理学研究生文凭（PGDipSci）是一个为期一年的课程，以本科科学学位为基础。该文凭包括论文和研究主题，可以全日制或兼读制。它仅通过论文提供进入理学硕士（MSc）学位的机会。部级研究生文凭（PGDipMin）需要一年全日制或同等学历的兼职学习。该文凭的目的是通过将当前的奖学金纳入事工实践来增强当代的政府部门。
The Postgraduate Diploma in Theology (PGDipTheol) requires one year of full-time or its equivalent in part-time study and may be taken in Biblical Studies, Christian Thought and History or Pastoral Studies. Candidates are required to hold a Bachelor of Theology (BTheol) degree in the major subject of the proposed programme with satisfactory grades. Required coursework includes the completion of three papers at 400-level, and the writing of a 17,000 word dissertation. The aim of the programme is to expose a candidate to advanced knowledge and skills in one of the sub-disciplines of Theology. Graduates of the Diploma are able to pursue careers in many fields, including education, counseling, and church-related areas.