It will be part of a combined vaccine: the five-in-one will become the six-in-one.
www.gov.uk/government/uploads/system/uploads/attachment_data/file/608537/Vaccine_Update_261_April_2017_.pdf
Seems like this is being done pretty quietly, with only a mention in Vaccine Update so far, possibly because of the controversy it tends to attract, although there are good reasons for introducing it:
www.chop.edu/centers-programs/vaccine-education-center/vaccine-details/vaccine-hepatitis-b-vaccine