In 1989, the first 'Steam on the Met' event took place, and London Underground, hired British Rail coaching stock for the excursions.

The two coaches bought in the late 1980s were initially painted in red, white and blue of LUL.

[1][2] After the acquisition of more coaches in 1992, all vehicles were painted in the maroon livery of the Metropolitan Railway.

The Mark 2 vehicles and one four-car trailer set have been sold for preservation, and the rest remained advertised for sale.

However, after the refurbishment of 'Sarah Siddons' by Metronet in 2007, the remaining coaching stock is now being used on occasional specials with the Met loco.