I think it's a bank specific , Customer specific offer. A little misleading. You gotta check the offers your bank is giving. Mines are giving me the Halfords 10% and tile depot. Wish it was JD.
The link takes you to the website, then what?
Just registered for this - presumably it will work with Quidco as well = double cash back? 8)
Showing on mine but then all these Nationwide ones seem to be - lucky me!