Three value estimate methods are widely recogonised. The most widely used method, establishes value through adjustments to comparable sales.This method is used commonly in residential sales.

The cost approach arrives at value estimate by identifying site value land then developing replacement costs and insome instances reproduction cost. This method is used when dealing with special purpose structures and small or slow markets where few comparable sales available.

The income approach is commonly used for income producing properties. Valuation is based on income capitaliation.