Settled Land Act 1884

The leasing power of a tenant for life extends to the making of –

a lease for giving effect to a contract entered into by any of his predecessors in title for making a lease which, if made by the predecessor, would have been binding on the successors in title;

a lease for giving effect to a covenant of renewal performance whereof could be enforced against the owner for the time being of the settled land; and a lease for confirming as far as may be of a previous lease, being void or voidable; but so that every lease, as and when confirmed, shall be such a lease as might at the date of the original lease have been lawfully granted under this Act, or otherwise, as the case may require.