21 Water Street, Thornton, Liverpool, L23 1TB

21 Water Street is a three-bedroom semi-detached house in Thornton, Liverpool, Liverpool (L23 1TB). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (August 2018) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in June 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76).

It hasn't traded since August 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £225,000 sits 50% above the 2009 sale of £150,000. At 95 m² it's 15.9% larger than the typical home in the postcode (82 m² median across 17 EPCs).