23 Butlers & Colonial Wharf, Southwark, London, SE1 2PX

23 Butlers & Colonial Wharf is a one-bedroom mid-terrace house in Southwark, London, London (SE1 2PX). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (January 2026) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2014. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Poor; while window efficiency dropped from Average to Very Poor and main heating dropped from Good to Average. The recommended improvements would push it to D (score 65). At 50 m² this is the 2nd smallest of 46 units on EPC record in the building, where floor areas span 49–170 m². The building's EPC ratings span G to B across 46 units on file.

Untraded for 23 years, with the last transfer in April 2003. Across 2000–2003, sale prices on this property compounded at 12.6% per year. Today's modelled estimate of £568,000 sits 141.7% above the 2003 sale of £235,000. At 50 m² it sits well below the postcode median (80 m² across 45 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs).