Category: Kitchen & Laundry Plumbing

A kitchen renovation can look straightforward on a plan, but the plumbing needs to match the final cabinetry and appliance layout precisely. Sink position, waste location, mixers, dishwashers, fridges and water filters all need to be considered before cabinets are manufactured or installed.

For more detail on the service itself, see our kitchen plumbing page.

Start with the final cabinet plan

The plumber needs to know where the sink cabinet, dishwasher, fridge and other water-connected appliances will sit. Small layout changes can affect pipe and waste locations.

Decide whether the sink is moving

Moving a sink can require water and waste alterations, particularly if it is moving to an island or another wall. The feasibility should be checked before the kitchen design is locked in.

Include appliance connections

Dishwashers and plumbed fridges require suitable connection points and accessible isolation. Water filters may also require additional space under the sink.

Plan mixer and tapware requirements

Some tapware has specific mounting or pressure requirements. Final product details help avoid conflicts with the sink, benchtop or cabinetry.

Coordinate rough-in with cabinetry

The rough-in should suit the cabinet design so valves, wastes and hoses remain accessible without interfering with drawers or shelves.

Allow for final fit-off

Once cabinetry, benchtops and sinks are installed, the plumber can complete connections, fit tapware and test the system.

Early planning protects the finished kitchen

The best time to solve plumbing layout issues is before the kitchen is built, not after cabinets and stone have been installed.

Related plumbing services

You may also find these related service pages useful: kitchen plumbing, kitchen renovation plumbing, kitchen rough-in.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our kitchen plumbing service page for the relevant plumbing options and next steps.

Modern kitchens often have more plumbing connections than just the sink. Dishwashers, plumbed fridges, filters and specialty tapware can all require water or waste connections, and those services need to be positioned so they remain accessible after cabinetry is installed.

For more detail on the service itself, see our kitchen plumbing page.

Kitchen sink plumbing

The sink needs hot and cold water where required, a suitable waste connection and enough cabinet space for traps, valves and accessories.

Dishwasher connections

A dishwasher generally needs a water connection and a waste connection. Hoses should be routed without being crushed or kinked when the appliance is pushed into place.

Plumbed fridge connections

Fridges with water and ice functions need a dedicated water connection. The connection should be accessible so the appliance can be isolated if it is moved or develops a leak.

Water filters

Under-sink filters can take more room than expected, especially alongside bins, drawers and waste fittings. Planning the cabinet layout around the plumbing avoids cramped installations.

Isolation matters

Appliances should be able to be isolated for servicing. Hiding valves behind fixed cabinetry or making them impossible to reach creates unnecessary problems later.

Check everything before cabinetry is final

Give the plumber the appliance specifications and cabinet plan early. That way the services can be installed in the correct positions rather than adapted after installation.

Related plumbing services

You may also find these related service pages useful: kitchen plumbing, dishwasher installation, fridge water connection.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our kitchen plumbing service page for the relevant plumbing options and next steps.

Laundries are becoming more integrated with cabinetry and storage, which makes plumbing planning more important. A neat finished room still needs accessible valves, reliable drainage and enough space for appliance hoses and wastes.

For more detail on the service itself, see our laundry plumbing page.

Decide the trough or sink location

The laundry sink or trough determines where much of the water and waste plumbing will be concentrated. Moving it may require pipe and drainage alterations.

Plan the washing machine connection

The washing machine needs water supply and waste connections positioned so hoses are not crushed behind the appliance or cabinetry.

Allow room inside cabinetry

Taps, valves, wastes and appliance hoses all take space. Deep drawers and tight cabinetry can clash with plumbing unless the layout is coordinated early.

Think about drainage

Laundry wastes need to discharge correctly, and any existing slow drainage should be addressed before the renovation is closed up.

Check water pressure and old fittings

A renovation is a good opportunity to replace worn valves, hoses or fittings that would otherwise be hidden inside new cabinetry.

Plan the final fit-off

Once the cabinetry and sink are installed, the plumber can connect fixtures and appliances and test the finished laundry plumbing.

Related plumbing services

You may also find these related service pages useful: laundry plumbing, laundry renovations, washing machine installation.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our laundry plumbing service page for the relevant plumbing options and next steps.

A European laundry places the washing machine, trough and storage inside a compact cupboard or cabinet zone. It can be an excellent use of space, but the plumbing has less room for error because hoses, valves and wastes must fit neatly while remaining serviceable.

For more detail on the service itself, see our European laundry plumbing page.

Measure the appliances first

Do not design the cabinet around nominal appliance sizes alone. Allow for hoses, taps, power points, doors and the space needed to slide the machine in and out.

Keep valves accessible

Water isolation points should be reachable without dismantling cabinetry. Access becomes even more important in a confined laundry.

Plan the waste path

The trough and washing machine need suitable waste connections. The plumbing should be laid out so hoses are not kinked or forced into tight bends.

Consider moisture and ventilation

A compact laundry can trap heat and moisture, particularly when doors remain closed. Plumbing leaks are also harder to notice, so good installation and access matter.

Coordinate cabinetry and plumbing

Give the cabinetmaker the final plumbing locations and give the plumber the final cabinet plan. This avoids drawers, shelves or panels blocking valves and wastes.

Design for future servicing

A European laundry may look built-in, but appliances eventually need maintenance or replacement. The layout should allow them to be removed without damaging the room.

Related plumbing services

You may also find these related service pages useful: European laundry plumbing, laundry plumbing, laundry rough-in.

Need help with this type of plumbing?

If you are planning this work or dealing with a problem now, see our European laundry plumbing service page for the relevant plumbing options and next steps.