Keystone House, Flat 9, 60 London Road, St Albans, AL1 1NG

Keystone House is a property in St Albans (AL1 1NG). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1991-1995. The latest certificate (October 2025) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in March 2016 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good; while window efficiency dropped from Very Good to Average and hot-water efficiency dropped from Poor to Very Poor. Main heating runs on electricity. At 72 m² this is the 21st smallest of 24 units on EPC record in Keystone House, where floor areas span 38–109 m². The building's EPC ratings span E to C, with this unit at the bottom.

Today's modelled estimate of £388,000 is 11.8% below the 2016 sale of £440,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. At 72 m² the property is well over the postcode median (51 m² across 42 EPCs), placing it in the larger end of the local stock. Last sold in March 2016, so it's been off the market for around 10 years.