This evenings Flash Sale at CDiscount is 15% off all curtains. This is live now and runs until midnight tonight.
I have never really looked at the curtains on their site, but they have quite a few and prices now start at just £14.44, so its worth a look
Plus get 10% Account credit on your order, using voucher code: SIXANNIV10
New customers can get £10 Off £50 spend using discount code: Newbie10