Modern Fixes: How to fit a basin waste trap

If your basin drainage is slow, it may be necessary to replace your basin waste trap. In this short and handy guide, complete with video, we'll show you exactly how to save time and money by doing this yourself.

Tools you’ll need:

  • None required

You’ll also need:

  • A bowl or container to catch any excess water left in the trap

Before you begin:

  • Turn off your water supply

Step-by-step video

For demonstration purposes, we used the Vanity unit and counter top basin bottle trap.

Here's how to fit a new basin waste trap

  1. Start by unscrewing the nuts connecting the trap to the basin waste and also to the waste pipe.

Unscrew nuts connecting the trap to the waste and waste pipe

  1. Take care not to spill the remaining water from inside the trap.

Don't spill excess water

  1. Place the new trap into position and screw on the nuts.

Place new trap in position

  1. Ensure the new basin waste trap is secured in place.

Ensure new trap is secure

Congratulations, you have now fitted your basin waste trap.

Shop plumbing accessories

We have a wide range of high quality plumbing accessories for all purposes at You'll find just the right pipes, wastes and traps to finish the job professionally.

More Modern Fixes for your bathroom

Head over to our Switches and Fixes hub, where you'll find more Modern Fixes you can do yourself, to ensure your bathroom looks great and functions perfectly.