This case is 27.99 on Play.com (not in stock) and £23.99 in Green. I ordered one myself as very good reviews. Only 2% quidco, but better than nothing!
Belkin laptop carry case that doubles as a tray for your laptop - protecting you from any excess heat that your notebook might put out.
* Belkin Sleevetop carry case / laptop holder
* Uniquely designed for comfortable use on a couch, bed or table
* Belkin part number: F8N042EAGRY
* Made of hand washable microfiber
Belkin lifetime warranty
Fits up to 17" according to: http://www.amazon.co.uk/product-reviews/B000N99BQC/ref=dp_top_cm_cr_acr_txt?ie=UTF8&showViewpoints=1