2.2 Departments need to know that the price they contract to pay for a construction related project will be the price that they actually pay. Price certainty enables departments to plan procurements effectively and to maintain the value for money they expect to achieve when letting contracts. The results of our census showed that departments were obtaining a high level of price certainty under PFI contracts, and there was little change in the payments as a result of construction related changes (Figure 2).