23 Millstream Close, Hitchin, SG4 0DA

23 Millstream Close is a one-bedroom mid-terrace house in Hitchin (SG4 0DA). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (April 2020) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2009. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 78). At 45 m² this is the 46th smallest of 56 units on EPC record in the building, where floor areas span 30–56 m². The building's EPC ratings span F to B across 56 units on file.

It hasn't traded since October 1999, a hold of 27 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. At 45 m² the property is well over the postcode median (33 m² across 55 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £180,000 sits 283% above the 1999 sale of £47,000. On a £-per-square-foot basis, the last sale (£97/sq ft) was about 56.4% below the postcode norm.