604a, New Chester Road, Birkenhead, CH42 1QB

604a is a two-bedroom semi-detached house in Birkenhead (CH42 1QB). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1930-1949 and council tax band A. At 65 m² this is the 39th smallest of 47 units on EPC record in the building, where floor areas span 42–90 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (57 versus a best of 81). The latest certificate (September 2023) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 75).

Held since September 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £115,000 sits 784.6% above the 1997 sale of £13,000. On a £-per-square-foot basis, the last sale (£19/sq ft) was about 79.4% below the postcode norm.