Flat 3, 36 Carlton Road, Birkenhead, CH42 9NQ

Flat 3 is a semi-detached house in Birkenhead (CH42 9NQ). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band A. At 81 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 44–87 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (80 versus a worst of 58). The latest certificate (August 2025) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since July 2015. Between certificates, wall efficiency went from Poor to Average and lighting went from Very Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84).

Held since August 2004 — that's 22 years off the open market, well above the local norm. At 81 m² it's 19.1% larger than the typical home in the postcode (68 m² median across 34 EPCs). Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Across 2001–2004, sale prices on this property compounded at 42.2% per year. On a £-per-square-foot basis, the last sale (£178/sq ft) was about 84.9% above the typical sold price in the postcode.