13 Waleran Flats, Old Kent Road, Southwark, London, SE1 5UU

13 Waleran Flats is a one-bedroom end-of-terrace house in Southwark, London, London (SE1 5UU). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1930-1949 and council tax band B. At 38 m² this is the smallest unit on EPC record across the building (38–95 m²). The building's EPC ratings span E to C across 27 units on file. The latest certificate (February 2023) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good and lighting dropped from Average to Very Poor. The recommended improvements would push it to C (score 76).

At 38 m² it sits well below the postcode median (56 m² across 26 EPCs), making it one of the more compact homes locally. Across 2006–2013, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £297,000 is 44.9% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£501/sq ft) was about 25.2% above the typical sold price in the postcode. On the market in September 2013 and unlisted since — roughly 13 years.