Combined monthly income of all applicants

this question that is asked for tenants is it gross or net pay?

Most landlords will ask for three and half gross pay. This is not a good indicator of a tenants ability to pay .There will be deductions by the employer for income tax , national insurance , pensions etc. Then a prospective renter may have a car on finance, has to pay council tax , gas , electric, transport costs, .No doubt you can think of more. Some prudent questions will determine if all will be ok