In UK property development finance, an interest rate cap or floor is a contractual limit that protects borrowers from excessive fluctuations in variable interest rates during the loan term. A cap sets the highest rate payable, shielding developers from rising costs, while a floor establishes a minimum rate, ensuring lenders receive a baseline return. The risk margin refers to the cost or premium charged for these arrangements, which act as financial hedges against interest rate volatility. Using caps and floors helps developers manage financing risks, enabling more predictable budgeting and stronger control over project costs.
This sits beneath Hedging & Interest Rate Risk Metrics, introducing a more specific variant of the measure without changing its core interpretation. It is commonly considered alongside Hedge Cost Amortised Rate, as both are closely related measures used to assess similar aspects of performance or risk.
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