Pat Cash believes Andy Murray has what it takes to become the first Brit since Fred Perry to win a grand slam.

Australian Cash, who won the title in 1987, admits he would be "surprised" if the young Scot did not win a grand slam at some point and believes the home advantage of Wimbledon represents his best opportunity.

World number four Murray, 21, reached the quarter-finals in London last year and only lost to eventual champion Rafael Nadal in the last eight.

While he has yet to go all the way, Cash believes Murray can finally deliver after previous British number ones Tim Henman and Greg Rusedski came up short.

Cash told PA Sport: "I'd be surprised if he didn't win a grand slam, for sure. You never know with injuries but, if it all goes to plan physically, I'd be surprised if he didn't do it in the next couple of years.

"It is a huge advantage at Wimbledon to have all of that crowd cheering for you - give me that any day over the crowd cheering against you!

"He is getting close already to a grand slam and Wimbledon will be an extra boost with the home crowd."

Rusedski was a US Open runner-up while Henman was a semi-finalist at three of the four majors, but Cash firmly believes Murray can finally answer the call of British tennis fans.

"I think most of those guys had just about everything but didn't quite have everything - and Andy does," the Australian continued.

"He's mentally tough, physically tough, he's very quick, he's got the game, technique and know-how around the court.

"Most of the other guys - Henman, Rusedski, even guys like Jeremy Bates, who was a top-30 player - they had almost everything but didn't quite have the full package. And that is the difference, Andy has everything and he continues to develop."

Murray is known for his aggressive streak, but Cash believes nastiness is not an essential element.

"I don't think you necessarily need it but I think it helps to have some fire in the belly," he added.

"Some of the nicest guys in the world are champions but the majority of champions have got some real aggression and fire in the belly. If you go out there and you compete day in, day out, it's not easy."