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A plumbing system refers to the pipes and fixtures installed in premises/buildings. There are two types of plumbing systems in all facilities: one caters to the supply of drinking water, while the other takes care of the disposal of used water. Types of plumbing works are:
Water service plumbing works refer to the laying, installation, alteration, repair or replacement of water pipes, tanks, taps and fittings in the drinking water supply system, for the conveyance of water supplied by PUB.
Sanitary plumbing works deal with sanitary discharge pipes and sanitary appliances (water closet, urinal, sink etc.), such as installing, changing or relocating toilet bowls and sanitary piping system, for carrying used water from the premise/building to the used water system.
All regulated water service and sanitary plumbing works must be carried out by Licensed Plumbers (LPs), except for simple plumbing works that can be carried out by handymen.
With effect from 1 April 2018, It is an offence for anyone to engage a plumber who is not licensed by PUB to carry out regulated water service and sanitary plumbing works.
Handymen without a licence can do the following simple plumbing works:
Licensed Plumbers (LPs) are professionals licensed by PUB to uphold standards in regulated water service and sanitary works. LPs are required to adhere to PUB’s technical requirements, as well as safety, water quality and water conservation guidelines when carrying out these works. They are also responsible for lodging the necessary regulatory submissions to PUB.
Please note that PUB does not impose any administrative or processing fees for these regulatory submissions. Any fees charged by LPs to homeowners or service hirers for such submissions are commercial charges set by the individual LPs and are neither mandated nor regulated by PUB. Hence, we encourage homeowners and service hirers to:
Homeowners and service hirers are advised to engage Licensed Plumbers (LPs) through platforms such as PUB’s Online LP Listings, the Singapore Plumbing Society, or the resources provided by Town Councils for regulated water service1 and sanitary plumbing works2. You may refer to the following sites to search for LPs:
1 When works involve the design of a plumbing system with pumping equipment or a storage tank, a Professional Engineer must be engaged for both the design and supervision of the works.
2 For new developments and building works, the developer or building owner must engage a Qualified Person (QP)—either a Registered Architect or a Professional Engineer—to prepare and submit plans for the proposed sewerage/sanitary works. The QP is also responsible for ensuring that the works are properly constructed and in accordance with the approved plans.
