Technically a higher level of cover than £85K may apply in certain circumstance, as detailed in another thread
Continuing the discussion from FSCS Protection – Ethics:
The Financial Services Compensation Scheme (FSCS) provides a £1 million protection limit for temporary high balances held with your bank if it fails.
‘Temporary high balances’ are the result of specified major life events that lead to a large amount of money being held in a person’s account for up to 6 months.