If you are a handyman and can DIY, then you may buy plywood and laminate formica sheet for the table top.
10+ years ago, I DIY a 2.5m long computer table with drawers for my study room and it is still serving me well now. Total spent was less than $200. Bought the plywood, formica sheet and necessary parts all in a shop at Kranji. Then I used one of my empty room to slowly DIY the table and drawers.
But if don't like to mess up your house or can't DIY, then you should simply ask carpenter to do it, the design shouldn't be too complicated. Just let the carpenter take measurement, tell him what you want and then leave the rest to the carpenter.