Thanks for all your replies. All window and door apertures on the garage and house look the same.
What you see in line with the brickwork is render, I don't know what lurks behind and whether it spans further than the openings.
You are right, the garage used to have wooden windows.
What you see in line with the brickwork is render, I don't know what lurks behind and whether it spans further than the openings.
You are right, the garage used to have wooden windows.