If probate of will is required in case of coowned property

Me and my father owned a property .I was the co owner of the property.The agreement of property had both our names.Post my father's death there was a will in place which stated after him his share of the property goes to me so i become the full owner of the property.The tax receipt,electricity bill ,share certificate and all required property documents are already in my name..Will i have to make a probate of a will as well to make a release deed for me to change the title of the property completly in my name..since I have a registered will with me giving me rights to the cowowed property.Can some one please let me also know the time required to make a release deed and the total cost of same