The Kent Careers Service offer a detailed timeline, which gives direction to First, Second and Third year students.
A basic timeline for the whole of a law degree is available on the Law Careers website.
For more useful planning advice, have a look on www.prospects.ac.uk.
Application Timeline
The links below provide a useful summary of application deadlines for popular law firms; however, you should check the website of each firm you intend to apply to regularly as errors happen and deadlines can be changed!