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 UB4 9AR
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 |
|---|---|---|---|---|
| 1, Bournemead Close756 m away | 92 m² | 206 m² | +114 m² +124% | 2026 |
| 22, Edward Road511 m away | 79 m² | 187 m² | +108 m² +137% | 2017 |
| 205, Radcliffe Way809 m away | 75 m² | 180 m² | +105 m² +140% | 2014 |
| 23, Barnhill Road209 m away | 85 m² | 182 m² | +97 m² +114% | 2023 |
| 2, Sherwood Avenue270 m away | 92 m² | 187 m² | +95 m² +103% | 2024 |
| 13, Barnhill Road209 m away | 85 m² | 175 m² | +90 m² +106% | 2016 |
| 180, Shakespeare Avenue657 m away | 66 m² | 150 m² | +84 m² +127% | 2023 |
| 4, Leamington Place952 m away | 68 m² | 150 m² | +82 m² +121% | 2026 |
| 17, Tangmere Gardens878 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 |
| 181 m² |
| +81 m² +81% |
| 2018 |
| 15, Reynolds Road432 m away | 67 m² | 148 m² | +81 m² +121% | 2015 |
|---|
| 15, Marian Close767 m away | 109 m² | 188 m² | +79 m² +72% | 2022 |
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| 43, Marvell Avenue827 m away | 89 m² | 163 m² | +74 m² +83% | 2015 |
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| 106, Greenway302 m away | 84 m² | 157 m² | +73 m² +87% | 2025 |
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| 70, Hatfield Court, Canberra Drive508 m away | 72 m² | 144 m² | +72 m² +100% | 2024 |
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| 26, Maple Road605 m away | 67 m² | 138 m² | +71 m² +106% | 2024 |
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| 11, Ayles Road298 m away | 73 m² | 144 m² | +71 m² +97% | 2020 |
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| 25, Lothian Avenue668 m away | 61 m² | 131 m² | +70 m² +115% | 2022 |
|---|
| 6, Harries Road473 m away | 84 m² | 154 m² | +70 m² +83% | 2014 |
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| 193, Radcliffe Way809 m away | 78 m² | 148 m² | +70 m² +90% | 2014 |
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| 84, Marvell Avenue844 m away | 83 m² | 152 m² | +69 m² +83% | 2023 |
|---|
| Flat 12, Christchurch Court, Dunedin Way479 m away | 71 m² | 140 m² | +69 m² +97% | 2014 |
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| Flat 16, Westport Court, Norwood Gardens566 m away | 73 m² | 142 m² | +69 m² +95% | 2014 |
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| 29, Barnhill Lane115 m away | 127 m² | 195 m² | +68 m² +54% | 2021 |
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| 30, Rushdene Crescent588 m away | 90 m² | 156 m² | +66 m² +73% | 2025 |
|---|
| 77, Kingshill Avenue259 m away | 69 m² | 134 m² | +65 m² +94% | 2026 |
|---|
| 27, Lothian Avenue668 m away | 61 m² | 126 m² | +65 m² +107% | 2025 |
|---|
| 130, Maple Close696 m away | 107 m² | 172 m² | +65 m² +61% | 2015 |
|---|
| 8, Maple Road490 m away | 82 m² | 146 m² | +64 m² +78% | 2024 |
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| 52, Old Ruislip Road972 m away | 108 m² | 171 m² | +63 m² +58% | 2025 |
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| 101, Radcliffe Way866 m away | 67 m² | 130 m² | +63 m² +94% | 2024 |
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| 9, Barnhill Lane115 m away | 90 m² | 153 m² | +63 m² +70% | 2023 |
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| 19, Rushdene Close518 m away | 114 m² | 176 m² | +62 m² +54% | 2026 |
|---|
| 16, Lothian Avenue668 m away | 63 m² | 125 m² | +62 m² +98% | 2023 |
|---|
| 24, Douglas Crescent677 m away | 57 m² | 118 m² | +61 m² +107% | 2024 |
|---|
| 58, Hobart Road779 m away | 128 m² | 187 m² | +59 m² +46% | 2016 |
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| 19, Barnhill Road209 m away | 85 m² | 141 m² | +56 m² +66% | 2026 |
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| 79, Hobart Road761 m away | 83 m² | 139 m² | +56 m² +67% | 2014 |
|---|
| 2, Morrison Road371 m away | 119 m² | 174 m² | +55 m² +46% | 2025 |
|---|
| 34, Hughenden Gardens606 m away | 68 m² | 123 m² | +55 m² +81% | 2023 |
|---|
| 31, Marian Close767 m away | 82 m² | 135 m² | +53 m² +65% | 2024 |
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| 45, Marvell Avenue827 m away | 81 m² | 132 m² | +51 m² +63% | 2015 |
|---|
| 43, Lothian Avenue668 m away | 62 m² | 111 m² | +49 m² +79% | 2025 |
|---|
| 120, Willow Tree Lane757 m away | 41 m² | 90 m² | +49 m² +120% | 2022 |
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| 14, Hornbeam Road796 m away | 123 m² | 172 m² | +49 m² +40% | 2017 |
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| 13, Keir Hardie Way498 m away | 71 m² | 119 m² | +48 m² +68% | 2026 |
|---|
| 22, Tangmere Gardens878 m away | 50 m² | 98 m² | +48 m² +96% | 2021 |
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| 48, Masefield Lane266 m away | 77 m² | 123 m² | +46 m² +60% | 2022 |
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| 7, Willow Tree Close688 m away | 65 m² | 111 m² | +46 m² +71% | 2022 |
|---|
| 3, Findhorn Avenue795 m away | 60 m² | 106 m² | +46 m² +77% | 2016 |
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| 14, Willow Tree Lane474 m away | 119 m² | 164 m² | +45 m² +38% | 2025 |
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| 45, Lothian Avenue668 m away | 76 m² | 121 m² | +45 m² +59% | 2025 |
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| 15, Old Ruislip Road879 m away | 100 m² | 145 m² | +45 m² +45% | 2023 |
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| 6, Bryant Road352 m away | 77 m² | 120 m² | +43 m² +56% | 2019 |
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| 21, Rushdene Crescent663 m away | 102 m² | 144 m² | +42 m² +41% | 2024 |
|---|
| 3, Edward Road511 m away | 85 m² | 127 m² | +42 m² +49% | 2021 |
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| 19, Hughenden Gardens606 m away | 87 m² | 128 m² | +41 m² +47% | 2024 |
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| 53, Bournemead Avenue758 m away | 95 m² | 136 m² | +41 m² +43% | 2024 |
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| 3, Harries Road473 m away | 85 m² | 126 m² | +41 m² +48% | 2012 |
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| 37, Nutfield Gardens722 m away | 117 m² | 157 m² | +40 m² +34% | 2022 |
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| 48, Longhook Gardens582 m away | 90 m² | 129 m² | +39 m² +43% | 2023 |
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| 16, Westbourne Close207 m away | 46 m² | 85 m² | +39 m² +85% | 2020 |
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| 8, Errol Gardens285 m away | 48 m² | 87 m² | +39 m² +81% | 2019 |
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| 180, Kingshill Avenue576 m away | 69 m² | 108 m² | +39 m² +57% | 2013 |
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| 35, Raleigh Avenue838 m away | 69 m² | 107 m² | +38 m² +55% | 2025 |
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| 37, Gurney Road417 m away | 70 m² | 108 m² | +38 m² +54% | 2023 |
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| 5, Lothian Avenue668 m away | 84 m² | 122 m² | +38 m² +45% | 2015 |
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| 91, Bournemead Avenue758 m away | 29 m² | 66 m² | +37 m² +128% | 2022 |
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| 18, Marvell Avenue820 m away | 85 m² | 122 m² | +37 m² +44% | 2016 |
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| 86a, Willow Tree Lane757 m away | 63 m² | 98 m² | +35 m² +56% | 2026 |
|---|
| 28, Douglas Crescent677 m away | 60 m² | 95 m² | +35 m² +58% | 2023 |
|---|
| 9, Jonson Close920 m away | 70 m² | 105 m² | +35 m² +50% | 2015 |
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| 7, Beech House, Larch Crescent860 m away | 33 m² | 67 m² | +34 m² +103% | 2026 |
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| 34, Barnhill Lane115 m away | 100 m² | 134 m² | +34 m² +34% | 2025 |
|---|
| 78, Larch Crescent907 m away | 79 m² | 113 m² | +34 m² +43% | 2024 |
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| 124, Yeading Lane929 m away | 87 m² | 121 m² | +34 m² +39% | 2014 |
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| 27, Albury Court, Canberra Drive557 m away | 41 m² | 75 m² | +34 m² +83% | 2011 |
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| 24, Nutfield Gardens722 m away | 115 m² | 148 m² | +33 m² +29% | 2025 |
|---|
| 11, Jonson Close920 m away | 69 m² | 102 m² | +33 m² +48% | 2024 |
|---|
| 35, Kingshill Avenue344 m away | 84 m² | 117 m² | +33 m² +39% | 2018 |
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| 20, Maple Road490 m away | 66 m² | 99 m² | +33 m² +50% | 2016 |
|---|
| 27, Kingshill Avenue344 m away | 86 m² | 118 m² | +32 m² +37% | 2025 |
|---|
| 85, Larch Crescent633 m away | 119 m² | 151 m² | +32 m² +27% | 2025 |
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| 20, Radcliffe Way827 m away | 84 m² | 116 m² | +32 m² +38% | 2025 |
|---|
| 8, Rose Park Close578 m away | 95 m² | 127 m² | +32 m² +34% | 2014 |
|---|
| 28, Bondfield Avenue588 m away | 64 m² | 95 m² | +31 m² +48% | 2026 |
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| 31, Yeading Fork541 m away | 90 m² | 121 m² | +31 m² +34% | 2025 |
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| 16, Norwood Gardens595 m away | 98 m² | 129 m² | +31 m² +32% | 2025 |
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| 4, Paddington Close996 m away | 60 m² | 91 m² | +31 m² +52% | 2025 |
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| 9, Larch Crescent949 m away | 93 m² | 123 m² | +30 m² +32% | 2014 |
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| 3, Down Close492 m away | 90 m² | 119 m² | +29 m² +32% | 2021 |
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| 53, Kingshill Avenue259 m away | 81 m² | 110 m² | +29 m² +36% | 2020 |
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| 122, Kingshill Avenue439 m away | 109 m² | 138 m² | +29 m² +27% | 2019 |
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| 1, Kingshill Avenue421 m away | 98 m² | 127 m² | +29 m² +30% | 2016 |
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| 163, Shakespeare Avenue734 m away | 98 m² | 127 m² | +29 m² +30% | 2015 |
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| 6, Dunedin Way406 m away | 126 m² | 154 m² | +28 m² +22% | 2026 |
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| 402, Yeading Lane470 m away | 54 m² | 82 m² | +28 m² +52% | 2025 |
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| 13, Wyatt Close915 m away | 74 m² | 102 m² | +28 m² +38% | 2023 |
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| 1, Selan Gardens937 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
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| 37, Maple Road605 m away | 91 m² | 119 m² | +28 m² +31% | 2015 |
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| 6, Rose Park Close578 m away | 87 m² | 115 m² | +28 m² +32% | 2014 |
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| 25, Westend Gardens633 m away | 107 m² | 135 m² | +28 m² +26% | 2014 |
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| 71, Lothian Avenue814 m away | 76 m² | 104 m² | +28 m² +37% | 2011 |
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| 8, Beech House, Larch Crescent860 m away | 42 m² | 69 m² | +27 m² +64% | 2018 |
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| 37, Repens Way997 m away | 40 m² | 67 m² | +27 m² +68% | 2018 |
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| 29, Tangmere Gardens888 m away | 101 m² | 128 m² | +27 m² +27% | 2014 |
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| 14, Marian Close767 m away | 132 m² | 159 m² | +27 m² +20% | 2011 |
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| 18, Rushdene Crescent663 m away | 79 m² | 105 m² | +26 m² +33% | 2016 |
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| 32, Balmoral Drive969 m away | 70 m² | 96 m² | +26 m² +37% | 2015 |
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| 20, Barnard Gardens332 m away | 44 m² | 69 m² | +25 m² +57% | 2025 |
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| 97, Raleigh Avenue686 m away | 74 m² | 99 m² | +25 m² +34% | 2016 |
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| 174, Maple Road753 m away | 100 m² | 125 m² | +25 m² +25% | 2014 |
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| 20, Chatsworth Road179 m away | 55 m² | 79 m² | +24 m² +44% | 2026 |
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| 42, Kingshill Avenue344 m away | 93 m² | 117 m² | +24 m² +26% | 2026 |
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| 1, Wyatt Close915 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| 12, Cripps Green225 m away | 75 m² | 99 m² | +24 m² +32% | 2022 |
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| 47, Owen Road218 m away | 56 m² | 80 m² | +24 m² +43% | 2018 |
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| 83, Warley Road898 m away | 97 m² | 121 m² | +24 m² +25% | 2015 |
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| 7, Norwood Gardens595 m away | 60 m² | 84 m² | +24 m² +40% | 2013 |
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| 51, Maple Road605 m away | 45 m² | 69 m² | +24 m² +53% | 2010 |
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| 13, Willow Tree Close688 m away | 65 m² | 89 m² | +24 m² +37% | 2010 |
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| 92, Rushdene Crescent619 m away | 84 m² | 107 m² | +23 m² +27% | 2025 |
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| 102, Bedford Avenue985 m away | 80 m² | 103 m² | +23 m² +29% | 2024 |
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| 40, Stratford Road154 m away | 78 m² | 101 m² | +23 m² +29% | 2023 |
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| 121, Kingshill Avenue326 m away | 66 m² | 89 m² | +23 m² +35% | 2017 |
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| 10, Reynolds Road432 m away | 69 m² | 92 m² | +23 m² +33% | 2014 |
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| 81, Selan Gardens841 m away | 55 m² | 77 m² | +22 m² +40% | 2023 |
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| 76, Hobart Close759 m away | 77 m² | 99 m² | +22 m² +29% | 2015 |
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| 3, Dehavilland Close781 m away | 68 m² | 90 m² | +22 m² +32% | 2013 |
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| 66, Old Ruislip Road972 m away | 79 m² | 100 m² | +21 m² +27% | 2025 |
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| 78, Old Ruislip Road972 m away | 100 m² | 121 m² | +21 m² +21% | 2023 |
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| 7, Hammet Close899 m away | 31 m² | 52 m² | +21 m² +68% | 2014 |
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| 75, Raleigh Avenue686 m away | 79 m² | 99 m² | +20 m² +25% | 2026 |
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| 32, Raleigh Avenue838 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
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| 17, Shelley Close959 m away | 61 m² | 81 m² | +20 m² +33% | 2025 |
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| 8, Marian Close767 m away | 86 m² | 106 m² | +20 m² +23% | 2024 |
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| 9, Keats Close900 m away | 40 m² | 60 m² | +20 m² +50% | 2024 |
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| 100, Fairholme Crescent903 m away | 79 m² | 99 m² | +20 m² +25% | 2023 |
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| 2, Tithe Barn Way543 m away | 121 m² | 141 m² | +20 m² +17% | 2020 |
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| 32, Shelley Close923 m away | 60 m² | 80 m² | +20 m² +33% | 2019 |
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| 73, Willow Tree Lane757 m away | 65 m² | 85 m² | +20 m² +31% | 2013 |
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| 31, Friar Road840 m away | 83 m² | 102 m² | +19 m² +23% | 2026 |
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| 14, Keir Hardie Way498 m away | 81 m² | 100 m² | +19 m² +23% | 2021 |
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| 36, Tangmere Gardens888 m away | 85 m² | 104 m² | +19 m² +22% | 2021 |
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| 16, Jonson Close920 m away | 67 m² | 86 m² | +19 m² +28% | 2021 |
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| 21, Owen Road236 m away | 64 m² | 83 m² | +19 m² +30% | 2016 |
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| 8, Attlee Road360 m away | 66 m² | 85 m² | +19 m² +29% | 2016 |
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| 152, Hobart Lane694 m away | 77 m² | 95 m² | +18 m² +23% | 2023 |
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| 81, Dehavilland Close821 m away | 48 m² | 66 m² | +18 m² +38% | 2021 |
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| 27, Marian Close767 m away | 120 m² | 138 m² | +18 m² +15% | 2017 |
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| 46, Hobart Road779 m away | 42 m² | 60 m² | +18 m² +43% | 2016 |
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| 182, Hobart Lane694 m away | 79 m² | 97 m² | +18 m² +23% | 2015 |
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| 25, Yeading Court, Masefield Lane314 m away | 29 m² | 47 m² | +18 m² +62% | 2014 |
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| 86, Hobart Close759 m away | 62 m² | 80 m² | +18 m² +29% | 2014 |
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| 352, Yeading Lane385 m away | 54 m² | 72 m² | +18 m² +33% | 2013 |
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| 104, Shakespeare Avenue873 m away | 76 m² | 94 m² | +18 m² +24% | 2010 |
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| 47, Kingshill Avenue259 m away | 62 m² | 79 m² | +17 m² +27% | 2025 |
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| 101, Raleigh Avenue686 m away | 81 m² | 98 m² | +17 m² +21% | 2025 |
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| 6, Poplar Court, Old Ruislip Road926 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
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| 9, Dehavilland Close781 m away | 74 m² | 91 m² | +17 m² +23% | 2023 |
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| 186, Shakespeare Avenue421 m away | 33 m² | 50 m² | +17 m² +52% | 2019 |
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| 21, Paddington Close996 m away | 60 m² | 77 m² | +17 m² +28% | 2016 |
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| 25, Keir Hardie Way498 m away | 58 m² | 75 m² | +17 m² +29% | 2015 |
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| 49, Paddington Close996 m away | 81 m² | 98 m² | +17 m² +21% | 2015 |
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| 30, Hornbeam Road796 m away | 76 m² | 92 m² | +16 m² +21% | 2025 |
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| 39, Selan Gardens937 m away | 67 m² | 83 m² | +16 m² +24% | 2025 |
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| 10, Townson Way714 m away | 98 m² | 114 m² | +16 m² +16% | 2023 |
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| 14, Douglas Crescent677 m away | 62 m² | 78 m² | +16 m² +26% | 2021 |
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| 4, Chatsworth Road106 m away | 53 m² | 69 m² | +16 m² +30% | 2020 |
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| 4, Keats Close900 m away | 47 m² | 63 m² | +16 m² +34% | 2019 |
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| 3, Down Way462 m away | 58 m² | 74 m² | +16 m² +28% | 2018 |
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| 31, Norwood Gardens595 m away | 84 m² | 100 m² | +16 m² +19% | 2016 |
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| 43, Friar Road840 m away | 90 m² | 106 m² | +16 m² +18% | 2015 |
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| 56, Warley Road954 m away | 82 m² | 98 m² | +16 m² +20% | 2015 |
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| 116, Kingshill Avenue439 m away | 83 m² | 98 m² | +15 m² +18% | 2024 |
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| 12, Trevor Close634 m away | 55 m² | 70 m² | +15 m² +27% | 2024 |
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| 37, Lothian Avenue668 m away | 66 m² | 81 m² | +15 m² +23% | 2020 |
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| 12, Bondfield Avenue588 m away | 81 m² | 96 m² | +15 m² +19% | 2017 |
|---|
| 40, Hobart Road779 m away | 45 m² | 60 m² | +15 m² +33% | 2016 |
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| 8, Paddington Close996 m away | 61 m² | 76 m² | +15 m² +25% | 2014 |
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