20 Cathedral Court, King Harry Lane, St Albans, AL3 4AF

20 Cathedral Court is a two-bedroom semi-detached house in St Albans (AL3 4AF). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1983-1990 and council tax band E. At 87 m² this is the 19th smallest of 21 units on EPC record in the building, where floor areas span 60–105 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (55 versus a best of 82). The latest certificate (February 2015) shows a D (score 55), a step below the typical UK home. Main heating runs on electricity. The latest certificate is from February 2015, so improvements made since then won't be reflected.

At 87 m² the property is well over the postcode median (66 m² across 20 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £495,000 is 28.6% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£411/sq ft) was about 18.6% above the typical sold price in the postcode. Last sold in October 2015, so it's been off the market for around 11 years.