Euro king wooden bed frame and king size memory foam mattress ?

3 year old Habitat bed frame. Solid oak and oak veneer with sprung wooden slats and high end. Euro king size (160 x 200cm). Very solid and stylish, in excellent condition and can be flat packed for collection. Selling as bought new mattress and want the bed to be the same size! If bought without mattress £300 2 year old King size memory foam mattress (150 x 200 cm) British standard 7177:2008. Removable, washable cover. Top layer soft memory foam, middle layer standard memory foam, bottom layer stabilising foam. Very comfortable. Selling as managed to get a Tempur in the January sales. If bought without bed frame £150 If buying both together £400