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 SA15 4PN
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 |
|---|---|---|---|---|
| 29, Stepney Road892 m away | 101 m² | 189 m² | +88 m² +87% | 2026 |
| 25, Stradey Hill896 m away | 69 m² | 134 m² | +65 m² +94% | 2014 |
| Ffynnon Y Castell, 30, Stepney Road892 m away | 113 m² | 171 m² | +58 m² +51% | 2023 |
| 17, Stepney Road892 m away | 82 m² | 101 m² | +19 m² +23% | 2011 |
| 39, Stradey Hill896 m away | 114 m² | 132 m² | +18 m² +16% | 2018 |
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.