Water · waste · heating
Commercial plumbing contractors across the UK
Kitchens, washrooms and tea points all depend on the plumbing. We match you with commercial plumbers who install and alter water, waste and heating systems.
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Options
Types of commercial plumbing
Water services
Hot and cold supplies to sinks, basins and appliances.
Drainage
Waste and soil pipework, including pumped wastes.
Water heating
Point-of-use heaters, cylinders and boiling water taps.
Heating
Radiators and pipework altered to suit new rooms.
What is included
- Hot and cold water pipework
- Waste, soil and drainage connections
- Water heaters and boiling water taps
- Radiators and heating alterations
- Sinks, basins, WCs and urinals
- Leak detection and isolation valves
What affects the price
- Distance to existing water and drainage
- Number of outlets and appliances
- Whether drainage has enough fall, or needs a pump
- Access above ceilings and below floors
- Gas work, if any
Process
How the job runs
Survey of supplies and drainage
First fix pipework
Fit sanitaryware and appliances
Test, flush and commission
How long? Small alterations are often done in a day or two.
Questions to ask an installer
- Is the drainage route proven?
- Will the system be flushed and chlorinated?
- Are isolation valves included?
- Who is doing any gas work?
Rules and safety
Water systems must comply with the Water Supply (Water Fittings) Regulations, and some work must be notified to the water company first. You must manage legionella risk in hot and cold water systems, following HSE guidance (ACoP L8). Gas work must only be done by Gas Safe registered engineers.
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Questions
Commercial plumbing: common questions
Can a sink go anywhere?
It needs a water supply and, more importantly, drainage with enough fall. Where gravity will not work, a pumped waste can be used.
Do I need to think about legionella?
Yes. New pipework should avoid dead legs, and your water risk assessment should be updated after the work.
Who does the gas?
Only a Gas Safe registered engineer. Ask to see their card.