Dell House, Flat 5, 87 The Dell, Birkenhead, CH42 1PW

Dell House is a one-bedroom semi-detached house in Birkenhead (CH42 1PW). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to before 1900. At 45 m² this is the largest unit on EPC record across Dell House (36–45 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (50 versus a best of 72). Other recorded features include notable views. The latest certificate (July 2015) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.

It hasn't traded since December 2006, a hold of 19 years that's notably long for the area. At 45 m² it sits well below the postcode median (80 m² across 14 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £136,000 sits 70% above the 2006 sale of £80,000.