Urban Regeneration and Housing Act 2015
Determination of zero market value
14. A planning authority, and the Tribunal on appeal under section 13 , may, where it considers it appropriate in all the circumstances, deem that a vacant site has a zero market value, in particular where—
(a) no market exists for the site,or
(b) the site is situated on contaminated lands and the estimated costs of remedial works necessary in order to use or develop the site exceed the market value of the site itself.