20 Barn Close, Hemel Hempstead, HP3 9PJ

20 Barn Close is a two-bedroom end-of-terrace house in Hemel Hempstead (HP3 9PJ). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1967-1975 and council tax band B. At 53 m² this is the 5th smallest of 16 units on EPC record in the building, where floor areas span 39–63 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (62 versus a best of 80). Other recorded features include outbuildings. The latest certificate (November 2020) shows a D (score 62), on the cusp of jumping into the C band.

It hasn't traded since February 1995, a hold of 31 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £248,000 sits 459.5% above the 1995 sale of £44,325. On a £-per-square-foot basis, the last sale (£78/sq ft) was about 66.5% below the postcode norm.