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 5NU
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 Road811 m away | 121 m² | 201 m² | +80 m² +66% | 2021 |
| 71, Crowther Road407 m away | 82 m² | 156 m² | +74 m² +90% | 2024 |
| 29, Manor Road989 m away | 66 m² | 132 m² | +66 m² +100% | 2014 |
| 206, Portland Road164 m away | 166 m² | 225 m² | +59 m² +36% | 2025 |
| 13, Birchanger Road450 m away | 108 m² | 165 m² | +57 m² +53% | 2022 |
| 171, Harrington Road851 m away | 47 m² | 103 m² | +56 m² +119% | 2023 |
| 16, Southcote Road421 m away | 92 m² | 148 m² | +56 m² +61% | 2020 |
| 27, Coleridge Road968 m away | 92 m² | 147 m² | +55 m² +60% | 2021 |
| 41, Alderton Road735 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.
| 63 m² |
| 118 m² |
| +55 m² +87% |
| 2014 |
| 120, Portland Road391 m away | 146 m² | 200 m² | +54 m² +37% | 2020 |
|---|
| 48, Enmore Road248 m away | 134 m² | 188 m² | +54 m² +40% | 2019 |
|---|
| 35, Carmichael Road616 m away | 49 m² | 101 m² | +52 m² +106% | 2024 |
|---|
| 529, Davidson Road740 m away | 85 m² | 137 m² | +52 m² +61% | 2022 |
|---|
| 46, Tennison Road868 m away | 62 m² | 113 m² | +51 m² +82% | 2022 |
|---|
| 198, Morland Road849 m away | 109 m² | 159 m² | +50 m² +46% | 2026 |
|---|
| 25, Addison Road679 m away | 114 m² | 164 m² | +50 m² +44% | 2015 |
|---|
| 1, Watcombe Road406 m away | 81 m² | 129 m² | +48 m² +59% | 2022 |
|---|
| 56, Oakley Road336 m away | 77 m² | 124 m² | +47 m² +61% | 2026 |
|---|
| 18, Cobden Road41 m away | 72 m² | 119 m² | +47 m² +65% | 2022 |
|---|
| 5, Chart Close685 m away | 43 m² | 90 m² | +47 m² +109% | 2021 |
|---|
| 58, Enmore Road248 m away | 31 m² | 77 m² | +46 m² +148% | 2021 |
|---|
| 31a, Southcote Road421 m away | 45 m² | 91 m² | +46 m² +102% | 2020 |
|---|
| 61, Pagehurst Road838 m away | 112 m² | 157 m² | +45 m² +40% | 2026 |
|---|
| 24, Cumberland Road406 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
|---|
| 1, Tudor Road468 m away | 92 m² | 137 m² | +45 m² +49% | 2020 |
|---|
| 86, Watcombe Road422 m away | 73 m² | 117 m² | +44 m² +60% | 2025 |
|---|
| 27, Carmichael Road616 m away | 116 m² | 160 m² | +44 m² +38% | 2025 |
|---|
| 117, Estcourt Road540 m away | 86 m² | 130 m² | +44 m² +51% | 2023 |
|---|
| 3, Market Parade430 m away | 40 m² | 84 m² | +44 m² +110% | 2020 |
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| 67, Grasmere Road398 m away | 81 m² | 124 m² | +43 m² +53% | 2026 |
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| 65, Grasmere Road398 m away | 35 m² | 78 m² | +43 m² +123% | 2025 |
|---|
| 42, Aschurch Road856 m away | 70 m² | 113 m² | +43 m² +61% | 2025 |
|---|
| 14, Keats Way949 m away | 90 m² | 133 m² | +43 m² +48% | 2025 |
|---|
| 654, Davidson Road495 m away | 88 m² | 131 m² | +43 m² +49% | 2024 |
|---|
| 155, Tennison Road420 m away | 105 m² | 148 m² | +43 m² +41% | 2022 |
|---|
| 16, Waverley Road957 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
|---|
| 14, Woodside Green535 m away | 61 m² | 103 m² | +42 m² +69% | 2021 |
|---|
| 90, Birchanger Road270 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
|---|
| 12, Meadvale Road853 m away | 84 m² | 126 m² | +42 m² +50% | 2016 |
|---|
| 57, Manor Road989 m away | 128 m² | 169 m² | +41 m² +32% | 2026 |
|---|
| 321, Portland Road258 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 97, Meadvale Road691 m away | 83 m² | 124 m² | +41 m² +49% | 2021 |
|---|
| 118a, Crowther Road359 m away | 60 m² | 101 m² | +41 m² +68% | 2020 |
|---|
| 107, Howard Road101 m away | 83 m² | 124 m² | +41 m² +49% | 2013 |
|---|
| 190, Portland Road164 m away | 77 m² | 118 m² | +41 m² +53% | 2011 |
|---|
| 46, Stroud Green Way829 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 182, Harrington Road928 m away | 76 m² | 116 m² | +40 m² +53% | 2025 |
|---|
| 27, Brooklyn Road897 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| Flat 1, 5, Cargreen Road766 m away | 63 m² | 103 m² | +40 m² +63% | 2023 |
|---|
| 54, Westgate Road669 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
|---|
| 6, Southcote Road421 m away | 102 m² | 141 m² | +39 m² +38% | 2024 |
|---|
| 76, Woodside Road477 m away | 92 m² | 131 m² | +39 m² +42% | 2024 |
|---|
| 10, Estcourt Road484 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 11a, Balfour Road562 m away | 59 m² | 98 m² | +39 m² +66% | 2018 |
|---|
| 31, Doyle Road732 m away | 82 m² | 121 m² | +39 m² +48% | 2018 |
|---|
| 127, Birchanger Road186 m away | 34 m² | 73 m² | +39 m² +115% | 2011 |
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| 22, Ferndale Road322 m away | 52 m² | 90 m² | +38 m² +73% | 2024 |
|---|
| 3, Ferndale Road330 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
|---|
| 77, Cobden Road0 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
|---|
| 23, Percy Road488 m away | 61 m² | 99 m² | +38 m² +62% | 2020 |
|---|
| 5, Manning Gardens967 m away | 96 m² | 134 m² | +38 m² +40% | 2020 |
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| 55, Denmark Road119 m away | 105 m² | 143 m² | +38 m² +36% | 2014 |
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| 19, Woodside Road504 m away | 140 m² | 178 m² | +38 m² +27% | 2014 |
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| 23, Aylett Road512 m away | 80 m² | 117 m² | +37 m² +46% | 2023 |
|---|
| 64, Coniston Road979 m away | 78 m² | 115 m² | +37 m² +47% | 2023 |
|---|
| 14, Cargreen Road794 m away | 152 m² | 189 m² | +37 m² +24% | 2020 |
|---|
| Flat 3, 248, Portland Road227 m away | 31 m² | 67 m² | +36 m² +116% | 2025 |
|---|
| 15, Sandown Road390 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 25, Westgate Road743 m away | 44 m² | 80 m² | +36 m² +82% | 2025 |
|---|
| 135, Harrington Road851 m away | 53 m² | 89 m² | +36 m² +68% | 2025 |
|---|
| 331, Morland Road759 m away | 97 m² | 133 m² | +36 m² +37% | 2021 |
|---|
| 70, Westgate Road669 m away | 87 m² | 123 m² | +36 m² +41% | 2012 |
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| 17, John Street761 m away | 76 m² | 111 m² | +35 m² +46% | 2026 |
|---|
| 12, Estcourt Road484 m away | 88 m² | 123 m² | +35 m² +40% | 2025 |
|---|
| 46, Watcombe Road422 m away | 78 m² | 113 m² | +35 m² +45% | 2024 |
|---|
| 85, Dundee Road327 m away | 86 m² | 121 m² | +35 m² +41% | 2021 |
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| 436, Davidson Road809 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
|---|
| 85, Teevan Road926 m away | 69 m² | 104 m² | +35 m² +51% | 2016 |
|---|
| 39, Sandown Road390 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
|---|
| 18, Coniston Road979 m away | 79 m² | 113 m² | +34 m² +43% | 2022 |
|---|
| 581, Davidson Road585 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
|---|
| 101, Cobden Road0 m away | 91 m² | 125 m² | +34 m² +37% | 2018 |
|---|
| 41, Coniston Road886 m away | 74 m² | 108 m² | +34 m² +46% | 2016 |
|---|
| 322, Lower Addiscombe Road970 m away | 81 m² | 115 m² | +34 m² +42% | 2014 |
|---|
| 87, Dundee Road327 m away | 50 m² | 84 m² | +34 m² +68% | 2013 |
|---|
| 93, Cobden Road0 m away | 95 m² | 128 m² | +33 m² +35% | 2026 |
|---|
| 488, Davidson Road809 m away | 91 m² | 124 m² | +33 m² +36% | 2026 |
|---|
| 88, Estcourt Road505 m away | 57 m² | 90 m² | +33 m² +58% | 2024 |
|---|
| 51, Harrington Road662 m away | 74 m² | 107 m² | +33 m² +45% | 2023 |
|---|
| 28, Ferndale Road322 m away | 99 m² | 132 m² | +33 m² +33% | 2018 |
|---|
| 143, Harrington Road851 m away | 79 m² | 112 m² | +33 m² +42% | 2017 |
|---|
| 406, Lower Addiscombe Road870 m away | 135 m² | 168 m² | +33 m² +24% | 2014 |
|---|
| 6, Pembury Road641 m away | 60 m² | 92 m² | +32 m² +53% | 2026 |
|---|
| 3, Alderton Road903 m away | 51 m² | 83 m² | +32 m² +63% | 2026 |
|---|
| 41, Waverley Road973 m away | 77 m² | 109 m² | +32 m² +42% | 2026 |
|---|
| 31, Shinners Close436 m away | 23 m² | 55 m² | +32 m² +139% | 2019 |
|---|
| 58a, Crowther Road521 m away | 54 m² | 86 m² | +32 m² +59% | 2019 |
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| 49, Birchanger Road337 m away | 99 m² | 130 m² | +31 m² +31% | 2026 |
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| 310, Lower Addiscombe Road970 m away | 101 m² | 132 m² | +31 m² +31% | 2022 |
|---|
| 72, Watcombe Road422 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
|---|
| 33, Southcote Road421 m away | 87 m² | 118 m² | +31 m² +36% | 2019 |
|---|
| 281, Albert Road510 m away | 70 m² | 101 m² | +31 m² +44% | 2014 |
|---|
| 111, Howard Road101 m away | 56 m² | 86 m² | +30 m² +54% | 2024 |
|---|
| 28, Woodside Avenue133 m away | 99 m² | 129 m² | +30 m² +30% | 2024 |
|---|
| 84, Belmont Road354 m away | 80 m² | 110 m² | +30 m² +38% | 2023 |
|---|
| 58, Apsley Road580 m away | 71 m² | 101 m² | +30 m² +42% | 2022 |
|---|
| 13, Beckford Road751 m away | 88 m² | 118 m² | +30 m² +34% | 2019 |
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| 27, Station Road849 m away | 44 m² | 74 m² | +30 m² +68% | 2012 |
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| 4, Southcote Road421 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
|---|
| 35, Southcote Road421 m away | 99 m² | 128 m² | +29 m² +29% | 2023 |
|---|
| 22, Coniston Road979 m away | 81 m² | 110 m² | +29 m² +36% | 2020 |
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| 57, Malcolm Road577 m away | 91 m² | 120 m² | +29 m² +32% | 2018 |
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| 3, Seymour Place533 m away | 73 m² | 102 m² | +29 m² +40% | 2013 |
|---|
| 81, Tennison Road811 m away | 103 m² | 131 m² | +28 m² +27% | 2025 |
|---|
| 52, Watcombe Road422 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 38, Davies Close658 m away | 20 m² | 48 m² | +28 m² +140% | 2020 |
|---|
| 18, Dalmally Road854 m away | 81 m² | 109 m² | +28 m² +35% | 2017 |
|---|
| 43, Dalmally Road912 m away | 109 m² | 137 m² | +28 m² +26% | 2015 |
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| 18, Eldon Park870 m away | 170 m² | 198 m² | +28 m² +16% | 2013 |
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| 88, Birchanger Road270 m away | 47 m² | 74 m² | +27 m² +57% | 2025 |
|---|
| 6, Oakley Road336 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
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| 21, Sidney Road490 m away | 73 m² | 100 m² | +27 m² +37% | 2024 |
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| 3, Dalmally Road912 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
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| 54, Apsley Road580 m away | 100 m² | 127 m² | +27 m² +27% | 2021 |
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| 43, Ferndale Road330 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
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| 42, Macclesfield Road607 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
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| 15, Woodside Park143 m away | 95 m² | 120 m² | +25 m² +26% | 2024 |
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| 63, Elmers Road667 m away | 90 m² | 115 m² | +25 m² +28% | 2024 |
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| 119 - 121, Portland Road667 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
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| 5a, Woodside Avenue164 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
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| 26, Blackhorse Lane930 m away | 106 m² | 131 m² | +25 m² +24% | 2021 |
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| 234, Portland Road227 m away | 44 m² | 69 m² | +25 m² +57% | 2020 |
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| 51, Enmore Road248 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
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| 45, Watcombe Road406 m away | 53 m² | 78 m² | +25 m² +47% | 2020 |
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| Flat 1, 156, Portland Road324 m away | 74 m² | 99 m² | +25 m² +34% | 2014 |
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| 31, Westbourne Road802 m away | 90 m² | 115 m² | +25 m² +28% | 2014 |
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| 589, Davidson Road585 m away | 88 m² | 112 m² | +24 m² +27% | 2025 |
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| 40, Anthony Road530 m away | 62 m² | 86 m² | +24 m² +39% | 2023 |
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| 16, Coe Avenue418 m away | 37 m² | 61 m² | +24 m² +65% | 2021 |
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| 87d, Albert Road801 m away | 47 m² | 71 m² | +24 m² +51% | 2021 |
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| 22, Keats Way949 m away | 84 m² | 108 m² | +24 m² +29% | 2019 |
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| 47, Alderton Road735 m away | 90 m² | 114 m² | +24 m² +27% | 2018 |
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| 10, Sissinghurst Road814 m away | 79 m² | 103 m² | +24 m² +30% | 2018 |
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| Flat 3, 30, Howard Road101 m away | 50 m² | 73 m² | +23 m² +46% | 2026 |
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| 84, Macclesfield Road573 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
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| 620, Davidson Road495 m away | 79 m² | 102 m² | +23 m² +29% | 2024 |
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| 64, Long Lane821 m away | 74 m² | 97 m² | +23 m² +31% | 2023 |
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| 147, Portland Road486 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Clifford Road760 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 41, Woodside Road504 m away | 131 m² | 154 m² | +23 m² +18% | 2019 |
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| 7c, Eldon Park870 m away | 59 m² | 82 m² | +23 m² +39% | 2019 |
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| 31, Tenterden Road693 m away | 96 m² | 119 m² | +23 m² +24% | 2018 |
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| 22, Tenterden Road710 m away | 119 m² | 142 m² | +23 m² +19% | 2011 |
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| Flat A, 63, Birchanger Road337 m away | 97 m² | 120 m² | +23 m² +24% | 2010 |
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| 120, Long Lane821 m away | 90 m² | 112 m² | +22 m² +24% | 2025 |
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| 159, Portland Road398 m away | 52 m² | 74 m² | +22 m² +42% | 2024 |
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| 563, Davidson Road585 m away | 87 m² | 109 m² | +22 m² +25% | 2024 |
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| 8c, Eldon Park870 m away | 35 m² | 57 m² | +22 m² +63% | 2023 |
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| 25, Westbourne Road802 m away | 72 m² | 94 m² | +22 m² +31% | 2022 |
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| 32, Ritchie Road607 m away | 27 m² | 49 m² | +22 m² +81% | 2021 |
|---|
| Flat 12, 143 - 145, Portland Road486 m away | 34 m² | 56 m² | +22 m² +65% | 2020 |
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| 122, Dalmally Road977 m away | 92 m² | 114 m² | +22 m² +24% | 2019 |
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| 21, Percy Road488 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
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| 11, Blackhorse Lane926 m away | 82 m² | 104 m² | +22 m² +27% | 2009 |
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| 54, Watson Place742 m away | 85 m² | 106 m² | +21 m² +25% | 2026 |
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| 50, Coniston Road979 m away | 81 m² | 102 m² | +21 m² +26% | 2025 |
|---|
| 55, Apsley Road580 m away | 65 m² | 86 m² | +21 m² +32% | 2022 |
|---|
| 20, Salisbury Road587 m away | 62 m² | 83 m² | +21 m² +34% | 2022 |
|---|
| 46, Manning Gardens957 m away | 19 m² | 40 m² | +21 m² +111% | 2022 |
|---|
| 88, Watcombe Road422 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
|---|
| 119, Estcourt Road540 m away | 80 m² | 101 m² | +21 m² +26% | 2019 |
|---|
| 14, Blackhorse Lane930 m away | 110 m² | 131 m² | +21 m² +19% | 2017 |
|---|
| 21, Dickensons Lane423 m away | 64 m² | 84 m² | +20 m² +31% | 2024 |
|---|
| 45, Percy Road488 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
|---|
| 52, Grasmere Road327 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
|---|
| 42, Alderton Road722 m away | 80 m² | 100 m² | +20 m² +25% | 2023 |
|---|
| 149, Beckford Road638 m away | 89 m² | 109 m² | +20 m² +22% | 2022 |
|---|
| 13, Coniston Road886 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
|---|
| 47, Coniston Road886 m away | 83 m² | 103 m² | +20 m² +24% | 2021 |
|---|
| 11a, Seymour Place533 m away | 33 m² | 53 m² | +20 m² +61% | 2019 |
|---|
| 110, Birchanger Road270 m away | 94 m² | 114 m² | +20 m² +21% | 2016 |
|---|
| 156, Albert Road554 m away | 64 m² | 84 m² | +20 m² +31% | 2016 |
|---|
| 18, Cresswell Road680 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
|---|
| 60, Longheath Gardens889 m away | 71 m² | 91 m² | +20 m² +28% | 2014 |
|---|
| 26, Lonsdale Road879 m away | 94 m² | 114 m² | +20 m² +21% | 2013 |
|---|
| 14, Holland Road363 m away | 44 m² | 64 m² | +20 m² +45% | 2009 |
|---|
| 34, Westgate Road669 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
|---|
| 59, Wydehurst Road887 m away | 101 m² | 120 m² | +19 m² +19% | 2025 |
|---|
| 22, Lonsdale Road879 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
|---|
| 573, Davidson Road585 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
|---|
| 78, Grasmere Road398 m away | 68 m² | 87 m² | +19 m² +28% | 2022 |
|---|
| 38, Estcourt Road484 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
|---|
| 1, Cumberland Road406 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
|---|
| 83, Cobden Road0 m away | 101 m² | 120 m² | +19 m² +19% | 2014 |
|---|
| Flat 7, Alder Court, 30, Portland Road795 m away | 38 m² | 57 m² | +19 m² +50% | 2012 |
|---|
| 22, Lincoln Close487 m away | 52 m² | 71 m² | +19 m² +37% | 2009 |
|---|
| 41, Dalmally Road912 m away | 98 m² | 116 m² | +18 m² +18% | 2024 |
|---|
| 52, Longheath Gardens889 m away | 88 m² | 106 m² | +18 m² +20% | 2023 |
|---|
| 76a, High Street951 m away | 52 m² | 70 m² | +18 m² +35% | 2023 |
|---|
| 55, Manning Gardens957 m away | 51 m² | 69 m² | +18 m² +35% | 2023 |
|---|