20 Burgundy Croft, Welwyn Garden City, AL7 3QA

20 Burgundy Croft is a three-bedroom end-of-terrace house in Welwyn Garden City (AL7 3QA). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (December 2021) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in June 2014 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 87), a 2-band jump.

Today's modelled estimate of £390,000 sits 90.2% above the 2014 sale of £205,000. On a £-per-square-foot basis, the last sale (£280/sq ft) was about 19.2% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). On the market in August 2014 and unlisted since — roughly 12 years.