How much is probate in Western Australia? Probate fees vary depending on the size and complexity of the estate but typically range from $2,000 to $5,000. In addition to solicitor’s fees, there are also fees for filing the application, which is set by the Probate Court of Western Australia. These fees are currently $370.00. As a result, the total cost of probate in Western Australia can be quite expensive. However, it is important to note that these costs are typically paid out of the deceased person’s estate, so they will not have to be borne by the beneficiaries.