16 Ashtree Court, Granville Road, St Albans, AL1 5UE

16 Ashtree Court is a one-bedroom mid-terrace house in St Albans (AL1 5UE). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (June 2019) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76). At 48 m² this is the 5th smallest of 38 units on EPC record in the building, where floor areas span 45–84 m². The building's EPC ratings span E to C across 38 units on file.

It hasn't traded since November 1999, a hold of 27 years that's notably long for the area. At 48 m² it's 22.6% smaller than the typical home in the postcode (62 m² median across 37 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1996–1999, sale prices on this property compounded at 16.8% per year. Today's modelled estimate of £290,000 sits 157.8% above the 1999 sale of £112,500. On a £-per-square-foot basis, the last sale (£218/sq ft) was about 20.5% below the postcode norm.