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 BR6 0SF
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 |
|---|---|---|---|---|
| 10, Elm Grove186 m away | 136 m² | 318 m² | +182 m² +134% | 2024 |
| 10, Lynwood Grove439 m away | 115 m² | 284 m² | +169 m² +147% | 2023 |
| 95, Chislehurst Road913 m away | 116 m² | 283 m² | +167 m² +144% | 2024 |
| 17, Lancing Road648 m away | 96 m² | 240 m² | +144 m² +150% | 2026 |
| 46, Broxbourne Road455 m away | 140 m² | 278 m² | +138 m² +99% | 2024 |
| 8, Hillcrest Road669 m away | 127 m² | 263 m² | +136 m² +107% | 2023 |
| 63, Sevenoaks Road669 m away | 144 m² | 272 m² | +128 m² +89% | 2024 |
| 59, Mayfield Avenue411 m away | 102 m² | 220 m² | +118 m² +116% | 2015 |
| 34, Allington Road653 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.
| 96 m² |
| 191 m² |
| +95 m² +99% |
| 2020 |
| 83, Lynwood Grove720 m away | 97 m² | 188 m² | +91 m² +94% | 2026 |
|---|
| 107, Chislehurst Road913 m away | 150 m² | 239 m² | +89 m² +59% | 2023 |
|---|
| 14, Hillcrest Road669 m away | 115 m² | 203 m² | +88 m² +77% | 2019 |
|---|
| 49, Dale Wood Road605 m away | 98 m² | 185 m² | +87 m² +89% | 2017 |
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| 18, Ruskin Drive732 m away | 69 m² | 153 m² | +84 m² +122% | 2023 |
|---|
| 4, Devonshire Road905 m away | 72 m² | 155 m² | +83 m² +115% | 2013 |
|---|
| 98, Tubbenden Lane870 m away | 86 m² | 168 m² | +82 m² +95% | 2026 |
|---|
| 37, Lynwood Grove444 m away | 152 m² | 234 m² | +82 m² +54% | 2019 |
|---|
| 28, Goddington Lane821 m away | 126 m² | 208 m² | +82 m² +65% | 2018 |
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| 51, Sevenoaks Road669 m away | 294 m² | 376 m² | +82 m² +28% | 2015 |
|---|
| 1, Haverthwaite Road918 m away | 74 m² | 152 m² | +78 m² +105% | 2017 |
|---|
| 18, Oatfield Road493 m away | 114 m² | 191 m² | +77 m² +68% | 2017 |
|---|
| 48, Dale Wood Road726 m away | 121 m² | 195 m² | +74 m² +61% | 2025 |
|---|
| 55, Lynwood Grove720 m away | 141 m² | 215 m² | +74 m² +52% | 2022 |
|---|
| 18, Repton Road918 m away | 136 m² | 209 m² | +73 m² +54% | 2022 |
|---|
| 8, Lynwood Grove439 m away | 77 m² | 149 m² | +72 m² +94% | 2022 |
|---|
| 21, Ruskin Drive773 m away | 84 m² | 156 m² | +72 m² +86% | 2019 |
|---|
| 84, Felstead Road911 m away | 77 m² | 149 m² | +72 m² +94% | 2017 |
|---|
| 104, Andover Road582 m away | 58 m² | 129 m² | +71 m² +122% | 2015 |
|---|
| 12, Broxbourne Road756 m away | 146 m² | 215 m² | +69 m² +47% | 2026 |
|---|
| 64, Oregon Square810 m away | 89 m² | 158 m² | +69 m² +78% | 2023 |
|---|
| 34, Tower Road501 m away | 135 m² | 203 m² | +68 m² +50% | 2026 |
|---|
| 3, Orchard Green291 m away | 100 m² | 168 m² | +68 m² +68% | 2020 |
|---|
| 54, Cathcart Drive450 m away | 86 m² | 153 m² | +67 m² +78% | 2025 |
|---|
| 15, The Ridge709 m away | 118 m² | 184 m² | +66 m² +56% | 2021 |
|---|
| 81, Lynwood Grove720 m away | 113 m² | 178 m² | +65 m² +58% | 2024 |
|---|
| 6, Tubbenden Close629 m away | 90 m² | 154 m² | +64 m² +71% | 2020 |
|---|
| 38, The Drive347 m away | 93 m² | 157 m² | +64 m² +69% | 2017 |
|---|
| 17, Lynwood Grove444 m away | 142 m² | 206 m² | +64 m² +45% | 2015 |
|---|
| 24, Walnuts Road900 m away | 92 m² | 155 m² | +63 m² +68% | 2025 |
|---|
| 36, The Ridge709 m away | 120 m² | 183 m² | +63 m² +53% | 2019 |
|---|
| Twiga, St Aubyns Gardens469 m away | 97 m² | 160 m² | +63 m² +65% | 2018 |
|---|
| 44, Oregon Square810 m away | 60 m² | 122 m² | +62 m² +103% | 2019 |
|---|
| 39, Allington Road690 m away | 54 m² | 115 m² | +61 m² +113% | 2020 |
|---|
| 78, Rusland Avenue943 m away | 74 m² | 134 m² | +60 m² +81% | 2026 |
|---|
| 17, Knoll Rise315 m away | 141 m² | 201 m² | +60 m² +43% | 2025 |
|---|
| 6, Elm Grove186 m away | 139 m² | 198 m² | +59 m² +42% | 2023 |
|---|
| 33, Park Avenue648 m away | 99 m² | 158 m² | +59 m² +60% | 2023 |
|---|
| 2d, Lynwood Grove439 m away | 162 m² | 220 m² | +58 m² +36% | 2026 |
|---|
| 19, Red Cedars Road838 m away | 78 m² | 135 m² | +57 m² +73% | 2026 |
|---|
| 9, Hillcrest Road661 m away | 148 m² | 205 m² | +57 m² +39% | 2017 |
|---|
| 16, Pound Court Drive894 m away | 150 m² | 206 m² | +56 m² +37% | 2022 |
|---|
| 11a, Bruce Grove960 m away | 99 m² | 154 m² | +55 m² +56% | 2022 |
|---|
| 57, Oregon Square865 m away | 63 m² | 117 m² | +54 m² +86% | 2026 |
|---|
| 61b, Broxbourne Road430 m away | 123 m² | 176 m² | +53 m² +43% | 2022 |
|---|
| 3, Woodhead Drive518 m away | 121 m² | 174 m² | +53 m² +44% | 2022 |
|---|
| 21, Station Road263 m away | 237 m² | 288 m² | +51 m² +22% | 2021 |
|---|
| 54, Goddington Lane821 m away | 146 m² | 197 m² | +51 m² +35% | 2019 |
|---|
| 1, Orchard Green291 m away | 135 m² | 186 m² | +51 m² +38% | 2015 |
|---|
| 13, Dale Wood Road605 m away | 132 m² | 182 m² | +50 m² +38% | 2025 |
|---|
| 51, Ridgeway Crescent796 m away | 87 m² | 137 m² | +50 m² +57% | 2024 |
|---|
| 33, Station Road263 m away | 62 m² | 112 m² | +50 m² +81% | 2020 |
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| 34, Hillview Road0 m away | 121 m² | 171 m² | +50 m² +41% | 2018 |
|---|
| 69, Dale Wood Road605 m away | 119 m² | 169 m² | +50 m² +42% | 2016 |
|---|
| 34, Ferndown Avenue797 m away | 77 m² | 126 m² | +49 m² +64% | 2026 |
|---|
| 15, Felstead Road707 m away | 96 m² | 145 m² | +49 m² +51% | 2024 |
|---|
| 53, Andover Road599 m away | 56 m² | 105 m² | +49 m² +88% | 2022 |
|---|
| 50a, Oregon Square810 m away | 66 m² | 115 m² | +49 m² +74% | 2022 |
|---|
| 73, Lancing Road904 m away | 84 m² | 133 m² | +49 m² +58% | 2015 |
|---|
| 8, Healy Drive976 m away | 89 m² | 137 m² | +48 m² +54% | 2025 |
|---|
| 141, Crofton Road947 m away | 93 m² | 141 m² | +48 m² +52% | 2017 |
|---|
| 193, Crofton Lane937 m away | 119 m² | 166 m² | +47 m² +39% | 2024 |
|---|
| 5, Horsecroft Close942 m away | 85 m² | 132 m² | +47 m² +55% | 2024 |
|---|
| 20, Blossom Drive285 m away | 99 m² | 145 m² | +46 m² +46% | 2020 |
|---|
| 82, Stapleton Road817 m away | 134 m² | 180 m² | +46 m² +34% | 2015 |
|---|
| 3, Hillview Road38 m away | 107 m² | 152 m² | +45 m² +42% | 2026 |
|---|
| 72, Elm Grove175 m away | 91 m² | 136 m² | +45 m² +49% | 2023 |
|---|
| Flat 19, Knoll Court, 18, Station Road190 m away | 61 m² | 106 m² | +45 m² +74% | 2022 |
|---|
| 7, Hillcrest Road661 m away | 131 m² | 176 m² | +45 m² +34% | 2022 |
|---|
| 27, Knoll Rise315 m away | 128 m² | 173 m² | +45 m² +35% | 2014 |
|---|
| 24, Sherlies Avenue453 m away | 72 m² | 117 m² | +45 m² +63% | 2011 |
|---|
| 206, Crofton Lane906 m away | 109 m² | 153 m² | +44 m² +40% | 2025 |
|---|
| 73, Ridgeway Crescent796 m away | 96 m² | 140 m² | +44 m² +46% | 2022 |
|---|
| 89, Allington Road690 m away | 67 m² | 111 m² | +44 m² +66% | 2021 |
|---|
| 5, Pinewood Close726 m away | 120 m² | 164 m² | +44 m² +37% | 2013 |
|---|
| 3, Oakhill Road85 m away | 186 m² | 229 m² | +43 m² +23% | 2026 |
|---|
| 25, The Avenue398 m away | 139 m² | 180 m² | +41 m² +29% | 2021 |
|---|
| 51, Elm Grove168 m away | 109 m² | 149 m² | +40 m² +37% | 2017 |
|---|
| 77, Cowden Road928 m away | 75 m² | 115 m² | +40 m² +53% | 2015 |
|---|
| Kinellan, Tower Road501 m away | 56 m² | 96 m² | +40 m² +71% | 2012 |
|---|
| 4, Lewing Close766 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 36, Reed Avenue892 m away | 90 m² | 129 m² | +39 m² +43% | 2023 |
|---|
| 28, Ridgeway Crescent617 m away | 92 m² | 131 m² | +39 m² +42% | 2022 |
|---|
| 7, Melbourne Close890 m away | 131 m² | 170 m² | +39 m² +30% | 2022 |
|---|
| 48, Lodge Crescent970 m away | 77 m² | 115 m² | +38 m² +49% | 2026 |
|---|
| 11, Cromford Close780 m away | 132 m² | 170 m² | +38 m² +29% | 2024 |
|---|
| 82, Hillcrest Road916 m away | 41 m² | 79 m² | +38 m² +93% | 2022 |
|---|
| 81, Sevenoaks Road817 m away | 108 m² | 145 m² | +37 m² +34% | 2026 |
|---|
| 2, Cromford Close780 m away | 110 m² | 147 m² | +37 m² +34% | 2023 |
|---|
| 80, Lynwood Grove750 m away | 176 m² | 213 m² | +37 m² +21% | 2022 |
|---|
| 13, Ridgeway Crescent Gardens505 m away | 124 m² | 160 m² | +36 m² +29% | 2025 |
|---|
| 18, Crofton Road430 m away | 86 m² | 122 m² | +36 m² +42% | 2016 |
|---|
| 70, Crofton Road657 m away | 63 m² | 98 m² | +35 m² +56% | 2015 |
|---|
| 71, Stapleton Road708 m away | 95 m² | 130 m² | +35 m² +37% | 2015 |
|---|
| 36, Maxwell Gardens465 m away | 75 m² | 110 m² | +35 m² +47% | 2014 |
|---|
| 12, Benedict Close893 m away | 88 m² | 122 m² | +34 m² +39% | 2023 |
|---|
| 8, Ridgeway Crescent Gardens505 m away | 93 m² | 127 m² | +34 m² +37% | 2022 |
|---|
| 212, Crofton Lane906 m away | 145 m² | 179 m² | +34 m² +23% | 2021 |
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| 6, Cranleigh Close808 m away | 90 m² | 124 m² | +34 m² +38% | 2014 |
|---|
| 95, Hillcrest Road895 m away | 101 m² | 135 m² | +34 m² +34% | 2013 |
|---|
| 6, Shepherds Close806 m away | 110 m² | 143 m² | +33 m² +30% | 2024 |
|---|
| 13, Keswick Road712 m away | 123 m² | 156 m² | +33 m² +27% | 2020 |
|---|
| 2, Hillview Crescent214 m away | 104 m² | 137 m² | +33 m² +32% | 2014 |
|---|
| 3, Somerset Road940 m away | 55 m² | 88 m² | +33 m² +60% | 2009 |
|---|
| 11, Kelvin Parade595 m away | 107 m² | 139 m² | +32 m² +30% | 2022 |
|---|
| 16, Park Avenue714 m away | 122 m² | 154 m² | +32 m² +26% | 2014 |
|---|
| 12, Marsden Way919 m away | 77 m² | 108 m² | +31 m² +40% | 2026 |
|---|
| 49, Vinson Close679 m away | 93 m² | 124 m² | +31 m² +33% | 2021 |
|---|
| 62, Hillcrest Road916 m away | 102 m² | 133 m² | +31 m² +30% | 2019 |
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| 2, Oakhill Road85 m away | 171 m² | 201 m² | +30 m² +18% | 2022 |
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| 31, Cheltenham Road980 m away | 73 m² | 103 m² | +30 m² +41% | 2020 |
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| 13, Reed Avenue917 m away | 89 m² | 119 m² | +30 m² +34% | 2016 |
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| 9, Cowden Road928 m away | 85 m² | 115 m² | +30 m² +35% | 2015 |
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| 52, Oregon Square810 m away | 60 m² | 89 m² | +29 m² +48% | 2026 |
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| 16, Crofton Road430 m away | 80 m² | 109 m² | +29 m² +36% | 2025 |
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| 34, Reed Avenue892 m away | 90 m² | 119 m² | +29 m² +32% | 2024 |
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| 25, Park Avenue648 m away | 114 m² | 143 m² | +29 m² +25% | 2017 |
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| 194a, High Street683 m away | 54 m² | 83 m² | +29 m² +54% | 2014 |
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| 101, Crofton Road658 m away | 116 m² | 144 m² | +28 m² +24% | 2023 |
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| 5, Lancing Road648 m away | 29 m² | 57 m² | +28 m² +97% | 2019 |
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| 11, Novar Close803 m away | 101 m² | 129 m² | +28 m² +28% | 2015 |
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| 72, Newstead Avenue935 m away | 125 m² | 152 m² | +27 m² +22% | 2026 |
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| 95, Lancing Road904 m away | 85 m² | 112 m² | +27 m² +32% | 2024 |
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| 2, The Ridge709 m away | 133 m² | 160 m² | +27 m² +20% | 2023 |
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| 61, Newstead Avenue918 m away | 84 m² | 111 m² | +27 m² +32% | 2023 |
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| 22, Crofton Road430 m away | 83 m² | 110 m² | +27 m² +33% | 2019 |
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| 28, Spur Road677 m away | 111 m² | 138 m² | +27 m² +24% | 2016 |
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| 19, Gleneagles Close899 m away | 104 m² | 130 m² | +26 m² +25% | 2025 |
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| Edinburgh Lodge, 20, Station Road196 m away | 50 m² | 76 m² | +26 m² +52% | 2022 |
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| 1, Yeovil Close434 m away | 97 m² | 123 m² | +26 m² +27% | 2019 |
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| 67, Place Farm Avenue858 m away | 103 m² | 129 m² | +26 m² +25% | 2016 |
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| 101, Oregon Square831 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
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| 19, Turnberry Way968 m away | 91 m² | 117 m² | +26 m² +29% | 2014 |
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| 29, Tubbenden Lane438 m away | 148 m² | 173 m² | +25 m² +17% | 2025 |
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| 39, Hillview Road38 m away | 95 m² | 120 m² | +25 m² +26% | 2023 |
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| 44, Newstead Avenue627 m away | 107 m² | 132 m² | +25 m² +23% | 2023 |
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| 61, Maxwell Gardens624 m away | 90 m² | 115 m² | +25 m² +28% | 2022 |
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| 24, Hillcrest Road669 m away | 122 m² | 147 m² | +25 m² +20% | 2019 |
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| 63, Spur Road787 m away | 86 m² | 111 m² | +25 m² +29% | 2016 |
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| 40, Dale Wood Road726 m away | 110 m² | 134 m² | +24 m² +22% | 2026 |
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| 15, Gleneagles Close899 m away | 69 m² | 93 m² | +24 m² +35% | 2024 |
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| 28, Willersley Avenue886 m away | 63 m² | 87 m² | +24 m² +38% | 2012 |
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| 23, Shelley Close591 m away | 89 m² | 113 m² | +24 m² +27% | 2011 |
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| 38, Station Road195 m away | 111 m² | 134 m² | +23 m² +21% | 2025 |
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| 61, Cathcart Drive483 m away | 101 m² | 124 m² | +23 m² +23% | 2024 |
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| 57, Newstead Avenue918 m away | 140 m² | 163 m² | +23 m² +16% | 2023 |
|---|
| 26, Shelley Close591 m away | 74 m² | 97 m² | +23 m² +31% | 2014 |
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| 25, Mayfield Avenue656 m away | 124 m² | 147 m² | +23 m² +19% | 2014 |
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| 57, Homefield Rise916 m away | 66 m² | 88 m² | +22 m² +33% | 2026 |
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| 9, Spencer Close385 m away | 96 m² | 118 m² | +22 m² +23% | 2025 |
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| 2, Becketts Close520 m away | 92 m² | 114 m² | +22 m² +24% | 2019 |
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| 3, Pondwood Rise746 m away | 95 m² | 116 m² | +21 m² +22% | 2026 |
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| Flat 5, 2a, White Hart Road980 m away | 58 m² | 79 m² | +21 m² +36% | 2026 |
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| 4, Turnberry Way968 m away | 102 m² | 123 m² | +21 m² +21% | 2025 |
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| 36, Arne Grove564 m away | 103 m² | 124 m² | +21 m² +20% | 2024 |
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| 4, Arne Grove564 m away | 73 m² | 94 m² | +21 m² +29% | 2015 |
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| 83, Cowden Road928 m away | 85 m² | 106 m² | +21 m² +25% | 2015 |
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| 19, Dalton Close580 m away | 90 m² | 110 m² | +20 m² +22% | 2024 |
|---|
| Flat 1, Bramley Court, 19, Orchard Grove300 m away | 68 m² | 88 m² | +20 m² +29% | 2022 |
|---|
| 14, Bishop Butt Close907 m away | 37 m² | 57 m² | +20 m² +54% | 2022 |
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| 77, Sevenoaks Road669 m away | 101 m² | 121 m² | +20 m² +20% | 2019 |
|---|
| 67, Crofton Road658 m away | 126 m² | 146 m² | +20 m² +16% | 2017 |
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| 84, Crofton Road657 m away | 94 m² | 114 m² | +20 m² +21% | 2014 |
|---|
| 126, Stapleton Road775 m away | 73 m² | 92 m² | +19 m² +26% | 2025 |
|---|
| 98a, Andover Road582 m away | 98 m² | 117 m² | +19 m² +19% | 2022 |
|---|
| 23, Park Avenue648 m away | 125 m² | 144 m² | +19 m² +15% | 2021 |
|---|
| 52, Maxwell Gardens619 m away | 88 m² | 107 m² | +19 m² +22% | 2016 |
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| Flat 6, Berwick House, 8 - 10, Knoll Rise526 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
|---|
| 24, Newstead Avenue627 m away | 104 m² | 122 m² | +18 m² +17% | 2025 |
|---|
| 18, Woodcote Drive931 m away | 117 m² | 135 m² | +18 m² +15% | 2025 |
|---|
| 52, Ridgeway Crescent858 m away | 73 m² | 91 m² | +18 m² +25% | 2024 |
|---|
| 14, Turnberry Way968 m away | 101 m² | 119 m² | +18 m² +18% | 2024 |
|---|
| 87, Allington Road690 m away | 109 m² | 127 m² | +18 m² +17% | 2023 |
|---|
| 17, Newstead Avenue548 m away | 97 m² | 115 m² | +18 m² +19% | 2021 |
|---|
| 15, Cathcart Drive483 m away | 106 m² | 124 m² | +18 m² +17% | 2020 |
|---|
| 7a, Dale Wood Road605 m away | 107 m² | 125 m² | +18 m² +17% | 2011 |
|---|
| 53, Place Farm Avenue858 m away | 103 m² | 120 m² | +17 m² +17% | 2025 |
|---|
| 64, Maxwell Gardens619 m away | 93 m² | 110 m² | +17 m² +18% | 2024 |
|---|
| 8, Pinewood Close726 m away | 76 m² | 93 m² | +17 m² +22% | 2022 |
|---|
| 65, Oregon Square831 m away | 56 m² | 73 m² | +17 m² +30% | 2022 |
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| 20, Newstead Avenue627 m away | 112 m² | 129 m² | +17 m² +15% | 2019 |
|---|
| 7, Park Avenue648 m away | 99 m² | 116 m² | +17 m² +17% | 2016 |
|---|
| 41, Helegan Close993 m away | 97 m² | 113 m² | +16 m² +16% | 2025 |
|---|
| 45, Andover Road599 m away | 90 m² | 106 m² | +16 m² +18% | 2017 |
|---|
| 3, Bruce Grove960 m away | 98 m² | 114 m² | +16 m² +16% | 2014 |
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| 33, Vinson Close679 m away | 65 m² | 80 m² | +15 m² +23% | 2025 |
|---|
| 79, Hillcrest Road895 m away | 94 m² | 109 m² | +15 m² +16% | 2023 |
|---|
| Flat 43, Bramley Court, 19, Orchard Grove300 m away | 65 m² | 80 m² | +15 m² +23% | 2020 |
|---|
| 17, Woodhead Drive518 m away | 83 m² | 98 m² | +15 m² +18% | 2020 |
|---|
| 4, Ridgeway Crescent Gardens505 m away | 97 m² | 112 m² | +15 m² +15% | 2018 |
|---|
| 72, Ridgeway Crescent858 m away | 97 m² | 112 m² | +15 m² +15% | 2015 |
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