There are women's refuges, so yes they are offered places of safety. Obviously, police forces vary in their willingness to act to protect vulnerable women, that does need to be dealt with.
Police protection for pedophiles is a totally different issue. It's not just for the benefit of the person concerned, but it's about maintaining public order, which is important for all of us, as when mob violence is invited, innocent people can be caught in the crossfire.
Speaking as a parent now, I would prefer these people were in safe houses where they can be carefully monitored rather than disappearing underground and becoming even more of a danger to children.