149 Blythway, Welwyn Garden City, AL7 1DS

149 Blythway is a three-bedroom semi-detached house in Welwyn Garden City (AL7 1DS). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (October 2025) shows a C (score 71). When first surveyed in February 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Poor to Average and window efficiency went from Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. Records show the property has been extended at some point in its history.

Untraded for 16 years, with the last transfer in May 2010. At 110 m² the property is well over the postcode median (53 m² across 13 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £505,000 sits 102.4% above the 2010 sale of £249,500. On a £-per-square-foot basis, the last sale (£211/sq ft) was about 23.4% below the postcode norm. 9 planning records sit against the property, 7 approved, 2 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved.