The Open University management have been relatively quiet about the effects of Brexit on the university although a statement was released on March 30th - https://msds.open.ac.uk/tutorhome/news-messages-unified.aspx#ns1
It seems that the process is beginning to do immense damage to the British university sector (and, as far as I can tell, the whole economy). The following story of job losses at universities in South Wales seems to reflect broader trends:
http://www.walesonline.co.uk/news/education/university-announces-139-job-losses-12820580