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 8BN
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 Grove740 m away | 136 m² | 318 m² | +182 m² +134% | 2024 |
| 10, Lynwood Grove315 m away | 115 m² | 284 m² | +169 m² +147% | 2023 |
| 95, Chislehurst Road934 m away | 116 m² | 283 m² | +167 m² +144% | 2024 |
| 3, Crofton Lane641 m away | 100 m² | 244 m² | +144 m² +144% | 2023 |
| 46, Broxbourne Road603 m away | 140 m² | 278 m² | +138 m² +99% | 2024 |
| 27, Homesdale Road633 m away | 105 m² | 238 m² | +133 m² +127% | 2025 |
| 59, Mayfield Avenue468 m away | 102 m² | 220 m² | +118 m² +116% | 2015 |
| 31, St Johns Road766 m away | 103 m² | 212 m² | +109 m² +106% | 2025 |
| 11, Fairfield Road765 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.
| 90 m² |
| 193 m² |
| +103 m² +114% |
| 2021 |
| 78, St Johns Road944 m away | 88 m² | 191 m² | +103 m² +117% | 2020 |
|---|
| 4, Abbots Close758 m away | 78 m² | 180 m² | +102 m² +131% | 2014 |
|---|
| 34, Allington Road120 m away | 96 m² | 191 m² | +95 m² +99% | 2020 |
|---|
| 83, Lynwood Grove415 m away | 97 m² | 188 m² | +91 m² +94% | 2026 |
|---|
| 15, St Thomas Drive763 m away | 122 m² | 212 m² | +90 m² +74% | 2026 |
|---|
| 76, Crofton Lane432 m away | 99 m² | 189 m² | +90 m² +91% | 2024 |
|---|
| 22, Crofton Lane538 m away | 151 m² | 241 m² | +90 m² +60% | 2019 |
|---|
| 107, Chislehurst Road934 m away | 150 m² | 239 m² | +89 m² +59% | 2023 |
|---|
| 49, Dale Wood Road248 m away | 98 m² | 185 m² | +87 m² +89% | 2017 |
|---|
| 18, Ruskin Drive801 m away | 69 m² | 153 m² | +84 m² +122% | 2023 |
|---|
| 2, Broughton Road945 m away | 103 m² | 186 m² | +83 m² +81% | 2024 |
|---|
| 37, Lynwood Grove271 m away | 152 m² | 234 m² | +82 m² +54% | 2019 |
|---|
| 44, St Johns Road777 m away | 173 m² | 252 m² | +79 m² +46% | 2024 |
|---|
| 1, Haverthwaite Road813 m away | 74 m² | 152 m² | +78 m² +105% | 2017 |
|---|
| 169, Crofton Road842 m away | 90 m² | 167 m² | +77 m² +86% | 2021 |
|---|
| 8, Darrick Wood Road732 m away | 114 m² | 191 m² | +77 m² +68% | 2020 |
|---|
| 18, Oatfield Road815 m away | 114 m² | 191 m² | +77 m² +68% | 2017 |
|---|
| 48, Dale Wood Road306 m away | 121 m² | 195 m² | +74 m² +61% | 2025 |
|---|
| 55, Lynwood Grove415 m away | 141 m² | 215 m² | +74 m² +52% | 2022 |
|---|
| 8, Lynwood Grove315 m away | 77 m² | 149 m² | +72 m² +94% | 2022 |
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| 21, Ruskin Drive857 m away | 84 m² | 156 m² | +72 m² +86% | 2019 |
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| 95, Towncourt Lane960 m away | 95 m² | 166 m² | +71 m² +75% | 2023 |
|---|
| 104, Andover Road0 m away | 58 m² | 129 m² | +71 m² +122% | 2015 |
|---|
| 34, Crofton Lane538 m away | 124 m² | 194 m² | +70 m² +56% | 2021 |
|---|
| 12, Broxbourne Road745 m away | 146 m² | 215 m² | +69 m² +47% | 2026 |
|---|
| 64, Oregon Square332 m away | 89 m² | 158 m² | +69 m² +78% | 2023 |
|---|
| 3, Orchard Green582 m away | 100 m² | 168 m² | +68 m² +68% | 2020 |
|---|
| 54, Cathcart Drive161 m away | 86 m² | 153 m² | +67 m² +78% | 2025 |
|---|
| 15, The Ridge529 m away | 118 m² | 184 m² | +66 m² +56% | 2021 |
|---|
| 37, Rusland Avenue909 m away | 87 m² | 153 m² | +66 m² +76% | 2016 |
|---|
| 81, Lynwood Grove415 m away | 113 m² | 178 m² | +65 m² +58% | 2024 |
|---|
| 6, Tubbenden Close743 m away | 90 m² | 154 m² | +64 m² +71% | 2020 |
|---|
| 38, The Drive929 m away | 93 m² | 157 m² | +64 m² +69% | 2017 |
|---|
| 17, Lynwood Grove271 m away | 142 m² | 206 m² | +64 m² +45% | 2015 |
|---|
| 36, The Ridge643 m away | 120 m² | 183 m² | +63 m² +53% | 2019 |
|---|
| Twiga, St Aubyns Gardens985 m away | 97 m² | 160 m² | +63 m² +65% | 2018 |
|---|
| 14, The Close922 m away | 140 m² | 202 m² | +62 m² +44% | 2021 |
|---|
| 44, Oregon Square332 m away | 60 m² | 122 m² | +62 m² +103% | 2019 |
|---|
| 11, The Close922 m away | 107 m² | 169 m² | +62 m² +58% | 2018 |
|---|
| 9, Abbots Close758 m away | 101 m² | 162 m² | +61 m² +60% | 2021 |
|---|
| 39, Allington Road153 m away | 54 m² | 115 m² | +61 m² +113% | 2020 |
|---|
| 43, St Johns Road766 m away | 65 m² | 126 m² | +61 m² +94% | 2018 |
|---|
| 78, Rusland Avenue781 m away | 74 m² | 134 m² | +60 m² +81% | 2026 |
|---|
| 17, Knoll Rise713 m away | 141 m² | 201 m² | +60 m² +43% | 2025 |
|---|
| 11, Grange Road802 m away | 83 m² | 143 m² | +60 m² +72% | 2025 |
|---|
| 6, Elm Grove740 m away | 139 m² | 198 m² | +59 m² +42% | 2023 |
|---|
| 2d, Lynwood Grove315 m away | 162 m² | 220 m² | +58 m² +36% | 2026 |
|---|
| 16, Crofton Lane538 m away | 130 m² | 188 m² | +58 m² +45% | 2026 |
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| 19, Red Cedars Road367 m away | 78 m² | 135 m² | +57 m² +73% | 2026 |
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| 14, Broadcroft Road627 m away | 91 m² | 148 m² | +57 m² +63% | 2025 |
|---|
| 79, Grange Road945 m away | 96 m² | 153 m² | +57 m² +59% | 2022 |
|---|
| 16, Pound Court Drive663 m away | 150 m² | 206 m² | +56 m² +37% | 2022 |
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| 57, Oregon Square460 m away | 63 m² | 117 m² | +54 m² +86% | 2026 |
|---|
| 11a, Beaumont Road712 m away | 127 m² | 180 m² | +53 m² +42% | 2026 |
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| 38, Rusland Avenue909 m away | 55 m² | 108 m² | +53 m² +96% | 2024 |
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| 61b, Broxbourne Road623 m away | 123 m² | 176 m² | +53 m² +43% | 2022 |
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| 3, Woodhead Drive744 m away | 121 m² | 174 m² | +53 m² +44% | 2022 |
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| 115, Towncourt Lane960 m away | 108 m² | 161 m² | +53 m² +49% | 2022 |
|---|
| 21, Station Road845 m away | 237 m² | 288 m² | +51 m² +22% | 2021 |
|---|
| 1, Orchard Green582 m away | 135 m² | 186 m² | +51 m² +38% | 2015 |
|---|
| 13, Dale Wood Road248 m away | 132 m² | 182 m² | +50 m² +38% | 2025 |
|---|
| 10a, Homesdale Road633 m away | 132 m² | 182 m² | +50 m² +38% | 2024 |
|---|
| 33, Station Road845 m away | 62 m² | 112 m² | +50 m² +81% | 2020 |
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| 34, Hillview Road582 m away | 121 m² | 171 m² | +50 m² +41% | 2018 |
|---|
| 69, Dale Wood Road248 m away | 119 m² | 169 m² | +50 m² +42% | 2016 |
|---|
| 20, Heath Side741 m away | 87 m² | 137 m² | +50 m² +57% | 2012 |
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| 34, Ferndown Avenue240 m away | 77 m² | 126 m² | +49 m² +64% | 2026 |
|---|
| 53, Andover Road70 m away | 56 m² | 105 m² | +49 m² +88% | 2022 |
|---|
| 50a, Oregon Square332 m away | 66 m² | 115 m² | +49 m² +74% | 2022 |
|---|
| 6, Appleby Close684 m away | 85 m² | 133 m² | +48 m² +56% | 2025 |
|---|
| 141, Crofton Road610 m away | 93 m² | 141 m² | +48 m² +52% | 2017 |
|---|
| 25, Rusland Avenue909 m away | 87 m² | 135 m² | +48 m² +55% | 2015 |
|---|
| 72, St Johns Road944 m away | 74 m² | 121 m² | +47 m² +64% | 2026 |
|---|
| 193, Crofton Lane528 m away | 119 m² | 166 m² | +47 m² +39% | 2024 |
|---|
| 36, Derwent Drive696 m away | 57 m² | 104 m² | +47 m² +82% | 2021 |
|---|
| 20, Blossom Drive807 m away | 99 m² | 145 m² | +46 m² +46% | 2020 |
|---|
| 2, St Johns Road777 m away | 118 m² | 164 m² | +46 m² +39% | 2014 |
|---|
| 3, Hillview Road569 m away | 107 m² | 152 m² | +45 m² +42% | 2026 |
|---|
| 72, Elm Grove561 m away | 91 m² | 136 m² | +45 m² +49% | 2023 |
|---|
| Flat 19, Knoll Court, 18, Station Road772 m away | 61 m² | 106 m² | +45 m² +74% | 2022 |
|---|
| 27, Knoll Rise713 m away | 128 m² | 173 m² | +45 m² +35% | 2014 |
|---|
| 24, Sherlies Avenue676 m away | 72 m² | 117 m² | +45 m² +63% | 2011 |
|---|
| 206, Crofton Lane587 m away | 109 m² | 153 m² | +44 m² +40% | 2025 |
|---|
| 89, Allington Road153 m away | 67 m² | 111 m² | +44 m² +66% | 2021 |
|---|
| 5, Pinewood Close317 m away | 120 m² | 164 m² | +44 m² +37% | 2013 |
|---|
| 3, Oakhill Road576 m away | 186 m² | 229 m² | +43 m² +23% | 2026 |
|---|
| 103, Towncourt Lane960 m away | 51 m² | 94 m² | +43 m² +84% | 2025 |
|---|
| 42, Broadcroft Road627 m away | 115 m² | 158 m² | +43 m² +37% | 2014 |
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| 12, Greenfield Gardens721 m away | 55 m² | 97 m² | +42 m² +76% | 2026 |
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| 15, Romany Rise749 m away | 144 m² | 186 m² | +42 m² +29% | 2025 |
|---|
| 2, Beaumont Road666 m away | 199 m² | 241 m² | +42 m² +21% | 2018 |
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| 39, Romany Rise749 m away | 135 m² | 176 m² | +41 m² +30% | 2024 |
|---|
| 25, The Avenue967 m away | 139 m² | 180 m² | +41 m² +29% | 2021 |
|---|
| 36, Rusland Avenue909 m away | 75 m² | 116 m² | +41 m² +55% | 2020 |
|---|
| 51, Elm Grove651 m away | 109 m² | 149 m² | +40 m² +37% | 2017 |
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| 77, Cowden Road824 m away | 75 m² | 115 m² | +40 m² +53% | 2015 |
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| 4, Lewing Close197 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 36, Reed Avenue994 m away | 90 m² | 129 m² | +39 m² +43% | 2023 |
|---|
| 7, Melbourne Close648 m away | 131 m² | 170 m² | +39 m² +30% | 2022 |
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| 28, Ridgeway Crescent978 m away | 92 m² | 131 m² | +39 m² +42% | 2022 |
|---|
| 55, Crofton Lane534 m away | 87 m² | 125 m² | +38 m² +44% | 2020 |
|---|
| 5, Greenfield Gardens721 m away | 60 m² | 97 m² | +37 m² +62% | 2024 |
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| 80, Lynwood Grove472 m away | 176 m² | 213 m² | +37 m² +21% | 2022 |
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| 13, Ridgeway Crescent Gardens820 m away | 124 m² | 160 m² | +36 m² +29% | 2025 |
|---|
| 18, Crofton Road420 m away | 86 m² | 122 m² | +36 m² +42% | 2016 |
|---|
| 70, Crofton Road432 m away | 63 m² | 98 m² | +35 m² +56% | 2015 |
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| 36, Maxwell Gardens900 m away | 75 m² | 110 m² | +35 m² +47% | 2014 |
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| 8, Ridgeway Crescent Gardens820 m away | 93 m² | 127 m² | +34 m² +37% | 2022 |
|---|
| 212, Crofton Lane587 m away | 145 m² | 179 m² | +34 m² +23% | 2021 |
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| 13, Keswick Road897 m away | 123 m² | 156 m² | +33 m² +27% | 2020 |
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| 2, Hillview Crescent401 m away | 104 m² | 137 m² | +33 m² +32% | 2014 |
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| 11, Kelvin Parade232 m away | 107 m² | 139 m² | +32 m² +30% | 2022 |
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| 85, Grange Road945 m away | 88 m² | 120 m² | +32 m² +36% | 2009 |
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| 2, Oakhill Road576 m away | 171 m² | 201 m² | +30 m² +18% | 2022 |
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| 13, Reed Avenue996 m away | 89 m² | 119 m² | +30 m² +34% | 2016 |
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| 9, Cowden Road824 m away | 85 m² | 115 m² | +30 m² +35% | 2015 |
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| 52, Oregon Square332 m away | 60 m² | 89 m² | +29 m² +48% | 2026 |
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| 16, Crofton Road420 m away | 80 m² | 109 m² | +29 m² +36% | 2025 |
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| 34, Reed Avenue994 m away | 90 m² | 119 m² | +29 m² +32% | 2024 |
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| 173, Crofton Road842 m away | 176 m² | 205 m² | +29 m² +16% | 2018 |
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| 10, Darrick Wood Road732 m away | 122 m² | 150 m² | +28 m² +23% | 2026 |
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| 36, The Covert880 m away | 134 m² | 162 m² | +28 m² +21% | 2024 |
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| 101, Crofton Road474 m away | 116 m² | 144 m² | +28 m² +24% | 2023 |
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| 11, St Francis Close974 m away | 123 m² | 151 m² | +28 m² +23% | 2017 |
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| 11, Novar Close874 m away | 101 m² | 129 m² | +28 m² +28% | 2015 |
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| 72, Newstead Avenue890 m away | 125 m² | 152 m² | +27 m² +22% | 2026 |
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| 2, The Ridge529 m away | 133 m² | 160 m² | +27 m² +20% | 2023 |
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| 61, Newstead Avenue898 m away | 84 m² | 111 m² | +27 m² +32% | 2023 |
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| 22, Crofton Road420 m away | 83 m² | 110 m² | +27 m² +33% | 2019 |
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| 25, Broughton Road906 m away | 87 m² | 114 m² | +27 m² +31% | 2017 |
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| 19, Gleneagles Close361 m away | 104 m² | 130 m² | +26 m² +25% | 2025 |
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| 83, Clareville Road870 m away | 40 m² | 66 m² | +26 m² +65% | 2025 |
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| Edinburgh Lodge, 20, Station Road771 m away | 50 m² | 76 m² | +26 m² +52% | 2022 |
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| 1, Yeovil Close331 m away | 97 m² | 123 m² | +26 m² +27% | 2019 |
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| 67, Place Farm Avenue283 m away | 103 m² | 129 m² | +26 m² +25% | 2016 |
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| 101, Oregon Square328 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
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| 19, Turnberry Way389 m away | 91 m² | 117 m² | +26 m² +29% | 2014 |
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| 29, Tubbenden Lane742 m away | 148 m² | 173 m² | +25 m² +17% | 2025 |
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| 39, Hillview Road569 m away | 95 m² | 120 m² | +25 m² +26% | 2023 |
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| 44, Newstead Avenue622 m away | 107 m² | 132 m² | +25 m² +23% | 2023 |
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| 42, Rusland Avenue909 m away | 96 m² | 121 m² | +25 m² +26% | 2023 |
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| 40, Dale Wood Road306 m away | 110 m² | 134 m² | +24 m² +22% | 2026 |
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| 15, Gleneagles Close361 m away | 69 m² | 93 m² | +24 m² +35% | 2024 |
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| 28, Willersley Avenue918 m away | 63 m² | 87 m² | +24 m² +38% | 2012 |
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| 23, Shelley Close918 m away | 89 m² | 113 m² | +24 m² +27% | 2011 |
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| 38, Station Road741 m away | 111 m² | 134 m² | +23 m² +21% | 2025 |
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| 61, Cathcart Drive191 m away | 101 m² | 124 m² | +23 m² +23% | 2024 |
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| 57, Newstead Avenue898 m away | 140 m² | 163 m² | +23 m² +16% | 2023 |
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| 2, Monks Way656 m away | 98 m² | 121 m² | +23 m² +23% | 2015 |
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| 25, Mayfield Avenue593 m away | 124 m² | 147 m² | +23 m² +19% | 2014 |
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| 26, Shelley Close918 m away | 74 m² | 97 m² | +23 m² +31% | 2014 |
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| 9, Spencer Close776 m away | 96 m² | 118 m² | +22 m² +23% | 2025 |
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| 6, Kydbrook Close978 m away | 59 m² | 81 m² | +22 m² +37% | 2020 |
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| 2, Becketts Close929 m away | 92 m² | 114 m² | +22 m² +24% | 2019 |
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| 3, Pondwood Rise270 m away | 95 m² | 116 m² | +21 m² +22% | 2026 |
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| 4, Turnberry Way389 m away | 102 m² | 123 m² | +21 m² +21% | 2025 |
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| 3, Monks Way656 m away | 116 m² | 137 m² | +21 m² +18% | 2025 |
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| 11, Beckford Drive449 m away | 110 m² | 131 m² | +21 m² +19% | 2021 |
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| 83, Cowden Road824 m away | 85 m² | 106 m² | +21 m² +25% | 2015 |
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| 74, Towncourt Lane713 m away | 98 m² | 119 m² | +21 m² +21% | 2014 |
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| 131, Crofton Lane497 m away | 82 m² | 102 m² | +20 m² +24% | 2025 |
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| 15, Bushey Avenue818 m away | 94 m² | 114 m² | +20 m² +21% | 2024 |
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| 19, Dalton Close865 m away | 90 m² | 110 m² | +20 m² +22% | 2024 |
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| Flat 1, Bramley Court, 19, Orchard Grove841 m away | 68 m² | 88 m² | +20 m² +29% | 2022 |
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| 67, Crofton Road474 m away | 126 m² | 146 m² | +20 m² +16% | 2017 |
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| 84, Crofton Road432 m away | 94 m² | 114 m² | +20 m² +21% | 2014 |
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| 98a, Andover Road0 m away | 98 m² | 117 m² | +19 m² +19% | 2022 |
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| Flat 6, Berwick House, 8 - 10, Knoll Rise970 m away | 50 m² | 68 m² | +18 m² +36% | 2026 |
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| 18, Woodcote Drive362 m away | 117 m² | 135 m² | +18 m² +15% | 2025 |
|---|
| 24, Newstead Avenue622 m away | 104 m² | 122 m² | +18 m² +17% | 2025 |
|---|
| 13, Gumping Road807 m away | 86 m² | 104 m² | +18 m² +21% | 2025 |
|---|
| 14, Turnberry Way389 m away | 101 m² | 119 m² | +18 m² +18% | 2024 |
|---|
| 96, Sparrow Drive652 m away | 101 m² | 119 m² | +18 m² +18% | 2024 |
|---|
| 87, Allington Road153 m away | 109 m² | 127 m² | +18 m² +17% | 2023 |
|---|
| 17, Newstead Avenue589 m away | 97 m² | 115 m² | +18 m² +19% | 2021 |
|---|
| 2, Fieldway896 m away | 98 m² | 116 m² | +18 m² +18% | 2021 |
|---|
| 15, Cathcart Drive191 m away | 106 m² | 124 m² | +18 m² +17% | 2020 |
|---|
| 53, Gumping Road807 m away | 77 m² | 95 m² | +18 m² +23% | 2015 |
|---|
| 7a, Dale Wood Road248 m away | 107 m² | 125 m² | +18 m² +17% | 2011 |
|---|
| 53, Place Farm Avenue283 m away | 103 m² | 120 m² | +17 m² +17% | 2025 |
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| 8, Pinewood Close317 m away | 76 m² | 93 m² | +17 m² +22% | 2022 |
|---|
| 65, Oregon Square328 m away | 56 m² | 73 m² | +17 m² +30% | 2022 |
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| 20, Newstead Avenue622 m away | 112 m² | 129 m² | +17 m² +15% | 2019 |
|---|
| 27, Shepperton Road968 m away | 88 m² | 104 m² | +16 m² +18% | 2020 |
|---|
| 11, Torver Way901 m away | 64 m² | 80 m² | +16 m² +25% | 2019 |
|---|
| 45, Andover Road70 m away | 90 m² | 106 m² | +16 m² +18% | 2017 |
|---|
| 15, Shepperton Road968 m away | 78 m² | 94 m² | +16 m² +21% | 2017 |
|---|
| 3, Derwent Drive691 m away | 59 m² | 75 m² | +16 m² +27% | 2014 |
|---|
| 41, Aylesham Road809 m away | 84 m² | 100 m² | +16 m² +19% | 2014 |
|---|
| 1, Fieldway896 m away | 83 m² | 98 m² | +15 m² +18% | 2021 |
|---|
| 17, Woodhead Drive744 m away | 83 m² | 98 m² | +15 m² +18% | 2020 |
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