The Subcontractor Market Coverage Index is a weighted measure used in UK property development finance to assess the availability and robustness of subcontractors within a particular project or local market. It evaluates the capacity, competition, and reliability of key trades essential to construction delivery. A high index indicates strong subcontractor presence and lower risk of delays or cost increases, while a low score highlights potential supply chain challenges. Developers, lenders, and investors use this index to stress-test schemes and understand project resilience, helping to manage risks linked to the construction supply market.
This sits beneath Scenario-Based Outputs, introducing a more specific variant of the measure without changing its core interpretation. It is commonly considered alongside Main Contractor Engagement Timing (Pre-Planning vs Post-Planning), as both are closely related measures used to assess similar aspects of performance or risk.
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