My plumbing experience was to have the plumbing disconnected under the sink so the counter top and new sink could be installed. I thought the service of $ was high, but usually if there is an additional fees, it is usually rolled into the cost of repairs or labor..The plumbing inside of your home is one of its most vital components. It needs to be functioning properly in order for you to cook, clean, .Number of Stories. Another factor for the cost of piping is the amount of stories in your home. The higher that the plumber needs to work, then the higher the pipe installation costs..Bathroom Plumbing Installation Repair Costs and Charges. Calculate Plumber’s labour charges for installation, fitting’s or repair by adding the total unit costs of the required jobs from the table below..