Collocations for valuation - noun

high, low
detailed
independent
current
actuarial (finance)
market
land, mortgage, property
asset, equity, share, stock

carry out (esp. BrE), do, make, prepare (esp. BrE)
get
base
The valuation was based on earnings forecasts for the company in 2008.

fee, report (both BrE)
method, technique