Take a look at the entry requirements for the courses and apprenticeships you may want to apply for.
For example a quick look on Imperial's site for Software Engineering shows:
Minimum entry standards:
Our minimum entry standard for 2022 entry is A*A*A – A*AAA overall, to include:
A* in Mathematics
A* A in two other recommended or useful subjects
ICT, Business Studies, General Studies and Critical Thinking are not accepted.
Recommended subjects:
Computer Science
Further Mathematics
Physics
Useful subjects:
Ancient Language
Biology
Chemistry
Economics
Electronics
English Literature
History
Languages
Law
Philosophy
Politics
Psychology
Even if university isn't your first choice it is probably a good indication of the preferred subjects.