A standard adult first passport or renewal costs £72.50, or £82.25 if you use the Post Office’s Passport Check and Send service. Child passports cost £46, or £55.75 using Check and Send. you can read more here.i – Here is what you’ll need: Your passport should be valid for a minimum period of 6 months at the time of your visa application. The Pakistani authorities have confirmed they will accept British passports extended by 12 months by British Embassies and Consulates under additional measures put in place in mid-2014.