In the sales

[Speshact]

For a couple or more looking for a good sized tent, but under 4 kgs, this might be of interest at £220 http://www.decathlon.co.uk/quickhiker-ultralight-4-man-hiking-tent-grey-id_8243148.html

More of their discounted camping stuff
 http://www.decathlon.co.uk/C-10865-sales/N-84440-sports~camping