2 years Bachelers + 2 Years Masters an I eligible ?

Hi There,
I am an British citizen , living and working in UK for over 5 years. I wanted to apply for admission to MSc in Finance . This will be a 1 year full time MSc.
I already have 4 years of university education which was completed abroad .
My qualifications are :
- 2 Years Bachelors degree in Commerce
followed by
- 2 Years Masters degree in Commerce
My qualifications are considered equivalent to a 4 year UK undergraduate degree according to the admissions office considering my admission for a Masters degree in UK University.
So basically I already hold a Masters degree but this degree is actually not considered equivalent to a UK masters degree
I have never applied for student loan before.
Please could someone advise if I would be eligible for a Postgraduate student loan ?
Much Appreciated
Hajra