22 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ

22 Lock Keepers Court is a two-bedroom mid-terrace house in Cardiff (CF10 3EZ). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (March 2020) returns a B (score 81), comfortably above the UK average. When first surveyed in September 2009 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Very Poor. Main heating runs on electricity. At 61 m² this is the 6th smallest of 36 units on EPC record in the building, where floor areas span 37–84 m². The building's EPC ratings span D to B, with this unit at the top.

Untraded for 19 years, with the last transfer in March 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Across 2005–2007, sale prices on this property compounded at 6.3% per year. On a £-per-square-foot basis, the last sale (£238/sq ft) was about 19.6% above the typical sold price in the postcode.