Like all retailers, they like to keep customers so your first call or email should be to their Customer Service Department. The Range give the following details:
Contact Us by
Phone 0345 026 7598
Our lines are open 7 days a week. Monday - Saturday, 7am-8pm. Sunday, 11am - 5pm
Email is: email@example.com.
They may take a day or two to sort it out but chace them. If you want the particular store then the email format is <store>firstname.lastname@example.org. So Torquay for example is Torquaymanager@therange.co.uk