The Delay Cost Sensitivity Index quantifies the financial impact of construction delays on a property development project. It is calculated by analysing how additional time on-site increases direct and indirect costs, including labour, materials, and financing charges. UK property developers use this index to stress-test project budgets and assess resilience under different delay scenarios. In property development finance UK, understanding this index helps lenders and developers evaluate risk exposure, set appropriate contingency reserves, and make informed decisions on project timing, cost management, and funding arrangements. Accurate measurement supports robust financial planning.
This sits beneath Construction & Delivery Risk, introducing a more specific variant of the measure without changing its core interpretation. It is commonly considered alongside Programme Overrun Tolerance, as both are closely related measures used to assess similar aspects of performance or risk. In funding terms, Delay Cost Sensitivity Index is most commonly encountered in connection with Hurdle IRR Share within the property development capital stack.
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