The best way to learn is to do.
Learn to build a roundhouse studio with roundwood skeleton, straw bale infill walls, cob and cord-wood, mud & lime render, local sheep-wool insulation, living green roof with roundwood reciprocal frame, and reclaimed windows. Experience communal building and owner-built sustainable construction practices.
£140 including camping. These fees are set low - you will be doing plenty of physical work! Food: £60 (or £6 a day) 10-15 places. Concessions for those using public transport.