18 Devon Court, Old London Road, St Albans, AL1 1PP

18 Devon Court is a one-bedroom end-of-terrace house in St Albans (AL1 1PP). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1950-1966 and council tax band C. At 43 m² this is the 3rd smallest of 15 units on EPC record in the building, where floor areas span 37–51 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 80). The latest certificate (April 2017) shows an E (score 40), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 57). Main heating runs on electricity.

Held since October 2001 — that's 25 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £262,000 sits 142.6% above the 2001 sale of £108,000. On a £-per-square-foot basis, the last sale (£233/sq ft) was about 24.2% below the postcode norm.