Not for all abilities as they say. I had a bad experience in their short courses. They say they welcome beginners. It isn't the case especially in byzantine art, unless skilled.
I attended a beginners course in Islamic Art. Focused on floral illumination, calligraphy and geometry classes filled the day. Excellent tutors and a wonderful space to learn in. Learnt. A lot and enjoyed every minute. Have found out the conduct an number of short courses in an extensive range and styles of traditional art firm... and an MA 2 year course...what a great find and great experience.
Just did a gilding course with Christabel. Amazing teacher guiding me as a beginner to gild with success. This is my second time attending short course with PSTA. I will definitely enroll to my next short course when visiting London again.