11 Blackwater Close, Chelmsford, CM1 7QJ

11 Blackwater Close is a two-bedroom semi-detached house in Chelmsford (CM1 7QJ). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1991-1995 and council tax band B. At 57 m² this is the 4th smallest of 21 units on EPC record in the building, where floor areas span 51–127 m². The building's EPC ratings span E to C across 21 units on file. Other recorded features include outbuildings. The latest certificate (April 2015) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from April 2015, so improvements made since then won't be reflected.

Untraded for 31 years, with the last transfer in May 1995. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £213,000 sits 587.1% above the 1995 sale of £31,000. On a £-per-square-foot basis, the last sale (£51/sq ft) was about 78.6% below the postcode norm. At 57 m² it sits well below the postcode median (87 m² across 20 EPCs), making it one of the more compact homes locally.