At this stage, the estate is the owner of the home. As Executor she has a duty to protect the assets. Hence, technically she can forbid entry. This said, if all of the siblings are fixing the house up for sale. It would appear to be self defeating, since the better shape the house is in for sale, the better the return on the sell price. The "locked out" siblings can refuse to assist in the home improvements as leverage.
Answered on Jul 10th, 2013 at 2:51 PM