Cowlairs Locomotive, Carriage and Wagon Works, at Cowlairs in Springburn, an area in the north-east of Glasgow, Scotland, was built in 1841 for the Edinburgh and Glasgow Railway and was taken over by the North British Railway (NBR) in 1865. It was named after the nearby mansion of Cowlairs, with both locomotive and carriage & wagon works. It was also the first works in Britain to build locomotives, carriages and wagons in the same place. It was located on the western side of the Glasgow-Edinburgh mainline at Carlisle Street.