A new warehouse and distribution park in Bicester has been granted planning permission for up to 675,000 square feet.Developer db symmetry will start building an 88,000sqft unit for an owner-occupier at the end of this year.The unit has already been sold and the firm says it is negotiating more deals.Symmetry Park, marketed by agents Savills, is on the A41 and close to junction nine of the M40/A34 interchange.