Philippa
Folkworks, based at the Sage Music Centre Gateshead runs a summer school (not a festival) in Durham 9-14th August 2011.

http://www.thesagegateshead.org/l_and_p/joinin/adultprogramme.aspx

The application form is more informative than the brochure (which mixes up the youth and adult programmes unhelpfully).

northernmunkeh