23a, High Street, Wem, Shrewsbury, SY4 5DG

23a is a mid-terrace house in Wem, Shrewsbury, Shrewsbury (SY4 5DG). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2025) shows an F (score 33), near the bottom of the EPC scale. Earlier certificates rated it E (March 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and main heating went from Poor to Average; while window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to D (score 67), a 2-band jump. Main heating runs on electricity. At 68 m² this is the 19th smallest of 26 units on EPC record in the building, where floor areas span 34–130 m². The building's EPC ratings span G to C across 26 units on file.

Held since May 2006 — that's 20 years off the open market, well above the local norm. At 68 m² it's 25.9% larger than the typical home in the postcode (54 m² median across 25 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Across 1999–2006, sale prices on this property compounded at 10.7% per year. Today's modelled estimate of £128,000 is 36.9% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£128/sq ft) was about 56.1% above the typical sold price in the postcode.