A method of providing a real estate property value estimate for a subject property through the use of an automated value model, where the method comprises : identifying known data concerning the subject property, determining whether the known data is sufficient to allow an automated valuation model to return a provisional value estimate for the subject property, in the event that the known data is not sufficient, then performing research required to identify sufficient known data and to identify relevant comparable properties, sufficient to enable the automated valuation model to return a reliable value estimate, and validating the existence of the subject property by physically examining it via an inspection.