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The different routes to achieving a PhD at Imperial

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A PhD (Doctor of Philosophy) is the most common type of doctoral degree and the highest level of academic qualification you can achieve. 

It normally takes between three and four years of full-time work to complete. It is also possible to undertake a PhD part time, over five to six years.

The main activity of a PhD is to carry out an original research project under the direction of one or more supervisors, to be written up as a thesis.

Different routes to achieving a PhD

There are a number of ways to achieving a PhD at Imperial:

• by undertaking a course of study based on your own research proposal
• by joining a research project that comes with funding attached (known as a studentship)
• by combining it with Master's study in an integrated route that typically lasts four years

Pursuing your own research idea

To search for PhD opportunities based on your own research proposal you first need to identify a research group within Imperial whose area of expertise best matches your idea.

Use the links below to search the different PhD opportunities within our academic departments, centres and institutes. This includes information about current studentships and often guidance on finding a supervisor.

Our interdisciplinary approach means our expertise often spans departmental boundaries – and so do our courses – so you may find opportunities in an unexpected area of the university.

Faculty of Engineering

• Aeronautics
• Bioengineering
• Chemical Engineering
• Civil and Environmental Engineering
• School of Design Engineering
• Earth Science and Engineering
• Electrical and Electronic Engineering
• Mechanical Engineering

Faculty of Medicine

• Department of Brain Sciences
• Department of Immunology and Inflammation
• Department of Infectious Disease
• Department of Metabolism, Digestion and Reproduction
• Department of Surgery and Cancer
• National Heart and Lung Institute
• School of Public Health

Faculty of Natural Sciences

• Life Sciences
• Mathematics
• Centre for Environmental Policy

Imperial College Business School

• Doctoral programme

Centre for Languages, Culture and Communication

• PhD in Arabic, German, Italian, Russian and Spanish Studies
• PhD in science communication studies

Global Challenge institutes

We have six Global Challenge institutes, which were created to address some of society's biggest challenges.

If you have an idea for a PhD that falls within the remit of one of our Global Challenge institutes please contact them directly to discuss before making a formal application.

• Data Science Institute
• Grantham Institute – Climate Change and the Environment
• Institute for Molecular Science and Engineering
• Institute for Security Science and Technology
• Institute of Global Health Innovation

Energy Futures Lab  does not offer PhD programmes, but does deliver the  MSc in Sustainable Energy Futures .

Joint Academy of Doctoral Studies | Imperial College London-Technical University of Munich

We have recently formed  a strategic partnership in education, research and innovation  with the Technical University of Munich, one of Germany’s most international and entrepreneurial universities, producing highly ranked research, like Imperial, in science, engineering and medicine.

As part of the partnership, Imperial and TUM have launched a 'Joint Academy of Doctoral Studies' with the aim of co-developing cross-disciplinary clusters of PhD students who will have access to world-leading academic supervisors and state-of-the art facilities at both institutions.

The first round of the programme will focus on the theme of 'Artificial Intelligence, Healthcare and Robotics'.

Find out more about the Joint Academy of Doctoral Studies and apply

Professional Doctorate

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The degree of Doctor of Philosophy (PhD) is the University's principal research degree for graduate students and is available in all faculties and departments. A Cambridge PhD is intellectually demanding and you will need to have a high level of attainment and motivation to pursue this programme of advanced study and research. In most faculties a candidate is expected to have completed one year of postgraduate study, normally on a research preparation masters course, prior to starting a PhD.

Completion normally requires three or four years of full-time study, or at least five years of part-time study, including a probationary period. Terms of research are normally consecutive and, for full-time students, require residency in Cambridge. Not all departments offer part-time research degrees (see Part-time study).

Various routes to the PhD are possible and, if you are made an offer of admission, it will be made clear whether you are required to study for a masters degree or certificate in the first instance, or will be admitted directly to the probationary year for the PhD. You are registered for the PhD only after a satisfactory progress assessment at the end of the probationary year (five terms for part-time degrees). The assessment is designed also to focus your mind on the stages necessary for completion of your research within the normal time limit and to address any structural problems that have arisen during the first year. The progress examination/assessment at the end of year one is a substantial academic hurdle and continuation to the PhD is not automatic.

During your PhD, your effort will be focused on writing a dissertation of up to 80,000 words. This must represent a significant contribution to learning, for example through the discovery of new knowledge, the connection of previously unrelated facts, the development of a new theory, or the revision of older views, and must take account of previously published work on the subject. Many Cambridge dissertations go on to form the basis of significant publications.

Although you will spend long hours working independently, your department and college will support you in different ways. You are also able to attend regular seminars in your subject area, might be involved in teaching, perhaps giving seminars or supervising, and can play an integral part in the social life of your department and College.

Courses offering a Doctor of Philosophy

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