15 Berwick Place, Welwyn Garden City, AL7 4TU

15 Berwick Place is a two-bedroom mid-terrace house in Welwyn Garden City (AL7 4TU). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (June 2019) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since January 2009. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. At 48 m² this is the 2nd smallest of 35 units on EPC record in the building, where floor areas span 11–70 m². The building's EPC ratings span D to B, with this unit at the top. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal.

Untraded for 19 years, with the last transfer in December 2006. Today's modelled estimate of £245,000 is 34.7% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£352/sq ft) was about 23.7% above the typical sold price in the postcode. At 48 m² it's 23.8% smaller than the typical home in the postcode (63 m² median across 34 EPCs).