Bathiya Jayakody was born to a military family. His father was late Maj. Gen. Nihal Jayakody and mother Mohini Jayakody. His singing abilities come from his mother’s side. His maternal grandmother Somi Singhika Basnayake who hailed from Hillwood College, Kandy, was in the college choir and his mother a classically trained pianist and a piano tutor. Bathiya started classical piano music from the age of seven and continued to excel in music throughout his school career.
He started his education in Holloway Primary School in India and upon return in 1984, he entered Isipathana College, Colombo for a brief period. In 1988, he joined Ananda College, Colombo,[6] where he later held the position of Deputy Head Prefect in 1995 and was decorated as a President Scout of the Scout Troop in 1994. After his secondary education at Ananda College, he completed his degree and obtained BSc (Hon) Business from the Manchester Metropolitan University, UK.
While studying western classical music privately, Bathiya was a member of the first Ananda College Senior Brass Band where he played the alto saxophone and occasionally filled in for the percussion section. He was also a pianist with the western music society. He was a founding member and a lead vocalist of the school band. Winning many awards at inter school competitions, Bathiya soon became a known figure in the school's music circuit as a college musician during the mid-90s. He later started learning the music technology with the Sri Lankan music artist Dilup Gabadamudalige. He also joined the Marry Anne Singers Colombo and studied opera, jazz and Broadway singing under the Mary Anne David School of Vocal Music. During the late 90s, Bathiya worked as a freelance vocalist singing for radio jingles and commercials together with Ranga Dassanayake. During this period, Bathiya Jayakody and Santhush Weeraman collaborated on a few projects, which led to the formation of BnS.