1 Guessens Court, Welwyn Garden City, AL8 6RB

1 Guessens Court is a mid-terrace house in Welwyn Garden City (AL8 6RB). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (February 2020) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 79). At 63 m² this is the 69th smallest of 72 units on EPC record in the building, where floor areas span 33–71 m². The building's EPC ratings span E to B across 72 units on file.

At 63 m² it's 29.4% larger than the typical home in the postcode (49 m² median across 71 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). One historical planning record sits against the property in 2023.