How do I make a Royal Mail claim

We’re sorry you’ve had a problem with your Royal Mail shipment. If an item of your mail is lost, damaged, delayed or arrived with some of the contents missing, you may be eligible to claim compensation depending on whether you selected a service that offers insurance/compensation. 

ROYAL MAIL - Inland claim form 
Client form | http://bit.ly/2I7ttWq

ROYAL MAIL - International claim form 
Client form | http://bit.ly/2lXtBvA