I just received an email informing me that ASOS are offering free next day delivery until 6pm today (30th September). Normally £5.95!
No code needed, just select 'Free Next Day Delivery' which is the third option when you checkout :-)
This code is supposed to give 15% off too LOVETOSHOP15
The above code isn't active yet, so please don't expire because it doesn't work. This deal is about the free next day delivery!