To be considered for entry to a standard PhD programme you need to meet the following minimum entry criteria:
Upper Second Class (2.1) Honours degree
Master's degree - merit
IELTS 7.0 (with 6.5 in each component) or equivalent gained within the past two years, if your first language is not English.
Exceptionally, we will consider applications that narrowly miss the above requirements which demonstrate strong academic potential in the research proposal.

You will need to upload evidence of meeting these criteria when you apply.

You also need to supply:

a detailed research proposal (see our guidance on writing a proposal). We have identified a number of potential research projects. You may also submit proposals for projects that are not on the list. You will also need to identify and approach potential supervisors to discuss your proposed research and get their provisional agreement to supervise your project. You should then name them as your preferred supervisor(s) in your online application.
two recent academic references from academic staff at institutions where you have studied. If you have been out of education for some time we will accept a reference from your current employer if they can comment on your suitability to study for a higher research degree.
These will be assessed along with the rest of your application to consider your suitability to undertake postgraduate research.