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 CR0 3PN
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 |
|---|---|---|---|---|
| 60, Oakfield Road933 m away | 120 m² | 236 m² | +116 m² +97% | 2026 |
| 26, Hathaway Road607 m away | 94 m² | 196 m² | +102 m² +109% | 2024 |
| 182, Bensham Lane855 m away | 90 m² | 181 m² | +91 m² +101% | 2023 |
| 3, Onslow Road464 m away | 71 m² | 152 m² | +81 m² +114% | 2022 |
| 11, Farquharson Road814 m away | 125 m² | 203 m² | +78 m² +62% | 2017 |
| 129, Bensham Lane817 m away | 82 m² | 155 m² | +73 m² +89% | 2016 |
| 12, St James'S Park827 m away | 118 m² | 190 m² | +72 m² +61% | 2026 |
| 14, Miller Road674 m away | 69 m² | 139 m² | +70 m² +101% | 2025 |
| 52, Keston Road665 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.
| 78 m² |
| 146 m² |
| +68 m² +87% |
| 2025 |
| 61, St Saviours Road680 m away | 99 m² | 167 m² | +68 m² +69% | 2024 |
|---|
| 27, Pemdevon Road169 m away | 90 m² | 155 m² | +65 m² +72% | 2026 |
|---|
| 36, Silverleigh Road997 m away | 84 m² | 148 m² | +64 m² +76% | 2026 |
|---|
| 174, Bensham Lane855 m away | 117 m² | 180 m² | +63 m² +54% | 2022 |
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| 25, Canterbury Road158 m away | 181 m² | 244 m² | +63 m² +35% | 2019 |
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| 37a, Kidderminster Road697 m away | 73 m² | 135 m² | +62 m² +85% | 2023 |
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| 1, Rosedene Avenue906 m away | 47 m² | 109 m² | +62 m² +132% | 2020 |
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| 23, Ringwood Avenue926 m away | 64 m² | 125 m² | +61 m² +95% | 2021 |
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| 6, Kingswood Avenue779 m away | 96 m² | 157 m² | +61 m² +64% | 2020 |
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| 14, Martin Crescent785 m away | 85 m² | 144 m² | +59 m² +69% | 2026 |
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| 79, Pemdevon Road197 m away | 84 m² | 142 m² | +58 m² +69% | 2024 |
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| 23, Lodge Road531 m away | 103 m² | 161 m² | +58 m² +56% | 2023 |
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| Elizabeth House, 97, St James'S Road860 m away | 332 m² | 390 m² | +58 m² +17% | 2019 |
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| 26a, Lodge Road568 m away | 64 m² | 121 m² | +57 m² +89% | 2025 |
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| 80, Harcourt Road544 m away | 76 m² | 132 m² | +56 m² +74% | 2026 |
|---|
| 23, Pemdevon Road169 m away | 78 m² | 133 m² | +55 m² +71% | 2022 |
|---|
| 24, Kidderminster Road767 m away | 181 m² | 236 m² | +55 m² +30% | 2020 |
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| 52, Limpsfield Avenue959 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 84, Frant Road852 m away | 76 m² | 130 m² | +54 m² +71% | 2023 |
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| 419, Mitcham Road791 m away | 75 m² | 129 m² | +54 m² +72% | 2016 |
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| 46, Lavender Road917 m away | 81 m² | 134 m² | +53 m² +65% | 2025 |
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| 31, Canterbury Road158 m away | 122 m² | 175 m² | +53 m² +43% | 2024 |
|---|
| 19, Mitcham Road679 m away | 101 m² | 154 m² | +53 m² +52% | 2022 |
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| 85, Greenside Road47 m away | 102 m² | 154 m² | +52 m² +51% | 2015 |
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| 7, Earlswood Avenue829 m away | 78 m² | 130 m² | +52 m² +67% | 2015 |
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| 20, Silverleigh Road997 m away | 89 m² | 139 m² | +50 m² +56% | 2025 |
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| 48, Nova Road664 m away | 114 m² | 164 m² | +50 m² +44% | 2023 |
|---|
| 2, Dunheved Road West556 m away | 145 m² | 195 m² | +50 m² +34% | 2018 |
|---|
| 14, Curzon Road679 m away | 74 m² | 123 m² | +49 m² +66% | 2024 |
|---|
| 25, Frant Road715 m away | 106 m² | 155 m² | +49 m² +46% | 2022 |
|---|
| 113, St Saviours Road680 m away | 108 m² | 157 m² | +49 m² +45% | 2021 |
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| Flat 88, City House, 420, London Road266 m away | 45 m² | 93 m² | +48 m² +107% | 2025 |
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| 25, Lavender Road917 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
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| 89, Ockley Road805 m away | 60 m² | 108 m² | +48 m² +80% | 2015 |
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| 27, Kidderminster Road697 m away | 152 m² | 200 m² | +48 m² +32% | 2010 |
|---|
| 86, Bensham Lane558 m away | 61 m² | 108 m² | +47 m² +77% | 2021 |
|---|
| 24, Ringwood Avenue818 m away | 39 m² | 86 m² | +47 m² +121% | 2019 |
|---|
| 60, St James'S Road601 m away | 79 m² | 125 m² | +46 m² +58% | 2025 |
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| 85, Harcourt Road572 m away | 77 m² | 123 m² | +46 m² +60% | 2024 |
|---|
| 73, Broughton Road752 m away | 80 m² | 126 m² | +46 m² +57% | 2024 |
|---|
| 34, Woodcroft Road666 m away | 57 m² | 103 m² | +46 m² +81% | 2023 |
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| 54, St. James Court, St James'S Road466 m away | 69 m² | 115 m² | +46 m² +67% | 2010 |
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| 5, Kemp Gardens749 m away | 75 m² | 119 m² | +44 m² +59% | 2026 |
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| Flat 38, 390, London Road259 m away | 123 m² | 167 m² | +44 m² +36% | 2021 |
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| 9, Earlswood Avenue829 m away | 79 m² | 123 m² | +44 m² +56% | 2021 |
|---|
| 176, Bensham Lane855 m away | 82 m² | 126 m² | +44 m² +54% | 2021 |
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| 36, Cecil Road679 m away | 48 m² | 91 m² | +43 m² +90% | 2026 |
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| 89, St Saviours Road680 m away | 99 m² | 142 m² | +43 m² +43% | 2025 |
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| 32, Thornhill Road926 m away | 88 m² | 131 m² | +43 m² +49% | 2025 |
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| 675b, London Road782 m away | 54 m² | 97 m² | +43 m² +80% | 2024 |
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| 38, Woodcroft Road666 m away | 103 m² | 146 m² | +43 m² +42% | 2023 |
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| 173, Brigstock Road997 m away | 197 m² | 239 m² | +42 m² +21% | 2026 |
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| 25, Broad Green Avenue372 m away | 38 m² | 80 m² | +42 m² +111% | 2025 |
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| 47, Thomson Crescent559 m away | 71 m² | 113 m² | +42 m² +59% | 2025 |
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| 16, Donald Road442 m away | 96 m² | 138 m² | +42 m² +44% | 2019 |
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| 8, Kidderminster Road767 m away | 57 m² | 99 m² | +42 m² +74% | 2017 |
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| 25, Chatfield Road588 m away | 133 m² | 174 m² | +41 m² +31% | 2025 |
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| 14, Brading Road871 m away | 87 m² | 128 m² | +41 m² +47% | 2025 |
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| 82, Pemdevon Road156 m away | 81 m² | 122 m² | +41 m² +51% | 2020 |
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| 54, Woodcroft Road666 m away | 77 m² | 118 m² | +41 m² +53% | 2019 |
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| 32, Thornton Avenue760 m away | 71 m² | 112 m² | +41 m² +58% | 2019 |
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| 13, Meadow View Road862 m away | 84 m² | 124 m² | +40 m² +48% | 2025 |
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| Flat 5, 4, Windmill Road732 m away | 42 m² | 82 m² | +40 m² +95% | 2020 |
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| 84, Greenside Road0 m away | 98 m² | 138 m² | +40 m² +41% | 2012 |
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| 111, Lakehall Road959 m away | 77 m² | 116 m² | +39 m² +51% | 2026 |
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| Pond House, 745, London Road988 m away | 65 m² | 104 m² | +39 m² +60% | 2023 |
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| Flat 1, 22, Oakfield Road915 m away | 54 m² | 93 m² | +39 m² +72% | 2021 |
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| Flat 2, 16, Cavendish Road467 m away | 66 m² | 105 m² | +39 m² +59% | 2011 |
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| 60, Ringwood Avenue962 m away | 56 m² | 94 m² | +38 m² +68% | 2025 |
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| 63, St Saviours Road680 m away | 76 m² | 114 m² | +38 m² +50% | 2023 |
|---|
| 37, Wortley Road394 m away | 76 m² | 114 m² | +38 m² +50% | 2020 |
|---|
| Flat 25, Gary Court, 189, London Road433 m away | 45 m² | 83 m² | +38 m² +84% | 2019 |
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| 60, Greenside Road0 m away | 101 m² | 138 m² | +37 m² +37% | 2023 |
|---|
| 75, Euston Road648 m away | 56 m² | 93 m² | +37 m² +66% | 2020 |
|---|
| 3, Meadow View Road862 m away | 80 m² | 117 m² | +37 m² +46% | 2020 |
|---|
| 9, Thornhill Road938 m away | 41 m² | 78 m² | +37 m² +90% | 2013 |
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| 23, Dunheved Road West556 m away | 91 m² | 127 m² | +36 m² +40% | 2026 |
|---|
| 90, Wentworth Road240 m away | 66 m² | 102 m² | +36 m² +55% | 2024 |
|---|
| 17, St James'S Park827 m away | 48 m² | 84 m² | +36 m² +75% | 2024 |
|---|
| 22, Pemdevon Road146 m away | 98 m² | 134 m² | +36 m² +37% | 2023 |
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| 88, Canterbury Road267 m away | 103 m² | 139 m² | +36 m² +35% | 2022 |
|---|
| Flat 2, Aristo House, 51, Lodge Road610 m away | 40 m² | 76 m² | +36 m² +90% | 2020 |
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| 275, Thornton Road696 m away | 37 m² | 73 m² | +36 m² +97% | 2019 |
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| 73, Derby Road926 m away | 89 m² | 125 m² | +36 m² +40% | 2019 |
|---|
| 149, Bensham Lane817 m away | 102 m² | 137 m² | +35 m² +34% | 2024 |
|---|
| 105, Frant Road894 m away | 98 m² | 133 m² | +35 m² +36% | 2021 |
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| 14, Ringwood Avenue818 m away | 70 m² | 104 m² | +34 m² +49% | 2023 |
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| 1, Grafton Road650 m away | 96 m² | 130 m² | +34 m² +35% | 2021 |
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| 56, Miller Road674 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
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| 38, Bute Road613 m away | 68 m² | 102 m² | +34 m² +50% | 2017 |
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| 15, Alma Place894 m away | 67 m² | 101 m² | +34 m² +51% | 2015 |
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| 59, Priory Road196 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
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| 142, Frant Road950 m away | 110 m² | 143 m² | +33 m² +30% | 2021 |
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| 60, Sumner Road369 m away | 55 m² | 88 m² | +33 m² +60% | 2015 |
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| Flat 2, 8, Francis Road484 m away | 58 m² | 90 m² | +32 m² +55% | 2024 |
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| 25, Westcombe Avenue814 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 25, Rosecourt Road768 m away | 106 m² | 138 m² | +32 m² +30% | 2023 |
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| 16, Lodge Road568 m away | 96 m² | 128 m² | +32 m² +33% | 2021 |
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| 52, Fairholme Road138 m away | 76 m² | 108 m² | +32 m² +42% | 2016 |
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| 12, Lakehall Gardens945 m away | 81 m² | 113 m² | +32 m² +40% | 2016 |
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| 1, Nova Road659 m away | 116 m² | 148 m² | +32 m² +28% | 2012 |
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| 37, Purley Way551 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
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| 19, Furtherfield Close555 m away | 77 m² | 108 m² | +31 m² +40% | 2020 |
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| 38, Cecil Road679 m away | 48 m² | 79 m² | +31 m² +65% | 2015 |
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| Flat 32, Spottiswood Court, 3, Harry Close926 m away | 45 m² | 76 m² | +31 m² +69% | 2010 |
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| Dawood House, 28, Mayday Road451 m away | 110 m² | 140 m² | +30 m² +27% | 2018 |
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| 26, Lynton Road396 m away | 71 m² | 101 m² | +30 m² +42% | 2017 |
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| 45, Hathaway Road571 m away | 79 m² | 109 m² | +30 m² +38% | 2016 |
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| 12, Woodcroft Road666 m away | 105 m² | 135 m² | +30 m² +29% | 2015 |
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| 118b, Lodge Road645 m away | 38 m² | 67 m² | +29 m² +76% | 2023 |
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| 30, Aurelia Gardens955 m away | 82 m² | 111 m² | +29 m² +35% | 2022 |
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| 20, Chatfield Road588 m away | 127 m² | 156 m² | +29 m² +23% | 2018 |
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| 8a, Thornhill Road926 m away | 60 m² | 88 m² | +28 m² +47% | 2026 |
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| 5, Tankerton Terrace781 m away | 48 m² | 76 m² | +28 m² +58% | 2024 |
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| Flat 15, 16, Hogarth Crescent981 m away | 46 m² | 74 m² | +28 m² +61% | 2024 |
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| 69, Lodge Road610 m away | 86 m² | 114 m² | +28 m² +33% | 2021 |
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| 46, Leighton Street615 m away | 106 m² | 133 m² | +27 m² +25% | 2026 |
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| 127, Frant Road894 m away | 95 m² | 122 m² | +27 m² +28% | 2025 |
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| 99, Stanley Road264 m away | 58 m² | 85 m² | +27 m² +47% | 2022 |
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| 144, Canterbury Road377 m away | 61 m² | 88 m² | +27 m² +44% | 2019 |
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| 15, Fairmead Road458 m away | 76 m² | 102 m² | +26 m² +34% | 2025 |
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| 8, Fairholme Road138 m away | 84 m² | 110 m² | +26 m² +31% | 2023 |
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| 15, Furtherfield Close555 m away | 56 m² | 82 m² | +26 m² +46% | 2022 |
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| 1c, St Saviours Road736 m away | 23 m² | 49 m² | +26 m² +113% | 2022 |
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| Flat 31, Spottiswood Court, 3, Harry Close926 m away | 67 m² | 93 m² | +26 m² +39% | 2011 |
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| 193, Queens Road741 m away | 84 m² | 109 m² | +25 m² +30% | 2026 |
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| Flat 2, 24, Gonville Road970 m away | 63 m² | 88 m² | +25 m² +40% | 2021 |
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| 12, Sumner Road395 m away | 99 m² | 124 m² | +25 m² +25% | 2020 |
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| 11, St James'S Park827 m away | 136 m² | 161 m² | +25 m² +18% | 2020 |
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| 23, Priory Road196 m away | 82 m² | 107 m² | +25 m² +30% | 2019 |
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| 21, Meadow View Road862 m away | 86 m² | 111 m² | +25 m² +29% | 2019 |
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| 58, Midhurst Avenue141 m away | 81 m² | 106 m² | +25 m² +31% | 2018 |
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| 19a, Dennett Road223 m away | 31 m² | 56 m² | +25 m² +81% | 2015 |
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| 83, Priory Road196 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
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| 77, Donald Road473 m away | 74 m² | 99 m² | +25 m² +34% | 2012 |
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| 26, Limpsfield Avenue959 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
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| 88, Pemdevon Road156 m away | 68 m² | 92 m² | +24 m² +35% | 2023 |
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| 48, Buxton Road793 m away | 96 m² | 120 m² | +24 m² +25% | 2023 |
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| 40, Stanley Grove387 m away | 80 m² | 104 m² | +24 m² +30% | 2022 |
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| 43, Windmill Road715 m away | 71 m² | 95 m² | +24 m² +34% | 2022 |
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| 97, Wentworth Road234 m away | 64 m² | 88 m² | +24 m² +38% | 2020 |
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| 51, Donald Road473 m away | 96 m² | 120 m² | +24 m² +25% | 2020 |
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| 55, Cecil Road678 m away | 65 m² | 89 m² | +24 m² +37% | 2020 |
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| 102, Pemdevon Road156 m away | 76 m² | 100 m² | +24 m² +32% | 2019 |
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| 156, Canterbury Road441 m away | 141 m² | 164 m² | +23 m² +16% | 2026 |
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| 31, Cecil Road678 m away | 111 m² | 134 m² | +23 m² +21% | 2026 |
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| 1a, Marden Road658 m away | 99 m² | 122 m² | +23 m² +23% | 2024 |
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| 21a, Bishops Road292 m away | 72 m² | 95 m² | +23 m² +32% | 2022 |
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| 5, Alma Place894 m away | 60 m² | 83 m² | +23 m² +38% | 2022 |
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| 9, Marden Crescent624 m away | 79 m² | 102 m² | +23 m² +29% | 2021 |
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| 106, Ringwood Avenue962 m away | 58 m² | 81 m² | +23 m² +40% | 2021 |
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| 51, Eastney Road529 m away | 63 m² | 86 m² | +23 m² +37% | 2020 |
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| 118, Stanley Road305 m away | 69 m² | 92 m² | +23 m² +33% | 2019 |
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| 142, St James'S Road857 m away | 42 m² | 65 m² | +23 m² +55% | 2017 |
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| 62, Frant Road852 m away | 104 m² | 127 m² | +23 m² +22% | 2016 |
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| 107, Frant Road894 m away | 67 m² | 90 m² | +23 m² +34% | 2014 |
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| 90, Kelvin Gardens950 m away | 57 m² | 80 m² | +23 m² +40% | 2014 |
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| 53, Elmwood Road623 m away | 47 m² | 70 m² | +23 m² +49% | 2011 |
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| 14, Bishops Road292 m away | 78 m² | 100 m² | +22 m² +28% | 2026 |
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| 167, Handcroft Road407 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
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| 53, Bensham Lane539 m away | 73 m² | 95 m² | +22 m² +30% | 2025 |
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| Flat 1, 119, Sutherland Road195 m away | 53 m² | 75 m² | +22 m² +42% | 2024 |
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| 7, Bute Road613 m away | 98 m² | 120 m² | +22 m² +22% | 2024 |
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| 668, London Road820 m away | 76 m² | 98 m² | +22 m² +29% | 2023 |
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| 75, Pemdevon Road169 m away | 86 m² | 108 m² | +22 m² +26% | 2021 |
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| 48, Mayday Road451 m away | 27 m² | 49 m² | +22 m² +81% | 2020 |
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| 339, Thornton Road604 m away | 49 m² | 71 m² | +22 m² +45% | 2020 |
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| 37, Buxton Road822 m away | 69 m² | 91 m² | +22 m² +32% | 2020 |
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| 11, Kelling Gardens317 m away | 60 m² | 82 m² | +22 m² +37% | 2019 |
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| 7, Goodman Crescent826 m away | 143 m² | 165 m² | +22 m² +15% | 2018 |
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| 5, Goodman Crescent826 m away | 143 m² | 165 m² | +22 m² +15% | 2018 |
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| 2, Denmead Road635 m away | 92 m² | 114 m² | +22 m² +24% | 2012 |
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| 87, Stanley Road264 m away | 72 m² | 94 m² | +22 m² +31% | 2010 |
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| Flat 1, 12, Kidderminster Road767 m away | 51 m² | 73 m² | +22 m² +43% | 2009 |
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| 68, Cecil Road798 m away | 79 m² | 100 m² | +21 m² +27% | 2026 |
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| 8, Pemdevon Road146 m away | 88 m² | 109 m² | +21 m² +24% | 2025 |
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| 90, Boston Road584 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
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| 24, Wentworth Road142 m away | 74 m² | 95 m² | +21 m² +28% | 2024 |
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| 237, Thornton Road696 m away | 62 m² | 83 m² | +21 m² +34% | 2024 |
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| 42, Wentworth Road169 m away | 73 m² | 94 m² | +21 m² +29% | 2023 |
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| 5, Wellington Road416 m away | 43 m² | 64 m² | +21 m² +49% | 2022 |
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| Flat 6, Newton House, 175, Queens Road741 m away | 79 m² | 100 m² | +21 m² +27% | 2022 |
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| 62, Kimberley Road884 m away | 77 m² | 98 m² | +21 m² +27% | 2022 |
|---|
| 24, Whitehall Road817 m away | 97 m² | 118 m² | +21 m² +22% | 2021 |
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| 3, Rosecourt Road768 m away | 70 m² | 91 m² | +21 m² +30% | 2016 |
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| 23, Lakehall Gardens945 m away | 105 m² | 126 m² | +21 m² +20% | 2016 |
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| 19, Addington Road320 m away | 54 m² | 75 m² | +21 m² +39% | 2015 |
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| 44, Pitlake970 m away | 39 m² | 60 m² | +21 m² +54% | 2010 |
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| 78, Sumner Road369 m away | 40 m² | 61 m² | +21 m² +53% | 2009 |
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| 56, Euston Road576 m away | 88 m² | 108 m² | +20 m² +23% | 2026 |
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| 5, Addington Road320 m away | 60 m² | 80 m² | +20 m² +33% | 2025 |
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