 In 1925 the GWR added a locomotive repair and lifting shed and a new coaling stage.In 1931 the original -turntable was removed and replaced by a larger -diameter one at the west end of the yard.At this time, around the peak of GWR operation, the depot had allocated 50 main line passenger locomotives, 40 heavy goods/mineral locomotives and 30 smaller local passenger/goods and shunting locomotives.