Thank you for your inquiry. 3′-dATP and 3′-dGTP are shipped FedEx Priority International on dry ice. The average cost to ship to Cambridge, UK is $130 USD. Please note that our online cart uses general estimates based on country which can vary from the actual shipping cost. For example, since other regions in the UK can be more expensive, the online estimate is $140 but the final invoice will only reflect the actual cost of shipment, not the full estimate.