Its an email offer, might have to click the Go to Deal link rather than going direct to website.
12% discount offer valid to 11:59pm 19 April 2019. The discount is automatically applied when getting a quote. Discount applies to base premium only. Additional options such as specified items cannot be discounted. These options or cover which can be purchased for an additional premium includes extra cover for specified items, increased cover for rental vehicle excess, removing the policy excess and charitable donations made.
Still expensive than virgin money insurance!