If, in a case where the right to acquire the freehold of a house and premises arises by virtue of any one or more of the provisions of sections 1A , 1AA and 1B above or where the tenancy of the house and premises has been extended under section 14 below and the notice under section 8(1) above was given (whether by the tenant or a sub-tenant) after the original term date of the tenancy, the landlord will suffer any loss or damage to which this section applies, there shall be payable to him such amount as is reasonable to compensate him for that loss or damage.
This section applies to—
Without prejudice to the generality of paragraph (b) of subsection (2) above, the kinds of loss falling within that paragraph include loss of development value in relation to the house and premises to the extent that it is referable as mentioned in that paragraph.
In subsection (3) above "development value", in relation to the house and premises, means any increase in the value of the landlord's interest in the house and premises which is attributable to the possibility of demolishing, reconstructing, or carrying out substantial works of construction on, the whole or a substantial part of the house and premises.
In relation to any case falling within subsection (1) above—
to the price payable under section 9 above shall be construed as including a reference to any amount payable to the landlord under this section; and