106 Upper Marshall Street, Birmingham, B1 1LJ

106 Upper Marshall Street is a one-bedroom mid-terrace house in Birmingham (B1 1LJ). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (December 2023) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it B (July 2013); the latest reading is 2 bands lower. Between certificates, hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity. At 52 m² this is the 21st smallest of 89 units on EPC record in the building, where floor areas span 40–94 m². The building's EPC ratings span E to B across 89 units on file.

Untraded for 21 years, with the last transfer in September 2005. At 52 m² it's 16.1% smaller than the typical home in the postcode (62 m² median across 88 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.