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 SE15 3AL
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 |
|---|---|---|---|---|
| 34, Marmora Road796 m away | 230 m² | 399 m² | +169 m² +73% | 2022 |
| 60, Marmora Road619 m away | 235 m² | 378 m² | +143 m² +61% | 2022 |
| 303, Ivydale Road420 m away | 135 m² | 275 m² | +140 m² +104% | 2023 |
| 35, Mundania Road730 m away | 203 m² | 307 m² | +104 m² +51% | 2024 |
| 22, Hengrave Road977 m away | 104 m² | 188 m² | +84 m² +81% | 2025 |
| 41, Mundania Road530 m away | 122 m² | 204 m² | +82 m² +67% | 2021 |
| 14, Shelbury Road715 m away | 112 m² | 191 m² | +79 m² +71% | 2024 |
| 15, Dovedale Road806 m away | 124 m² | 203 m² | +79 m² +64% | 2022 |
| 14, Marmora Road796 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.
| 275 m² |
| 352 m² |
| +77 m² +28% |
| 2026 |
| 22, Dovedale Road806 m away | 112 m² | 187 m² | +75 m² +67% | 2024 |
|---|
| 29, Boveney Road936 m away | 113 m² | 188 m² | +75 m² +66% | 2024 |
|---|
| 204, Ivydale Road473 m away | 135 m² | 208 m² | +73 m² +54% | 2025 |
|---|
| 13, Buckstone Close817 m away | 52 m² | 123 m² | +71 m² +137% | 2024 |
|---|
| 9, Machell Road943 m away | 85 m² | 156 m² | +71 m² +84% | 2022 |
|---|
| 131, Honor Oak Park922 m away | 343 m² | 412 m² | +69 m² +20% | 2024 |
|---|
| 80, Homestall Road466 m away | 100 m² | 169 m² | +69 m² +69% | 2023 |
|---|
| 41, Limesford Road362 m away | 66 m² | 135 m² | +69 m² +105% | 2021 |
|---|
| 17, Courtrai Road917 m away | 98 m² | 164 m² | +66 m² +67% | 2022 |
|---|
| 337, Ivydale Road194 m away | 99 m² | 165 m² | +66 m² +67% | 2014 |
|---|
| 45, Linden Grove686 m away | 90 m² | 155 m² | +65 m² +72% | 2026 |
|---|
| 33, Colyton Road476 m away | 142 m² | 207 m² | +65 m² +46% | 2024 |
|---|
| 24, St Asaph Road918 m away | 129 m² | 194 m² | +65 m² +50% | 2022 |
|---|
| 4, Somerton Road716 m away | 131 m² | 195 m² | +64 m² +49% | 2026 |
|---|
| 69, Grierson Road877 m away | 96 m² | 160 m² | +64 m² +67% | 2026 |
|---|
| 6a, Forest Hill Road890 m away | 95 m² | 159 m² | +64 m² +67% | 2024 |
|---|
| 172, Ivydale Road582 m away | 126 m² | 190 m² | +64 m² +51% | 2023 |
|---|
| 51, Rye Road101 m away | 96 m² | 159 m² | +63 m² +66% | 2026 |
|---|
| 25, Limesford Road362 m away | 113 m² | 176 m² | +63 m² +56% | 2026 |
|---|
| 36, Therapia Road769 m away | 253 m² | 316 m² | +63 m² +25% | 2020 |
|---|
| 27, Hengrave Road977 m away | 109 m² | 170 m² | +61 m² +56% | 2017 |
|---|
| 31, Finland Road952 m away | 120 m² | 180 m² | +60 m² +50% | 2022 |
|---|
| 77, Rye Hill Park333 m away | 90 m² | 149 m² | +59 m² +66% | 2021 |
|---|
| 320, Ivydale Road150 m away | 68 m² | 127 m² | +59 m² +87% | 2019 |
|---|
| 242, Ivydale Road473 m away | 126 m² | 185 m² | +59 m² +47% | 2018 |
|---|
| 326, Ivydale Road150 m away | 125 m² | 183 m² | +58 m² +46% | 2025 |
|---|
| 7, Kneller Road997 m away | 89 m² | 147 m² | +58 m² +65% | 2024 |
|---|
| 152, Grierson Road908 m away | 55 m² | 113 m² | +58 m² +105% | 2019 |
|---|
| 15, Piermont Road979 m away | 127 m² | 184 m² | +57 m² +45% | 2019 |
|---|
| 48, Mundania Road530 m away | 101 m² | 157 m² | +56 m² +55% | 2026 |
|---|
| 78, Howson Road895 m away | 118 m² | 174 m² | +56 m² +47% | 2025 |
|---|
| 57, Howbury Road947 m away | 44 m² | 100 m² | +56 m² +127% | 2025 |
|---|
| 63, Athenlay Road335 m away | 130 m² | 186 m² | +56 m² +43% | 2024 |
|---|
| 62, Marmora Road619 m away | 283 m² | 339 m² | +56 m² +20% | 2023 |
|---|
| 323, Ivydale Road420 m away | 114 m² | 170 m² | +56 m² +49% | 2022 |
|---|
| 26, Dunstans Grove934 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 16, Scutari Road569 m away | 114 m² | 170 m² | +56 m² +49% | 2018 |
|---|
| 28, Howbury Road901 m away | 56 m² | 112 m² | +56 m² +100% | 2017 |
|---|
| 32, Mundania Road530 m away | 103 m² | 157 m² | +54 m² +52% | 2025 |
|---|
| 19, Dundalk Road888 m away | 121 m² | 175 m² | +54 m² +45% | 2025 |
|---|
| 41, Dundalk Road888 m away | 125 m² | 179 m² | +54 m² +43% | 2024 |
|---|
| 98, Ivydale Road803 m away | 126 m² | 180 m² | +54 m² +43% | 2015 |
|---|
| 17, Rosenthorpe Road244 m away | 132 m² | 185 m² | +53 m² +40% | 2022 |
|---|
| 357, Ivydale Road194 m away | 132 m² | 184 m² | +52 m² +39% | 2025 |
|---|
| 48, Avignon Road744 m away | 95 m² | 147 m² | +52 m² +55% | 2012 |
|---|
| 30, Ryedale956 m away | 75 m² | 126 m² | +51 m² +68% | 2013 |
|---|
| 12, Friern Road989 m away | 134 m² | 184 m² | +50 m² +37% | 2025 |
|---|
| 35, Dundalk Road888 m away | 123 m² | 172 m² | +49 m² +40% | 2025 |
|---|
| 4, Borland Road44 m away | 76 m² | 125 m² | +49 m² +64% | 2024 |
|---|
| 181, Ivydale Road583 m away | 135 m² | 184 m² | +49 m² +36% | 2023 |
|---|
| 39, Dunstans Road992 m away | 66 m² | 114 m² | +48 m² +73% | 2025 |
|---|
| 12, Revelon Road963 m away | 120 m² | 168 m² | +48 m² +40% | 2017 |
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| 3, Hichisson Road37 m away | 81 m² | 129 m² | +48 m² +59% | 2016 |
|---|
| 40b, Carden Road902 m away | 34 m² | 82 m² | +48 m² +141% | 2012 |
|---|
| 51, Athenlay Road335 m away | 131 m² | 178 m² | +47 m² +36% | 2026 |
|---|
| 3, Dundalk Road888 m away | 124 m² | 171 m² | +47 m² +38% | 2023 |
|---|
| 45, Mundania Road530 m away | 100 m² | 147 m² | +47 m² +47% | 2020 |
|---|
| 52, Surrey Road66 m away | 109 m² | 156 m² | +47 m² +43% | 2018 |
|---|
| 88, Grierson Road908 m away | 121 m² | 168 m² | +47 m² +39% | 2016 |
|---|
| 6, Dunstans Grove934 m away | 83 m² | 129 m² | +46 m² +55% | 2026 |
|---|
| 191, Ivydale Road499 m away | 130 m² | 176 m² | +46 m² +35% | 2020 |
|---|
| 112, Forest Hill Road875 m away | 52 m² | 98 m² | +46 m² +88% | 2009 |
|---|
| Greenbury Cottage, 105a, Honor Oak Park861 m away | 66 m² | 111 m² | +45 m² +68% | 2025 |
|---|
| 8, Machell Road943 m away | 91 m² | 136 m² | +45 m² +49% | 2024 |
|---|
| 126, Forest Hill Road875 m away | 40 m² | 85 m² | +45 m² +113% | 2016 |
|---|
| 34a, Ivydale Road803 m away | 62 m² | 106 m² | +44 m² +71% | 2026 |
|---|
| 42, Aspinall Road875 m away | 71 m² | 115 m² | +44 m² +62% | 2025 |
|---|
| 16, Aspinall Road875 m away | 140 m² | 184 m² | +44 m² +31% | 2022 |
|---|
| 12, Rosenthorpe Road244 m away | 122 m² | 166 m² | +44 m² +36% | 2020 |
|---|
| 23, St Asaph Road901 m away | 135 m² | 179 m² | +44 m² +33% | 2020 |
|---|
| 20, Buckthorne Road850 m away | 80 m² | 124 m² | +44 m² +55% | 2018 |
|---|
| 9, Borland Road44 m away | 61 m² | 105 m² | +44 m² +72% | 2017 |
|---|
| 36, Lanbury Road324 m away | 74 m² | 117 m² | +43 m² +58% | 2025 |
|---|
| 33, Kilgour Road963 m away | 97 m² | 140 m² | +43 m² +44% | 2025 |
|---|
| 14, Hichisson Road0 m away | 68 m² | 111 m² | +43 m² +63% | 2022 |
|---|
| 97, Grierson Road945 m away | 107 m² | 150 m² | +43 m² +40% | 2022 |
|---|
| 82a, Cheltenham Road121 m away | 69 m² | 112 m² | +43 m² +62% | 2019 |
|---|
| Top Floor Flat, 30, Cheltenham Road138 m away | 47 m² | 90 m² | +43 m² +91% | 2010 |
|---|
| 14a, Waveney Avenue684 m away | 68 m² | 110 m² | +42 m² +62% | 2023 |
|---|
| 17, Somerton Road716 m away | 104 m² | 146 m² | +42 m² +40% | 2023 |
|---|
| Flat 4, 63 - 71, Rye Hill Park342 m away | 67 m² | 109 m² | +42 m² +63% | 2020 |
|---|
| 48, Hichisson Road0 m away | 75 m² | 117 m² | +42 m² +56% | 2015 |
|---|
| 31, Ivydale Road868 m away | 128 m² | 169 m² | +41 m² +32% | 2022 |
|---|
| 39, Ivydale Road868 m away | 120 m² | 161 m² | +41 m² +34% | 2022 |
|---|
| 21, Barforth Road900 m away | 144 m² | 185 m² | +41 m² +28% | 2022 |
|---|
| 4, Hazeldon Road928 m away | 109 m² | 150 m² | +41 m² +38% | 2019 |
|---|
| 85, Grierson Road945 m away | 111 m² | 152 m² | +41 m² +37% | 2019 |
|---|
| 31, Marmora Road796 m away | 238 m² | 279 m² | +41 m² +17% | 2011 |
|---|
| 62, Homestall Road466 m away | 103 m² | 143 m² | +40 m² +39% | 2024 |
|---|
| 36, Finland Road904 m away | 120 m² | 160 m² | +40 m² +33% | 2024 |
|---|
| 41, Kilgour Road963 m away | 103 m² | 143 m² | +40 m² +39% | 2024 |
|---|
| 39, Linden Grove686 m away | 118 m² | 158 m² | +40 m² +34% | 2022 |
|---|
| 26, Kilgour Road955 m away | 104 m² | 144 m² | +40 m² +38% | 2019 |
|---|
| 91, Ivydale Road761 m away | 124 m² | 164 m² | +40 m² +32% | 2014 |
|---|
| 64, Upland Road997 m away | 122 m² | 162 m² | +40 m² +33% | 2014 |
|---|
| 6, Barforth Road900 m away | 113 m² | 152 m² | +39 m² +35% | 2024 |
|---|
| 60, Surrey Road66 m away | 78 m² | 117 m² | +39 m² +50% | 2023 |
|---|
| 15, Rosenthorpe Road244 m away | 132 m² | 171 m² | +39 m² +30% | 2018 |
|---|
| 12, Bartram Road956 m away | 115 m² | 153 m² | +38 m² +33% | 2026 |
|---|
| 43, Maclean Road982 m away | 98 m² | 136 m² | +38 m² +39% | 2025 |
|---|
| 87, Upland Road997 m away | 146 m² | 184 m² | +38 m² +26% | 2025 |
|---|
| 108, Buckthorne Road863 m away | 78 m² | 116 m² | +38 m² +49% | 2023 |
|---|
| 37, Hichisson Road37 m away | 73 m² | 111 m² | +38 m² +52% | 2022 |
|---|
| 30, Parbury Road995 m away | 103 m² | 141 m² | +38 m² +37% | 2022 |
|---|
| 4a, Inverton Road220 m away | 73 m² | 111 m² | +38 m² +52% | 2015 |
|---|
| 40, Nunhead Lane998 m away | 42 m² | 80 m² | +38 m² +90% | 2015 |
|---|
| 32, Tresco Road759 m away | 111 m² | 148 m² | +37 m² +33% | 2026 |
|---|
| Flat 2, 46, Solomons Passage813 m away | 50 m² | 87 m² | +37 m² +74% | 2026 |
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| 10, Piermont Road979 m away | 127 m² | 164 m² | +37 m² +29% | 2023 |
|---|
| 28, Surrey Road66 m away | 88 m² | 125 m² | +37 m² +42% | 2022 |
|---|
| 12, Holdenby Road926 m away | 105 m² | 142 m² | +37 m² +35% | 2022 |
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| 14, Cheltenham Road138 m away | 83 m² | 120 m² | +37 m² +45% | 2020 |
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| 77, Harlescott Road334 m away | 133 m² | 170 m² | +37 m² +28% | 2020 |
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| 251b, Peckham Rye315 m away | 105 m² | 142 m² | +37 m² +35% | 2018 |
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| 6, Borland Road44 m away | 93 m² | 130 m² | +37 m² +40% | 2016 |
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| 65, Avignon Road732 m away | 98 m² | 135 m² | +37 m² +38% | 2013 |
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| 63, Mundania Road530 m away | 116 m² | 152 m² | +36 m² +31% | 2026 |
|---|
| 48, Finland Road904 m away | 120 m² | 156 m² | +36 m² +30% | 2026 |
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| 123, St Asaph Road975 m away | 119 m² | 155 m² | +36 m² +30% | 2021 |
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| 76, Harlescott Road347 m away | 134 m² | 170 m² | +36 m² +27% | 2020 |
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| 31, Kilgour Road963 m away | 107 m² | 143 m² | +36 m² +34% | 2020 |
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| 38, Holmesley Road931 m away | 99 m² | 135 m² | +36 m² +36% | 2019 |
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| 11, Buckthorne Road863 m away | 102 m² | 138 m² | +36 m² +35% | 2017 |
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| 45a, Waveney Avenue770 m away | 74 m² | 109 m² | +35 m² +47% | 2025 |
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| 11, Ivydale Road868 m away | 126 m² | 161 m² | +35 m² +28% | 2025 |
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| 14, Honor Oak Rise898 m away | 218 m² | 253 m² | +35 m² +16% | 2025 |
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| 20, Rye Road101 m away | 84 m² | 119 m² | +35 m² +42% | 2023 |
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| 26, St Asaph Road918 m away | 141 m² | 176 m² | +35 m² +25% | 2021 |
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| 32c, Marmora Road796 m away | 74 m² | 109 m² | +35 m² +47% | 2018 |
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| 17a, Surrey Road128 m away | 63 m² | 98 m² | +35 m² +56% | 2017 |
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| 110, Cheltenham Road121 m away | 82 m² | 117 m² | +35 m² +43% | 2012 |
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| 18, Revelon Road963 m away | 122 m² | 156 m² | +34 m² +28% | 2025 |
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| 7, Salisbury Terrace875 m away | 62 m² | 96 m² | +34 m² +55% | 2022 |
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| 11, Holdenby Road926 m away | 86 m² | 120 m² | +34 m² +40% | 2021 |
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| 26, Ivydale Road803 m away | 126 m² | 160 m² | +34 m² +27% | 2019 |
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| 42, Surrey Road66 m away | 95 m² | 129 m² | +34 m² +36% | 2016 |
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| 30, Shelbury Road715 m away | 110 m² | 144 m² | +34 m² +31% | 2015 |
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| 262, Ivydale Road335 m away | 123 m² | 156 m² | +33 m² +27% | 2026 |
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| 20, Carden Road902 m away | 61 m² | 94 m² | +33 m² +54% | 2024 |
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| 43, Hichisson Road37 m away | 84 m² | 117 m² | +33 m² +39% | 2022 |
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| 114, Kimberley Avenue969 m away | 93 m² | 126 m² | +33 m² +35% | 2019 |
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| 30, Colyton Road476 m away | 131 m² | 164 m² | +33 m² +25% | 2014 |
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| 42, Barforth Road900 m away | 94 m² | 127 m² | +33 m² +35% | 2014 |
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| 5, Rosenthorpe Road244 m away | 133 m² | 165 m² | +32 m² +24% | 2026 |
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| 177, Ivydale Road583 m away | 132 m² | 164 m² | +32 m² +24% | 2025 |
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| 44, St Asaph Road918 m away | 105 m² | 137 m² | +32 m² +30% | 2025 |
|---|
| 297, Ivydale Road420 m away | 134 m² | 166 m² | +32 m² +24% | 2022 |
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| 31, Courtrai Road917 m away | 93 m² | 125 m² | +32 m² +34% | 2022 |
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| 96d, St Asaph Road949 m away | 49 m² | 81 m² | +32 m² +65% | 2021 |
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| 3, Ryedale956 m away | 89 m² | 121 m² | +32 m² +36% | 2021 |
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| 3, Croftongate Way877 m away | 125 m² | 157 m² | +32 m² +26% | 2019 |
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| 42, Carden Road902 m away | 151 m² | 183 m² | +32 m² +21% | 2019 |
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| 39b, Athenlay Road357 m away | 64 m² | 96 m² | +32 m² +50% | 2018 |
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| 26b, Marmora Road796 m away | 35 m² | 67 m² | +32 m² +91% | 2018 |
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| 33, Holmesley Road943 m away | 94 m² | 126 m² | +32 m² +34% | 2017 |
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| 81, St Asaph Road945 m away | 53 m² | 85 m² | +32 m² +60% | 2014 |
|---|
| 14, Hazeldon Road928 m away | 109 m² | 140 m² | +31 m² +28% | 2025 |
|---|
| 30, Hichisson Road0 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
|---|
| 21a, Surrey Road128 m away | 60 m² | 91 m² | +31 m² +52% | 2023 |
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| 20, Water Mews609 m away | 80 m² | 111 m² | +31 m² +39% | 2023 |
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| 90, Revelon Road780 m away | 124 m² | 155 m² | +31 m² +25% | 2020 |
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| 66a, Surrey Road66 m away | 84 m² | 115 m² | +31 m² +37% | 2019 |
|---|
| 3, Dunstans Grove934 m away | 65 m² | 96 m² | +31 m² +48% | 2018 |
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| 72, St Asaph Road949 m away | 111 m² | 142 m² | +31 m² +28% | 2015 |
|---|
| Flat 2, Parklands, 234, Peckham Rye928 m away | 60 m² | 91 m² | +31 m² +52% | 2014 |
|---|
| 35, Holmesley Road943 m away | 104 m² | 134 m² | +30 m² +29% | 2026 |
|---|
| 72, Grierson Road844 m away | 127 m² | 157 m² | +30 m² +24% | 2024 |
|---|
| 25a, Holdenby Road926 m away | 70 m² | 100 m² | +30 m² +43% | 2024 |
|---|
| 263, Peckham Rye315 m away | 55 m² | 85 m² | +30 m² +55% | 2023 |
|---|
| 46, Athenlay Road323 m away | 77 m² | 107 m² | +30 m² +39% | 2021 |
|---|
| 37, Buchan Road924 m away | 91 m² | 121 m² | +30 m² +33% | 2021 |
|---|
| 39b, Surrey Road128 m away | 50 m² | 80 m² | +30 m² +60% | 2020 |
|---|
| 35, Forest Hill Road831 m away | 112 m² | 142 m² | +30 m² +27% | 2020 |
|---|
| Flat 6, 63 - 71, Rye Hill Park342 m away | 44 m² | 74 m² | +30 m² +68% | 2019 |
|---|
| 79, Rye Hill Park333 m away | 48 m² | 78 m² | +30 m² +63% | 2018 |
|---|
| 64, Therapia Road566 m away | 107 m² | 137 m² | +30 m² +28% | 2018 |
|---|
| Flat 44, Priory Court, 1, Cheltenham Road128 m away | 97 m² | 127 m² | +30 m² +31% | 2017 |
|---|
| 234, Ivydale Road473 m away | 128 m² | 158 m² | +30 m² +23% | 2015 |
|---|
| 46, St Asaph Road918 m away | 140 m² | 169 m² | +29 m² +21% | 2025 |
|---|
| 6, Eddystone Road921 m away | 93 m² | 122 m² | +29 m² +31% | 2021 |
|---|
| 17, Holmesley Road943 m away | 105 m² | 134 m² | +29 m² +28% | 2021 |
|---|
| 28, Holdenby Road926 m away | 76 m² | 105 m² | +29 m² +38% | 2020 |
|---|
| 139, Peckham Rye928 m away | 49 m² | 78 m² | +29 m² +59% | 2020 |
|---|
| 38, Kilgour Road955 m away | 112 m² | 141 m² | +29 m² +26% | 2019 |
|---|
| 16, Finland Road904 m away | 120 m² | 149 m² | +29 m² +24% | 2018 |
|---|
| 3, Holdenby Road926 m away | 86 m² | 115 m² | +29 m² +34% | 2018 |
|---|
| 39, Bellwood Road318 m away | 123 m² | 152 m² | +29 m² +24% | 2010 |
|---|
| 7, Tresco Road718 m away | 130 m² | 158 m² | +28 m² +22% | 2024 |
|---|
| 336, Ivydale Road150 m away | 74 m² | 102 m² | +28 m² +38% | 2023 |
|---|
| 28, Holmesley Road931 m away | 100 m² | 128 m² | +28 m² +28% | 2023 |
|---|
| 109, Ivydale Road660 m away | 63 m² | 91 m² | +28 m² +44% | 2022 |
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