The 2012 London Summer Games marked Andrew Checuti's début in the quadrennial competition. He was the youngest male athlete on the national team, at age 19. Andrew Chetcuti qualified for the Games after being issued with a universality place from swimming's world governing body FINA after his fastest time of 51.98 seconds, set at the 2011 Games of the Small States of Europe, was 0.95 seconds slower "B" qualifying standard for his event, the men's 100 metre freestyle. He spent time in Dubai and South Africa preparing for the Games. Andrew Chetcuti said it would be "the best experience of my life so far" and that he would attempt to enjoy competing in the Games. The swimmer revealed that he would attempt to record a new personal best time. He participated in the third heat on 31 July, finishing third out of eight swimmers, with a time of 51.67 seconds. Andrew Chetcuti's time was a new Maltese national record. He finished 39th out of 56 competitors overall, and was unable to advance beyond the first round because he was 2.68 seconds slower than the slowest athlete who progressed to the later stages. After the event Andrew Chetcuti said he was happy with the achievement but hoped to go faster.