Except as provided by this section, any agreement relating to a lease (whether contained in the instrument creating the lease or not and whether made before the creation of the lease or not) shall be void in so far as it—
Subsection (1) shall not be taken to preclude a tenant from surrendering his lease, and shall not—
Where—
then on the application of the tenant the county court, or any court in which proceedings are brought on the agreement, may, if in its opinion the tenant is not adequately recompensed under the agreement for his rights under Chapter II, set aside or vary the agreement and give such other relief as appears to it to be just having regard to the situation and conduct of the parties.
Where a tenant has the right to acquire a new lease under Chapter II, there may with the approval of the court be granted to him in satisfaction of that right a new lease on such terms as may be approved by the court, which may include terms excluding or modifying—
Subject to the provisions specified in subsection (6) and to subsection (7), a lease may be granted by virtue of subsection (4), and shall if so granted be binding on persons entitled to any interest in or charge on the landlord's estate—
The provisions referred to in subsection (5) are—
Where the existing lease of the tenant is granted after the commencement of Chapter II and, the grant being subsequent to the creation of a charge on the landlord's estate, the existing lease is not binding on the persons interested in the charge, a lease granted by virtue of subsection (4) shall not be binding on those persons.
Where a lease is granted by virtue of subsection (4), then except in so far as provision is made to the contrary by the terms of the lease, the following provisions shall apply in relation to the lease as they apply in relation to a lease granted under section 56, namely—
and subsections (5) to (7) of section 56 shall apply in relation to the lease as they apply in relation to a lease granted under that section.