“Up to a maximum of 40 percent of the retail floorspace, equating to 3386m2 (excluding the supermarket and eye-catcher), is permitted to be used withinUse Classes A2 and A3 of the Town and Country Planning (Use Classes) Order 1987 , or in any provision equivalent to that Class in any statutory instrument revoking and re-enacting that Order.”
“what is or would be lawful?”