This would be "Ware Out Mother". It's in Tish Stubbs "the English Folksinger" but only the chorus, I have a version sung by Charley Yarwood which I can post tomorrow. I think he made a lot of it up though so I won't swear as to it's being original

It tells of a girl who falls for a navvy, gets locked up by her mother, is rescued by the navvy blowing up the cellar wall and ends happily?!