The Bank of England website at BankofEngland.co.uk then search for stress testing: banks and building societies
Then you will see the 2018 concurrent stress testing exercise, the ICAAP and references to the UK PRA.
The ECB mirrors these tests at
www.eba.europa.eu search for 2018 stress tests banks. It is by regulation and the legislation facilitates the regulation.
Both sites are in English but the ECB site has French and German language versions as well.
With the SP where it is, unless there is a dilutive capital raise, next time, how will CYB pass the stress tests?