Apartment 1, 21 William Street, Birmingham, B15 1DR

Apartment 1 is a one-bedroom property in Birmingham (B15 1DR). It has a recorded floor area of 54 m² (around 581 sq ft). At 54 m² this is the 23rd smallest of 46 units on EPC record in the building, where floor areas span 44–83 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (January 2020) shows a C (score 79), near the top of the C band. Main heating runs on electricity: electricity, unspecified tariff.

At 54 m² it's 19.4% smaller than the typical home in the postcode (67 m² median across 45 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: September 2021 at £220,950. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.