We do sometimes admit students who might not meet the minimum entry requirements. This is usually in cases where applicants have practical experience that makes up for falling short of the minimum entry requirements.
Our office cannot make this decision - this is entirely up to the admitting department to decide if they would like to accept an application from you.
If this is your circumstance, please e-mail the relevant department to ask if they would consider an application from you, before you apply. You might need to attach a CV or a covering letter to your e-mail to detail why you think you should be considered.
You can find contact details for each department here Departments | Postgraduate Admissions (cam.ac.uk) or on the right-hand side of the course page in our course prospectus here Course Directory | Postgraduate Admissions (cam.ac.uk)