The cost of Xanax rehab in the UK can vary depending on the duration of the treatment programme. The most common duration is 28 days and can cost up to £5,950. However, some programmes can last up to 12 weeks with a cost of £11,999. Clients also have the option of paying for Xanax rehab through insurance, which can help cover part or all of the costs. Additionally, financial support from family and friends or paying with credit cards are other common methods of seeking funding for Xanax rehab.