Stamp duty concessions

My widowed sister and I purchased a flat in 1983 of 560 sq. ft with contributions from both and the property is registered in both our names. Now I would like to settle this property in favour of my sister. Can I avail concessional tariff of stamp duty to settle this property in favour of my sister? I am a bachelor and as such there are no direct claimants in my case. Parents are not alive.