Just come across this on the web from a so called expert company: Most common items that fail an EICR, What Landlords need to know before booking! - https://www.electricaltestinginspection.co.uk/post/most-common-items-that-fail-an-eicr-what-landlords-need-to-know-before-booking#:~:text=If%20the%20property%20is%20a%20house%20or%20a%20flat%20that,(be%20a%20C2%20fault).