I think I know what you mean.
my short answer is, try your local chapter of Mind. Ask for a one off appointment with a counsellor or support worker: Most Mind chapters and indeed other mental health charities offer this.
Then ask for the charity and the counsellor to contact your GP on your behalf. they will usually do this by letter as well as on the phone.
This will more than likely ensure that you get some help.
Otherwise, I think you should consider changing your GP, this is because many GP surgeries now offer talking therapies under the iapt Increased access to psychological therapies scheme.
if yours does not, then they are shamefully out of date.
wishing you well