Which TV series had Aubrey fforbes-Hamilton and Richard De Vere as its main characters?

Answer 1

The TV series "Losing Grantleigh Manor".
Audrey fforbes-Hamilton played the role of a newly-widowed owner of Grantleigh Manor Estate who has to pay the debts left by her late husband.
Richard De Vere played the role of an owner of the Cavendish Foods empire who takes the manor through an auction.

Answer 2

I've never heard of those actors more a less the show