GE have IY opportunities with deadline 2nd April, including Data Science, Information Technology, Digital Technology, and Software Engineering:
https://jobs.gecareers.com/ListJobs/All/Search/All-Countries/United%20Kingdom/Experience-Level/Co-op-Intern/keyword/placement

An unusual Computer Science placement working for the Game and Wildlife  Conservation Trust. It’s unpaid but includes accommodation and a stipend of £100 per week. Deadline 15th March.
https://www.gwct.org.uk/about/student-opportunities/undergraduates/