One of the reasons 749 and partner 69 have taken a while to enter service is they guys at Downpatrick have been doing a full interior restoration.

The took restored the original wood formica finish and found similar flooring material, the bottom image is as it arrived and even though serviceable it wasn't up to their standards

above and below is the same vehicle resplendent in original livery at Downpatrick and stored in York Road Depot

80 Class

Driving Trailer 749