Most insurance policies pay a policyholder (or carry out the works) up to a set financial limit. This is called the sum-insured and represents the maximum value of your policy. Choosing the right sum-insured for your property and contents is important. Should the worst happen and you have undervalued your assets, you may not have enough financial capacity to rebuild or replace all of your belongings (or the insurer may invoke the underinsurance clause and only pay a portion of your claim). Web calculators that reference current building and replacement costs play an important part in helping you decide the sum-insured.