A guide to washing machine installation.

Whether you are upgrading to a high-efficiency model or relocating your laundry setup, professional installation guarantees that transit bolts are removed, seals are watertight, and the appliance won't "walk" across your kitchen floor during a high-speed spin cycle.

What Does the Work Involve?

• Disconnection: Safely removing the old unit, draining residual water, and capping off old feeds if necessary.
• Transit Bolt Removal: Unscrewing and removing the internal bolts that protect the drum during shipping (forgetting this can destroy the machine).
• Plumbing Inspection: Checking the isolation valves and waste standpipe for blockages or signs of perishing.
• Connection: Attaching the cold-water feed and securing the waste hose to the standpipe or sink "spigot" using a jubilee clip.
• Leveling: Using a spirit level and adjusting the threaded feet to ensure the machine is perfectly flat on the floor.
• Testing: Running a short "service cycle" to check for leaks under pressure and ensure the pump drains correctly.

Typical Costs

Prices vary based on your location in the UK and whether the appliance is freestanding or integrated. Integrated units cost more due to the complexity of fitting cabinet doors and plinths.

Labour rates are generally higher in London and the South East. If your existing isolation valves are seized (common in hard water areas), expect to pay a small premium for the plumber to replace the pipe fittings before the machine can be connected.

How Long Does It Take?

• Standard Swap: 45 to 60 minutes for a freestanding machine in an accessible spot.
• Integrated Install: 1.5 to 2.5 hours to ensure the cabinet door aligns perfectly with the rest of the kitchen.
• New Location: 3 to 5 hours if new hot/cold feeds and waste pipes need to be extended through walls or cabinetry.

DIY or Professional?

Many homeowners choose to install freestanding machines themselves. However, if the machine is integrated, or if you aren't confident working with plumbing, a professional is recommended. A small drip from a poorly fitted hose can go unnoticed behind a machine for months, causing floorboards to rot.

Note: If your installation requires a new electrical socket, this must be performed by a Part P qualified electrician to comply with UK Building Regulations.

Choosing the Right Tradesperson

• Look for a plumber or a dedicated appliance installation engineer.
• Check they have public liability insurance to cover any potential water damage.
• Ensure they offer a "test and demonstrate" service rather than just "drop and go."
• Questions to ask:
  • Do you include the removal of transit bolts and packaging?
  • Will you level the machine using a spirit level?
  • Is the disposal of my old machine WEEE compliant?
  • What happens if a leak is discovered 24 hours after you leave?

UK Regulations

• WRAS Approval: All hoses and valves should meet Water Regulations Advisory Scheme standards to prevent contamination of the mains water supply.
• WEEE Directive: If the installer takes your old machine, they must dispose of it at a licensed Waste Electrical and Electronic Equipment recycling centre.
• Part P: Any new electrical circuits in "wet zones" (like kitchens or utility rooms) must be installed by a competent person and potentially notified to local building control.

Common Problems

• Violent Shaking: Usually caused by failing to remove transit bolts or the machine not being level.
• "Suds" Leaking: Often happens when the waste hose is pushed too far down the standpipe, causing a syphon effect.
• Smelly Machine: Often caused by the waste hose being connected to a sink trap without a proper "U" bend, allowing sewer gases back into the drum.
• Leaking Inlet: Frequently occurs when old rubber washers are reused instead of the new ones supplied with the machine.

Frequently Asked Questions