91a, High Street, Wem, Shrewsbury, SY4 5DR

91a is a two-bedroom semi-detached house in Wem, Shrewsbury, Shrewsbury (SY4 5DR). It has a recorded floor area of 101 m² (around 1087 sq ft) and construction records dating it to before 1900. The latest certificate (September 2017) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in November 2011 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to D (score 62). Main heating runs on electricity. At 101 m² this is the 24th smallest of 35 units on EPC record in the building, where floor areas span 28–609 m². The building's EPC ratings span F to C across 35 units on file.

Untraded for 16 years, with the last transfer in September 2010. At 101 m² the property is well over the postcode median (65 m² across 34 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £186,000 is 28.3% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 40.7% above the typical sold price in the postcode.