Waterside House, Flat 2, 12 Theed Street, Lambeth, London, SE1 8ST

Waterside House is a one-bedroom mid-terrace house in Lambeth, London, London (SE1 8ST). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1996-2002 and council tax band E. At 42 m² this is the smallest unit on EPC record across Waterside House (42–85 m²). The building's EPC ratings span C to B, with this unit at the bottom. Period features are noted in the property record. The latest certificate (August 2025) shows a C (score 77), near the top of the C band. When first surveyed in October 2015 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good.

At 42 m² it sits well below the postcode median (85 m² across 24 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£1,217/sq ft) was about 233.4% above the typical sold price in the postcode. Last sale on file: £550,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.