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 KT3 5DA
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 |
|---|---|---|---|---|
| 49, Westbury Road764 m away | 115 m² | 284 m² | +169 m² +147% | 2023 |
| 17, Nelson Road889 m away | 130 m² | 269 m² | +139 m² +107% | 2011 |
| 18, Nelson Road889 m away | 112 m² | 244 m² | +132 m² +118% | 2018 |
| 94, Westbury Road892 m away | 350 m² | 481 m² | +131 m² +37% | 2021 |
| 2, Maria Theresa Close827 m away | 136 m² | 264 m² | +128 m² +94% | 2016 |
| 149, Thetford Road865 m away | 136 m² | 254 m² | +118 m² +87% | 2014 |
| 19, Selwyn Road633 m away | 132 m² | 248 m² | +116 m² +88% | 2017 |
| 39, Nelson Road889 m away | 157 m² | 267 m² | +110 m² +70% | 2025 |
| 23, Parkside Crescent990 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.
| 88 m² |
| 197 m² |
| +109 m² +124% |
| 2014 |
| 257, Raeburn Avenue518 m away | 77 m² | 180 m² | +103 m² +134% | 2025 |
|---|
| 19, Lynton Road740 m away | 99 m² | 201 m² | +102 m² +103% | 2022 |
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| 26, Selwyn Road657 m away | 148 m² | 244 m² | +96 m² +65% | 2022 |
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| 52, Eton Avenue565 m away | 86 m² | 176 m² | +90 m² +105% | 2023 |
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| 31, Nelson Road889 m away | 154 m² | 244 m² | +90 m² +58% | 2023 |
|---|
| 45, Nelson Road810 m away | 166 m² | 255 m² | +89 m² +54% | 2022 |
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| 20, Grayham Road483 m away | 83 m² | 171 m² | +88 m² +106% | 2022 |
|---|
| 66, Berrylands844 m away | 96 m² | 184 m² | +88 m² +92% | 2018 |
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| 58, Berrylands844 m away | 139 m² | 226 m² | +87 m² +63% | 2013 |
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| 22, Cotsford Avenue519 m away | 168 m² | 254 m² | +86 m² +51% | 2023 |
|---|
| 35, Albemarle Gardens542 m away | 96 m² | 180 m² | +84 m² +88% | 2022 |
|---|
| 22, The Ridings933 m away | 114 m² | 198 m² | +84 m² +74% | 2020 |
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| 62, Elmbridge Avenue927 m away | 84 m² | 166 m² | +82 m² +98% | 2025 |
|---|
| 18, Groveland Way452 m away | 75 m² | 157 m² | +82 m² +109% | 2019 |
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| 47, Elmbridge Avenue949 m away | 111 m² | 189 m² | +78 m² +70% | 2020 |
|---|
| 9, Cotsford Avenue519 m away | 179 m² | 255 m² | +76 m² +42% | 2017 |
|---|
| 82, Kingston Road715 m away | 130 m² | 203 m² | +73 m² +56% | 2025 |
|---|
| 112, South Lane971 m away | 116 m² | 187 m² | +71 m² +61% | 2020 |
|---|
| 46, Albemarle Gardens521 m away | 94 m² | 164 m² | +70 m² +74% | 2024 |
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| 14, Mount Road685 m away | 79 m² | 149 m² | +70 m² +89% | 2023 |
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| 118, Chiltern Drive573 m away | 62 m² | 131 m² | +69 m² +111% | 2011 |
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| 75, Berrylands872 m away | 164 m² | 231 m² | +67 m² +41% | 2025 |
|---|
| 82, South Lane867 m away | 98 m² | 165 m² | +67 m² +68% | 2019 |
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| 14, South Lane406 m away | 84 m² | 150 m² | +66 m² +79% | 2025 |
|---|
| 31, The Roystons699 m away | 75 m² | 141 m² | +66 m² +88% | 2017 |
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| 20, Groveland Way452 m away | 71 m² | 136 m² | +65 m² +92% | 2026 |
|---|
| 47, Chiltern Drive833 m away | 108 m² | 172 m² | +64 m² +59% | 2018 |
|---|
| 13, Selwyn Road633 m away | 149 m² | 213 m² | +64 m² +43% | 2015 |
|---|
| 72, Elm Road720 m away | 85 m² | 148 m² | +63 m² +74% | 2024 |
|---|
| 36, Groveland Way452 m away | 70 m² | 133 m² | +63 m² +90% | 2023 |
|---|
| 54, Elmbridge Avenue927 m away | 110 m² | 173 m² | +63 m² +57% | 2019 |
|---|
| 12, Warwick Road686 m away | 58 m² | 121 m² | +63 m² +109% | 2014 |
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| 59, Nelson Road810 m away | 133 m² | 195 m² | +62 m² +47% | 2015 |
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| 39, Selwyn Road633 m away | 102 m² | 163 m² | +61 m² +60% | 2022 |
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| 71, Windsor Avenue672 m away | 99 m² | 160 m² | +61 m² +62% | 2022 |
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| 118, Surbiton Hill Park598 m away | 94 m² | 154 m² | +60 m² +64% | 2021 |
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| 21, Melrose Gardens789 m away | 91 m² | 150 m² | +59 m² +65% | 2022 |
|---|
| 15, South Lane360 m away | 48 m² | 106 m² | +58 m² +121% | 2020 |
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| 139, Surbiton Hill Park840 m away | 84 m² | 142 m² | +58 m² +69% | 2019 |
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| 85, Lime Grove974 m away | 96 m² | 152 m² | +56 m² +58% | 2026 |
|---|
| 40, Kingscote Road824 m away | 58 m² | 114 m² | +56 m² +97% | 2014 |
|---|
| 23a, Long Walk884 m away | 61 m² | 117 m² | +56 m² +92% | 2013 |
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| 15, Cotsford Avenue519 m away | 122 m² | 177 m² | +55 m² +45% | 2011 |
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| 11, Virginia Close356 m away | 64 m² | 118 m² | +54 m² +84% | 2025 |
|---|
| 22, Selwyn Road657 m away | 146 m² | 200 m² | +54 m² +37% | 2024 |
|---|
| 35, Fleetwood Road839 m away | 73 m² | 127 m² | +54 m² +74% | 2023 |
|---|
| 1, Grayham Crescent589 m away | 100 m² | 154 m² | +54 m² +54% | 2019 |
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| 101, Elmbridge Avenue772 m away | 98 m² | 152 m² | +54 m² +55% | 2019 |
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| 56, Surbiton Hill Park888 m away | 117 m² | 170 m² | +53 m² +45% | 2022 |
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| 3, Mount Pleasant Road921 m away | 70 m² | 123 m² | +53 m² +76% | 2020 |
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| 13, King Henrys Road863 m away | 68 m² | 120 m² | +52 m² +76% | 2025 |
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| 97, Surbiton Hill Park840 m away | 78 m² | 130 m² | +52 m² +67% | 2024 |
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| 1, Rosemont Road712 m away | 89 m² | 141 m² | +52 m² +58% | 2023 |
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| 93, Greenfield Avenue908 m away | 90 m² | 142 m² | +52 m² +58% | 2023 |
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| 330, Raeburn Avenue534 m away | 91 m² | 143 m² | +52 m² +57% | 2017 |
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| 44, Elm Road686 m away | 95 m² | 146 m² | +51 m² +54% | 2024 |
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| 176, Raeburn Avenue958 m away | 118 m² | 169 m² | +51 m² +43% | 2023 |
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| 270, Raeburn Avenue534 m away | 111 m² | 162 m² | +51 m² +46% | 2022 |
|---|
| 110, Elm Road889 m away | 93 m² | 144 m² | +51 m² +55% | 2019 |
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| 85, Grand Avenue940 m away | 53 m² | 104 m² | +51 m² +96% | 2019 |
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| 36, Highclere Road676 m away | 81 m² | 132 m² | +51 m² +63% | 2014 |
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| 10, Albany Road731 m away | 90 m² | 140 m² | +50 m² +56% | 2022 |
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| 291, Kingston Road597 m away | 107 m² | 157 m² | +50 m² +47% | 2020 |
|---|
| 15, Highbury Close203 m away | 69 m² | 118 m² | +49 m² +71% | 2025 |
|---|
| 10, Beech Grove865 m away | 78 m² | 127 m² | +49 m² +63% | 2021 |
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| 42, Pembroke Avenue459 m away | 91 m² | 139 m² | +48 m² +53% | 2024 |
|---|
| 71, Greenfield Avenue908 m away | 56 m² | 104 m² | +48 m² +86% | 2023 |
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| 10, Waverley Avenue811 m away | 86 m² | 134 m² | +48 m² +56% | 2016 |
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| 72, Lime Grove974 m away | 107 m² | 155 m² | +48 m² +45% | 2015 |
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| 25, Highclere Road676 m away | 90 m² | 138 m² | +48 m² +53% | 2012 |
|---|
| 39, Bazalgette Gardens726 m away | 96 m² | 143 m² | +47 m² +49% | 2024 |
|---|
| 32, Long Walk884 m away | 73 m² | 120 m² | +47 m² +64% | 2022 |
|---|
| 30, Waverley Avenue811 m away | 88 m² | 134 m² | +46 m² +52% | 2026 |
|---|
| 308, Kingston Road617 m away | 76 m² | 122 m² | +46 m² +61% | 2025 |
|---|
| 121, Grand Avenue800 m away | 95 m² | 141 m² | +46 m² +48% | 2023 |
|---|
| 40, King Henrys Road863 m away | 73 m² | 119 m² | +46 m² +63% | 2018 |
|---|
| 12b, Fairmead Close889 m away | 77 m² | 123 m² | +46 m² +60% | 2015 |
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| 35, Selwyn Road633 m away | 104 m² | 149 m² | +45 m² +43% | 2023 |
|---|
| 67, Mount Road847 m away | 100 m² | 145 m² | +45 m² +45% | 2021 |
|---|
| 137, Raeburn Avenue986 m away | 116 m² | 161 m² | +45 m² +39% | 2016 |
|---|
| 265, Raeburn Avenue518 m away | 89 m² | 133 m² | +44 m² +49% | 2025 |
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| 280, Raeburn Avenue534 m away | 98 m² | 142 m² | +44 m² +45% | 2025 |
|---|
| 25, Melrose Gardens789 m away | 76 m² | 120 m² | +44 m² +58% | 2019 |
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| 23, Pembroke Avenue542 m away | 115 m² | 159 m² | +44 m² +38% | 2018 |
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| 8, Poplar Grove874 m away | 106 m² | 150 m² | +44 m² +42% | 2017 |
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| 54, Northcote Road616 m away | 86 m² | 130 m² | +44 m² +51% | 2014 |
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| 22, Mount Road685 m away | 84 m² | 127 m² | +43 m² +51% | 2020 |
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| 84, South Lane867 m away | 126 m² | 168 m² | +42 m² +33% | 2026 |
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| 35, South Lane382 m away | 75 m² | 117 m² | +42 m² +56% | 2025 |
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| 88, Elmbridge Avenue927 m away | 106 m² | 148 m² | +42 m² +40% | 2025 |
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| 56, Elmbridge Avenue927 m away | 157 m² | 199 m² | +42 m² +27% | 2017 |
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| 245, Raeburn Avenue518 m away | 94 m² | 135 m² | +41 m² +44% | 2024 |
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| 72, Douglas Road917 m away | 70 m² | 111 m² | +41 m² +59% | 2024 |
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| 18, Sandal Road854 m away | 158 m² | 199 m² | +41 m² +26% | 2017 |
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| 35, Kingscote Road824 m away | 57 m² | 98 m² | +41 m² +72% | 2014 |
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| 58, Green Lane289 m away | 88 m² | 128 m² | +40 m² +45% | 2024 |
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| 41, Pembroke Avenue542 m away | 102 m² | 142 m² | +40 m² +39% | 2023 |
|---|
| 9a, Camellia Lane420 m away | 98 m² | 138 m² | +40 m² +41% | 2022 |
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| 15, Albemarle Gardens542 m away | 117 m² | 157 m² | +40 m² +34% | 2022 |
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| 21, Pembroke Avenue542 m away | 103 m² | 143 m² | +40 m² +39% | 2018 |
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| 81, South Lane435 m away | 80 m² | 119 m² | +39 m² +49% | 2026 |
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| 44, Mount Road759 m away | 76 m² | 115 m² | +39 m² +51% | 2024 |
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| 3, The Ridings891 m away | 113 m² | 152 m² | +39 m² +35% | 2023 |
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| 56, Mount Road847 m away | 96 m² | 135 m² | +39 m² +41% | 2020 |
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| 81, Green Lane247 m away | 83 m² | 121 m² | +38 m² +46% | 2023 |
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| 5, Elm Road658 m away | 92 m² | 130 m² | +38 m² +41% | 2022 |
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| 85, Franks Avenue187 m away | 83 m² | 121 m² | +38 m² +46% | 2014 |
|---|
| 12, Melrose Gardens789 m away | 73 m² | 111 m² | +38 m² +52% | 2014 |
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| 3, Barnsbury Close332 m away | 120 m² | 157 m² | +37 m² +31% | 2024 |
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| 54, The Crescent975 m away | 89 m² | 126 m² | +37 m² +42% | 2023 |
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| 10, Montem Road865 m away | 126 m² | 163 m² | +37 m² +29% | 2022 |
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| 95a, Chestnut Grove930 m away | 46 m² | 83 m² | +37 m² +80% | 2020 |
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| 43, Eton Avenue600 m away | 90 m² | 127 m² | +37 m² +41% | 2018 |
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| 36, Albemarle Gardens521 m away | 102 m² | 138 m² | +36 m² +35% | 2026 |
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| 24, Groveland Way452 m away | 89 m² | 125 m² | +36 m² +40% | 2024 |
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| 29, Beresford Road260 m away | 79 m² | 115 m² | +36 m² +46% | 2022 |
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| 37, Pembroke Avenue542 m away | 99 m² | 135 m² | +36 m² +36% | 2021 |
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| 20, Highbury Close203 m away | 111 m² | 147 m² | +36 m² +32% | 2020 |
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| 48, Cleveland Road970 m away | 96 m² | 132 m² | +36 m² +38% | 2013 |
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| 126, Kingston Road527 m away | 145 m² | 181 m² | +36 m² +25% | 2009 |
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| 82, Elm Road784 m away | 83 m² | 118 m² | +35 m² +42% | 2025 |
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| 136, Elm Road908 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
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| 24, Mount Road685 m away | 97 m² | 132 m² | +35 m² +36% | 2024 |
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| 75, Green Lane247 m away | 120 m² | 155 m² | +35 m² +29% | 2023 |
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| 201, Kingston Road403 m away | 63 m² | 98 m² | +35 m² +56% | 2018 |
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| 41, Mount Road759 m away | 98 m² | 133 m² | +35 m² +36% | 2012 |
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| 116, Elm Road889 m away | 93 m² | 128 m² | +35 m² +38% | 2012 |
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| 29, Beech Grove865 m away | 96 m² | 130 m² | +34 m² +35% | 2025 |
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| 26, Highclere Road676 m away | 78 m² | 112 m² | +34 m² +44% | 2021 |
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| 41, Nelson Road810 m away | 174 m² | 208 m² | +34 m² +20% | 2017 |
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| 39, Willow Road174 m away | 89 m² | 122 m² | +33 m² +37% | 2026 |
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| 31, Potters Grove218 m away | 97 m² | 130 m² | +33 m² +34% | 2026 |
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| 16, Selwyn Road657 m away | 167 m² | 200 m² | +33 m² +20% | 2024 |
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| 118, Elm Road889 m away | 99 m² | 132 m² | +33 m² +33% | 2024 |
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| 134, Grand Avenue741 m away | 95 m² | 128 m² | +33 m² +35% | 2023 |
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| 14, Parkside Crescent990 m away | 82 m² | 115 m² | +33 m² +40% | 2023 |
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| 95, Elmbridge Avenue772 m away | 87 m² | 120 m² | +33 m² +38% | 2022 |
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| 13, Mount Pleasant Road921 m away | 113 m² | 146 m² | +33 m² +29% | 2013 |
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| 7, Groveland Way452 m away | 90 m² | 122 m² | +32 m² +36% | 2026 |
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| 68, Pembroke Avenue459 m away | 95 m² | 127 m² | +32 m² +34% | 2025 |
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| 18, Cotsford Avenue519 m away | 213 m² | 245 m² | +32 m² +15% | 2021 |
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| 46c, Mount Road759 m away | 88 m² | 120 m² | +32 m² +36% | 2021 |
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| 127, Chestnut Grove770 m away | 80 m² | 112 m² | +32 m² +40% | 2021 |
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| 281, Raeburn Avenue518 m away | 74 m² | 106 m² | +32 m² +43% | 2019 |
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| 49, Albany Road731 m away | 81 m² | 113 m² | +32 m² +40% | 2019 |
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| 93, Lime Grove974 m away | 118 m² | 150 m² | +32 m² +27% | 2018 |
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| 6, Melrose Gardens789 m away | 65 m² | 97 m² | +32 m² +49% | 2012 |
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| 25, Groveland Way452 m away | 87 m² | 118 m² | +31 m² +36% | 2026 |
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| 11, Green Lane391 m away | 110 m² | 141 m² | +31 m² +28% | 2025 |
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| 125, Elmbridge Avenue649 m away | 145 m² | 176 m² | +31 m² +21% | 2024 |
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| 2, Roebuck Court, 29, Rodney Road997 m away | 40 m² | 71 m² | +31 m² +78% | 2023 |
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| 38, Kingston Road974 m away | 112 m² | 143 m² | +31 m² +28% | 2022 |
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| 42, Cleveland Road970 m away | 86 m² | 117 m² | +31 m² +36% | 2020 |
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| 29, Mount Road759 m away | 96 m² | 127 m² | +31 m² +32% | 2018 |
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| 6, Mount Pleasant Road921 m away | 106 m² | 136 m² | +30 m² +28% | 2024 |
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| 132, Elm Road908 m away | 91 m² | 121 m² | +30 m² +33% | 2023 |
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| 74, Chestnut Grove930 m away | 69 m² | 99 m² | +30 m² +43% | 2021 |
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| 24, Rose Walk339 m away | 97 m² | 127 m² | +30 m² +31% | 2020 |
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| 28, Kingscote Road824 m away | 66 m² | 96 m² | +30 m² +45% | 2016 |
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| 4, The Ridings933 m away | 105 m² | 135 m² | +30 m² +29% | 2016 |
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| 22, Cleveland Road970 m away | 70 m² | 100 m² | +30 m² +43% | 2014 |
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| 5, Kingscote Road824 m away | 71 m² | 100 m² | +29 m² +41% | 2019 |
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| 379, Kingston Road597 m away | 50 m² | 79 m² | +29 m² +58% | 2018 |
|---|
| 1, Barnsbury Close332 m away | 74 m² | 103 m² | +29 m² +39% | 2014 |
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| 66, Franks Avenue207 m away | 88 m² | 117 m² | +29 m² +33% | 2013 |
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| 20, Mount Road685 m away | 103 m² | 131 m² | +28 m² +27% | 2024 |
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| 12a, The Crest969 m away | 162 m² | 190 m² | +28 m² +17% | 2023 |
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| 4, Grayham Crescent589 m away | 92 m² | 120 m² | +28 m² +30% | 2022 |
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| 25, Beech Grove865 m away | 92 m² | 120 m² | +28 m² +30% | 2017 |
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| 20, Penrith Road789 m away | 145 m² | 173 m² | +28 m² +19% | 2015 |
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| 84, Elm Road784 m away | 81 m² | 109 m² | +28 m² +35% | 2013 |
|---|
| 15, Franks Avenue187 m away | 82 m² | 109 m² | +27 m² +33% | 2024 |
|---|
| 36b, Bazalgette Gardens726 m away | 50 m² | 77 m² | +27 m² +54% | 2023 |
|---|
| 87, South Lane435 m away | 87 m² | 114 m² | +27 m² +31% | 2021 |
|---|
| 148, Elmbridge Avenue625 m away | 106 m² | 133 m² | +27 m² +25% | 2021 |
|---|
| 193, Kingston Road403 m away | 70 m² | 97 m² | +27 m² +39% | 2020 |
|---|
| 43, Willow Road174 m away | 80 m² | 107 m² | +27 m² +34% | 2019 |
|---|
| 33, Fleetwood Road839 m away | 33 m² | 60 m² | +27 m² +82% | 2019 |
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| 45, South Lane382 m away | 79 m² | 105 m² | +26 m² +33% | 2026 |
|---|
| 137, Grand Avenue800 m away | 85 m² | 111 m² | +26 m² +31% | 2025 |
|---|
| 71, Fleetwood Road839 m away | 69 m² | 95 m² | +26 m² +38% | 2024 |
|---|
| 32, The Ridings933 m away | 93 m² | 119 m² | +26 m² +28% | 2024 |
|---|
| 49, Montem Road940 m away | 104 m² | 130 m² | +26 m² +25% | 2023 |
|---|
| 91, Northcote Road584 m away | 74 m² | 100 m² | +26 m² +35% | 2020 |
|---|
| 18, Beech Grove865 m away | 81 m² | 107 m² | +26 m² +32% | 2019 |
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| 7, Dorchester Mews595 m away | 39 m² | 65 m² | +26 m² +67% | 2018 |
|---|
| 37, Franks Avenue187 m away | 97 m² | 123 m² | +26 m² +27% | 2016 |
|---|
| 22, Bazalgette Gardens726 m away | 91 m² | 117 m² | +26 m² +29% | 2012 |
|---|
| 250, Raeburn Avenue786 m away | 122 m² | 147 m² | +25 m² +20% | 2026 |
|---|
| 58, Elmbridge Avenue927 m away | 115 m² | 140 m² | +25 m² +22% | 2026 |
|---|
| 16, Charter Road924 m away | 117 m² | 142 m² | +25 m² +21% | 2023 |
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