13c, Heathbank Road, Birkenhead, CH42 7LD

13c is a semi-detached house in Birkenhead (CH42 7LD). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. At 55 m² this is the smallest unit on EPC record across the building (55–301 m²). The building's EPC ratings span F to C across 17 units on file. The latest certificate (January 2020) shows a D (score 57), a step below the typical UK home. When first surveyed in September 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77).

Across 2000–2020, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £107,000 sits 109.8% above the 2020 sale of £51,000. On a £-per-square-foot basis, the last sale (£86/sq ft) was about 17.3% below the postcode norm. At 55 m² it sits well below the postcode median (137 m² across 16 EPCs), making it one of the more compact homes locally. Last sale on file: £51,000 in October 2020.