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 N9 9AS
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 |
|---|---|---|---|---|
| 32, Brookfield Road936 m away | 86 m² | 184 m² | +98 m² +114% | 2022 |
| 21, Latymer Way717 m away | 95 m² | 190 m² | +95 m² +100% | 2021 |
| 199, Haselbury Road649 m away | 85 m² | 170 m² | +85 m² +100% | 2024 |
| 205, Church Street591 m away | 162 m² | 246 m² | +84 m² +52% | 2018 |
| 4a, Latymer Road223 m away | 234 m² | 314 m² | +80 m² +34% | 2019 |
| 13, Brookfield Road989 m away | 60 m² | 138 m² | +78 m² +130% | 2017 |
| 67, Dunholme Road362 m away | 86 m² | 157 m² | +71 m² +83% | 2022 |
| 19, Bury Street826 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 10, Lichfield Road252 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.
| 100 m² |
| 168 m² |
| +68 m² +68% |
| 2020 |
| 4, Brookfield Road936 m away | 96 m² | 163 m² | +67 m² +70% | 2016 |
|---|
| 70, Northern Avenue240 m away | 85 m² | 151 m² | +66 m² +78% | 2025 |
|---|
| 2, Selhurst Road919 m away | 87 m² | 150 m² | +63 m² +72% | 2025 |
|---|
| 13, Dunholme Road654 m away | 64 m² | 127 m² | +63 m² +98% | 2023 |
|---|
| 62, Tillotson Road393 m away | 101 m² | 163 m² | +62 m² +61% | 2026 |
|---|
| 40, Northern Avenue240 m away | 95 m² | 155 m² | +60 m² +63% | 2021 |
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| 360, Church Street993 m away | 141 m² | 200 m² | +59 m² +42% | 2024 |
|---|
| 2, Amberley Gardens890 m away | 118 m² | 176 m² | +58 m² +49% | 2024 |
|---|
| 203, Winchester Road621 m away | 71 m² | 128 m² | +57 m² +80% | 2023 |
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| 64, Westerham Avenue894 m away | 73 m² | 130 m² | +57 m² +78% | 2022 |
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| 80, Bulwer Road918 m away | 72 m² | 128 m² | +56 m² +78% | 2023 |
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| 33, Balham Road596 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 297, Bury Street West859 m away | 102 m² | 158 m² | +56 m² +55% | 2018 |
|---|
| 6, Sweet Briar Grove693 m away | 96 m² | 151 m² | +55 m² +57% | 2026 |
|---|
| 6, Kenwood Road630 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 222, Wellington Road982 m away | 104 m² | 157 m² | +53 m² +51% | 2019 |
|---|
| 31, Bury Street826 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 12, Latymer Way677 m away | 83 m² | 134 m² | +51 m² +61% | 2019 |
|---|
| 27, Northumberland Gardens365 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
|---|
| 143, Croyland Road662 m away | 74 m² | 124 m² | +50 m² +68% | 2020 |
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| 218, Haselbury Road539 m away | 92 m² | 142 m² | +50 m² +54% | 2017 |
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| 21, Findon Road935 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 96, Winchester Road432 m away | 84 m² | 132 m² | +48 m² +57% | 2021 |
|---|
| 21, Galliard Road814 m away | 99 m² | 146 m² | +47 m² +47% | 2024 |
|---|
| 63, Chichester Road448 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
|---|
| 73, Chiswick Road732 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 18, Huxley Road972 m away | 73 m² | 119 m² | +46 m² +63% | 2017 |
|---|
| 7, Pymmes Gardens North559 m away | 108 m² | 153 m² | +45 m² +42% | 2024 |
|---|
| 14, Selhurst Road919 m away | 78 m² | 123 m² | +45 m² +58% | 2024 |
|---|
| 38, Crawley Road983 m away | 85 m² | 129 m² | +44 m² +52% | 2025 |
|---|
| 121, Sheldon Road916 m away | 80 m² | 124 m² | +44 m² +55% | 2024 |
|---|
| 75, Chiswick Road732 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 138, Bulwer Road918 m away | 64 m² | 108 m² | +44 m² +69% | 2013 |
|---|
| 49, Tillotson Road341 m away | 71 m² | 114 m² | +43 m² +61% | 2025 |
|---|
| 202, Winchester Road552 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 42, Oxford Road996 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 111, Winchester Road382 m away | 83 m² | 124 m² | +41 m² +49% | 2025 |
|---|
| 4, Darley Road758 m away | 82 m² | 123 m² | +41 m² +50% | 2025 |
|---|
| 42, Crawley Road983 m away | 86 m² | 127 m² | +41 m² +48% | 2024 |
|---|
| Flat 12, Chiltern House, Beaconsfield Road912 m away | 42 m² | 83 m² | +41 m² +98% | 2023 |
|---|
| 10, Purley Road865 m away | 100 m² | 141 m² | +41 m² +41% | 2022 |
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| 6, Lambs Terrace899 m away | 72 m² | 112 m² | +40 m² +56% | 2026 |
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| 35, Lion Road430 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
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| 145, Latymer Road580 m away | 71 m² | 111 m² | +40 m² +56% | 2023 |
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| 127, Church Street191 m away | 125 m² | 165 m² | +40 m² +32% | 2022 |
|---|
| 40, Kipling Terrace900 m away | 83 m² | 123 m² | +40 m² +48% | 2020 |
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| 34, Sweet Briar Grove579 m away | 88 m² | 128 m² | +40 m² +45% | 2018 |
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| 4, Warren Crescent873 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
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| 11, Westerham Avenue987 m away | 57 m² | 96 m² | +39 m² +68% | 2023 |
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| 11, Delhi Road923 m away | 92 m² | 130 m² | +38 m² +41% | 2012 |
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| 60, Lion Road458 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
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| 11, Tranmere Road775 m away | 57 m² | 94 m² | +37 m² +65% | 2010 |
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| 24, Wyldfield Gardens55 m away | 87 m² | 123 m² | +36 m² +41% | 2014 |
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| 27, Chiswick Road671 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
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| 16, Oxford Road996 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
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| 12, Oxford Road996 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
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| 17, Chalfont Road518 m away | 87 m² | 120 m² | +33 m² +38% | 2017 |
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| 258, Croyland Road648 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
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| 3, Tillotson Road341 m away | 124 m² | 156 m² | +32 m² +26% | 2022 |
|---|
| 25, Croyland Road633 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
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| 35, Bury Street826 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road854 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
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| 25, Dunholme Road542 m away | 88 m² | 119 m² | +31 m² +35% | 2019 |
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| 345, Haselbury Road356 m away | 46 m² | 77 m² | +31 m² +67% | 2018 |
|---|
| 70, Croyland Road665 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
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| 214, Hertford Road999 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
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| 3a, Keats Parade, Church Street474 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
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| 48, Winchester Road331 m away | 96 m² | 127 m² | +31 m² +32% | 2012 |
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| 103, Winchester Road382 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
|---|
| 161, Sheldon Road916 m away | 20 m² | 49 m² | +29 m² +145% | 2025 |
|---|
| 174, Croyland Road536 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
|---|
| 11, Sawyer Close495 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
|---|
| 24, Findon Road935 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
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| 106, Croyland Road665 m away | 73 m² | 101 m² | +28 m² +38% | 2026 |
|---|
| 5b, Balham Road596 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
|---|
| 10, Sawyer Close495 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
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| 42, Balham Road558 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
|---|
| 35, Marsden Road955 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
|---|
| 51, Sweet Briar Walk881 m away | 75 m² | 102 m² | +27 m² +36% | 2020 |
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| 159, Church Street293 m away | 19 m² | 46 m² | +27 m² +142% | 2016 |
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| 161a, Sheldon Road916 m away | 37 m² | 64 m² | +27 m² +73% | 2014 |
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| 145, Bury Street730 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
|---|
| 238, Croyland Road648 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 97, Victoria Road808 m away | 76 m² | 102 m² | +26 m² +34% | 2014 |
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| 8, Bury Street872 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 22, Salmons Road636 m away | 91 m² | 116 m² | +25 m² +27% | 2026 |
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| 32, Rugby Avenue614 m away | 72 m² | 97 m² | +25 m² +35% | 2024 |
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| 12, Shrubbery Road754 m away | 84 m² | 109 m² | +25 m² +30% | 2024 |
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| 7, Amberley Gardens890 m away | 106 m² | 131 m² | +25 m² +24% | 2023 |
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| Flat 2, 10, Gareth Drive432 m away | 42 m² | 67 m² | +25 m² +60% | 2022 |
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| 16, Lion Road458 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
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| 138b, Haselbury Road904 m away | 33 m² | 57 m² | +24 m² +73% | 2019 |
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| 55, Orpington Gardens919 m away | 62 m² | 85 m² | +23 m² +37% | 2023 |
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| 16, Stowe Gardens438 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
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| 8, Leonard Road634 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
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| 38, Tillotson Road299 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 158, Streamside Close380 m away | 29 m² | 52 m² | +23 m² +79% | 2021 |
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| 223, Haselbury Road649 m away | 83 m² | 106 m² | +23 m² +28% | 2021 |
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| 8, Orpington Gardens925 m away | 75 m² | 98 m² | +23 m² +31% | 2021 |
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| Flat 7, Alder Lodge, Bury Street West824 m away | 37 m² | 60 m² | +23 m² +62% | 2013 |
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| 2a, Keats Parade474 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
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| 40, Church Street433 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
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| 5, Selhurst Road919 m away | 97 m² | 119 m² | +22 m² +23% | 2024 |
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| 80, Latymer Road591 m away | 65 m² | 87 m² | +22 m² +34% | 2023 |
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| 2, Salmons Road636 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
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| 22, Sweet Briar Grove579 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
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| 119, Haselbury Road987 m away | 90 m² | 112 m² | +22 m² +24% | 2019 |
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| 2, Crescent Road822 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
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| 34, Beckenham Gardens829 m away | 93 m² | 114 m² | +21 m² +23% | 2025 |
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| 148, Warwick Road899 m away | 99 m² | 120 m² | +21 m² +21% | 2025 |
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| 18, Wyldfield Gardens55 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
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| 10, Cedars Court368 m away | 29 m² | 50 m² | +21 m² +72% | 2022 |
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| 37, Chalfont Road522 m away | 84 m² | 105 m² | +21 m² +25% | 2022 |
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| 117, Croyland Road662 m away | 68 m² | 89 m² | +21 m² +31% | 2022 |
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| 17, Croyland Road633 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
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| 20, Oxford Close947 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
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| 25, Hazelbury Green697 m away | 95 m² | 116 m² | +21 m² +22% | 2014 |
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| 143, Church Street191 m away | 29 m² | 50 m² | +21 m² +72% | 2010 |
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| 34, Croyland Road805 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
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| 88, Bulwer Road918 m away | 80 m² | 100 m² | +20 m² +25% | 2025 |
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| 5, Pycroft Way803 m away | 60 m² | 80 m² | +20 m² +33% | 2023 |
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| 20, Hickory Close867 m away | 28 m² | 48 m² | +20 m² +71% | 2019 |
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| 180, Haselbury Road801 m away | 100 m² | 119 m² | +19 m² +19% | 2024 |
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| 189, Streamside Close280 m away | 30 m² | 49 m² | +19 m² +63% | 2023 |
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| 20, Sunnyside Road North591 m away | 72 m² | 91 m² | +19 m² +26% | 2023 |
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| 262, Bury Street West804 m away | 76 m² | 95 m² | +19 m² +25% | 2023 |
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| 100, Croyland Road665 m away | 75 m² | 94 m² | +19 m² +25% | 2020 |
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| 197, Haselbury Road649 m away | 96 m² | 114 m² | +18 m² +19% | 2026 |
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| 8, Selhurst Road919 m away | 86 m² | 104 m² | +18 m² +21% | 2026 |
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| 29, Wyldfield Gardens55 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
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| 104, Latymer Road591 m away | 72 m² | 90 m² | +18 m² +25% | 2024 |
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| Flat 84, Chiltern House, Beaconsfield Road912 m away | 70 m² | 88 m² | +18 m² +26% | 2023 |
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| 23, Cedars Court368 m away | 32 m² | 50 m² | +18 m² +56% | 2022 |
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| 319, Haselbury Road356 m away | 65 m² | 83 m² | +18 m² +28% | 2021 |
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| 24, Stowe Gardens438 m away | 66 m² | 84 m² | +18 m² +27% | 2021 |
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| 22, Rugby Avenue614 m away | 76 m² | 94 m² | +18 m² +24% | 2021 |
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| 49, Balham Road596 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
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| 80, Croyland Road665 m away | 99 m² | 117 m² | +18 m² +18% | 2019 |
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| 1, Victor Villas974 m away | 96 m² | 114 m² | +18 m² +19% | 2014 |
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| 107, Church Street74 m away | 38 m² | 56 m² | +18 m² +47% | 2013 |
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| 23, Orpington Gardens919 m away | 94 m² | 112 m² | +18 m² +19% | 2013 |
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| 21, Leonard Road634 m away | 88 m² | 106 m² | +18 m² +20% | 2009 |
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| 155, Warwick Road912 m away | 77 m² | 94 m² | +17 m² +22% | 2024 |
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| 10, Brookfield Road936 m away | 80 m² | 97 m² | +17 m² +21% | 2022 |
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| 18, Lambs Close328 m away | 45 m² | 62 m² | +17 m² +38% | 2019 |
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| 163, Winchester Road503 m away | 96 m² | 113 m² | +17 m² +18% | 2019 |
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| 2, Orpington Gardens925 m away | 93 m² | 110 m² | +17 m² +18% | 2019 |
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| 216, Croyland Road536 m away | 87 m² | 104 m² | +17 m² +20% | 2018 |
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| Flat 3, Westly House, Rosemary Avenue997 m away | 26 m² | 43 m² | +17 m² +65% | 2018 |
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| 66, Pycroft Way819 m away | 61 m² | 78 m² | +17 m² +28% | 2014 |
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| 16, Kenwood Road630 m away | 79 m² | 95 m² | +16 m² +20% | 2026 |
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| 17, Belmont Avenue785 m away | 56 m² | 72 m² | +16 m² +29% | 2025 |
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| 212, Croyland Road536 m away | 59 m² | 75 m² | +16 m² +27% | 2023 |
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| 77, Sweet Briar Walk881 m away | 82 m² | 98 m² | +16 m² +20% | 2023 |
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| 94, Barbot Close633 m away | 26 m² | 42 m² | +16 m² +62% | 2022 |
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| 77, Town Road982 m away | 94 m² | 110 m² | +16 m² +17% | 2022 |
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| 1a, Hendon Road646 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
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| 69, Pycroft Way758 m away | 53 m² | 69 m² | +16 m² +30% | 2021 |
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| 47, South Road887 m away | 78 m² | 94 m² | +16 m² +21% | 2021 |
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| 31, Monmouth Road901 m away | 71 m² | 87 m² | +16 m² +23% | 2021 |
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| 13, Victor Villas974 m away | 90 m² | 106 m² | +16 m² +18% | 2019 |
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| 4, Sunnyside Road East670 m away | 66 m² | 82 m² | +16 m² +24% | 2015 |
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| 13, Lichfield Road252 m away | 45 m² | 61 m² | +16 m² +36% | 2013 |
|---|
| 40, Marsden Road955 m away | 67 m² | 83 m² | +16 m² +24% | 2013 |
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| 242a, Church Street458 m away | 76 m² | 92 m² | +16 m² +21% | 2011 |
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| 179a, Church Street591 m away | 36 m² | 52 m² | +16 m² +44% | 2011 |
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| 59, Orpington Gardens919 m away | 73 m² | 88 m² | +15 m² +21% | 2026 |
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| 75, Sutherland Road934 m away | 66 m² | 81 m² | +15 m² +23% | 2026 |
|---|
| 46, Hydefield Close992 m away | 71 m² | 86 m² | +15 m² +21% | 2025 |
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| Flat 12, Kenwood House, 10, Cyprus Road144 m away | 48 m² | 63 m² | +15 m² +31% | 2021 |
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| 209, Winchester Road621 m away | 68 m² | 83 m² | +15 m² +22% | 2021 |
|---|
| 190, Haselbury Road801 m away | 78 m² | 93 m² | +15 m² +19% | 2021 |
|---|
| 24, Beckenham Gardens829 m away | 56 m² | 71 m² | +15 m² +27% | 2021 |
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| 295, Bury Street West859 m away | 100 m² | 115 m² | +15 m² +15% | 2019 |
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| 3, Wyldfield Gardens55 m away | 97 m² | 112 m² | +15 m² +15% | 2015 |
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| 167, Victoria Road410 m away | 89 m² | 104 m² | +15 m² +17% | 2015 |
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| 19, Arthur Road255 m away | 96 m² | 111 m² | +15 m² +16% | 2013 |
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| 130, Victoria Road619 m away | 62 m² | 77 m² | +15 m² +24% | 2013 |
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