Hi ZackDid you find an app that worked for you in setting local delivery to UK postcodes - all the Apps suggested I have looked at mention zip codes not UK postcodes.we have similar issue to you with arranging deliveries dates to blocks of postcodes ...

I am looking for a way to offer customers a choice of the next two delivery dates scheduled for their postcode and tag theirselection to their order and confirm this on the completed order notificationI have set up 4 Local Delivery zones by postcode ...