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 HA5 2JY
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 |
|---|---|---|---|---|
| 223, Eastcote Road419 m away | 124 m² | 258 m² | +134 m² +108% | 2024 |
| 25, The Chase790 m away | 98 m² | 228 m² | +130 m² +133% | 2022 |
| 26, Windmill Hill971 m away | 108 m² | 235 m² | +127 m² +118% | 2011 |
| 9, The Ridgeway740 m away | 104 m² | 230 m² | +126 m² +121% | 2025 |
| 21, Blagrove Crescent255 m away | 214 m² | 335 m² | +121 m² +57% | 2022 |
| 4, The Ridgeway803 m away | 130 m² | 246 m² | +116 m² +89% | 2019 |
| 13, Evelyn Avenue509 m away | 102 m² | 206 m² | +104 m² +102% | 2022 |
| 127, Evelyn Avenue947 m away | 122 m² | 225 m² | +103 m² +84% | 2026 |
| 104, Lime Grove516 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 |
| 185 m² |
| +97 m² +110% |
| 2022 |
| 100, Broadwood Avenue701 m away | 115 m² | 210 m² | +95 m² +83% | 2015 |
|---|
| Fairway, High Road952 m away | 103 m² | 197 m² | +94 m² +91% | 2014 |
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| 43, Blagrove Crescent255 m away | 214 m² | 305 m² | +91 m² +43% | 2024 |
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| 24, Field End Road407 m away | 74 m² | 160 m² | +86 m² +116% | 2015 |
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| 56, Rodney Gardens743 m away | 89 m² | 171 m² | +82 m² +92% | 2023 |
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| 15, Kent Gardens395 m away | 86 m² | 167 m² | +81 m² +94% | 2018 |
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| 8, Lime Grove799 m away | 101 m² | 181 m² | +80 m² +79% | 2026 |
|---|
| 6, Bridle Road735 m away | 120 m² | 198 m² | +78 m² +65% | 2016 |
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| 6, Wentworth Drive468 m away | 88 m² | 165 m² | +77 m² +88% | 2024 |
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| 78, Lime Grove516 m away | 59 m² | 136 m² | +77 m² +131% | 2023 |
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| 223, Joel Street835 m away | 147 m² | 223 m² | +76 m² +52% | 2024 |
|---|
| 8, Windmill Hill971 m away | 125 m² | 201 m² | +76 m² +61% | 2014 |
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| 8, Warrender Way712 m away | 100 m² | 175 m² | +75 m² +75% | 2025 |
|---|
| 167, Eastcote Road686 m away | 102 m² | 177 m² | +75 m² +74% | 2016 |
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| 28, Abbotsbury Gardens922 m away | 114 m² | 188 m² | +74 m² +65% | 2025 |
|---|
| 41, Acacia Avenue995 m away | 97 m² | 168 m² | +71 m² +73% | 2023 |
|---|
| 18a, The Chase838 m away | 130 m² | 200 m² | +70 m² +54% | 2026 |
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| 82, Mount Park Road94 m away | 50 m² | 118 m² | +68 m² +136% | 2017 |
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| 2, Kings College Road817 m away | 107 m² | 175 m² | +68 m² +64% | 2014 |
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| 28, Acacia Avenue965 m away | 97 m² | 163 m² | +66 m² +68% | 2025 |
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| 194, Joel Street881 m away | 81 m² | 146 m² | +65 m² +80% | 2024 |
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| 173, Eastcote Road686 m away | 136 m² | 201 m² | +65 m² +48% | 2014 |
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| 54, Crescent Gardens785 m away | 107 m² | 169 m² | +62 m² +58% | 2018 |
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| 3, Chamberlain Lane989 m away | 84 m² | 145 m² | +61 m² +73% | 2025 |
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| 52, Wiltshire Lane772 m away | 66 m² | 127 m² | +61 m² +92% | 2019 |
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| 8, Deane Croft Road842 m away | 101 m² | 161 m² | +60 m² +59% | 2024 |
|---|
| 51, Flowers Avenue238 m away | 123 m² | 180 m² | +57 m² +46% | 2020 |
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| 69, Mount Park Road200 m away | 49 m² | 104 m² | +55 m² +112% | 2026 |
|---|
| 27, Meadow Close521 m away | 81 m² | 136 m² | +55 m² +68% | 2024 |
|---|
| 33, Rodney Gardens756 m away | 117 m² | 172 m² | +55 m² +47% | 2024 |
|---|
| 28, Pamela Gardens502 m away | 140 m² | 194 m² | +54 m² +39% | 2024 |
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| 6, Dormywood560 m away | 84 m² | 138 m² | +54 m² +64% | 2012 |
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| 11, River Close414 m away | 121 m² | 174 m² | +53 m² +44% | 2016 |
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| 24, Pamela Gardens502 m away | 100 m² | 152 m² | +52 m² +52% | 2018 |
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| 87, Evelyn Avenue732 m away | 131 m² | 182 m² | +51 m² +39% | 2017 |
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| 10, Evelyn Avenue392 m away | 82 m² | 133 m² | +51 m² +62% | 2013 |
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| 28, Flowers Avenue271 m away | 122 m² | 172 m² | +50 m² +41% | 2023 |
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| 96, Mount Park Road41 m away | 56 m² | 106 m² | +50 m² +89% | 2022 |
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| 52, College Drive790 m away | 76 m² | 126 m² | +50 m² +66% | 2018 |
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| 15, Sutton Close171 m away | 57 m² | 106 m² | +49 m² +86% | 2026 |
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| 71, Evelyn Avenue732 m away | 118 m² | 167 m² | +49 m² +42% | 2026 |
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| 27, Crescent Gardens772 m away | 108 m² | 157 m² | +49 m² +45% | 2022 |
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| 63, Mount Park Road200 m away | 56 m² | 105 m² | +49 m² +88% | 2021 |
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| 53, Hawthorne Avenue838 m away | 65 m² | 114 m² | +49 m² +75% | 2020 |
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| 104, Mount Park Road41 m away | 46 m² | 95 m² | +49 m² +107% | 2011 |
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| 8, Eastfields986 m away | 79 m² | 127 m² | +48 m² +61% | 2024 |
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| 14, Lime Grove799 m away | 93 m² | 141 m² | +48 m² +52% | 2022 |
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| 66, Acacia Avenue965 m away | 88 m² | 136 m² | +48 m² +55% | 2022 |
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| 19, College Drive841 m away | 116 m² | 164 m² | +48 m² +41% | 2020 |
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| 28, Westbury Close652 m away | 118 m² | 166 m² | +48 m² +41% | 2018 |
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| 14, Kings College Road817 m away | 135 m² | 182 m² | +47 m² +35% | 2026 |
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| 43, College Drive841 m away | 76 m² | 122 m² | +46 m² +61% | 2025 |
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| 13b, Deane Way637 m away | 92 m² | 138 m² | +46 m² +50% | 2024 |
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| 11, Pamela Gardens502 m away | 101 m² | 147 m² | +46 m² +46% | 2022 |
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| 16, Farmlands767 m away | 91 m² | 137 m² | +46 m² +51% | 2022 |
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| 48, Azalea Walk268 m away | 79 m² | 124 m² | +45 m² +57% | 2013 |
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| 10, Meadow Way619 m away | 104 m² | 148 m² | +44 m² +42% | 2025 |
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| 14, Gerrard Gardens358 m away | 63 m² | 107 m² | +44 m² +70% | 2023 |
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| 253, Eastcote Road256 m away | 91 m² | 135 m² | +44 m² +48% | 2021 |
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| 7, Chippenham Close924 m away | 39 m² | 83 m² | +44 m² +113% | 2013 |
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| 4, Fore Street108 m away | 65 m² | 107 m² | +42 m² +65% | 2017 |
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| 9, Courtlands Close962 m away | 104 m² | 145 m² | +41 m² +39% | 2020 |
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| 47, Acacia Avenue995 m away | 101 m² | 142 m² | +41 m² +41% | 2016 |
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| 1, The Uplands979 m away | 122 m² | 162 m² | +40 m² +33% | 2025 |
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| 53a, Hawthorne Avenue838 m away | 74 m² | 114 m² | +40 m² +54% | 2020 |
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| 70, College Drive790 m away | 83 m² | 122 m² | +39 m² +47% | 2015 |
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| 1, Eastfields986 m away | 48 m² | 86 m² | +38 m² +79% | 2010 |
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| 207, Eastcote Road419 m away | 88 m² | 125 m² | +37 m² +42% | 2024 |
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| 9 Bower House, 1, Ellis Close170 m away | 71 m² | 108 m² | +37 m² +52% | 2012 |
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| 63, Farmlands776 m away | 97 m² | 133 m² | +36 m² +37% | 2024 |
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| 8, Curzon Place941 m away | 92 m² | 127 m² | +35 m² +38% | 2026 |
|---|
| 29, Flowers Avenue238 m away | 129 m² | 164 m² | +35 m² +27% | 2021 |
|---|
| 20, Sutton Close171 m away | 91 m² | 125 m² | +34 m² +37% | 2026 |
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| 30, Elmbridge Drive255 m away | 90 m² | 124 m² | +34 m² +38% | 2022 |
|---|
| 31, Acacia Avenue995 m away | 126 m² | 160 m² | +34 m² +27% | 2012 |
|---|
| Orinis, High Road765 m away | 144 m² | 177 m² | +33 m² +23% | 2024 |
|---|
| 6, Lovatt Drive329 m away | 48 m² | 81 m² | +33 m² +69% | 2015 |
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| 20, Abbotsbury Gardens922 m away | 183 m² | 215 m² | +32 m² +17% | 2024 |
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| 23, Flowers Avenue238 m away | 129 m² | 161 m² | +32 m² +25% | 2022 |
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| 32, College Drive790 m away | 177 m² | 209 m² | +32 m² +18% | 2011 |
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| 90, Eastcote Road933 m away | 119 m² | 150 m² | +31 m² +26% | 2026 |
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| 8, Yeomans Acre219 m away | 102 m² | 133 m² | +31 m² +30% | 2020 |
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| 33, Azalea Walk357 m away | 111 m² | 141 m² | +30 m² +27% | 2025 |
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| 24, Flag Walk139 m away | 85 m² | 114 m² | +29 m² +34% | 2026 |
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| 7, Flag Walk139 m away | 84 m² | 113 m² | +29 m² +35% | 2014 |
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| 23a, Cheney Street918 m away | 115 m² | 143 m² | +28 m² +24% | 2025 |
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| 11, Wentworth Drive468 m away | 54 m² | 82 m² | +28 m² +52% | 2024 |
|---|
| 47, Deane Way522 m away | 121 m² | 149 m² | +28 m² +23% | 2020 |
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| 116, Fore Street478 m away | 97 m² | 125 m² | +28 m² +29% | 2019 |
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| 6, Kent Gardens395 m away | 142 m² | 170 m² | +28 m² +20% | 2017 |
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| 9, Elmbridge Close229 m away | 57 m² | 85 m² | +28 m² +49% | 2012 |
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| 31, St Lawrence Drive585 m away | 101 m² | 128 m² | +27 m² +27% | 2022 |
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| 176, Eastcote Road607 m away | 96 m² | 123 m² | +27 m² +28% | 2021 |
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| 8, Highbridge House, 14, Wren Lane385 m away | 47 m² | 74 m² | +27 m² +57% | 2010 |
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| 13, Highbridge House, 14, Wren Lane385 m away | 47 m² | 74 m² | +27 m² +57% | 2010 |
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| 43a, Fore Street283 m away | 98 m² | 124 m² | +26 m² +27% | 2026 |
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| 26, Abbotsbury Gardens922 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
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| 32, Lime Grove799 m away | 134 m² | 160 m² | +26 m² +19% | 2016 |
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| 100, Eastcote Road933 m away | 132 m² | 158 m² | +26 m² +20% | 2015 |
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| 40, Acacia Avenue965 m away | 106 m² | 131 m² | +25 m² +24% | 2026 |
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| Flat 1, Highgrove House, Lidgould Grove335 m away | 43 m² | 68 m² | +25 m² +58% | 2021 |
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| 21, River Close414 m away | 96 m² | 121 m² | +25 m² +26% | 2019 |
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| 155, Eastcote Road686 m away | 116 m² | 140 m² | +24 m² +21% | 2026 |
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| 1, Brora House, 3, Flowers Avenue200 m away | 60 m² | 84 m² | +24 m² +40% | 2024 |
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| 1, Farthings Close459 m away | 73 m² | 97 m² | +24 m² +33% | 2020 |
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| 44, Haydon Drive887 m away | 55 m² | 79 m² | +24 m² +44% | 2020 |
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| 3, Warrender Way672 m away | 112 m² | 136 m² | +24 m² +21% | 2013 |
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| 27, Chippenham Close924 m away | 104 m² | 128 m² | +24 m² +23% | 2013 |
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| Flat 1, Wincombe Court, 2, Ellis Close153 m away | 60 m² | 84 m² | +24 m² +40% | 2012 |
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| 18, Courtlands Close962 m away | 116 m² | 139 m² | +23 m² +20% | 2025 |
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| 134, Fore Street628 m away | 76 m² | 99 m² | +23 m² +30% | 2023 |
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| 39, Crescent Gardens772 m away | 115 m² | 138 m² | +23 m² +20% | 2016 |
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| 51, Mount Park Road200 m away | 59 m² | 81 m² | +22 m² +37% | 2026 |
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| 87, Lime Grove516 m away | 66 m² | 88 m² | +22 m² +33% | 2010 |
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| 11, Tudor Close110 m away | 72 m² | 93 m² | +21 m² +29% | 2025 |
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| 30, Mount Park Road248 m away | 61 m² | 82 m² | +21 m² +34% | 2025 |
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| 257, Eastcote Road256 m away | 102 m² | 123 m² | +21 m² +21% | 2024 |
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| 36, Fore Street108 m away | 108 m² | 129 m² | +21 m² +19% | 2022 |
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| 12, Field End Road407 m away | 90 m² | 111 m² | +21 m² +23% | 2022 |
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| 63, Azalea Walk268 m away | 110 m² | 131 m² | +21 m² +19% | 2020 |
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| 64, Farmlands776 m away | 130 m² | 151 m² | +21 m² +16% | 2016 |
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| 16, Kaduna Close295 m away | 55 m² | 75 m² | +20 m² +36% | 2026 |
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| 16, Rodney Gardens830 m away | 106 m² | 126 m² | +20 m² +19% | 2025 |
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| 11, Flowers Avenue238 m away | 129 m² | 149 m² | +20 m² +16% | 2022 |
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| 18, Kaduna Close295 m away | 55 m² | 75 m² | +20 m² +36% | 2016 |
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| 115, Evelyn Avenue947 m away | 118 m² | 138 m² | +20 m² +17% | 2013 |
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| 36, The Sigers531 m away | 93 m² | 112 m² | +19 m² +20% | 2026 |
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| 10, Highgrove Way561 m away | 117 m² | 136 m² | +19 m² +16% | 2025 |
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| 27, Highgrove Way561 m away | 98 m² | 117 m² | +19 m² +19% | 2023 |
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| 3, Abbotsbury Gardens919 m away | 112 m² | 131 m² | +19 m² +17% | 2020 |
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| 14, Highgrove Way561 m away | 116 m² | 135 m² | +19 m² +16% | 2017 |
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| 2, Gladsdale Drive742 m away | 116 m² | 135 m² | +19 m² +16% | 2017 |
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| 36, St Lawrence Drive621 m away | 55 m² | 74 m² | +19 m² +35% | 2015 |
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| 32, Mount Park Road248 m away | 82 m² | 100 m² | +18 m² +22% | 2026 |
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| Flat 6, Highgrove House, Lidgould Grove335 m away | 67 m² | 85 m² | +18 m² +27% | 2021 |
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| 42, Acacia Avenue965 m away | 62 m² | 80 m² | +18 m² +29% | 2018 |
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| 49, Fore Street283 m away | 109 m² | 127 m² | +18 m² +17% | 2010 |
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| 5, Gerrard Gardens358 m away | 56 m² | 73 m² | +17 m² +30% | 2024 |
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| 16, Fairacres701 m away | 81 m² | 98 m² | +17 m² +21% | 2022 |
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| Flat 10, Highgrove House, Lidgould Grove335 m away | 83 m² | 100 m² | +17 m² +20% | 2021 |
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| 50, Rodney Gardens743 m away | 108 m² | 125 m² | +17 m² +16% | 2018 |
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| 39, Azalea Walk357 m away | 102 m² | 119 m² | +17 m² +17% | 2016 |
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| 4, The Chase838 m away | 107 m² | 124 m² | +17 m² +16% | 2015 |
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| 3, Coleridge Drive411 m away | 106 m² | 123 m² | +17 m² +16% | 2010 |
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| 45, Coniston Gardens541 m away | 57 m² | 73 m² | +16 m² +28% | 2022 |
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| 5, Mount Park Road338 m away | 65 m² | 81 m² | +16 m² +25% | 2018 |
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