you shouldnt come across any problems at all mate, there should be a timber or concrete lintel above the frame to support the brickwork above so that wont be a problem.
let me know how it goes and if you get any problems feel free to ask me for any help.
This is a very tedious procedure to remove the internal door frame, for that work we need to take more care. We have to provide support to the brick before remove the internal structure of the door.
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!