10% Off using Promo Code EXTRA10 @ Asos.com
I just used this code which I received in Email.
It does not have expiry date but writes...
For extra 10% off enter promo code EXTRA10 at checkout. Offer valid for a limited time only. Valid on selected items only, up to a maximum of £500. Excludes certain brands, delivery charges, gift vouchers and subscription to ASOS Premier. Only one promo code can be used per order