6 Athelstan Walk North, Welwyn Garden City, AL7 3SH

6 Athelstan Walk North is a one-bedroom end-of-terrace house in Welwyn Garden City (AL7 3SH). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (October 2021) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since March 2011. Between certificates, hot-water efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Average to Good. At 46 m² this is the 5th smallest of 35 units on EPC record in the building, where floor areas span 40–58 m². The building's EPC ratings span D to B across 35 units on file.

Sale prices here have outpaced England HPI: 8.2% per year against 0% for the wider region. Today's modelled estimate of £219,000 is 30.4% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£339/sq ft) was about 57.5% above the typical sold price in the postcode. On the market in June 2015 and unlisted since — roughly 11 years. Across the public record there are 4 sales, relatively high churn for a single property. At 46 m² it's 16.4% smaller than the typical home in the postcode (55 m² median across 34 EPCs).