11a, Mill Lane, Upton, Chester, CH2 1BS

11a is a two-bedroom semi-detached house in Upton, Chester, Chester (CH2 1BS). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (December 2010) shows a G (score 16), near the bottom of the EPC scale. The recommended improvements would push it to F (score 26). Main heating runs on electricity. The latest certificate is from December 2010, so improvements made since then won't be reflected. At 62 m² this is the 3rd smallest of 13 units on EPC record in the building, where floor areas span 56–221 m². The building's EPC ratings span G to C, with this unit at the bottom. On EPC score it ranks last in the building (16 versus a best of 73).

Untraded for 22 years, with the last transfer in June 2004. At 62 m² it sits well below the postcode median (158 m² across 12 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £204,000 is 10.3% above the 2004 sale price.