You can choose the subject combinations and complete 15 credit hours in 3 years. If you select an ordinary degree, you should clear all the chosen subjects to get a degree.
Upper Second Class is the minimum requirement of the employers. You need to score 60-69% to achieve this 2nd highest degree in the undergraduate honors program.
If you score between 50-59%, then you will get this lower second-class degree. However, this degree is not helpful to find a job for a lifetime. However, it is hard but not impossible.
If you score between 40-49%, you will achieve a third-class degree. Although it means you have cleared your honors degree, your employability chances have been reduced.
If you score below 40%, you have failed your honors degree. Based on the university, you may get an ordinary degree, or you may have to retake your subjects.
The grading system in UK is unique and requires the students to work hard and pursue good scores to build their future in the country. Work hard to score well and build a bright future.