 The case stressed the legitimate goal of protection of the Metropolitan Green Belt in primary legislation and similar restrictions crop up in rural zoned land use areas outside of Local Plan development zones, in UK planning practical policy.The case upheld the ability of local planning authorities (LPAs) to impose restrictions which will only allow development in sensitive parts of their areas where meeting a pressing agricultural need to house the family of an agricultural/forestry worker, provided it has balanced such policies against those enabling developments to, if fully developed, meet the local housing needs assessment.The cases recognises that greenfield sites are cheaper to develop and have more aesthetic qualities than many brownfield (urban) sites however many LPAs will choose to make any development on such land a narrow exception not a norm.