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 WA11 0GQ
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, Birdcage Cottage, Church Road876 m away | 135 m² | 254 m² | +119 m² +88% | 2016 |
| 8, Cavan Drive746 m away | 59 m² | 128 m² | +69 m² +117% | 2012 |
| 14, Quayle Close571 m away | 73 m² | 135 m² | +62 m² +85% | 2015 |
| 14, Windermere Road939 m away | 85 m² | 130 m² | +45 m² +53% | 2016 |
| 34, Darent Road750 m away | 89 m² | 130 m² | +41 m² +46% | 2022 |
| 10, Dovecote Drive514 m away | 88 m² | 128 m² | +40 m² +45% | 2015 |
| 9, Wendover Close602 m away | 75 m² | 113 m² | +38 m² +51% | 2025 |
| 31, Willow Road772 m away | 84 m² | 121 m² | +37 m² +44% | 2015 |
| 20, Pimblett Road924 m away | 80 m² | 117 m² | +37 m² +46% | 2014 |
| 463, Clipsley Lane52 m away | 102 m² | 137 m² | +35 m² +34% | 2025 |
| 141, Station Road141 m away | 72 m² | 106 m² | +34 m² +47% | 2016 |
| 387, Clipsley Lane246 m away | 94 m² | 126 m² | +32 m² +34% | 2016 |
| 30, Grange Valley136 m away | 71 m² | 102 m² | +31 m² +44% | 2017 |
| 10, Cavan Drive746 m away | 113 m² | 142 m² | +29 m² +26% | 2022 |
| 2a, Shaw Street659 m away | 36 m² | 64 m² | +28 m² +78% | 2024 |
| 20, Dovecote Drive514 m away | 82 m² | 109 m² | +27 m² +33% | 2015 |
| 81, Grange Valley354 m away | 84 m² | 109 m² | +25 m² +30% | 2017 |
| 36, The Rides0 m away | 36 m² | 60 m² | +24 m² +67% | 2018 |
| 8, Dovecote Drive514 m away | 99 m² | 122 m² | +23 m² +23% | 2015 |
| 131, Clipsley Lane960 m away | 61 m² | 84 m² | +23 m² +38% | 2014 |
| 41, Springfield Park838 m away | 126 m² | 148 m² | +22 m² +17% | 2026 |
| 74, Lyme Street559 m away | 83 m² | 105 m² | +22 m² +27% | 2025 |
| 21, Teesdale Road654 m away | 49 m² | 70 m² | +21 m² +43% | 2016 |
| 259, Church Road963 m away | 88 m² | 109 m² | +21 m² +24% | 2014 |
| 22, Dovecote Drive514 m away | 97 m² | 117 m² | +20 m² +21% | 2026 |
| 2, Windermere Road939 m away | 65 m² | 85 m² | +20 m² +31% | 2026 |
| 17, Birch Road760 m away | 53 m² | 73 m² | +20 m² +38% | 2014 |
| 12, Avery Square698 m away | 124 m² | 143 m² | +19 m² +15% | 2026 |
| 11, Willow Road772 m away | 81 m² | 99 m² | +18 m² +22% | 2021 |
| 16, Brookside Way921 m away | 76 m² | 93 m² | +17 m² +22% | 2025 |
| 14, Richmond Avenue963 m away | 72 m² | 89 m² | +17 m² +24% | 2020 |
| 39, Oakthorn Grove184 m away | 69 m² | 86 m² | +17 m² +25% | 2019 |
| 1, Chisledon Close699 m away | 82 m² | 99 m² | +17 m² +21% | 2013 |
| 14, Heyeswood, Heyes Avenue150 m away | 50 m² | 67 m² | +17 m² +34% | 2012 |
| 43, Whiteside Road784 m away | 82 m² | 98 m² | +16 m² +20% | 2025 |
| 23, Richmond Avenue963 m away | 92 m² | 108 m² | +16 m² +17% | 2021 |
| 5, Canon Wilson Close268 m away | 77 m² | 93 m² | +16 m² +21% | 2013 |
| 14, Wendover Close602 m away | 82 m² | 97 m² | +15 m² +18% | 2022 |
| 31, Nathan Drive816 m away | 73 m² | 88 m² | +15 m² +21% | 2022 |
| 2, Woodside Road958 m away | 66 m² | 81 m² | +15 m² +23% | 2021 |
| 94, Station Road288 m away | 78 m² | 93 m² | +15 m² +19% | 2015 |
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.