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 4NE
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 Lane841 m away | 89 m² | 220 m² | +131 m² +147% | 2023 |
| 41, Elmers End Road892 m away | 116 m² | 201 m² | +85 m² +73% | 2025 |
| 33, Sheringham Road557 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
| 71, Crowther Road850 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 22, Pittville Gardens912 m away | 123 m² | 189 m² | +66 m² +54% | 2024 |
| 29, Manor Road710 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
| 15, Warwick Road427 m away | 114 m² | 179 m² | +65 m² +57% | 2021 |
| 19, Lincoln Road430 m away | 56 m² | 118 m² | +62 m² +111% | 2023 |
| 206, Portland Road775 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 Road953 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
|---|
| 171, Harrington Road150 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
|---|
| 16, Southcote Road917 m away | 92 m² | 148 m² | +56 m² +61% | 2020 |
|---|
| 120, Portland Road605 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
|---|
| 48, Enmore Road923 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
|---|
| 35, Carmichael Road917 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 25, Addison Road596 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
|---|
| 1, Watcombe Road524 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
|---|
| 34, Pelham Road996 m away | 104 m² | 152 m² | +48 m² +46% | 2021 |
|---|
| 56, Oakley Road628 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
|---|
| 18, Cobden Road888 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 62, Tremaine Road785 m away | 138 m² | 185 m² | +47 m² +34% | 2019 |
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| 58, Enmore Road923 m away | 31 m² | 77 m² | +46 m² +148% | 2021 |
|---|
| 31a, Southcote Road917 m away | 45 m² | 91 m² | +46 m² +102% | 2020 |
|---|
| 311, Blandford Road829 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
|---|
| 386, Blandford Road892 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
|---|
| 24, Cumberland Road957 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
|---|
| 29, Chartham Road333 m away | 75 m² | 120 m² | +45 m² +60% | 2021 |
|---|
| 1, Tudor Road875 m away | 92 m² | 137 m² | +45 m² +49% | 2020 |
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| 29, Wheathill Road593 m away | 152 m² | 197 m² | +45 m² +30% | 2016 |
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| 86, Watcombe Road506 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
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| 27, Carmichael Road917 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 117, Estcourt Road941 m away | 86 m² | 130 m² | +44 m² +51% | 2023 |
|---|
| 5, Dorset Road822 m away | 104 m² | 148 m² | +44 m² +42% | 2022 |
|---|
| 3, Market Parade587 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
|---|
| 67, Grasmere Road807 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
|---|
| 65, Grasmere Road807 m away | 35 m² | 78 m² | +43 m² +123% | 2025 |
|---|
| 13, Gwydor Road916 m away | 114 m² | 157 m² | +43 m² +38% | 2023 |
|---|
| 29, Ash Grove968 m away | 85 m² | 128 m² | +43 m² +51% | 2022 |
|---|
| 16, Waverley Road186 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
|---|
| 57, Manor Road710 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 45, Hambrook Road363 m away | 76 m² | 117 m² | +41 m² +54% | 2025 |
|---|
| 235, Birkbeck Road883 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
|---|
| 30, Felmingham Road682 m away | 72 m² | 113 m² | +41 m² +57% | 2023 |
|---|
| 3, Warwick Road427 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
|---|
| 321, Portland Road907 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 118a, Crowther Road793 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| 190, Portland Road775 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
|---|
| 182, Harrington Road0 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
|---|
| 36, Pelham Road996 m away | 108 m² | 148 m² | +40 m² +37% | 2025 |
|---|
| 27, Brooklyn Road187 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
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| 54, Westgate Road261 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
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| 53, Stembridge Road695 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
|---|
| 6, Southcote Road917 m away | 102 m² | 141 m² | +39 m² +38% | 2024 |
|---|
| 11a, Balfour Road706 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
|---|
| 31, Doyle Road796 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
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| 3, Ferndale Road652 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
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| 22, Ferndale Road678 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 77, Cobden Road928 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
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| 55, Denmark Road820 m away | 105 m² | 143 m² | +38 m² +36% | 2014 |
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| 15, Camille Close582 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
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| 23, Aylett Road417 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
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| 135, Harrington Road150 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
|---|
| 25, Westgate Road193 m away | 44 m² | 80 m² | +36 m² +82% | 2025 |
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| 15, Sandown Road545 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
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| Flat 3, 248, Portland Road922 m away | 31 m² | 67 m² | +36 m² +116% | 2025 |
|---|
| 70, Westgate Road261 m away | 87 m² | 123 m² | +36 m² +41% | 2012 |
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| 17, John Street612 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
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| 46, Watcombe Road506 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 120, Elmers End Road788 m away | 106 m² | 141 m² | +35 m² +33% | 2022 |
|---|
| 85, Dundee Road702 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
|---|
| 4, Cambridge Road601 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
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| 16, Elmers End Road990 m away | 124 m² | 158 m² | +34 m² +27% | 2026 |
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| 39, Sandown Road545 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
|---|
| 21, Warwick Road427 m away | 107 m² | 141 m² | +34 m² +32% | 2023 |
|---|
| 55, Brooklyn Road154 m away | 90 m² | 124 m² | +34 m² +38% | 2020 |
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| 101, Cobden Road928 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
|---|
| 87, Dundee Road702 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
|---|
| 93, Cobden Road928 m away | 95 m² | 128 m² | +33 m² +35% | 2026 |
|---|
| 51, Harrington Road388 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 36, Camille Close582 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
|---|
| 78, Cambridge Road601 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
|---|
| 28, Ferndale Road678 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
|---|
| 143, Harrington Road150 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
|---|
| 41, Waverley Road213 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
|---|
| 6, Pembury Road585 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
|---|
| 64, Cambridge Road601 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
|---|
| 28, Bourdon Road816 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 29, Pelham Road960 m away | 102 m² | 134 m² | +32 m² +31% | 2022 |
|---|
| 31, Shinners Close763 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 58a, Crowther Road857 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
|---|
| 5, Piquet Road738 m away | 118 m² | 150 m² | +32 m² +27% | 2018 |
|---|
| 30, Stembridge Road669 m away | 85 m² | 117 m² | +32 m² +38% | 2013 |
|---|
| 49, Birchanger Road957 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
|---|
| 72, Watcombe Road506 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
|---|
| 51, Chartham Road333 m away | 74 m² | 105 m² | +31 m² +42% | 2020 |
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| 72a, Samos Road756 m away | 79 m² | 110 m² | +31 m² +39% | 2019 |
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| 33, Southcote Road917 m away | 87 m² | 118 m² | +31 m² +36% | 2019 |
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| 1, Wadhurst Close956 m away | 56 m² | 87 m² | +31 m² +55% | 2016 |
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| 20, Warwick Road395 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
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| 281, Albert Road761 m away | 70 m² | 101 m² | +31 m² +44% | 2014 |
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| 28, Woodside Avenue959 m away | 99 m² | 129 m² | +30 m² +30% | 2024 |
|---|
| 84, Belmont Road784 m away | 80 m² | 110 m² | +30 m² +38% | 2023 |
|---|
| 58, Apsley Road407 m away | 71 m² | 101 m² | +30 m² +42% | 2022 |
|---|
| 41, Arrol Road834 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
|---|
| 27, Station Road983 m away | 44 m² | 74 m² | +30 m² +68% | 2012 |
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| 4, Southcote Road917 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 35, Southcote Road917 m away | 99 m² | 128 m² | +29 m² +29% | 2023 |
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| 12, Cromer Road434 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
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| 65, Cambridge Road601 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
|---|
| 3, Seymour Place418 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
|---|
| 50, Stembridge Road669 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
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| 52, Watcombe Road506 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 109, Elmers End Road805 m away | 51 m² | 79 m² | +28 m² +55% | 2023 |
|---|
| 18, Eldon Park406 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
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| 6, Oakley Road628 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 4a, Tremaine Road785 m away | 53 m² | 80 m² | +27 m² +51% | 2023 |
|---|
| 54, Apsley Road407 m away | 100 m² | 127 m² | +27 m² +27% | 2021 |
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| 43, Ferndale Road652 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
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| 56, Selby Road877 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
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| 24, Chartham Road310 m away | 128 m² | 154 m² | +26 m² +20% | 2009 |
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| 33, Lancaster Road941 m away | 79 m² | 105 m² | +26 m² +33% | 2009 |
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| 31, Chartham Road333 m away | 90 m² | 115 m² | +25 m² +28% | 2026 |
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| 42, Macclesfield Road854 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
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| 119 - 121, Portland Road665 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
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| 5a, Woodside Avenue966 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
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| 45, Watcombe Road524 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| 234, Portland Road922 m away | 44 m² | 69 m² | +25 m² +57% | 2020 |
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| 51, Enmore Road923 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| Flat 1, 156, Portland Road630 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| Flat 1, 45, Lincoln Road430 m away | 28 m² | 52 m² | +24 m² +86% | 2024 |
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| 87d, Albert Road528 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 114, Marlow Road601 m away | 99 m² | 123 m² | +24 m² +24% | 2020 |
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| 18, Piquet Road717 m away | 106 m² | 130 m² | +24 m² +23% | 2018 |
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| 66, Cambridge Road601 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
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| 84, Macclesfield Road741 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
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| 27, Ash Grove968 m away | 101 m² | 124 m² | +23 m² +23% | 2022 |
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| 147, Portland Road554 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Clifford Road861 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 7c, Eldon Park406 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 8, Lincoln Road425 m away | 85 m² | 108 m² | +23 m² +27% | 2016 |
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| Flat A, 63, Birchanger Road957 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
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| 159, Portland Road567 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
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| 8c, Eldon Park406 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 20a, Ash Grove968 m away | 48 m² | 70 m² | +22 m² +46% | 2023 |
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| 35, Sheringham Road557 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
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| Flat 12, 143 - 145, Portland Road554 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
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| Flat 15, Penceat Court, 17, Bourdon Road832 m away | 29 m² | 51 m² | +22 m² +76% | 2013 |
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| Flat 46, Wheathill House, Croydon Road772 m away | 66 m² | 88 m² | +22 m² +33% | 2012 |
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| 51, Selby Road877 m away | 99 m² | 120 m² | +21 m² +21% | 2023 |
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| 55, Apsley Road407 m away | 65 m² | 86 m² | +21 m² +32% | 2022 |
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| 88, Watcombe Road506 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
|---|
| 38, Camille Close582 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
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| 26, Felmingham Road682 m away | 75 m² | 96 m² | +21 m² +28% | 2021 |
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| 133, Elmers End Road805 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
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| 119, Estcourt Road941 m away | 80 m² | 101 m² | +21 m² +26% | 2019 |
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| 30, Piquet Road717 m away | 83 m² | 104 m² | +21 m² +25% | 2018 |
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| 52, Grasmere Road861 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
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| 243, Ravenscroft Road905 m away | 63 m² | 83 m² | +20 m² +32% | 2022 |
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| 220b, Birkbeck Road896 m away | 21 m² | 41 m² | +20 m² +95% | 2020 |
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| 11a, Seymour Place418 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
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| 79, Beck Lane841 m away | 92 m² | 112 m² | +20 m² +22% | 2019 |
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| 156, Albert Road375 m away | 64 m² | 84 m² | +20 m² +31% | 2016 |
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| 18, Cresswell Road460 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
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| 60, Longheath Gardens865 m away | 71 m² | 91 m² | +20 m² +28% | 2014 |
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| 26, Lonsdale Road327 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
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| 39, Cambridge Road601 m away | 93 m² | 113 m² | +20 m² +22% | 2012 |
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| 14, Holland Road670 m away | 44 m² | 64 m² | +20 m² +45% | 2009 |
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| 34, Westgate Road261 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| 22, Lonsdale Road327 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
|---|
| 18, Adair Close500 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
|---|
| 6, Maberley Road928 m away | 81 m² | 100 m² | +19 m² +23% | 2023 |
|---|
| 78, Grasmere Road807 m away | 68 m² | 87 m² | +19 m² +28% | 2022 |
|---|
| 1, Cumberland Road957 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
|---|
| 57, Penge Road769 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
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| 83, Cobden Road928 m away | 101 m² | 120 m² | +19 m² +19% | 2014 |
|---|
| Flat 7, Alder Court, 30, Portland Road788 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
|---|
| 193, Elmers End Road709 m away | 102 m² | 120 m² | +18 m² +18% | 2024 |
|---|
| 26a, Felmingham Road682 m away | 47 m² | 65 m² | +18 m² +38% | 2023 |
|---|
| 52, Longheath Gardens865 m away | 88 m² | 106 m² | +18 m² +20% | 2023 |
|---|
| 76a, High Street947 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
|---|
| 101, Tovil Close959 m away | 82 m² | 100 m² | +18 m² +22% | 2019 |
|---|
| 2, Aylett Road417 m away | 74 m² | 92 m² | +18 m² +24% | 2013 |
|---|
| 21, Apsley Road407 m away | 101 m² | 119 m² | +18 m² +18% | 2010 |
|---|
| 12, Woodside Avenue959 m away | 82 m² | 99 m² | +17 m² +21% | 2025 |
|---|
| 31, Clifford Road861 m away | 65 m² | 82 m² | +17 m² +26% | 2024 |
|---|
| 76, Cobden Road888 m away | 57 m² | 74 m² | +17 m² +30% | 2024 |
|---|
| 9, Denmark Road697 m away | 70 m² | 87 m² | +17 m² +24% | 2023 |
|---|
| 3, Arrol Road834 m away | 92 m² | 109 m² | +17 m² +18% | 2023 |
|---|
| 2, Pittville Gardens912 m away | 92 m² | 109 m² | +17 m² +18% | 2022 |
|---|
| 10, Birchanger Road983 m away | 37 m² | 54 m² | +17 m² +46% | 2022 |
|---|
| 66, Cobden Road888 m away | 82 m² | 99 m² | +17 m² +21% | 2020 |
|---|
| 56, Cambridge Road601 m away | 90 m² | 107 m² | +17 m² +19% | 2018 |
|---|
| 30a, High Street905 m away | 74 m² | 91 m² | +17 m² +23% | 2016 |
|---|
| 47a, Marlow Road653 m away | 72 m² | 89 m² | +17 m² +24% | 2015 |
|---|
| Flat 1, Eldon Court, Eldon Park430 m away | 57 m² | 74 m² | +17 m² +30% | 2014 |
|---|
| Flat 1, 30a, Station Road986 m away | 38 m² | 55 m² | +17 m² +45% | 2011 |
|---|
| 111, Estcourt Road941 m away | 85 m² | 101 m² | +16 m² +19% | 2026 |
|---|
| 32, Ancaster Road865 m away | 83 m² | 99 m² | +16 m² +19% | 2025 |
|---|
| 61, Longheath Gardens865 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
|---|
| 51, Hambrook Road363 m away | 68 m² | 84 m² | +16 m² +24% | 2024 |
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