Concord House, Flat 18, 20 Marshall Street, Birmingham, B1 1LR

Concord House is a two-bedroom semi-detached house in Birmingham (B1 1LR). It has a recorded floor area of 215 m² (around 2314 sq ft), construction records dating it to 2007 onwards and council tax band G. At 215 m² this is the 14th smallest of 19 units on EPC record in Concord House, where floor areas span 92–357 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (June 2016) shows a C (score 74). Earlier certificates rated it B (October 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The latest certificate is from June 2016, so improvements made since then won't be reflected.

Today's modelled estimate of £470,000 is 18.3% below the 2015 sale of £575,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. At 215 m² the property is well over the postcode median (158 m² across 18 EPCs), placing it in the larger end of the local stock. On the market in October 2015 and unlisted since — roughly 11 years.