(1)  A covenant –

(a) restricting the use of an affected property; or

(b) requiring the owner, or owners, of an affected property to undertake any work or other obligation –

ceases to have effect immediately before any purchase of the property by the Crown under section 9(1) .

(2)  Subsection (1) does not apply in respect of a covenant relating to the provision of necessary services to other properties.