There's no fixed timescale for Probate — it typically takes anywhere from a few months to around a year, depending on the size and complexity of the estate.
Estates that include property, multiple accounts and investments, or where Inheritance Tax is due, generally take longer than simpler, smaller estates, since more has to be valued, reported and settled before anything can be distributed.
Andy can give you a realistic estimate once he understands the specifics of the estate you're dealing with.
Want to talk this through for your own circumstances?