A PhD by prior publication/portfolio will typically take one year. The award allows people who have not followed the traditional academic route towards a PhD to obtain academic recognition for having undertaken and produced research, and developed their research skills and subject knowledge to doctoral level.
This may include people entering higher education in mid-career, especially in practice-based disciplines.
Word length for the PhD thesis varies according to discipline, it will include substantial published work and an introductory section of about 10,000 words. On completion it will be the subject of an oral examination, in which you will show how you have: