There are many questions a householder needs to ask themselves about the work team they’re employing to do up their property, and bathrooms in particular. Does one of them have the relevant technical experience? does he need qualifications? These are all things that could matter greatly if there’s a mishap. Newly qualified trainees can do some electrical installation work after completing a domestic electrician course. This might include extending or just altering existing circuits but not installing completely new circuits, change any consumer units or do any work within a bathroom or washroom. The latter requires such work to be certified under Part P of current building regulations. For a workman to certify his own work on these latter would require him to either work with a local building cntroller or join a Government Approved Part P scheme provider. Checking what is the legal limit of your team’s certifiable expertise is crucial and well worth the effort.