Theatre Royal Apartments, 16, 15 Shoplatch, Shrewsbury, SY1 1HR

Theatre Royal Apartments is a semi-detached house in Shrewsbury (SY1 1HR). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to before 1900. The latest certificate (January 2011) shows an F (score 26), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 57), a 2-band jump. Main heating runs on electricity. The latest certificate is from January 2011, so improvements made since then won't be reflected. At 53 m² this is the 15th smallest of 22 units on EPC record in Theatre Royal Apartments, where floor areas span 31–153 m². The building's EPC ratings span F to B, with this unit at the bottom. On EPC score it ranks last in the building (26 versus a best of 82).

Untraded for 17 years, with the last transfer in November 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £139,000 is 46.3% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 33.2% below the postcode norm.