Section 19 Where any agreement in restraint of building exists, regard to be had thereto in estimating compensation.

Where any covenant or agreement has been entered into with the principal officers of Her Majesty’s Ordnance or with the said Secretary of State in restraint of the right to build on any lands, and such covenant or agreement is legally or equitably binding on the owner of the lands, regard shall be had in ascertaining the amount of compensation to be paid under this Act for or in respect of such lands (whether the same are required to be taken absolutely or are required to be kept free from buildings) to the existing restriction arising out of such covenant or agreement.