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 UB1 2NY
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 |
|---|---|---|---|---|
| 52, Ravenor Park Road923 m away | 84 m² | 190 m² | +106 m² +126% | 2021 |
| 346, Ruislip Road379 m away | 96 m² | 192 m² | +96 m² +100% | 2023 |
| 105, Ravenor Park Road923 m away | 72 m² | 167 m² | +95 m² +132% | 2018 |
| 16, Ferrymead Avenue918 m away | 77 m² | 171 m² | +94 m² +122% | 2014 |
| 7, Kenilworth Gardens153 m away | 84 m² | 177 m² | +93 m² +111% | 2026 |
| 44, Lyndhurst Road707 m away | 83 m² | 171 m² | +88 m² +106% | 2015 |
| 27, Marnham Crescent707 m away | 66 m² | 149 m² | +83 m² +126% | 2025 |
| 104, Somerset Road989 m away | 72 m² | 152 m² | +80 m² +111% | 2021 |
| 246, Ferrymead Avenue250 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.
| 84 m² |
| 164 m² |
| +80 m² +95% |
| 2014 |
| 5, Marnham Crescent707 m away | 88 m² | 161 m² | +73 m² +83% | 2024 |
|---|
| 67, Ferrymead Avenue743 m away | 66 m² | 137 m² | +71 m² +108% | 2026 |
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| 95, Millet Road956 m away | 77 m² | 145 m² | +68 m² +88% | 2026 |
|---|
| 18, Evesham Close942 m away | 78 m² | 143 m² | +65 m² +83% | 2023 |
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| 72, Westbury Avenue687 m away | 67 m² | 131 m² | +64 m² +96% | 2017 |
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| 55, Marnham Crescent781 m away | 75 m² | 137 m² | +62 m² +83% | 2026 |
|---|
| 7, Towers Road351 m away | 69 m² | 131 m² | +62 m² +90% | 2018 |
|---|
| 128, Westbury Avenue433 m away | 52 m² | 113 m² | +61 m² +117% | 2021 |
|---|
| 25, Avon Road691 m away | 84 m² | 144 m² | +60 m² +71% | 2019 |
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| 72, Ravenor Park Road923 m away | 62 m² | 121 m² | +59 m² +95% | 2016 |
|---|
| 8, Towney Mead539 m away | 61 m² | 120 m² | +59 m² +97% | 2014 |
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| 26, Bycroft Road730 m away | 65 m² | 122 m² | +57 m² +88% | 2023 |
|---|
| 22, Eastmead Avenue602 m away | 83 m² | 137 m² | +54 m² +65% | 2020 |
|---|
| 2a, Greenway Gardens455 m away | 47 m² | 100 m² | +53 m² +113% | 2023 |
|---|
| 48, Ruislip Road833 m away | 96 m² | 149 m² | +53 m² +55% | 2021 |
|---|
| 411, Ruislip Road928 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 7, Kensington Road185 m away | 90 m² | 141 m² | +51 m² +57% | 2025 |
|---|
| 65, Upper Town Road796 m away | 80 m² | 129 m² | +49 m² +61% | 2017 |
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| 399, Allenby Road489 m away | 84 m² | 132 m² | +48 m² +57% | 2026 |
|---|
| 16, Alexandra Court, 59, Marnham Crescent808 m away | 42 m² | 90 m² | +48 m² +114% | 2012 |
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| 16, Hillside Road350 m away | 64 m² | 111 m² | +47 m² +73% | 2024 |
|---|
| 87, Westbury Avenue582 m away | 71 m² | 118 m² | +47 m² +66% | 2015 |
|---|
| 26, Greenhill Gardens522 m away | 107 m² | 154 m² | +47 m² +44% | 2014 |
|---|
| 150, Rutland Road556 m away | 56 m² | 102 m² | +46 m² +82% | 2026 |
|---|
| 311, Ruislip Road98 m away | 72 m² | 118 m² | +46 m² +64% | 2025 |
|---|
| 20, Towney Mead539 m away | 62 m² | 105 m² | +43 m² +69% | 2014 |
|---|
| 20, Court Mead372 m away | 98 m² | 140 m² | +42 m² +43% | 2024 |
|---|
| 440, Allenby Road366 m away | 67 m² | 109 m² | +42 m² +63% | 2023 |
|---|
| 25, Pembroke Road810 m away | 84 m² | 126 m² | +42 m² +50% | 2023 |
|---|
| 75, Greenford Gardens919 m away | 77 m² | 118 m² | +41 m² +53% | 2026 |
|---|
| 4, Bycroft Road730 m away | 100 m² | 141 m² | +41 m² +41% | 2025 |
|---|
| 11, Marnham Crescent707 m away | 63 m² | 104 m² | +41 m² +65% | 2022 |
|---|
| 37, Upper Town Road796 m away | 80 m² | 121 m² | +41 m² +51% | 2022 |
|---|
| 4, Chipmunk Grove970 m away | 71 m² | 112 m² | +41 m² +58% | 2014 |
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| 22, Neal Avenue285 m away | 35 m² | 75 m² | +40 m² +114% | 2024 |
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| 60, Shadwell Drive373 m away | 103 m² | 143 m² | +40 m² +39% | 2024 |
|---|
| 56, Braund Avenue635 m away | 96 m² | 135 m² | +39 m² +41% | 2025 |
|---|
| 2, Kensington Road185 m away | 84 m² | 123 m² | +39 m² +46% | 2023 |
|---|
| 5, Allenby Close430 m away | 85 m² | 124 m² | +39 m² +46% | 2016 |
|---|
| 2, Hillside Road350 m away | 80 m² | 119 m² | +39 m² +49% | 2015 |
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| 76, Elm Tree Close360 m away | 83 m² | 121 m² | +38 m² +46% | 2023 |
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| 5, Sunnycroft Road813 m away | 73 m² | 110 m² | +37 m² +51% | 2023 |
|---|
| 252, Allenby Road917 m away | 28 m² | 65 m² | +37 m² +132% | 2014 |
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| 32, Horse Shoe Crescent676 m away | 73 m² | 109 m² | +36 m² +49% | 2025 |
|---|
| 53, Farrier Road700 m away | 79 m² | 115 m² | +36 m² +46% | 2012 |
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| Flat 27, Harborough House, Taywood Road327 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 9, Greenway Gardens455 m away | 97 m² | 132 m² | +35 m² +36% | 2021 |
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| 37, Grantham House, Taywood Road283 m away | 56 m² | 91 m² | +35 m² +63% | 2012 |
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| 45, Greenway Gardens471 m away | 63 m² | 97 m² | +34 m² +54% | 2021 |
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| 17, Swallow Drive633 m away | 25 m² | 59 m² | +34 m² +136% | 2021 |
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| 20, Shadwell Drive505 m away | 114 m² | 147 m² | +33 m² +29% | 2025 |
|---|
| 143, Byron Way881 m away | 35 m² | 68 m² | +33 m² +94% | 2021 |
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| 140, Byron Way881 m away | 45 m² | 78 m² | +33 m² +73% | 2020 |
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| 35, Lawson Road465 m away | 52 m² | 85 m² | +33 m² +63% | 2018 |
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| 17, Stickleton Close686 m away | 37 m² | 69 m² | +32 m² +86% | 2023 |
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| 94, Eastmead Avenue696 m away | 56 m² | 88 m² | +32 m² +57% | 2022 |
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| 10, Upper Town Road780 m away | 83 m² | 115 m² | +32 m² +39% | 2018 |
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| 44, Braund Avenue635 m away | 88 m² | 119 m² | +31 m² +35% | 2021 |
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| 78, Frensham Close310 m away | 50 m² | 81 m² | +31 m² +62% | 2019 |
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| 78, Braund Avenue686 m away | 79 m² | 109 m² | +30 m² +38% | 2026 |
|---|
| 57, Crossmead Avenue535 m away | 75 m² | 105 m² | +30 m² +40% | 2023 |
|---|
| 18, Upper Town Road780 m away | 77 m² | 107 m² | +30 m² +39% | 2022 |
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| 25, Crossmead Avenue535 m away | 100 m² | 130 m² | +30 m² +30% | 2020 |
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| 16, Millet Road802 m away | 33 m² | 63 m² | +30 m² +91% | 2018 |
|---|
| 222a, Allenby Road917 m away | 96 m² | 126 m² | +30 m² +31% | 2015 |
|---|
| 2, Mornington Road924 m away | 101 m² | 130 m² | +29 m² +29% | 2022 |
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| 26, Marnham Crescent707 m away | 63 m² | 92 m² | +29 m² +46% | 2021 |
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| 15, Millet Road802 m away | 80 m² | 108 m² | +28 m² +35% | 2025 |
|---|
| 7, Crossmead Avenue384 m away | 83 m² | 111 m² | +28 m² +34% | 2024 |
|---|
| 7, Hillside Road350 m away | 64 m² | 92 m² | +28 m² +44% | 2013 |
|---|
| 15, Braund Avenue548 m away | 77 m² | 104 m² | +27 m² +35% | 2025 |
|---|
| 5, Chirk Close882 m away | 140 m² | 167 m² | +27 m² +19% | 2022 |
|---|
| 123, Ferrymead Avenue631 m away | 82 m² | 108 m² | +26 m² +32% | 2026 |
|---|
| 43, Verulam Road484 m away | 88 m² | 114 m² | +26 m² +30% | 2023 |
|---|
| 55, Rutland Road846 m away | 61 m² | 87 m² | +26 m² +43% | 2018 |
|---|
| 93, Byron Way976 m away | 33 m² | 59 m² | +26 m² +79% | 2016 |
|---|
| 10, Byron Way890 m away | 45 m² | 71 m² | +26 m² +58% | 2015 |
|---|
| 67, Aspen Lane773 m away | 94 m² | 119 m² | +25 m² +27% | 2026 |
|---|
| 234a, Ruislip Road216 m away | 91 m² | 116 m² | +25 m² +27% | 2025 |
|---|
| 1, Maple Grove709 m away | 68 m² | 93 m² | +25 m² +37% | 2025 |
|---|
| 21, Braunston Drive915 m away | 81 m² | 106 m² | +25 m² +31% | 2025 |
|---|
| 29, Rutland Road966 m away | 77 m² | 102 m² | +25 m² +32% | 2025 |
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| 13, Highview, Byron Way831 m away | 33 m² | 58 m² | +25 m² +76% | 2023 |
|---|
| 32, Millet Road802 m away | 66 m² | 91 m² | +25 m² +38% | 2021 |
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| 34, Coraline Close225 m away | 52 m² | 77 m² | +25 m² +48% | 2019 |
|---|
| 6, Montgolfier Walk987 m away | 78 m² | 103 m² | +25 m² +32% | 2014 |
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| 9, Laburnum Grove589 m away | 78 m² | 102 m² | +24 m² +31% | 2025 |
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| 439, Lady Margaret Road493 m away | 107 m² | 131 m² | +24 m² +22% | 2024 |
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| 126, Rutland Road556 m away | 53 m² | 77 m² | +24 m² +45% | 2024 |
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| 16, Sunnycroft Road813 m away | 87 m² | 111 m² | +24 m² +28% | 2024 |
|---|
| 19, Adrienne Avenue210 m away | 75 m² | 99 m² | +24 m² +32% | 2021 |
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| Flat 39, Harborough House, Taywood Road327 m away | 39 m² | 63 m² | +24 m² +62% | 2019 |
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| 308, Allenby Road698 m away | 85 m² | 109 m² | +24 m² +28% | 2016 |
|---|
| 8a, Waterside Close269 m away | 48 m² | 72 m² | +24 m² +50% | 2014 |
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| 16, Arrowscout Walk968 m away | 92 m² | 116 m² | +24 m² +26% | 2014 |
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| 63, Farrier Road700 m away | 94 m² | 118 m² | +24 m² +26% | 2013 |
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| 50, Hazeltree Lane663 m away | 84 m² | 107 m² | +23 m² +27% | 2025 |
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| 396, Lady Margaret Road556 m away | 127 m² | 150 m² | +23 m² +18% | 2022 |
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| 4, Frensham Close314 m away | 34 m² | 57 m² | +23 m² +68% | 2021 |
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| 31, Frensham Close346 m away | 56 m² | 79 m² | +23 m² +41% | 2020 |
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| 427, Lady Margaret Road493 m away | 146 m² | 169 m² | +23 m² +16% | 2017 |
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| Flat 1, Allendale, Kensington Road824 m away | 71 m² | 94 m² | +23 m² +32% | 2017 |
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| 102, Rutland Road674 m away | 22 m² | 45 m² | +23 m² +105% | 2014 |
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| 103, Union Road676 m away | 54 m² | 77 m² | +23 m² +43% | 2014 |
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| 80, Hazelmere Road717 m away | 85 m² | 108 m² | +23 m² +27% | 2014 |
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| 17, Rosedene Avenue272 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 175, Westbury Avenue433 m away | 76 m² | 98 m² | +22 m² +29% | 2024 |
|---|
| 238, Allenby Road917 m away | 78 m² | 100 m² | +22 m² +28% | 2021 |
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| 70, Millet Road956 m away | 64 m² | 86 m² | +22 m² +34% | 2016 |
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| 24, Avon Road764 m away | 70 m² | 92 m² | +22 m² +31% | 2013 |
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| 5, Hart Grove922 m away | 63 m² | 85 m² | +22 m² +35% | 2013 |
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| 266, Allenby Road698 m away | 95 m² | 116 m² | +21 m² +22% | 2024 |
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| 2, Aspen Lane764 m away | 75 m² | 96 m² | +21 m² +28% | 2024 |
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| 78, Hazelmere Road717 m away | 66 m² | 87 m² | +21 m² +32% | 2023 |
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| 4, Cressage Close404 m away | 63 m² | 84 m² | +21 m² +33% | 2020 |
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| 2, Home Close439 m away | 85 m² | 106 m² | +21 m² +25% | 2019 |
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| 127, Ferrymead Avenue631 m away | 79 m² | 100 m² | +21 m² +27% | 2018 |
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| 206, Rectory Park Avenue615 m away | 85 m² | 106 m² | +21 m² +25% | 2017 |
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| 28, Hillside Road350 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
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| 27, Hazeltree Lane663 m away | 78 m² | 98 m² | +20 m² +26% | 2026 |
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| 29, Eastmead Avenue602 m away | 57 m² | 77 m² | +20 m² +35% | 2025 |
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| 23, Blisworth Close800 m away | 59 m² | 79 m² | +20 m² +34% | 2025 |
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| 17, Enmore Road368 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
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| 15b, Greenhill Gardens551 m away | 88 m² | 108 m² | +20 m² +23% | 2020 |
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| 9, Maple Grove709 m away | 83 m² | 103 m² | +20 m² +24% | 2014 |
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| 67, Ascot Gardens849 m away | 61 m² | 80 m² | +19 m² +31% | 2026 |
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| 133, Ascot Gardens634 m away | 53 m² | 72 m² | +19 m² +36% | 2025 |
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| 13, Hazeltree Lane663 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
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| 60, Beechwood Avenue599 m away | 86 m² | 105 m² | +19 m² +22% | 2022 |
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| 34, Sunnycroft Road813 m away | 71 m² | 90 m² | +19 m² +27% | 2022 |
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| 3, Hermes Walk524 m away | 78 m² | 97 m² | +19 m² +24% | 2019 |
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| 1, Sunnycroft Road813 m away | 86 m² | 105 m² | +19 m² +22% | 2016 |
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| 96, Somerset Road989 m away | 99 m² | 117 m² | +18 m² +18% | 2025 |
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| 86, Rutland Road674 m away | 61 m² | 79 m² | +18 m² +30% | 2023 |
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| 20, Garrick Road920 m away | 98 m² | 116 m² | +18 m² +18% | 2019 |
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| 32a, Eastmead Avenue602 m away | 60 m² | 78 m² | +18 m² +30% | 2016 |
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| 32, Eastmead Avenue602 m away | 67 m² | 85 m² | +18 m² +27% | 2016 |
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| 120, Hazelmere Walk763 m away | 99 m² | 117 m² | +18 m² +18% | 2015 |
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| 56, Elm Tree Close481 m away | 91 m² | 109 m² | +18 m² +20% | 2014 |
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| 10, Towney Mead539 m away | 85 m² | 103 m² | +18 m² +21% | 2014 |
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| 5, Garrick Road920 m away | 75 m² | 93 m² | +18 m² +24% | 2013 |
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| 2, Selby Gardens583 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
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| 5, Braund Avenue548 m away | 80 m² | 97 m² | +17 m² +21% | 2024 |
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| 94, Ruislip Road601 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 34, Byron Way944 m away | 46 m² | 63 m² | +17 m² +37% | 2022 |
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| 8, Hermes Walk524 m away | 84 m² | 101 m² | +17 m² +20% | 2019 |
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| 21, Brazier Crescent587 m away | 57 m² | 74 m² | +17 m² +30% | 2018 |
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| 424, Lady Margaret Road409 m away | 87 m² | 104 m² | +17 m² +20% | 2015 |
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| 77, Kensington Road487 m away | 106 m² | 123 m² | +17 m² +16% | 2015 |
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| 72, Rectory Park Avenue550 m away | 55 m² | 72 m² | +17 m² +31% | 2014 |
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| 77, Aspen Lane710 m away | 100 m² | 117 m² | +17 m² +17% | 2014 |
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| 32, Braunston Drive915 m away | 59 m² | 76 m² | +17 m² +29% | 2014 |
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| 32, Devonshire Road737 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
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| 15, Rosedene Avenue272 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
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| 52, Shadwell Drive373 m away | 86 m² | 102 m² | +16 m² +19% | 2023 |
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| 2, Union Road580 m away | 69 m² | 85 m² | +16 m² +23% | 2023 |
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| 187, Somerset Road969 m away | 67 m² | 83 m² | +16 m² +24% | 2023 |
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| 334, Allenby Road520 m away | 62 m² | 78 m² | +16 m² +26% | 2022 |
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| 11, Devonshire Road737 m away | 48 m² | 64 m² | +16 m² +33% | 2019 |
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| 123, Hazelmere Walk763 m away | 88 m² | 104 m² | +16 m² +18% | 2014 |
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| 56, Westbury Avenue687 m away | 44 m² | 59 m² | +15 m² +34% | 2026 |
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| 19, Maple Grove709 m away | 89 m² | 104 m² | +15 m² +17% | 2026 |
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| 134, Ferrymead Avenue631 m away | 70 m² | 85 m² | +15 m² +21% | 2023 |
|---|
| 45, Kensington Road365 m away | 74 m² | 89 m² | +15 m² +20% | 2021 |
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| 176, Ferrymead Avenue503 m away | 83 m² | 98 m² | +15 m² +18% | 2018 |
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| 31, Stickleton Close686 m away | 48 m² | 63 m² | +15 m² +31% | 2014 |
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| 19, Chesterton Close861 m away | 86 m² | 101 m² | +15 m² +17% | 2014 |
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| 92, Union Road628 m away | 48 m² | 63 m² | +15 m² +31% | 2013 |
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