Finding extended homes…
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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 OX11 6JJ
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, Wintergreen Close711 m away | 64 m² | 117 m² | +53 m² +83% | 2017 |
| 75, Park Road977 m away | 108 m² | 155 m² | +47 m² +44% | 2023 |
| 21, Reed Street760 m away | 81 m² | 126 m² | +45 m² +56% | 2018 |
| 85, Portway675 m away | 53 m² | 96 m² | +43 m² +81% | 2021 |
| 7, Wintergreen Close711 m away | 64 m² | 107 m² | +43 m² +67% | 2018 |
| 9, Wintergreen Close711 m away | 64 m² | 107 m² | +43 m² +67% | 2018 |
| 23, Portway738 m away | 74 m² | 116 m² | +42 m² +57% | 2015 |
| 27, Norreys Road925 m away | 92 m² | 133 m² | +41 m² +45% | 2025 |
| 5, Wintergreen Close711 m away | 66 m² | 107 m² | +41 m² +62% | 2018 |
| 7, Reed Street760 m away | 66 m² | 107 m² | +41 m² +62% | 2017 |
| 25, Norreys Road925 m away | 92 m² | 131 m² | +39 m² +42% | 2025 |
| 100, Park Road903 m away | 89 m² | 127 m² | +38 m² +43% | 2026 |
| 52, Loyd Road910 m away | 98 m² | 135 m² | +37 m² +38% | 2015 |
| 77, Cherry Tree Road975 m away | 79 m² | 115 m² | +36 m² +46% | 2026 |
| 17, Norreys Road925 m away | 81 m² | 113 m² | +32 m² +40% | 2025 |
| 26, Marjoram Way351 m away | 79 m² | 109 m² | +30 m² +38% | 2019 |
| 29, Barleyfields927 m away | 131 m² | 160 m² | +29 m² +22% | 2025 |
| 3, Reed Street760 m away | 64 m² | 93 m² | +29 m² +45% | 2017 |
| 5, Reed Street760 m away | 65 m² | 93 m² | +28 m² +43% | 2017 |
| 19, Reed Street760 m away | 81 m² | 107 m² | +26 m² +32% | 2018 |
| 25, Reed Street760 m away | 81 m² | 107 m² | +26 m² +32% | 2018 |
| 3, Wintergreen Close711 m away | 64 m² | 86 m² | +22 m² +34% | 2018 |
| 11, Norreys Road925 m away | 93 m² | 114 m² | +21 m² +23% | 2017 |
| 23, Reed Street760 m away | 87 m² | 107 m² | +20 m² +23% | 2018 |
| 6, Rutherford Place964 m away | 104 m² | 124 m² | +20 m² +19% | 2018 |
| 14, Norreys Close954 m away | 99 m² | 119 m² | +20 m² +20% | 2016 |
| 59, Portway675 m away | 59 m² | 78 m² | +19 m² +32% | 2025 |
| 19, Portway738 m away | 58 m² | 77 m² | +19 m² +33% | 2015 |
| 85, Park Road977 m away | 118 m² | 136 m² | +18 m² +15% | 2020 |
| 4, Meadow Way810 m away | 66 m² | 83 m² | +17 m² +26% | 2017 |
| 6, Honeysuckle Way764 m away | 64 m² | 80 m² | +16 m² +25% | 2018 |
| 9, Portway738 m away | 77 m² | 93 m² | +16 m² +21% | 2014 |
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.