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 4LX
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 |
|---|---|---|---|---|
| 15, Tennison Road954 m away | 121 m² | 201 m² | +80 m² +66% | 2021 |
| 33, Sheringham Road836 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
| 71, Crowther Road475 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 22, Pittville Gardens785 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 Road654 m away | 114 m² | 179 m² | +65 m² +57% | 2021 |
| 19, Lincoln Road355 m away | 56 m² | 118 m² | +62 m² +111% | 2023 |
| 8, St Dunstans Road747 m away | 96 m² | 157 m² | +61 m² +64% | 2026 |
| 206, Portland Road547 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.
| 166 m² |
| 225 m² |
| +59 m² +36% |
| 2025 |
| 13, Birchanger Road573 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
|---|
| 171, Harrington Road250 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
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| 16, Southcote Road822 m away | 92 m² | 148 m² | +56 m² +61% | 2020 |
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| 120, Portland Road276 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
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| 48, Enmore Road581 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
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| 35, Carmichael Road529 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 25, Addison Road223 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
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| 1, Watcombe Road340 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
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| 56, Oakley Road472 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
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| 18, Cobden Road627 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 62, Tremaine Road977 m away | 138 m² | 185 m² | +47 m² +34% | 2019 |
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| 58, Enmore Road581 m away | 31 m² | 77 m² | +46 m² +148% | 2021 |
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| 31a, Southcote Road822 m away | 45 m² | 91 m² | +46 m² +102% | 2020 |
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| 24, Cumberland Road847 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
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| 29, Chartham Road409 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 1, Tudor Road807 m away | 92 m² | 137 m² | +45 m² +49% | 2020 |
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| 29, Wheathill Road686 m away | 152 m² | 197 m² | +45 m² +30% | 2016 |
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| 86, Watcombe Road312 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
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| 27, Carmichael Road529 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
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| 117, Estcourt Road891 m away | 86 m² | 130 m² | +44 m² +51% | 2023 |
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| 3, Market Parade242 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
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| 67, Grasmere Road716 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
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| 65, Grasmere Road716 m away | 35 m² | 78 m² | +43 m² +123% | 2025 |
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| 654, Davidson Road867 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
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| 155, Tennison Road712 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
|---|
| 16, Waverley Road324 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
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| 90, Birchanger Road696 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
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| 57, Manor Road456 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 45, Hambrook Road429 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
|---|
| 30, Felmingham Road980 m away | 72 m² | 113 m² | +41 m² +57% | 2023 |
|---|
| 3, Warwick Road654 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
|---|
| 321, Portland Road743 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 118a, Crowther Road429 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| 107, Howard Road762 m away | 83 m² | 124 m² | +41 m² +49% | 2013 |
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| 190, Portland Road547 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
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| 182, Harrington Road388 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
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| 27, Brooklyn Road266 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| Flat 1, 5, Cargreen Road671 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 54, Westgate Road214 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
|---|
| 53, Stembridge Road867 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
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| 6, Southcote Road822 m away | 102 m² | 141 m² | +39 m² +38% | 2024 |
|---|
| 10, Estcourt Road999 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 11a, Balfour Road317 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
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| 31, Doyle Road425 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 127, Birchanger Road784 m away | 34 m² | 73 m² | +39 m² +115% | 2011 |
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| 3, Ferndale Road503 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
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| 22, Ferndale Road533 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 77, Cobden Road662 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
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| 23, Percy Road690 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
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| 55, Denmark Road582 m away | 105 m² | 143 m² | +38 m² +36% | 2014 |
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| 15, Camille Close532 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
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| 23, Aylett Road244 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
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| 14, Cargreen Road714 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
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| 25, Westgate Road224 m away | 44 m² | 80 m² | +36 m² +82% | 2025 |
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| 135, Harrington Road250 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
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| 15, Sandown Road372 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
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| Flat 3, 248, Portland Road744 m away | 31 m² | 67 m² | +36 m² +116% | 2025 |
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| 70, Westgate Road214 m away | 87 m² | 123 m² | +36 m² +41% | 2012 |
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| 17, John Street268 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
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| 12, Estcourt Road999 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
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| 46, Watcombe Road312 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 85, Dundee Road569 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
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| 4, Cambridge Road617 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
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| Flat 3, 22, Oliver Grove811 m away | 49 m² | 83 m² | +34 m² +69% | 2026 |
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| 39, Sandown Road372 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
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| 21, Warwick Road654 m away | 107 m² | 141 m² | +34 m² +32% | 2023 |
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| 581, Davidson Road1000 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
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| 55, Brooklyn Road385 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
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| 101, Cobden Road662 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
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| 87, Dundee Road569 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
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| 93, Cobden Road662 m away | 95 m² | 128 m² | +33 m² +35% | 2026 |
|---|
| 88, Estcourt Road933 m away | 57 m² | 90 m² | +33 m² +58% | 2024 |
|---|
| 51, Harrington Road0 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 36, Camille Close532 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
|---|
| 28, Ferndale Road533 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
|---|
| 78, Cambridge Road617 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
|---|
| 143, Harrington Road250 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
|---|
| 6, Pembury Road203 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
|---|
| 41, Waverley Road332 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
|---|
| Flat 3, 13, South Norwood Hill744 m away | 31 m² | 63 m² | +32 m² +103% | 2026 |
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| 64, Cambridge Road617 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
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| 31, Oliver Grove811 m away | 33 m² | 65 m² | +32 m² +97% | 2020 |
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| 31, Shinners Close385 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
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| 58a, Crowther Road470 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
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| 30, Stembridge Road831 m away | 85 m² | 117 m² | +32 m² +38% | 2013 |
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| 49, Birchanger Road595 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
|---|
| 72, Watcombe Road312 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
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| 51, Chartham Road409 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
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| 33, Southcote Road822 m away | 87 m² | 118 m² | +31 m² +36% | 2019 |
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| 72a, Samos Road994 m away | 79 m² | 110 m² | +31 m² +39% | 2019 |
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| 20, Warwick Road647 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
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| 281, Albert Road730 m away | 70 m² | 101 m² | +31 m² +44% | 2014 |
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| 28, Woodside Avenue738 m away | 99 m² | 129 m² | +30 m² +30% | 2024 |
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| 111, Howard Road762 m away | 56 m² | 86 m² | +30 m² +54% | 2024 |
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| 84, Belmont Road672 m away | 80 m² | 110 m² | +30 m² +38% | 2023 |
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| 58, Apsley Road94 m away | 71 m² | 101 m² | +30 m² +42% | 2022 |
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| 27, Station Road617 m away | 44 m² | 74 m² | +30 m² +68% | 2012 |
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| 4, Southcote Road822 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 35, Southcote Road822 m away | 99 m² | 128 m² | +29 m² +29% | 2023 |
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| 12, Cromer Road464 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
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| 65, Cambridge Road638 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
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| 3, Seymour Place163 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
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| 50, Stembridge Road831 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
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| 81, Tennison Road954 m away | 103 m² | 131 m² | +28 m² +27% | 2025 |
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| 52, Watcombe Road312 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
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| 18, Eldon Park219 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
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| 88, Birchanger Road696 m away | 47 m² | 74 m² | +27 m² +57% | 2025 |
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| 6, Oakley Road472 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 21, Sidney Road641 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 4a, Tremaine Road977 m away | 53 m² | 80 m² | +27 m² +51% | 2023 |
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| 54, Apsley Road94 m away | 100 m² | 127 m² | +27 m² +27% | 2021 |
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| 43, Ferndale Road503 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
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| 56, Selby Road859 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
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| Flat 1, 55, South Norwood Hill986 m away | 67 m² | 93 m² | +26 m² +39% | 2019 |
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| 24, Chartham Road365 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 33, Lancaster Road718 m away | 79 m² | 105 m² | +26 m² +33% | 2009 |
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| 31, Chartham Road409 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
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| 42, Macclesfield Road853 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
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| 15, Woodside Park795 m away | 95 m² | 120 m² | +25 m² +26% | 2024 |
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| Flat 2, 1, Burgoyne Road999 m away | 17 m² | 42 m² | +25 m² +147% | 2024 |
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| 119 - 121, Portland Road287 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
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| 5a, Woodside Avenue756 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
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| 45, Watcombe Road340 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| 51, Enmore Road581 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 234, Portland Road744 m away | 44 m² | 69 m² | +25 m² +57% | 2020 |
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| 54, Warminster Road970 m away | 106 m² | 131 m² | +25 m² +24% | 2015 |
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| Flat 1, 156, Portland Road338 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| 589, Davidson Road1000 m away | 88 m² | 112 m² | +24 m² +27% | 2025 |
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| Flat 1, 45, Lincoln Road355 m away | 28 m² | 52 m² | +24 m² +86% | 2024 |
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| 87d, Albert Road224 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 114, Marlow Road815 m away | 99 m² | 123 m² | +24 m² +24% | 2020 |
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| Flat 3, Ridgway Court, 22, Lancaster Road969 m away | 38 m² | 62 m² | +24 m² +63% | 2016 |
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| 66, Cambridge Road617 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
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| 84, Macclesfield Road744 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
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| Flat 3, 30, Howard Road762 m away | 50 m² | 73 m² | +23 m² +46% | 2026 |
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| 11c, Oliver Avenue970 m away | 22 m² | 45 m² | +23 m² +105% | 2026 |
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| 620, Davidson Road867 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
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| 147, Portland Road193 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Clifford Road491 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 7c, Eldon Park219 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 8, Lincoln Road391 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| Flat 5, Applewood House, 17, Whitworth Road914 m away | 39 m² | 62 m² | +23 m² +59% | 2016 |
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| Flat A, 63, Birchanger Road595 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
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| 159, Portland Road264 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
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| 563, Davidson Road1000 m away | 87 m² | 109 m² | +22 m² +25% | 2024 |
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| 8c, Eldon Park219 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 35, Sheringham Road836 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
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| Flat 12, 143 - 145, Portland Road193 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
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| 21, Percy Road690 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
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| Flat 46, Wheathill House, Croydon Road833 m away | 66 m² | 88 m² | +22 m² +33% | 2012 |
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| 51, Selby Road859 m away | 99 m² | 120 m² | +21 m² +21% | 2023 |
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| 55, Apsley Road94 m away | 65 m² | 86 m² | +21 m² +32% | 2022 |
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| 88, Watcombe Road312 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
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| 38, Camille Close532 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
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| 26, Felmingham Road980 m away | 75 m² | 96 m² | +21 m² +28% | 2021 |
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| 119, Estcourt Road891 m away | 80 m² | 101 m² | +21 m² +26% | 2019 |
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| 45, Percy Road690 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
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| 52, Grasmere Road732 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
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| 11a, Seymour Place163 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
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| 156, Albert Road260 m away | 64 m² | 84 m² | +20 m² +31% | 2016 |
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| 110, Birchanger Road696 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
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| 18, Cresswell Road89 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
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| 60, Longheath Gardens988 m away | 71 m² | 91 m² | +20 m² +28% | 2014 |
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| 26, Lonsdale Road218 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
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| 39, Cambridge Road638 m away | 93 m² | 113 m² | +20 m² +22% | 2012 |
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| 14, Holland Road326 m away | 44 m² | 64 m² | +20 m² +45% | 2009 |
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| 34, Westgate Road214 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| Flat 4, 10, Whitworth Road914 m away | 43 m² | 62 m² | +19 m² +44% | 2026 |
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| 6a, Holmesdale Close910 m away | 39 m² | 58 m² | +19 m² +49% | 2025 |
|---|
| 22, Lonsdale Road218 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
|---|
| 18, Adair Close486 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
|---|
| 573, Davidson Road1000 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
|---|
| 78, Grasmere Road716 m away | 68 m² | 87 m² | +19 m² +28% | 2022 |
|---|
| 38, Estcourt Road999 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
|---|
| 1, Cumberland Road847 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
|---|
| 57, Penge Road671 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
|---|
| 83, Cobden Road662 m away | 101 m² | 120 m² | +19 m² +19% | 2014 |
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| Flat 7, Alder Court, 30, Portland Road433 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
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| Flat 1, 28, South Norwood Hill768 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 76a, High Street611 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
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| 26a, Felmingham Road980 m away | 47 m² | 65 m² | +18 m² +38% | 2023 |
|---|
| 52, Longheath Gardens988 m away | 88 m² | 106 m² | +18 m² +20% | 2023 |
|---|
| 14, Lawrence Road748 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
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| 56, South Norwood Hill862 m away | 105 m² | 123 m² | +18 m² +17% | 2015 |
|---|
| 2, Aylett Road244 m away | 74 m² | 92 m² | +18 m² +24% | 2013 |
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| 21, Apsley Road94 m away | 101 m² | 119 m² | +18 m² +18% | 2010 |
|---|
| Flat 2, Warwick House, 25, South Norwood Hill878 m away | 20 m² | 38 m² | +18 m² +90% | 2010 |
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| 12, Woodside Avenue738 m away | 82 m² | 99 m² | +17 m² +21% | 2025 |
|---|
| 31, Clifford Road491 m away | 65 m² | 82 m² | +17 m² +26% | 2024 |
|---|
| 76, Cobden Road627 m away | 57 m² | 74 m² | +17 m² +30% | 2024 |
|---|
| 9, Denmark Road382 m away | 70 m² | 87 m² | +17 m² +24% | 2023 |
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