Bit of a complicated one -
There is currently an offer running "2 Annuals for £8" using the code Annuals248
The code seems to take £2 off each pair of annuals regardless of whether they come to above £8 or not.
Some Annuals are half price as low as £3.49 so you would get them at £2.49 each.
Currently free delivery now on all orders (including under £15)
code - FREEDELIVERY can be used together with the Annuals248 code