The DSA fees for tests in 2012 are as follows:

Theory Test

£31.00

45 multiple choice questions and 5 questions based on a case study,  followed by a Hazard Perception Test

Practical Test

For a Cat B car:

Weekdays £62.00 (during normal working hours)

Weekends and hours outside normal working day £75.00

For more information click on this link to the DSA.