Peter Richardson Looking to minimise inheritance tax? Planning to minimise Inheritance Tax (IHT) is something that many of us put off until it is too late. IHT is charged on a person’s estate when they die and on certain gifts made during their lifetime. The rate of tax on death is 40%. Looking to minimise inheritance tax? Planning to minimise Inheritance Tax (IHT) is something that many of us put off until it is too late. IHT is charged on a person’s estate when they die and on certain gifts made during their lifetime. The rate of tax on death is 40%.