Cowper House, Flat 20, Browning Street, Southwark, London, SE17 1DD

Cowper House is an end-of-terrace house in Southwark, London, London (SE17 1DD). It has a recorded floor area of 50 m² (around 541 sq ft), construction records dating it to 1950-1966 and council tax band B. At 50 m² this is the 8th smallest of 17 units on EPC record in Cowper House, where floor areas span 35–63 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (June 2010) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 61). The latest certificate is from June 2010, so improvements made since then won't be reflected.

Held since January 2011 — that's 15 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £338,000 sits 115.3% above the 2011 sale of £157,000. On a £-per-square-foot basis, the last sale (£290/sq ft) was about 54.4% below the postcode norm.