7 Harlow Mansions, Whiting Avenue, Barking, IG11 8JW

7 Harlow Mansions is a one-bedroom mid-terrace house in Barking (IG11 8JW). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1930-1949 and council tax band B. At 50 m² this is the smallest unit on EPC record across the building (50–72 m²). The building's EPC ratings span D to C, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (October 2015) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2010. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 78). The latest certificate is from October 2015, so improvements made since then won't be reflected.

Held since October 2010 — that's 16 years off the open market, well above the local norm. Today's modelled estimate of £212,000 sits 101.9% above the 2010 sale of £105,000. On a £-per-square-foot basis, the last sale (£195/sq ft) was about 16% below the postcode norm. At 50 m² it's 16.7% smaller than the typical home in the postcode (60 m² median across 9 EPCs).