AWA - the problem is that the instructor's rota is such that a duty FI will only attend the same weekend day every fortnight. Consistency could be a problem. There are other instructors who may be able to do every weeek but its difficult to get this information. Their voluntary nature does detract somewhat from being well-run, e.g. compared to WA however I have seen poorly run fully-commercial schools! But as I said, you get what you pay for. If you can forego £20/hr...