NEC4 · ECC Option C 11.2(24)
Defined Cost
Under Options C to E, the Contractor's costs that the Schedule of Cost Components allows, minus any Disallowed Cost. Options A and B use the Short Schedule instead.
“the cost of the components in the Schedule of Cost Components less Disallowed Cost” (11.2(24))
On the Aldermere project
Dana's check of the four weeks to 29 June 2026 found Defined Cost of GBP 600,000 after Disallowed Cost of GBP 10,000.
Where you meet it
- Module 2: Before you sign: the Contract DataPractitioner Course
- Module 3: How Option C pays youPractitioner Course
- Module 4: Communications and the period for replyPractitioner Course
- Module 5: Early warningsPractitioner Course
- Module 9: Compensation events: quotations, assessment and implementationPractitioner Course
- Module 11: Defined Cost, the Schedule of Cost Components and Disallowed CostPractitioner Course
- Module 0: Key terms and the money mapPayment and Defined Cost · Free
- Module 1: How the ECC paysPayment and Defined Cost · Free
- Module 4: Defined Cost, the Fee and the Schedule of Cost ComponentsPayment and Defined Cost
- Module 5: PeoplePayment and Defined Cost
- Module 10: Disallowed Cost, ground by groundPayment and Defined Cost
- Module 11: Records, audits and clawbackPayment and Defined Cost
- Module 9: Compensation events: assessment and proofCase Law
- Module 7: Valuing changeNEC4 vs FIDIC 2017
- Module 3: The main Options: how the Contractor is paidContract Preparation
- Module 9: Tender assessment and subcontractsContract Preparation
- Module 10: The tenderer's viewContract Preparation