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🏘️ '''Mortgage indemnity guarantee''' is a type of [[Definition:Insurance | insurance]] policy — historically prevalent in the United Kingdom — designed to protect a [[Definition:Mortgage | mortgage]] lender against loss when a borrower defaults on a high [[Definition:Loan-to-value ratio | loan-to-value (LTV)]] home loan and the sale of the repossessed property does not fully recover the outstanding debt. Functionally similar to [[Definition:Lenders mortgage insurance | lenders mortgage insurance]] in Australia and [[Definition:Private mortgage insurance (PMI) | private mortgage insurance]] in the United States, the product transfers the lender's shortfall risk to an insurer, enabling the lender to approve loans that would otherwise exceed its risk appetite. In the UK, the product became a source of significant consumer controversy because borrowers were typically required to pay the [[Definition:Premium | premium]] — sometimes amounting to thousands of pounds — despite the policy offering no protection to them whatsoever.

🔍 The product operated in a straightforward manner. When a borrower sought a mortgage with a high LTV ratio — often above 75% or 80% — the lender would require a mortgage indemnity guarantee as a condition of the loan. The borrower paid the one-off premium at completion, either upfront or by adding it to the loan balance. If the borrower later defaulted and the property was sold at a loss, the insurer would compensate the lender for the shortfall between the sale proceeds and the outstanding loan balance. Crucially, the insurer then retained [[Definition:Subrogation | subrogation]] rights and could — and often did — pursue the borrower for the amount it had paid out to the lender. This meant borrowers paid for a policy that could ultimately be used against them, a feature that attracted widespread criticism from consumer advocates and eventually led many UK lenders to abandon the product or absorb the cost themselves.

📉 The decline of the mortgage indemnity guarantee in the UK during the late 1990s and 2000s reflected a broader shift in lender risk management and competitive dynamics. As lenders competed for market share, many chose to self-insure or price the [[Definition:Credit risk | credit risk]] of high-LTV lending directly into their [[Definition:Interest rate | interest rates]] and [[Definition:Fee | fee]] structures rather than passing a visible — and unpopular — insurance charge to borrowers. Regulatory pressure and media scrutiny of the product's one-sided nature accelerated its disappearance from the mainstream UK market. However, the underlying risk it addressed has not vanished; lenders continue to manage high-LTV exposure through internal [[Definition:Capital allocation | capital allocation]], [[Definition:Securitization | securitization]] of mortgage portfolios, and in some cases private arrangements with [[Definition:Insurance carrier | insurers]]. In other jurisdictions, equivalent products remain standard market features, underscoring that the concept is sound even if the UK's particular implementation fell out of favor.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Lenders mortgage insurance]]
* [[Definition:Private mortgage insurance (PMI)]]
* [[Definition:Subrogation]]
* [[Definition:Loan-to-value ratio]]
* [[Definition:Credit risk]]
* [[Definition:Mortgage guarantee insurance]]
{{Div col end}}

Definition:Mortgage indemnity guarantee - Revision history

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