“…y might possibly say the action for relief must be brought within 6 months, by analogy with the 1852 Act; but in Thatcher v C H Pearce & Sons (Contractors) Ltd [1968] 1 WLR 748 (“Thatcher”), Sir Jocelyn Simon P said at 755F that he had rarely come across more guarded wording, and in the case before him, where the tenant was in prison …”