Stonehills House, Flat 13, Stonehills, Welwyn Garden City, AL8 6DL

Stonehills House is a two-bedroom end-of-terrace house in Welwyn Garden City (AL8 6DL). It has a recorded floor area of 73 m² (around 786 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2020) shows a D (score 57), a step below the typical UK home. When first surveyed in September 2016 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Poor; while wall efficiency dropped from Very Good to Very Poor and window efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 83), a 2-band jump. Main heating runs on electricity. At 73 m² this is the 32nd smallest of 35 units on EPC record in Stonehills House, where floor areas span 23–75 m². The building's EPC ratings span E to C across 35 units on file.

At 73 m² the property is well over the postcode median (53 m² across 34 EPCs), placing it in the larger end of the local stock. 9 years since the last transfer (March 2017).