An in depth database covering UK retail property since 1990:

essential facts and figures at your finger tips 
locate a retail unit - search by Street, Town, area size, etc 
view original property particulars as issued by the Agent 
create a Portfolio for a particular Town or Agent 
carry out historical analysis and rent reviews 
search for auction details or investment details 
set up an 'Alert' which notifies you when a property matching your criteria is added to the database