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 KT11 1HB
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 |
|---|---|---|---|---|
| Little Plymyard, Seven Hills Road692 m away | 127 m² | 313 m² | +186 m² +146% | 2020 |
| Little Warren, Seven Hills Road599 m away | 210 m² | 314 m² | +104 m² +50% | 2018 |
| Five Oaks, Seven Hills Road599 m away | 297 m² | 399 m² | +102 m² +34% | 2019 |
| Woodlands, Byfleet Road940 m away | 196 m² | 273 m² | +77 m² +39% | 2022 |
| Pendock Cottage, Byfleet Road940 m away | 208 m² | 281 m² | +73 m² +35% | 2014 |
| The Cottage, Wood Manor, Seven Hills Road774 m away | 181 m² | 241 m² | +60 m² +33% | 2021 |
| 60, Northfield Road995 m away | 84 m² | 136 m² | +52 m² +62% | 2019 |
| 3, Matthew Arnold Close926 m away | 49 m² | 101 m² | +52 m² +106% | 2017 |
| 28, Wyndham Avenue786 m away | 109 m² | 158 m² | +49 m² +45% | 2020 |
| 24, Molesworth Road758 m away | 89 m² | 128 m² | +39 m² +44% | 2015 |
| 4, Wyndham Avenue786 m away | 85 m² | 123 m² | +38 m² +45% | 2022 |
| Dell Cottage, Convent Lane0 m away | 127 m² | 160 m² | +33 m² +26% | 2021 |
| 11, Hamilton Avenue849 m away | 101 m² | 133 m² | +32 m² +32% | 2026 |
| 12, Trafalgar Court926 m away | 38 m² | 70 m² | +32 m² +84% | 2010 |
| 22, Coveham Crescent943 m away | 82 m² | 113 m² | +31 m² +38% | 2024 |
| 23, Hamilton Avenue849 m away | 86 m² | 116 m² | +30 m² +35% | 2020 |
| 1, Riverview Gardens628 m away | 85 m² | 112 m² | +27 m² +32% | 2012 |
| 7, Northfield Farm Mews986 m away | 119 m² | 144 m² | +25 m² +21% | 2023 |
| 22, Northfield Road995 m away | 93 m² | 117 m² | +24 m² +26% | 2024 |
| 47, Pennyfield862 m away | 91 m² | 115 m² | +24 m² +26% | 2022 |
| 15, Matthew Arnold Close926 m away | 80 m² | 103 m² | +23 m² +29% | 2026 |
| 33, Riverview Gardens628 m away | 65 m² | 88 m² | +23 m² +35% | 2020 |
| 14, Riverview Gardens628 m away | 70 m² | 90 m² | +20 m² +29% | 2026 |
| 45, Pennyfield862 m away | 101 m² | 120 m² | +19 m² +19% | 2024 |
| 7, Meadowlands750 m away | 84 m² | 103 m² | +19 m² +23% | 2018 |
| 5, Matthew Arnold Close926 m away | 76 m² | 94 m² | +18 m² +24% | 2024 |
| 21, Portsmouth Road978 m away | 65 m² | 82 m² | +17 m² +26% | 2026 |
| 75, Riverview Gardens628 m away | 69 m² | 85 m² | +16 m² +23% | 2024 |
| 53, Coveham Crescent936 m away | 86 m² | 102 m² | +16 m² +19% | 2022 |
| Flat 5, Half Moon Yard, 63, Portsmouth Road978 m away | 77 m² | 93 m² | +16 m² +21% | 2020 |
| 38, Bennett Close680 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
| 27, Pennyfield862 m away | 64 m² | 79 m² | +15 m² +23% | 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.