12b, Bouverie Street, Chester, CH1 4HE

12b is an end-of-terrace house in Chester (CH1 4HE). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Very Poor to Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78). At 51 m² this is the 3rd smallest of 31 units on EPC record in the building, where floor areas span 44–229 m². The building's EPC ratings span E to C across 31 units on file.

Untraded for 17 years, with the last transfer in May 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 0.8% per year against 0% for the wider region. Today's modelled estimate of £115,000 sits 109.1% above the 2009 sale of £55,000. On a £-per-square-foot basis, the last sale (£100/sq ft) was about 16.2% below the postcode norm. At 51 m² it sits well below the postcode median (124 m² across 30 EPCs), making it one of the more compact homes locally.