | +20 m² +22% | 2012 |
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| 14, Holland Road752 m away | 44 m² | 64 m² | +20 m² +45% | 2009 |
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| 34, Westgate Road486 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| 6a, Holmesdale Close964 m away | 39 m² | 58 m² | +19 m² +49% | 2025 |
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| 18, Adair Close141 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
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| 22, Lonsdale Road213 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
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| 57, Penge Road414 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
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| 5, Cranleigh Close858 m away | 38 m² | 57 m² | +19 m² +50% | 2014 |
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| Flat 7, Alder Court, 30, Portland Road635 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
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| Flat 6, Drake Court, Warminster Road840 m away | 48 m² | 67 m² | +19 m² +40% | 2012 |
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| Flat 1, 28, South Norwood Hill795 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 193, Elmers End Road874 m away | 102 m² | 120 m² | +18 m² +18% | 2024 |
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| 26a, Felmingham Road596 m away | 47 m² | 65 m² | +18 m² +38% | 2023 |
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| 76a, High Street741 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
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| 101, Tovil Close618 m away | 82 m² | 100 m² | +18 m² +22% | 2019 |
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| 14, Lawrence Road985 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
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| 56, South Norwood Hill859 m away | 105 m² | 123 m² | +18 m² +17% | 2015 |
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| 2, Aylett Road618 m away | 74 m² | 92 m² | +18 m² +24% | 2013 |
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| Flat 12, Ellesmere Court, Seymour Villas804 m away | 69 m² | 87 m² | +18 m² +26% | 2012 |
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| 21, Apsley Road511 m away | 101 m² | 119 m² | +18 m² +18% | 2010 |
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| Flat 2, Warwick House, 25, South Norwood Hill901 m away | 20 m² | 38 m² | +18 m² +90% | 2010 |
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| 89, Lancaster Road865 m away | 93 m² | 110 m² | +17 m² +18% | 2025 |
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| 31, Clifford Road728 m away | 65 m² | 82 m² | +17 m² +26% | 2024 |
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| 9, Denmark Road812 m away | 70 m² | 87 m² | +17 m² +24% | 2023 |
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| 4, Shirley Row835 m away | 99 m² | 116 m² | +17 m² +17% | 2023 |
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| 3, Arrol Road886 m away | 92 m² | 109 m² | +17 m² +18% | 2023 |
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| 2, Pittville Gardens559 m away | 92 m² | 109 m² | +17 m² +18% | 2022 |
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| Flat C, 7, Chalfont Road780 m away | 32 m² | 49 m² | +17 m² +53% | 2022 |
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| 10, Birchanger Road972 m away | 37 m² | 54 m² | +17 m² +46% | 2022 |
|---|
| 56, Cambridge Road240 m away | 90 m² | 107 m² | +17 m² +19% | 2018 |
|---|
| 30a, High Street658 m away | 74 m² | 91 m² | +17 m² +23% | 2016 |
|---|
| 47a, Marlow Road504 m away | 72 m² | 89 m² | +17 m² +24% | 2015 |
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| Flat 1, Eldon Court, Eldon Park319 m away | 57 m² | 74 m² | +17 m² +30% | 2014 |
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| Flat 1, 30a, Station Road844 m away | 38 m² | 55 m² | +17 m² +45% | 2011 |
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| 9a, Chalfont Road780 m away | 41 m² | 57 m² | +16 m² +39% | 2025 |
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| 51, Hambrook Road0 m away | 68 m² | 84 m² | +16 m² +24% | 2024 |
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| 400, Blandford Road912 m away | 85 m² | 101 m² | +16 m² +19% | 2024 |
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| Regal House, 28a, Kings Road289 m away | 49 m² | 65 m² | +16 m² +33% | 2023 |
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| 1 Grace Mews, 40, Marlow Road597 m away | 92 m² | 108 m² | +16 m² +17% | 2021 |
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| 14, Watcombe Road707 m away | 37 m² | 53 m² | +16 m² +43% | 2020 |
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| Flat 4, 141, Croydon Road778 m away | 41 m² | 57 m² | +16 m² +39% | 2020 |
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| 11, Ferndale Road891 m away | 90 m² | 106 m² | +16 m² +18% | 2019 |
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| 1, Thornsett Terrace481 m away | 80 m² | 96 m² | +16 m² +20% | 2018 |
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| 259a, Mackenzie Road867 m away | 65 m² | 81 m² | +16 m² +25% | 2016 |
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| 13, Hambrook Road0 m away | 84 m² | 100 m² | +16 m² +19% | 2015 |
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| 4, Farley Place676 m away | 67 m² | 83 m² | +16 m² +24% | 2014 |
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| 231e, Selhurst Road961 m away | 84 m² | 100 m² | +16 m² +19% | 2014 |
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| 13, Oak Grove Road983 m away | 85 m² | 101 m² | +16 m² +19% | 2014 |
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| 6, Addison Road519 m away | 55 m² | 71 m² | +16 m² +29% | 2012 |
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| 2, Notson Road638 m away | 83 m² | 99 m² | +16 m² +19% | 2012 |
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