1a, Dudley Park Road, Birmingham, B27 6QP

1a is a semi-detached house in Birmingham (B27 6QP). It has a recorded floor area of 69 m² (around 743 sq ft) and construction records dating it to 1983-1990. The latest certificate (October 2017) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2010. Between certificates, wall efficiency went from Very Poor to Good and window efficiency went from Poor to Good. At 69 m² this is the 13th smallest of 34 units on EPC record in the building, where floor areas span 40–284 m². The building's EPC ratings span E to C across 34 units on file.

Untraded for 20 years, with the last transfer in July 2006. Across the public record there are 5 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2002. Past consents include an extension, meaningful when judging how the property has evolved. Across 2000–2006, sale prices on this property compounded at 11.3% per year. Today's modelled estimate of £124,000 is 47.6% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£113/sq ft) was about 22.8% below the postcode norm.