By Maria Ward-Brennan The Secretary of State for levelling up “misunderstood and misapplied” planning policy when it rejected Marks and Spencer Oxford Street demolition scheme, a judge heard. Today, the High Court heard a judicial review by Marks and Spencer over the Secretary of State for levelling up , Michael Gove MP, decision to refuse planning permission for the construction of its flagship building on Oxford Street. The retail giant sought planning permission to demolish its flagship store at 456-472 Oxford Street in order to construct a new 10-storey mixed-use building comprising retail…