A dissertation preface is a short introductory section, placed before the main chapters, where the author explains the study’s background, purpose, and scope, and often acknowledges supervisors or funders who supported the research.
It sits after the title page and before the table of contents or introduction, and is usually numbered in lowercase roman numerals, like the abstract and acknowledgements; our dissertation guide hub covers this front-matter order in full.
A preface differs from an abstract: the abstract summarises findings and methodology objectively, while the preface is more personal, covering motivation, context, and sometimes the scope decisions behind the project.
Not every UK dissertation requires a separate preface; many programmes fold this content into the acknowledgements or introduction instead, so it’s worth checking your department’s specific handbook guidance.
Length is typically brief, often under one page, focused on why the topic matters and who supported the work, rather than restating the research questions in detail.
Our PhD thesis help team can advise on formatting every front-matter section correctly, from the preface and abstract to acknowledgements and table of contents.


