As an apprentice, you are entitled to a discounted membership, which will change each year to advance.
There are two memberships that are available to you; basic and enhanced. 
There is no difference to the representation that you receive with either membership, however, as an enhanced member, you are entitled to  additional benefits, these include :

• Incapacity benefit up to £25 per week for up to 51 weeks if you are unable to work due to illness or other absences
• Maternity and Adoption benefit of £10 per week for up to 39 weeks
• Paternity benefit of £15 for 2 weeks
• Fatal accident benefit of up to £25,000
• Permanent disability benefit of up to £25,000 if you're injured in an accident at work 
• Loss of eye/limb/digit benefit due to an accident at work of up to £10,000
• A convalescent stay up to 2 weeks at The View hotel Eastbourne if you are recovering from illness or medical treatment (limited to one stay every 24 months)