Yes, it's possible to book the course without accommodation for most courses. If that option is not listed on the website please contact us. We will change your application.
Please be sure to have a place to stay during the summer school period, finding affordable accommodation in Utrecht and surroundings is no simple feat. Owner-occupied houses are expensive, rents on the private market are rather high and you have to be on a waiting list for a few years before qualifying for social housing.