I wonder how much plumbing job that allows me to do in my new construction. I want to put as many pipes myself to cut costs, but I'm not sure what is allowed. Does anyone have the answer please. After talking with others on the web, I found the answer. In a new construction project, the main drawback of self-installation is time. A plumber will have the experience to 'imagineer' whole system in his / her head, and quickly estimate how many of each component will be required. This is particularly useful if the designed system needs to be changed to accommodate other changes in generation. Even if you have a good idea of where everything goes, you will be at a disadvantage compared to a professional when plumbing work must integrate seamlessly with other stages of the construction schedule. If you are not familiar with plumbing, there are some very good books on DIY, but sometimes they may assume that you are using the standard fittings that may not be applicable to your project methods. There is no restriction on the amount of "wet" plumbing is allowed to do, but the work must comply with building regulations in order to comply with the standard inspection. Regs Building Cleaning denomination and 'Part H (drainage)', and 'G (hygiene) part' can get instructions on how to comply with the requirements of these from the link below ('Approved Documents "are not Building Regulations; .. That describe what kind of work are in accordance with the rules set out in the Regulations If you are interested in Regs themselves can also link through that through the planning portal) There different regulations governing Heating Appliances. This year it became illegal for anyone who is not qualified to connect any important domestic electricity supply permanent staff electrician. Has also been illegal for some time, to any person other than qualified installer to connect any gas equipment to gas-supply system CORGI. Nevertheless, it is very common that the craftsman to check, connect, and sign off road that has already met competently. This is a standard procedure and (should be) pretty cheap.
Shannon from showing how to cut copper pipes and copper tubes welded together with an elbow joint.