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 UB5 6TN
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 |
|---|---|---|---|---|
| 346, Ruislip Road623 m away | 96 m² | 192 m² | +96 m² +100% | 2023 |
| 16, Ferrymead Avenue817 m away | 77 m² | 171 m² | +94 m² +122% | 2014 |
| 7, Kenilworth Gardens708 m away | 84 m² | 177 m² | +93 m² +111% | 2026 |
| 44, Lyndhurst Road996 m away | 83 m² | 171 m² | +88 m² +106% | 2015 |
| 68, Lilliput Avenue662 m away | 73 m² | 160 m² | +87 m² +119% | 2025 |
| 27, Marnham Crescent739 m away | 66 m² | 149 m² | +83 m² +126% | 2025 |
| 25, Harewood Avenue965 m away | 59 m² | 142 m² | +83 m² +141% | 2020 |
| 246, Ferrymead Avenue387 m away | 84 m² | 164 m² | +80 m² +95% | 2014 |
| 2, Fort Road799 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.
| 98 m² |
| 177 m² |
| +79 m² +81% |
| 2024 |
| 26, Fort Road799 m away | 124 m² | 203 m² | +79 m² +64% | 2020 |
|---|
| 39, Harewood Avenue965 m away | 67 m² | 145 m² | +78 m² +116% | 2021 |
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| 27, Lilliput Avenue707 m away | 84 m² | 160 m² | +76 m² +90% | 2025 |
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| 5, Marnham Crescent739 m away | 88 m² | 161 m² | +73 m² +83% | 2024 |
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| 67, Ferrymead Avenue572 m away | 66 m² | 137 m² | +71 m² +108% | 2026 |
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| 95, Millet Road774 m away | 77 m² | 145 m² | +68 m² +88% | 2026 |
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| 72, Chinnor Crescent864 m away | 79 m² | 145 m² | +66 m² +84% | 2024 |
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| 18, Evesham Close607 m away | 78 m² | 143 m² | +65 m² +83% | 2023 |
|---|
| 55, Marnham Crescent723 m away | 75 m² | 137 m² | +62 m² +83% | 2026 |
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| 7, Towers Road856 m away | 69 m² | 131 m² | +62 m² +90% | 2018 |
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| 8, Towney Mead538 m away | 61 m² | 120 m² | +59 m² +97% | 2014 |
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| 117, Millet Road745 m away | 165 m² | 224 m² | +59 m² +36% | 2014 |
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| 40, Fort Road799 m away | 86 m² | 144 m² | +58 m² +67% | 2025 |
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| 9, Eskdale Avenue682 m away | 82 m² | 137 m² | +55 m² +67% | 2026 |
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| 7, Jacqueline Close789 m away | 86 m² | 140 m² | +54 m² +63% | 2020 |
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| 22, Eastmead Avenue808 m away | 83 m² | 137 m² | +54 m² +65% | 2020 |
|---|
| 2a, Greenway Gardens646 m away | 47 m² | 100 m² | +53 m² +113% | 2023 |
|---|
| 39, Garden Close978 m away | 67 m² | 119 m² | +52 m² +78% | 2021 |
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| 7, Kensington Road424 m away | 90 m² | 141 m² | +51 m² +57% | 2025 |
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| 197, Church Road842 m away | 81 m² | 131 m² | +50 m² +62% | 2020 |
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| 16, Alexandra Court, 59, Marnham Crescent641 m away | 42 m² | 90 m² | +48 m² +114% | 2012 |
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| 16, Hillside Road938 m away | 64 m² | 111 m² | +47 m² +73% | 2024 |
|---|
| 26, Greenhill Gardens447 m away | 107 m² | 154 m² | +47 m² +44% | 2014 |
|---|
| 311, Ruislip Road550 m away | 72 m² | 118 m² | +46 m² +64% | 2025 |
|---|
| 18, Canford Avenue744 m away | 57 m² | 101 m² | +44 m² +77% | 2013 |
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| 20, Towney Mead538 m away | 62 m² | 105 m² | +43 m² +69% | 2014 |
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| 20, Court Mead569 m away | 98 m² | 140 m² | +42 m² +43% | 2024 |
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| 440, Allenby Road733 m away | 67 m² | 109 m² | +42 m² +63% | 2023 |
|---|
| 75, Greenford Gardens904 m away | 77 m² | 118 m² | +41 m² +53% | 2026 |
|---|
| 53, Court Farm Road927 m away | 49 m² | 90 m² | +41 m² +84% | 2024 |
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| 11, Marnham Crescent739 m away | 63 m² | 104 m² | +41 m² +65% | 2022 |
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| 21, Lytton Close977 m away | 80 m² | 121 m² | +41 m² +51% | 2021 |
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| 60, Shadwell Drive447 m away | 103 m² | 143 m² | +40 m² +39% | 2024 |
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| 22, Neal Avenue858 m away | 35 m² | 75 m² | +40 m² +114% | 2024 |
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| 17, Eskdale Avenue682 m away | 77 m² | 117 m² | +40 m² +52% | 2021 |
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| 25, Lilliput Avenue707 m away | 44 m² | 84 m² | +40 m² +91% | 2016 |
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| 14, Mowbray Gardens558 m away | 97 m² | 136 m² | +39 m² +40% | 2025 |
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| 2, Kensington Road424 m away | 84 m² | 123 m² | +39 m² +46% | 2023 |
|---|
| 109, Church Road817 m away | 93 m² | 132 m² | +39 m² +42% | 2022 |
|---|
| 5, Allenby Close758 m away | 85 m² | 124 m² | +39 m² +46% | 2016 |
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| 2, Hillside Road938 m away | 80 m² | 119 m² | +39 m² +49% | 2015 |
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| 76, Elm Tree Close315 m away | 83 m² | 121 m² | +38 m² +46% | 2023 |
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| 32, Horse Shoe Crescent96 m away | 73 m² | 109 m² | +36 m² +49% | 2025 |
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| 348, Church Road995 m away | 87 m² | 123 m² | +36 m² +41% | 2024 |
|---|
| Flat 8, Beech Court, Lilliput Avenue728 m away | 40 m² | 76 m² | +36 m² +90% | 2015 |
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| 53, Farrier Road199 m away | 79 m² | 115 m² | +36 m² +46% | 2012 |
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| Flat 27, Harborough House, Taywood Road788 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
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| 9, Greenway Gardens646 m away | 97 m² | 132 m² | +35 m² +36% | 2021 |
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| 37, Grantham House, Taywood Road694 m away | 56 m² | 91 m² | +35 m² +63% | 2012 |
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| 17, Swallow Drive121 m away | 25 m² | 59 m² | +34 m² +136% | 2021 |
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| 45, Greenway Gardens455 m away | 63 m² | 97 m² | +34 m² +54% | 2021 |
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| 20, Shadwell Drive660 m away | 114 m² | 147 m² | +33 m² +29% | 2025 |
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| 26, Kingston Close736 m away | 82 m² | 115 m² | +33 m² +40% | 2020 |
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| 74, Lilliput Avenue662 m away | 68 m² | 100 m² | +32 m² +47% | 2026 |
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| 17, Stickleton Close934 m away | 37 m² | 69 m² | +32 m² +86% | 2023 |
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| 94, Eastmead Avenue652 m away | 56 m² | 88 m² | +32 m² +57% | 2022 |
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| 78, Frensham Close835 m away | 50 m² | 81 m² | +31 m² +62% | 2019 |
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| 57, Crossmead Avenue601 m away | 75 m² | 105 m² | +30 m² +40% | 2023 |
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| 25, Crossmead Avenue601 m away | 100 m² | 130 m² | +30 m² +30% | 2020 |
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| 16, Millet Road832 m away | 33 m² | 63 m² | +30 m² +91% | 2018 |
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| 26, Marnham Crescent739 m away | 63 m² | 92 m² | +29 m² +46% | 2021 |
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| 15, Millet Road832 m away | 80 m² | 108 m² | +28 m² +35% | 2025 |
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| 7, Crossmead Avenue492 m away | 83 m² | 111 m² | +28 m² +34% | 2024 |
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| 21, Rectory Gardens628 m away | 95 m² | 123 m² | +28 m² +29% | 2022 |
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| 7, Hillside Road938 m away | 64 m² | 92 m² | +28 m² +44% | 2013 |
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| 98, Church Road865 m away | 31 m² | 58 m² | +27 m² +87% | 2025 |
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| 15, Braund Avenue954 m away | 77 m² | 104 m² | +27 m² +35% | 2025 |
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| 123, Ferrymead Avenue418 m away | 82 m² | 108 m² | +26 m² +32% | 2026 |
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| 95, Olympic Way874 m away | 100 m² | 126 m² | +26 m² +26% | 2025 |
|---|
| 43, Verulam Road935 m away | 88 m² | 114 m² | +26 m² +30% | 2023 |
|---|
| 234a, Ruislip Road521 m away | 91 m² | 116 m² | +25 m² +27% | 2025 |
|---|
| 32, Millet Road832 m away | 66 m² | 91 m² | +25 m² +38% | 2021 |
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| 14a, Mandeville Road912 m away | 61 m² | 86 m² | +25 m² +41% | 2021 |
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| 34, Coraline Close725 m away | 52 m² | 77 m² | +25 m² +48% | 2019 |
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| 18, West Ridge Gardens954 m away | 80 m² | 104 m² | +24 m² +30% | 2025 |
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| 19, Adrienne Avenue754 m away | 75 m² | 99 m² | +24 m² +32% | 2021 |
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| 16, Summit Road919 m away | 44 m² | 68 m² | +24 m² +55% | 2020 |
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| Flat 39, Harborough House, Taywood Road788 m away | 39 m² | 63 m² | +24 m² +62% | 2019 |
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| 8a, Waterside Close411 m away | 48 m² | 72 m² | +24 m² +50% | 2014 |
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| 63, Farrier Road199 m away | 94 m² | 118 m² | +24 m² +26% | 2013 |
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| 50, Hazeltree Lane955 m away | 84 m² | 107 m² | +23 m² +27% | 2025 |
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| 4, Frensham Close857 m away | 34 m² | 57 m² | +23 m² +68% | 2021 |
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| 31, Frensham Close867 m away | 56 m² | 79 m² | +23 m² +41% | 2020 |
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| Flat 1, Allendale, Kensington Road237 m away | 71 m² | 94 m² | +23 m² +32% | 2017 |
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| 103, Union Road260 m away | 54 m² | 77 m² | +23 m² +43% | 2014 |
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| 80, Hazelmere Road337 m away | 85 m² | 108 m² | +23 m² +27% | 2014 |
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| 17, Rosedene Avenue469 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 47, Harewood Avenue940 m away | 102 m² | 124 m² | +22 m² +22% | 2020 |
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| 18, Kingsmead Drive983 m away | 49 m² | 71 m² | +22 m² +45% | 2020 |
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| 70, Millet Road774 m away | 64 m² | 86 m² | +22 m² +34% | 2016 |
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| 15, Hawthorn Farm Avenue825 m away | 89 m² | 110 m² | +21 m² +24% | 2026 |
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| 78, Hazelmere Road337 m away | 66 m² | 87 m² | +21 m² +32% | 2023 |
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| 22, Court Farm Road927 m away | 86 m² | 107 m² | +21 m² +24% | 2021 |
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| 4, Cressage Close993 m away | 63 m² | 84 m² | +21 m² +33% | 2020 |
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| 2, Home Close608 m away | 85 m² | 106 m² | +21 m² +25% | 2019 |
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| 127, Ferrymead Avenue418 m away | 79 m² | 100 m² | +21 m² +27% | 2018 |
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| 206, Rectory Park Avenue598 m away | 85 m² | 106 m² | +21 m² +25% | 2017 |
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| 27, Clifford Close916 m away | 88 m² | 109 m² | +21 m² +24% | 2017 |
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| 28, Hillside Road938 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
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| 48, Nicholas Close835 m away | 20 m² | 41 m² | +21 m² +105% | 2014 |
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| 27, Hazeltree Lane955 m away | 78 m² | 98 m² | +20 m² +26% | 2026 |
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| 29, Eastmead Avenue808 m away | 57 m² | 77 m² | +20 m² +35% | 2025 |
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| 274, Church Road896 m away | 57 m² | 77 m² | +20 m² +35% | 2024 |
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| 34, Summit Road919 m away | 110 m² | 130 m² | +20 m² +18% | 2024 |
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| 17, Enmore Road895 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
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| 15b, Greenhill Gardens437 m away | 88 m² | 108 m² | +20 m² +23% | 2020 |
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| 13, Hazeltree Lane955 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
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| 60, Beechwood Avenue520 m away | 86 m² | 105 m² | +19 m² +22% | 2022 |
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| 3, Hermes Walk87 m away | 78 m² | 97 m² | +19 m² +24% | 2019 |
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| 167, Makepeace Road884 m away | 38 m² | 57 m² | +19 m² +50% | 2015 |
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| 35, Clifford Close916 m away | 86 m² | 105 m² | +19 m² +22% | 2013 |
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| 43, Olympic Way874 m away | 49 m² | 67 m² | +18 m² +37% | 2026 |
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| 32a, Eastmead Avenue808 m away | 60 m² | 78 m² | +18 m² +30% | 2016 |
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| 32, Eastmead Avenue808 m away | 67 m² | 85 m² | +18 m² +27% | 2016 |
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| 120, Hazelmere Walk329 m away | 99 m² | 117 m² | +18 m² +18% | 2015 |
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| 56, Elm Tree Close229 m away | 91 m² | 109 m² | +18 m² +20% | 2014 |
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| 10, Towney Mead538 m away | 85 m² | 103 m² | +18 m² +21% | 2014 |
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| 30, Rectory Gardens628 m away | 89 m² | 107 m² | +18 m² +20% | 2014 |
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| 11, Eastcote Lane939 m away | 62 m² | 79 m² | +17 m² +27% | 2025 |
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| 5, Braund Avenue954 m away | 80 m² | 97 m² | +17 m² +21% | 2024 |
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| 94, Ruislip Road925 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 16, Kingsmead Drive983 m away | 50 m² | 67 m² | +17 m² +34% | 2020 |
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| 8, Hermes Walk87 m away | 84 m² | 101 m² | +17 m² +20% | 2019 |
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| 77, Kensington Road161 m away | 106 m² | 123 m² | +17 m² +16% | 2015 |
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| 424, Lady Margaret Road999 m away | 87 m² | 104 m² | +17 m² +20% | 2015 |
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| 72, Rectory Park Avenue711 m away | 55 m² | 72 m² | +17 m² +31% | 2014 |
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| 89, Makepeace Road878 m away | 57 m² | 74 m² | +17 m² +30% | 2014 |
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| 21, Clifford Close916 m away | 92 m² | 109 m² | +17 m² +18% | 2013 |
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| Dale Court, Church Avenue867 m away | 45 m² | 62 m² | +17 m² +38% | 2012 |
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| 2, Union Road173 m away | 69 m² | 85 m² | +16 m² +23% | 2023 |
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| 52, Shadwell Drive447 m away | 86 m² | 102 m² | +16 m² +19% | 2023 |
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| 15, Rosedene Avenue469 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
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| 14, Huxley Close817 m away | 32 m² | 48 m² | +16 m² +50% | 2016 |
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| 117, Makepeace Road884 m away | 39 m² | 55 m² | +16 m² +41% | 2016 |
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| 97, Millet Road813 m away | 68 m² | 84 m² | +16 m² +24% | 2015 |
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| 123, Hazelmere Walk329 m away | 88 m² | 104 m² | +16 m² +18% | 2014 |
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| 132, Lilliput Avenue765 m away | 47 m² | 62 m² | +15 m² +32% | 2024 |
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| 134, Ferrymead Avenue418 m away | 70 m² | 85 m² | +15 m² +21% | 2023 |
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| 32, Clifford Close916 m away | 99 m² | 114 m² | +15 m² +15% | 2023 |
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| 45, Kensington Road250 m away | 74 m² | 89 m² | +15 m² +20% | 2021 |
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| 176, Ferrymead Avenue332 m away | 83 m² | 98 m² | +15 m² +18% | 2018 |
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| 123, Makepeace Road884 m away | 40 m² | 55 m² | +15 m² +38% | 2016 |
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| Flat 12, Beech Court, Lilliput Avenue728 m away | 33 m² | 48 m² | +15 m² +45% | 2015 |
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| 19, Chesterton Close551 m away | 86 m² | 101 m² | +15 m² +17% | 2014 |
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| 31, Stickleton Close934 m away | 48 m² | 63 m² | +15 m² +31% | 2014 |
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| 92, Union Road265 m away | 48 m² | 63 m² | +15 m² +31% | 2013 |
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