The Belfast Telegraph revealed in May that Tottenham had won the race to sign the highly rated 16-year-old and the deal has now been made official.
Glentoran will receive a substantial fee and potential add-ons as part of the transfer that is a stunning opportunity for the son of former Northern Ireland international and ex-Glens boss Warren Feeney.
Feeney was also a target for a host of top flight English clubs including Brighton, Chelsea, Crystal Palace, West Ham, Everton and Sheffield United but Spurs have got their target.
The talented teenager is relishing this huge step in his promising career as he aims to kick on in north London.
“I chose Tottenham because they produce their players right, they play them up into the 21s and first team, the coaching staff are very good, they are a big club and I felt all of that was important,” Feeney told the Belfast Telegraph.
“Since we made the decision to join Tottenham, I’ve been wanting the days to go quicker and quicker so I could get over and get going.
“Now we are here. When I was a kid I dreamt of moments like this. I am determined to work hard and show everyone what I can do. I plan to run in behind as much as I can and score as many goals as I can and help the team.
“I want to try to get up to the 21s as quickly as possible. It will be tough but I will work hard to try and do it. I want to play for the Spurs first team. It’s a big club, it’s a big Premier League team with a great history and they have given me this chance and I want to play for them in the Premier League."
Glentoran have backed the teenager to thrive in London, with a spokesperson saying: “George is an exceptionally talented centre forward and we are immensely proud he has made the move to Tottenham.
“When George joined the Glentoran Academy at the age of 12 he was always one the most creative and skilful players amongst his peers. He quickly became noticed and successfully stepped up to the senior side because of his incredible skill on the ball and physical abilities.
“The family of Glentoran fans, players, staff and friends wish George all the best as he takes his next steps challenging for a place in the Premier League, the world’s greatest.
“We will miss you George, we know you can do it!”
Since debuting as a 15-year-old last September when his dad was manager, he has won plenty of admirers at the BetMcLean Oval.
He went on to became the youngest goalscorer ever for the club with a fine finish in a BetMcLean Cup triumph versus Dollingstown.
The Glentoran academy graduate scored one goal in his ten appearances for the east Belfast side.
Young Feeney has represented both Northern Ireland and Wales as he considers his international future.
His dad Warren won 46 caps, scored five international goals and enjoyed a lengthy playing career across the water before moving into management, while George’s grandad Warren Senior played for Northern Ireland in 1976 as a Glentoran player and George’s great grandfather Jimmy played twice for Ireland before the IFA/FAI divide.