19 By The Mount, Welwyn Garden City, AL7 3SY

19 By The Mount is a one-bedroom end-of-terrace house in Welwyn Garden City (AL7 3SY). It has a recorded floor area of 41 m² (around 445 sq ft), construction records dating it to 1983-1990 and council tax band B. At 41 m² this is the smallest unit on EPC record across the building (41–96 m²). The building's EPC ratings span D to B across 30 units on file. The latest certificate (August 2009) shows a C (score 77), near the top of the C band. The recommended improvements would push it to B (score 82). The latest certificate is from August 2009, so improvements made since then won't be reflected.

Sale prices here have outpaced England HPI: 8.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£412/sq ft) was about 17.5% above the typical sold price in the postcode. On the market in April 2016 and unlisted since — roughly 10 years. At 41 m² it's 27.5% smaller than the typical home in the postcode (57 m² median across 29 EPCs).