The Passport Office has been increasing numbers of staff and working "longer hours, more days of the week" to tackle a substantial increase in applications, Home Secretary Theresa May has said.
Speaking to reporters, Ms May announced that more staff and resources will be assigned to the service to deal with current backlogs.
The Home Office has outlined how people who are facing delays to their passport renewal can get it fast-tracked for free.
If you are worried about your passport application not being ready ahead of your holidays, there are a few options available to you.
Photos shown to ITV News appear to reveal the scale of the backlog at the Passport Office, amid staff claims of "blind panic".