100a, Church Road, Birkenhead, CH42 0LJ

100a is a two-bedroom mid-terrace house in Birkenhead (CH42 0LJ). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1900-1929 and council tax band A. At 52 m² this is the 6th smallest of 10 units on EPC record in the building, where floor areas span 38–105 m². The building's EPC ratings span E to C across 10 units on file. The latest certificate (November 2015) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). The latest certificate is from November 2015, so improvements made since then won't be reflected.

Held since May 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2006–2008, sale prices on this property compounded at 1.5% per year. Today's modelled estimate of £109,000 sits 67.7% above the 2008 sale of £65,000. On a £-per-square-foot basis, the last sale (£116/sq ft) was about 57% above the typical sold price in the postcode.