Kitchen plumbing

Kitchen plumbing across Ireland

Sink installation, dishwasher connection, washing machine plumbing and waste pipe work. Local plumbers across all 26 counties.

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What kitchen plumbers do

Kitchen plumbing: what's involved

Kitchen plumbing covers everything from a simple sink swap to full repiping for a new kitchen fit-out. Most jobs involve supply pipes, waste pipes, and appliance connections.

If you are fitting a new kitchen, it makes sense to have a plumber on site before units are installed so all pipework can be planned and routed before cabinetry goes in.

Kitchen sink installation and waste connection
Dishwasher plumbing and waste outlet
Washing machine supply and drain
Under-sink boiling water tap installation
Water filter systems
Relocation of supply or waste pipes for new layouts

Plumber connecting kitchen sink waste pipe

Common jobs

Types of kitchen plumbing work

Sink installation

Fitting a new kitchen sink involves connecting hot and cold supply pipes, fitting the waste trap, and running the waste pipe to the drain. Allow half a day for a straightforward swap, longer if relocating the sink position.

Dishwasher connection

Dishwashers need a cold water supply, a waste outlet, and a power socket nearby. If you are installing a dishwasher where one has not been before, a plumber will need to tap into the existing supply and run waste.

Washing machine plumbing

Washing machines require a cold fill supply (some older models need hot and cold), a drain hose connected to a standpipe or trap, and adequate drainage. Incorrect drainage causes the most common problems.

Boiling water tap

Under-sink boiling water tanks (Quooker and similar) require a cold supply connection and waste outlet. Some models also need an electrical connection, so plumber and electrician coordination may be needed.

Cost guide

Kitchen plumbing costs in Ireland 2026

The prices below reflect typical market rates across Ireland for parts and labour. Costs increase when pipework needs to be rerouted or when appliances are being installed where none existed before. Always get at least two quotes for larger jobs.

Job	Typical cost	Notes
Sink installation (swap)	€150–€300	Like-for-like, no pipe relocation
Dishwasher connection (new point)	€180–€350	New supply and waste run
Washing machine plumbing (new point)	€150–€280	Supply and standpipe
Boiling water tap installation	€200–€400	Excludes tap unit itself
Kitchen refit plumbing (full)	€800–€2,500	All appliances, rerouting pipework
Waste pipe rerouting	€200–€600	Per run, depends on distance

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