Sch THIRD Pt III para 5
In assessing compensation for premises purchased under section fifty-seven of this Act, the tribunal may take into account and embody in their award any undertaking given by the local authority with respect to the time within which, and the manner in which, the re-development or any part thereof is to be carried out, and the terms of any undertaking so embodied in the award shall be binding on and enforceable against the authority.