You can access CBT Therapy through the NHS which is free at the point of use. Please see the link below for more information;

https://www.nhs.uk/mental-health/talking-therapies-medicine-treatments/talking-therapies-and-counselling/nhs-talking-therapies/

Other services which may be helpful are listed below;

https://www.mind.org.uk/

https://www.qwell.io/

https://www.samaritans.org/