91a, St Michaels Street, Shrewsbury, SY1 2HA

91a is a three-bedroom mid-terrace house in Shrewsbury (SY1 2HA). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to before 1900 and council tax band A. At 77 m² this is the 27th smallest of 40 units on EPC record in the building, where floor areas span 28–142 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2022) shows a C (score 72). When first surveyed in December 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average.

Untraded for 19 years, with the last transfer in July 2007. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 77 m² it's 18.5% larger than the typical home in the postcode (65 m² median across 39 EPCs). Across 2000–2007, sale prices on this property compounded at 14.5% per year. Today's modelled estimate of £154,000 is 33.9% above the 2007 sale price.