Chelsea manager Jose Mourinho insists John Terry's 12-month contract extension is not a sentimental gesture after the club confirmed their captain's new deal on Thursday. The 34-year-old central defender has penned fresh terms, worth in the region of £150,000 per week, which expire at the end of next season after another sterling campaign for the Stamford Bridge club. The new deal does not include an option for a further year, but the Barclays Premier League leaders will provide Terry with another extension next season if he continues to play regularly. Chelsea captain John Terry has signed a new contract keeping him at the club until the end of next season . The Blues centre back has signed a new contract worth £150,000 - the same terms as his previous deal . Terry has made 661 appearances for Chelsea in an illustrious 17-year career at Stamford Bridge . Mourinho said earlier this year that there would be no issues regarding a new deal for Terry, and the Portuguese proved true to his word after Chelsea announced the news on Thursday. Mourinho said: 'This new contract is not to say, "Thank you very much". It is because John continues to perform. He is a top defender. I am happy that he completely deserves this new contract after a season where he has already played 40 matches.' Terry, who has made 661 appearances for Chelsea since making his debut in 1998 — scoring a club-record 63 goals for a defender — is on course to secure his fourth Premier League title this season to add to the success in the Capital One Cup earlier this month. He said: 'I'm delighted to have signed an extension to my contract with Chelsea. 'After adding another major trophy to my collection this month I hope myself, the players and manager can continue to bring success to our club. Terry has won 13 major honours at Stamford Bridge since making his debut at the club in 1998 . The 34-year-old will be hoping to add to that tally of silverware with the Premier League title this season . Chelsea boss Jose Mourinho celebrates winning the Capital One Cup earlier this month with Terry . 'Playing for this great club makes me so proud. And as always I would like to thank the fans who have continually supported me.' Terry's big-money new deal is a far cry from his days as a trainee. He revealed he used to warm the toilet seat for senior professionals during his time in the academy. 'I'd do anything for them,' Terry said. 'I'd make their teas and coffees, even silly things like sit on the toilet to make the seat warm for them in the cold winter days at the training ground. 'It's bizarre when you think about it but that was part of growing up.' After signing the new deal Terry hopes to stay at Chelsea for some time to come. Terry appeared to be being phased out at Chelsea under Mourinho's predecessor Rafael Benitez . The Blues defender  has since been revitalised since Mourinho returned at the start of last season . Terry told Chelsea TV: 'It's been a great couple of years for me. My form has been good and I've earned the contract, so I'm delighted to stay for another year. And hopefully there could be a few more years after this.' The central defender, who has retired from England duty, lifted the Capital One Cup with Chelsea on March 1 - his 13th major honour with the Blues - and hopes to add the Premier League title. Chelsea entered the international break with a six-point advantage over nearest rivals Manchester City and with a game in hand. As well as three Premier League titles - Terry has won the Champions League with Chelsea . 'Hopefully there's many more (trophies),' Terry added. 'That's a massive part of why I'm staying. I want to win trophies. I want to remain in the side, of course, and for me to get to 14 (trophies), 15, that's my target. 'We're very close at the moment. We still need to get over the line. It's going to be tough. The Hull game (a 3-2 win last weekend) showed how tough it's going to be. 'To get that big one at the end of the season would be fantastic. Then we can regroup and go again next year. I'm delighted to be here and hopefully there's going to be many more.'
John Terry has made 661 appearances for Chelsea in an illustrious career . The 34-year-old has won 13 honours with the Blues during his 17 years . Terry's existing deal was set to expire at the end of this season . READ: Why a young Terry had to warm up the toilet seat for Dennis Wise . CLICK HERE for all the latest Chelsea news .