Longcroft House, Flat 30, Church Road, Welwyn Garden City, AL8 6DD

Longcroft House is a one-bedroom mid-terrace house in Welwyn Garden City (AL8 6DD). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1950-1966 and council tax band C. At 54 m² this is the 2nd smallest of 8 units on EPC record in Longcroft House, where floor areas span 37–82 m². The building's EPC ratings span E to C, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (March 2021) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it C (June 2011); the latest reading is 2 bands lower. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.

It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On the market in September 2012 and unlisted since — roughly 14 years. Across 2007–2012, sale prices on this property compounded at -1.5% per year. Today's modelled estimate of £254,000 is 40.3% above the 2012 sale price.