27 Cumberland Court, Carlisle Avenue, St Albans, AL3 5LS

27 Cumberland Court is a one-bedroom mid-terrace house in St Albans (AL3 5LS). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1950-1966 and council tax band C. At 48 m² this is the 8th smallest of 25 units on EPC record in the building, where floor areas span 47–68 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 (40 versus a best of 77). The latest certificate (March 2021) shows an E (score 40), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.

Untraded for 30 years, with the last transfer in January 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £248,000 sits 476.7% above the 1997 sale of £43,000. On a £-per-square-foot basis, the last sale (£83/sq ft) was about 70.6% below the postcode norm.