The 19-year-old entered at the top with his debut release, knocking Plan B's iLL Manors down to number two.
Emeli Sandé climbs up five places to three with Our Version of Events, while Maroon 5 fall one to four with Overexposed.
Delilah scores a debut top five album with From the Roots Up at five.
Olympics Opening Ceremony performer Mike Oldfield enters at six with his Two Sides compilation.
Rihanna drops two to five with Talk That Talk, while Rick Ross's fifth studio album God Forgives, I Don't lands at eight.
Long runners from Ed Sheeran (+) and Adele (21) complete the Top 10.
Amy Macdonald rises 11 spots to 20 with Life in a Beautiful Light, while Justin Bieber climbs back up 17 places to 24 with Believe.
Watch the video for Conor Maynard's 'Vegas Girl' below:
Source: Official Charts Company
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