100 William Street, Birmingham, B15 1LH

100 William Street is a one-bedroom end-of-terrace house in Birmingham (B15 1LH). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1983-1990 and council tax band A. At 53 m² this is the 59th smallest of 78 units on EPC record in the building, where floor areas span 28–79 m². The building's EPC ratings span E to B across 78 units on file. The latest certificate (August 2014) shows a C (score 75), near the top of the C band. The latest certificate is from August 2014, so improvements made since then won't be reflected.

Held since April 1999 — that's 27 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. Sale prices here have outpaced Birmingham HPI: 5.7% per year against 0% for the wider region. Today's modelled estimate of £122,000 sits 216.9% above the 1999 sale of £38,500. On a £-per-square-foot basis, the last sale (£67/sq ft) was about 58.8% below the postcode norm.