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 SW17 0JE
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 |
|---|---|---|---|---|
| 25, Beeches Road839 m away | 145 m² | 274 m² | +129 m² +89% | 2024 |
| 43, Glenburnie Road900 m away | 162 m² | 274 m² | +112 m² +69% | 2025 |
| 34, Gambole Road210 m away | 101 m² | 207 m² | +106 m² +105% | 2019 |
| 33, Glenburnie Road900 m away | 79 m² | 182 m² | +103 m² +130% | 2026 |
| 16, Hepdon Mews244 m away | 96 m² | 192 m² | +96 m² +100% | 2021 |
| 22, Bickley Street707 m away | 79 m² | 172 m² | +93 m² +118% | 2018 |
| 68, Alston Road188 m away | 77 m² | 162 m² | +85 m² +110% | 2018 |
| 22, Hebdon Road789 m away | 63 m² | 147 m² | +84 m² +133% | 2025 |
| 57, Undine Street808 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.
| 85 m² |
| 166 m² |
| +81 m² +95% |
| 2026 |
| 45, Longley Road868 m away | 126 m² | 207 m² | +81 m² +64% | 2023 |
|---|
| 18, Brightwell Crescent933 m away | 104 m² | 185 m² | +81 m² +78% | 2019 |
|---|
| 43, Kenlor Road646 m away | 76 m² | 154 m² | +78 m² +103% | 2015 |
|---|
| 5, Walpole Road900 m away | 98 m² | 175 m² | +77 m² +79% | 2023 |
|---|
| 15, Rookstone Road881 m away | 97 m² | 171 m² | +74 m² +76% | 2020 |
|---|
| 33a, Khartoum Road59 m away | 68 m² | 142 m² | +74 m² +109% | 2017 |
|---|
| 26, Hebdon Road789 m away | 66 m² | 138 m² | +72 m² +109% | 2024 |
|---|
| 23, Selkirk Road509 m away | 125 m² | 195 m² | +70 m² +56% | 2015 |
|---|
| 58, Burntwood Lane948 m away | 153 m² | 221 m² | +68 m² +44% | 2015 |
|---|
| 53, Pevensey Road140 m away | 79 m² | 146 m² | +67 m² +85% | 2025 |
|---|
| 55, Briscoe Road834 m away | 46 m² | 113 m² | +67 m² +146% | 2022 |
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| 19, Aldis Street549 m away | 48 m² | 115 m² | +67 m² +140% | 2019 |
|---|
| 43, Hebdon Road747 m away | 103 m² | 168 m² | +65 m² +63% | 2026 |
|---|
| 41, Caxton Road965 m away | 79 m² | 144 m² | +65 m² +82% | 2015 |
|---|
| 12, Robinson Road964 m away | 226 m² | 291 m² | +65 m² +29% | 2014 |
|---|
| 5, Letchworth Street836 m away | 98 m² | 163 m² | +65 m² +66% | 2013 |
|---|
| 173, Upper Tooting Road880 m away | 48 m² | 112 m² | +64 m² +133% | 2015 |
|---|
| 47, Gatton Road542 m away | 88 m² | 151 m² | +63 m² +72% | 2026 |
|---|
| 20, Selkirk Road539 m away | 106 m² | 169 m² | +63 m² +59% | 2025 |
|---|
| 163, Sellincourt Road851 m away | 66 m² | 129 m² | +63 m² +95% | 2025 |
|---|
| 24, Plough Lane951 m away | 106 m² | 169 m² | +63 m² +59% | 2022 |
|---|
| 21, Burntwood Lane984 m away | 124 m² | 186 m² | +62 m² +50% | 2025 |
|---|
| 16, Ashvale Road752 m away | 102 m² | 163 m² | +61 m² +60% | 2023 |
|---|
| 42, Plough Lane951 m away | 92 m² | 153 m² | +61 m² +66% | 2022 |
|---|
| 106, Fishponds Road604 m away | 69 m² | 130 m² | +61 m² +88% | 2019 |
|---|
| 23, Gassiot Road935 m away | 92 m² | 153 m² | +61 m² +66% | 2017 |
|---|
| 2, Brightwell Crescent933 m away | 147 m² | 207 m² | +60 m² +41% | 2024 |
|---|
| 79, Broadwater Road279 m away | 77 m² | 137 m² | +60 m² +78% | 2020 |
|---|
| 111, Burntwood Lane994 m away | 102 m² | 162 m² | +60 m² +59% | 2013 |
|---|
| 29, Glenburnie Road986 m away | 121 m² | 180 m² | +59 m² +49% | 2017 |
|---|
| 22, Keble Street648 m away | 66 m² | 124 m² | +58 m² +88% | 2024 |
|---|
| 50, Havelock Road953 m away | 72 m² | 130 m² | +58 m² +81% | 2023 |
|---|
| 42, Gilbey Road432 m away | 56 m² | 114 m² | +58 m² +104% | 2014 |
|---|
| 23, Kingsley Road973 m away | 87 m² | 144 m² | +57 m² +66% | 2022 |
|---|
| 57, Glenburnie Road900 m away | 115 m² | 172 m² | +57 m² +50% | 2021 |
|---|
| 7, Beeches Road867 m away | 105 m² | 162 m² | +57 m² +54% | 2020 |
|---|
| 35, Letchworth Street836 m away | 106 m² | 162 m² | +56 m² +53% | 2025 |
|---|
| 33, Gateside Road935 m away | 124 m² | 180 m² | +56 m² +45% | 2020 |
|---|
| 47, Rostella Road155 m away | 156 m² | 211 m² | +55 m² +35% | 2026 |
|---|
| 1, Moffat Road636 m away | 86 m² | 141 m² | +55 m² +64% | 2026 |
|---|
| 26, Graveney Road451 m away | 80 m² | 135 m² | +55 m² +69% | 2023 |
|---|
| 22, Boundary Road711 m away | 38 m² | 93 m² | +55 m² +145% | 2023 |
|---|
| 7, Kingsley Road973 m away | 88 m² | 143 m² | +55 m² +63% | 2020 |
|---|
| 24, Franche Court Road851 m away | 78 m² | 133 m² | +55 m² +71% | 2018 |
|---|
| 36, Coverton Road439 m away | 57 m² | 112 m² | +55 m² +96% | 2012 |
|---|
| 56, Wimbledon Road610 m away | 45 m² | 99 m² | +54 m² +120% | 2025 |
|---|
| 13, Boundary Road708 m away | 57 m² | 111 m² | +54 m² +95% | 2025 |
|---|
| 83, Trevelyan Road864 m away | 113 m² | 167 m² | +54 m² +48% | 2025 |
|---|
| 73, Eswyn Road872 m away | 85 m² | 139 m² | +54 m² +64% | 2024 |
|---|
| 16, Huntspill Street691 m away | 81 m² | 135 m² | +54 m² +67% | 2019 |
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| 34, Fleming House, St Georges Grove710 m away | 66 m² | 120 m² | +54 m² +82% | 2019 |
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| 261, Franciscan Road998 m away | 98 m² | 152 m² | +54 m² +55% | 2018 |
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| 39, Alston Road242 m away | 48 m² | 102 m² | +54 m² +113% | 2016 |
|---|
| 1, Sellincourt Road641 m away | 65 m² | 119 m² | +54 m² +83% | 2015 |
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| 9, Bertal Road269 m away | 65 m² | 118 m² | +53 m² +82% | 2025 |
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| 26, Squarey Street651 m away | 84 m² | 137 m² | +53 m² +63% | 2025 |
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| 31, Gateside Road935 m away | 118 m² | 171 m² | +53 m² +45% | 2025 |
|---|
| 26, Valnay Street877 m away | 86 m² | 139 m² | +53 m² +62% | 2024 |
|---|
| 77, Denison Road961 m away | 82 m² | 135 m² | +53 m² +65% | 2024 |
|---|
| 34, Valnay Street877 m away | 93 m² | 146 m² | +53 m² +57% | 2023 |
|---|
| 13, Eswyn Road872 m away | 88 m² | 141 m² | +53 m² +60% | 2022 |
|---|
| 54, Havelock Road953 m away | 76 m² | 129 m² | +53 m² +70% | 2020 |
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| 80, Alston Road188 m away | 76 m² | 129 m² | +53 m² +70% | 2018 |
|---|
| 76a, Fountain Road41 m away | 76 m² | 129 m² | +53 m² +70% | 2011 |
|---|
| 57, Gilbey Road291 m away | 67 m² | 120 m² | +53 m² +79% | 2011 |
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| 53a, Khartoum Road59 m away | 54 m² | 106 m² | +52 m² +96% | 2026 |
|---|
| 31, Garfield Road968 m away | 70 m² | 122 m² | +52 m² +74% | 2026 |
|---|
| 3, Kingsley Road973 m away | 90 m² | 142 m² | +52 m² +58% | 2025 |
|---|
| 108, Trevelyan Road775 m away | 102 m² | 154 m² | +52 m² +51% | 2024 |
|---|
| 19, Valnay Street852 m away | 94 m² | 146 m² | +52 m² +55% | 2024 |
|---|
| 34, Hoyle Road458 m away | 62 m² | 114 m² | +52 m² +84% | 2020 |
|---|
| 14, Graveney Road451 m away | 45 m² | 97 m² | +52 m² +116% | 2017 |
|---|
| 6, Valnay Street877 m away | 90 m² | 142 m² | +52 m² +58% | 2017 |
|---|
| 8, Morven Road883 m away | 107 m² | 159 m² | +52 m² +49% | 2017 |
|---|
| 27, Gateside Road935 m away | 107 m² | 159 m² | +52 m² +49% | 2017 |
|---|
| 74, Gilbey Road297 m away | 62 m² | 114 m² | +52 m² +84% | 2014 |
|---|
| 14, St Cyprians Street735 m away | 96 m² | 148 m² | +52 m² +54% | 2013 |
|---|
| 89, Blackshaw Road375 m away | 72 m² | 123 m² | +51 m² +71% | 2021 |
|---|
| 7, Khama Road286 m away | 78 m² | 129 m² | +51 m² +65% | 2019 |
|---|
| 87, Gassiot Road935 m away | 105 m² | 156 m² | +51 m² +49% | 2016 |
|---|
| 48, Eswyn Road892 m away | 78 m² | 128 m² | +50 m² +64% | 2026 |
|---|
| 82, Gassiot Road917 m away | 107 m² | 157 m² | +50 m² +47% | 2026 |
|---|
| 67, Pevensey Road194 m away | 81 m² | 131 m² | +50 m² +62% | 2023 |
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| 20, Blackshaw Road590 m away | 80 m² | 130 m² | +50 m² +63% | 2023 |
|---|
| 8, Undine Street828 m away | 83 m² | 133 m² | +50 m² +60% | 2022 |
|---|
| 60, Gilbey Road297 m away | 62 m² | 112 m² | +50 m² +81% | 2021 |
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| 61, Burntwood Lane994 m away | 83 m² | 133 m² | +50 m² +60% | 2019 |
|---|
| 87, Eswyn Road872 m away | 91 m² | 141 m² | +50 m² +55% | 2018 |
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| 56, Mellison Road764 m away | 65 m² | 115 m² | +50 m² +77% | 2017 |
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| 43, Broadwater Road421 m away | 82 m² | 131 m² | +49 m² +60% | 2026 |
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| 149, Fountain Road283 m away | 66 m² | 115 m² | +49 m² +74% | 2025 |
|---|
| 7, Eswyn Road872 m away | 82 m² | 131 m² | +49 m² +60% | 2025 |
|---|
| 57, Park Road945 m away | 88 m² | 137 m² | +49 m² +56% | 2023 |
|---|
| 7a, West Gardens812 m away | 58 m² | 107 m² | +49 m² +84% | 2022 |
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| 47, Alston Road242 m away | 58 m² | 107 m² | +49 m² +84% | 2020 |
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| 936, Garratt Lane413 m away | 96 m² | 145 m² | +49 m² +51% | 2018 |
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| 13, Khama Road286 m away | 78 m² | 127 m² | +49 m² +63% | 2017 |
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| 1013, Garratt Lane425 m away | 82 m² | 131 m² | +49 m² +60% | 2017 |
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| 4, Keble Street648 m away | 66 m² | 115 m² | +49 m² +74% | 2014 |
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| 12, St Cyprians Street735 m away | 49 m² | 98 m² | +49 m² +100% | 2012 |
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| 12a, Franche Court Road851 m away | 85 m² | 133 m² | +48 m² +56% | 2025 |
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| 50, Eswyn Road892 m away | 77 m² | 125 m² | +48 m² +62% | 2025 |
|---|
| Flat 3, 93, Gilbey Road291 m away | 70 m² | 118 m² | +48 m² +69% | 2024 |
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| 63, Khama Road286 m away | 94 m² | 142 m² | +48 m² +51% | 2022 |
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| 5a, West Gardens812 m away | 57 m² | 105 m² | +48 m² +84% | 2021 |
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| 31, Franche Court Road881 m away | 123 m² | 171 m² | +48 m² +39% | 2020 |
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| 918, Garratt Lane413 m away | 99 m² | 147 m² | +48 m² +48% | 2018 |
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| 9a, Fairlight Road0 m away | 59 m² | 107 m² | +48 m² +81% | 2015 |
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| 78, Boundary Road711 m away | 45 m² | 92 m² | +47 m² +104% | 2025 |
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| 41, Denison Road961 m away | 66 m² | 113 m² | +47 m² +71% | 2025 |
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| 49, Franche Court Road881 m away | 79 m² | 126 m² | +47 m² +59% | 2024 |
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| 49, Khartoum Road59 m away | 61 m² | 108 m² | +47 m² +77% | 2023 |
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| 24, Longmead Road726 m away | 86 m² | 133 m² | +47 m² +55% | 2023 |
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| 51, Kingsley Road973 m away | 87 m² | 134 m² | +47 m² +54% | 2023 |
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| 6, Letchworth Street836 m away | 106 m² | 153 m² | +47 m² +44% | 2022 |
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| 196, Strathdon Drive564 m away | 60 m² | 107 m² | +47 m² +78% | 2018 |
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| 42, Denison Road958 m away | 77 m² | 124 m² | +47 m² +61% | 2017 |
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| 12, Wimbledon Road548 m away | 99 m² | 146 m² | +47 m² +47% | 2016 |
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| 28, Hebdon Road789 m away | 107 m² | 153 m² | +46 m² +43% | 2026 |
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| 24, Fountain Road41 m away | 55 m² | 101 m² | +46 m² +84% | 2020 |
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| 141, Boundary Road848 m away | 99 m² | 145 m² | +46 m² +46% | 2020 |
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| 61, Eswyn Road872 m away | 77 m² | 123 m² | +46 m² +60% | 2019 |
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| 49, Rogers Road325 m away | 86 m² | 132 m² | +46 m² +53% | 2018 |
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| 19, Squarey Street651 m away | 85 m² | 131 m² | +46 m² +54% | 2018 |
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| 33, Woodbury Street667 m away | 68 m² | 114 m² | +46 m² +68% | 2018 |
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| 64, Mellison Road764 m away | 65 m² | 111 m² | +46 m² +71% | 2018 |
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| 36, Graveney Road451 m away | 98 m² | 144 m² | +46 m² +47% | 2016 |
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| 92, Franche Court Road851 m away | 79 m² | 125 m² | +46 m² +58% | 2014 |
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| 33, Huntspill Street691 m away | 78 m² | 124 m² | +46 m² +59% | 2011 |
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| 147, Sellincourt Road851 m away | 68 m² | 113 m² | +45 m² +66% | 2026 |
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| 708, Garratt Lane576 m away | 97 m² | 142 m² | +45 m² +46% | 2025 |
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| 99, Sellincourt Road851 m away | 68 m² | 113 m² | +45 m² +66% | 2025 |
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| 99, Eswyn Road872 m away | 95 m² | 140 m² | +45 m² +47% | 2025 |
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| 32, University Road994 m away | 68 m² | 113 m² | +45 m² +66% | 2025 |
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| 9, Rogers Road325 m away | 99 m² | 144 m² | +45 m² +45% | 2021 |
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| 44, Huntspill Street691 m away | 83 m² | 128 m² | +45 m² +54% | 2019 |
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| 149, Sellincourt Road851 m away | 69 m² | 114 m² | +45 m² +65% | 2019 |
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| 52, Valnay Street877 m away | 87 m² | 132 m² | +45 m² +52% | 2019 |
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| 2, Kingsley Road973 m away | 101 m² | 146 m² | +45 m² +45% | 2018 |
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| 4, Aboyne Road646 m away | 52 m² | 97 m² | +45 m² +87% | 2016 |
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| 75, Sellincourt Road851 m away | 67 m² | 112 m² | +45 m² +67% | 2016 |
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| 12, Huntspill Street691 m away | 83 m² | 128 m² | +45 m² +54% | 2015 |
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| 32, Burmester Road771 m away | 70 m² | 115 m² | +45 m² +64% | 2015 |
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| 42, Chasefield Road982 m away | 84 m² | 129 m² | +45 m² +54% | 2015 |
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| 61, Gatton Road542 m away | 78 m² | 122 m² | +44 m² +56% | 2026 |
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| 9, Smallwood Road213 m away | 79 m² | 123 m² | +44 m² +56% | 2025 |
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| 202, Mellison Road720 m away | 77 m² | 121 m² | +44 m² +57% | 2025 |
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| 14, Sellincourt Road680 m away | 69 m² | 113 m² | +44 m² +64% | 2024 |
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| 69, Bickley Street739 m away | 68 m² | 112 m² | +44 m² +65% | 2024 |
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| 48, Alston Road188 m away | 84 m² | 128 m² | +44 m² +52% | 2023 |
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| 16, Khama Road243 m away | 86 m² | 130 m² | +44 m² +51% | 2022 |
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| 41, Chasefield Road961 m away | 73 m² | 117 m² | +44 m² +60% | 2022 |
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| 111, Totterdown Street839 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
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| 263, Franciscan Road998 m away | 97 m² | 141 m² | +44 m² +45% | 2021 |
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| 63, Fairlight Road0 m away | 58 m² | 102 m² | +44 m² +76% | 2016 |
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| 38, Aboyne Road646 m away | 78 m² | 122 m² | +44 m² +56% | 2013 |
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| 51, Burmester Road771 m away | 75 m² | 118 m² | +43 m² +57% | 2026 |
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| 18, Selkirk Road539 m away | 106 m² | 149 m² | +43 m² +41% | 2025 |
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| 3, Undine Street808 m away | 120 m² | 163 m² | +43 m² +36% | 2025 |
|---|
| 30, Alston Road188 m away | 82 m² | 125 m² | +43 m² +52% | 2024 |
|---|
| 31, Hereward Road660 m away | 74 m² | 117 m² | +43 m² +58% | 2024 |
|---|
| 28, Valnay Street877 m away | 95 m² | 138 m² | +43 m² +45% | 2023 |
|---|
| 70, Valnay Street877 m away | 90 m² | 133 m² | +43 m² +48% | 2023 |
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| 29, Himley Road846 m away | 110 m² | 153 m² | +43 m² +39% | 2022 |
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| 91, Blackshaw Road375 m away | 74 m² | 117 m² | +43 m² +58% | 2021 |
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| 85, Chasefield Road961 m away | 77 m² | 120 m² | +43 m² +56% | 2021 |
|---|
| 61, Alston Road212 m away | 80 m² | 123 m² | +43 m² +54% | 2020 |
|---|
| 30, Ashvale Road752 m away | 99 m² | 142 m² | +43 m² +43% | 2020 |
|---|
| 32, Denison Road958 m away | 41 m² | 84 m² | +43 m² +105% | 2020 |
|---|
| 65, Fairlight Road0 m away | 59 m² | 102 m² | +43 m² +73% | 2019 |
|---|
| 20, Coverton Road439 m away | 59 m² | 102 m² | +43 m² +73% | 2019 |
|---|
| 43, Gravenel Gardens695 m away | 65 m² | 108 m² | +43 m² +66% | 2018 |
|---|
| 5, Bellew Street644 m away | 95 m² | 138 m² | +43 m² +45% | 2017 |
|---|
| 40, Huntspill Street691 m away | 91 m² | 134 m² | +43 m² +47% | 2014 |
|---|
| 44, Franche Court Road851 m away | 78 m² | 121 m² | +43 m² +55% | 2014 |
|---|
| Flat 5, 10 - 12, High Street Colliers Wood801 m away | 35 m² | 78 m² | +43 m² +123% | 2013 |
|---|
| 28, Ashvale Road752 m away | 112 m² | 155 m² | +43 m² +38% | 2012 |
|---|
| 20, St Cyprians Street735 m away | 100 m² | 142 m² | +42 m² +42% | 2026 |
|---|
| 52, Himley Road836 m away | 66 m² | 108 m² | +42 m² +64% | 2026 |
|---|
| 6, Lessingham Avenue888 m away | 73 m² | 115 m² | +42 m² +58% | 2026 |
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| 15, Gassiot Road935 m away | 120 m² | 162 m² | +42 m² +35% | 2026 |
|---|
| 26, Kimble Road675 m away | 43 m² | 85 m² | +42 m² +98% | 2025 |
|---|
| 50, Huntspill Street691 m away | 84 m² | 126 m² | +42 m² +50% | 2025 |
|---|
| 35, Boundary Road708 m away | 63 m² | 105 m² | +42 m² +67% | 2024 |
|---|
| 25a, Fairlight Road0 m away | 60 m² | 102 m² | +42 m² +70% | 2022 |
|---|
| 49, Fountain Road76 m away | 77 m² | 119 m² | +42 m² +55% | 2022 |
|---|
| 977, Garratt Lane233 m away | 93 m² | 135 m² | +42 m² +45% | 2022 |
|---|
| 38, Totterdown Street771 m away | 116 m² | 158 m² | +42 m² +36% | 2021 |
|---|
| 167, Fountain Road283 m away | 64 m² | 106 m² | +42 m² +66% | 2019 |
|---|
| 3, Bellew Street644 m away | 88 m² | 130 m² | +42 m² +48% | 2019 |
|---|
| 7, Worslade Road280 m away | 67 m² | 109 m² | +42 m² +63% | 2018 |
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