No, we're sorry, you will not be able to split your refund in any way.   
If you've paid by cash, you can opt for a cash refund, a Credit Note or a refund to My Credit in your account. 

If you've paid by card, you'll receive a refund to your card or you can opt for a Credit Note. 

Your Credit Note will be valid for 6 months from the date of issue.  You can use it to shop for Lifestyle products online or in-store.