Mark - the legal ownership, not share, passed to Roy to deal with on the death of Barbara. The legal ownership is always dealt with as a whole. It's the beneficial ownership that can be divided into shares
When Roy dies the legal ownership forms part of his estate and probate is required
Barbara's name dooes not need to be removed before the executors deal with the property. Any application to update the register should include a certified copy of her death certificate to confirm Barbara's death and her pre-deceasing Roy
Steps 1 and 2 are not strictly necessary. The executors can deal with the property and transfer it direct to the new owners as appropriate -
HMLR Guide Page · HM Land Registry
Land registration is complex, designed to protect legal and financial interests in property. There can be significant consequences for any error. Please consider seeking legal representation. Before making an application without legal representation, it is important to
consider the benefits of using a conveyancer.