Just had a wander round asda after work tonight and they have a few bits of camping equipment going pretty cheap, not sure about the quality but for the price....

2 man dome tent £10
camping bed £10
4 man dome tent (wouldnt put kids in it but decent size) £30ish

had a few other bits as well like sleeping bags (only to 10 degrees tho) chairs, stoves etc.


could be worth a look