In UK there are some universities which offers BS course in CSE which is essentially the BTech but in UK the BTech degree isn't used. The degree offered in engineering in most of the top university of UK are B.Eng or BE.

To know more about the Engineering in Uk visit the link below:

https://studyabroad.careers360.com/articles/engineering-in-uk-how-much-does-it-cost

I hope this answer helps. All the very best for your future endeavors!