Borrower insurance

Insurance surcharge

By the CourtImmo editorial team
Brokerage expert preparing professional guidance on the French mortgage market

An insurance surcharge is a premium loading applied by the insurer when a borrower's profile presents above-average risk — most commonly due to health conditions, hazardous occupations, or high-risk sports. It reflects the actuarial extra cost the insurer estimates for covering that specific profile.

Key points

  • A surcharge may apply to one or more guarantees (death, disability, temporary work incapacity).
  • It is expressed as additional rate points or as a percentage of the insured capital.
  • Certain elevated health risks benefit from a mediation scheme (the AERAS convention).
  • The Lemoine Act eliminated the medical questionnaire for loans below a certain capital and duration threshold.
  • An insurance broker may negotiate or circumvent a surcharge by sourcing a more specialized insurer.

Frequently asked questions

How is a borrower-insurance surcharge calculated?

The insurer evaluates the additional risk using medical or professional information provided during underwriting, then increases the base rate by a number of points defined by its internal actuarial tables. The final amount depends on the severity of the identified risk and the loan term.

What can I do if the surcharge I am quoted seems too high?

Several options exist: challenge the decision by providing additional medical documentation, approach another insurer specializing in elevated risks, or activate the AERAS scheme if the surcharge or refusal relates to a serious health condition. A specialist insurance broker can guide these steps and identify the most competitive insurers for the specific risk.

What is the difference between a surcharge and a cover exclusion?

A surcharge means the insurer agrees to cover the risk but at a higher premium to reflect the greater probability of a claim. A cover exclusion means the insurer refuses to cover that specific risk at all, regardless of the premium. A surcharge therefore preserves coverage, whereas an exclusion removes it.

In practice

Thomas, a well-controlled type-2 diabetic, is quoted an 80% surcharge on his temporary work incapacity guarantee by his bank's group insurer. His broker approaches two specialist insurers and secures a surcharge of only 30% under identical conditions, significantly reducing the total cost of his insurance.

Put it into practice with CourtImmo

See how CourtImmo software helps brokers on this topic:

Official sources

Looking for a mortgage for your project?Get matched with a broker
Brokerage expert preparing professional guidance on the French mortgage market

Business expertise

Resources designed to be used, not merely read

Guides, analysis and expert sessions turn broker intelligence into concrete decisions.