Ticket Concentration HHI, or Herfindahl-Hirschman Index, is a measure used in property development finance UK to assess the concentration of individual funding tickets within a project’s capital structure. A higher HHI indicates that one or a small number of lenders or investors hold a dominant share of the capital, which may increase risk exposure if those parties withdraw or adjust terms. A lower HHI reflects a more diversified base of funding tickets, reducing reliance on any single capital provider. Developers, funders and advisors use Ticket Concentration HHI to evaluate stability, competition and balance in capital sourcing.
This sits beneath Capital Source Concentration, introducing a more specific variant of the measure without changing its core interpretation. It is commonly considered alongside Top-3 Funders Share %, as both are closely related measures used to assess similar aspects of performance or risk. In funding terms, Ticket Concentration HHI is most commonly encountered in connection with Platform Lending (Peer-to-Peer) within the property development capital stack.
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