If you don't want to waste a year, these are the double degrees which currently exist:
Bachelor of Aerospace Engineering and Bachelor of Laws
Bachelor of Arts and Bachelor of Laws
Bachelor of Biomedical Science and Bachelor of Laws
Bachelor of Business (Banking and Finance) and Bachelor of Laws
Bachelor of Commerce and Bachelor of Laws
Bachelor of Engineering and Bachelor of Laws
Bachelor of Medicine/ Bachelor of Surgery and Bachelor of Laws
Bachelor of Music and Bachelor of Laws
Bachelor of Performing Arts and Bachelor of Laws
Bachelor of Science and Bachelor of Laws
Pick one you're interested in and do the non-law degree.
For example, you could
The subjects you did in your first year would then not go to waste - you'd technically become a second year business student but first year law.
Most people transfer into law via that route if they didn't get a high enough ENTER, because you don't waste a year that way.