The government has announced the new rates that will apply from April:

Cap on a week’s pay for the purposes of calculating statutory redundancy payments and the basic award for unfair dismissal: £525
Guarantee pay: £29 per day
Statutory sick pay: £94.25 per week
Statutory maternity, paternity and adoption pay: £148.68

National Minimum Wage:

Over 25                            £8.21
Adult rate (over 21)                       £7.70
Development rate (18 – 20)         £6.15     
School leavers (16 – 17)                £4.35
Apprentices                                    £3.90

More details can be found here.