Flat 19, 3 Market Yard Mews, Southwark, London, SE1 3TJ

Flat 19 is a two-bedroom mid-terrace house in Southwark, London, London (SE1 3TJ). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1950-1966 and council tax band E. At 75 m² this is the 5th smallest of 22 units on EPC record in the building, where floor areas span 31–123 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (58 versus a best of 84). Our model identifies extension potential, subject to local planning policy. The latest certificate (July 2017) shows a D (score 58), a step below the typical UK home. Earlier certificates rated it C (April 2017); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 78).

At 75 m² it's 16.7% smaller than the typical home in the postcode (90 m² median across 23 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2000–2018, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £675,000 is 35% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£619/sq ft) was about 75.6% above the typical sold price in the postcode. Last sale on file: £500,000 in November 2018.