Wiggle are being Nobs

Rather than take responsibility they insinuated the fault was with me for giving an incorrect address, not exactly a great way to maintain my custom, especially when the address given was correct and their courier lied about attempting a delivery.

They weren't blaming you, just advising you to check the only thing you could fix, because they don't know why the delivery failed and they have no way of checking that your address is correct, only that they shipped it to the address you gave them. People do make mistakes when typing their addresses into web form, it only inconveniences you if that's what happened and you're too arrogant to double check.

^^Do you work for UKMail?

No, they are even bigger cunts than you :-)