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 GU4 7PE
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 |
|---|---|---|---|---|
| Koning, Clay Lane73 m away | 63 m² | 142 m² | +79 m² +125% | 2019 |
| 4, Tynley Grove0 m away | 50 m² | 120 m² | +70 m² +140% | 2019 |
| 52, Stringers Avenue237 m away | 66 m² | 119 m² | +53 m² +80% | 2018 |
| Woodberry, Clay Lane73 m away | 126 m² | 178 m² | +52 m² +41% | 2016 |
| 24, Treebys Avenue388 m away | 59 m² | 109 m² | +50 m² +85% | 2015 |
| 69, Queenhythe Road293 m away | 58 m² | 106 m² | +48 m² +83% | 2020 |
| Stringers Farm, Stringers Common961 m away | 137 m² | 185 m² | +48 m² +35% | 2017 |
| 83, Queenhythe Road293 m away | 93 m² | 133 m² | +40 m² +43% | 2017 |
| 5, Treebys Avenue388 m away | 48 m² | 87 m² | +39 m² +81% | 2022 |
| 31, Grangefields Road429 m away | 62 m² | 96 m² | +34 m² +55% | 2023 |
| 90, Queenhythe Road244 m away | 79 m² | 112 m² | +33 m² +42% | 2022 |
| 53, Brookside506 m away | 83 m² | 115 m² | +32 m² +39% | 2026 |
| 98, Queenhythe Road244 m away | 87 m² | 117 m² | +30 m² +34% | 2016 |
| 30, Grangefields Road472 m away | 60 m² | 87 m² | +27 m² +45% | 2013 |
| Two Firs, Jacobs Well Road388 m away | 127 m² | 153 m² | +26 m² +20% | 2014 |
| 7, Grangefields Road429 m away | 53 m² | 78 m² | +25 m² +47% | 2017 |
| 18, Holly Lea168 m away | 87 m² | 109 m² | +22 m² +25% | 2019 |
| 11, Stringers Avenue392 m away | 98 m² | 115 m² | +17 m² +17% | 2024 |
| Willow Fall, Blanchards Hill185 m away | 113 m² | 130 m² | +17 m² +15% | 2022 |
| 1, Queenhythe Road436 m away | 92 m² | 107 m² | +15 m² +16% | 2013 |
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.