How to Fit a Basin Tap:
- rharri1
- Apr 1
- 4 min read
Fitting a basin tap may seem daunting, but with the right tools and a bit of know-how, it can be a straightforward task even for beginner DIYers. In this guide, we’ll walk you through the steps necessary to successfully install a basin tap at home. We’ll also ensure everything aligns with UK plumbing standards and best practices.
Basin Tap Types
Most common types are:
Monobloc taps: These combine hot and cold water within a single mixer. They are simple to use with one lever controlling both water temperature and flow.
Deck-mounted taps: Installed on the basin or countertop, these taps can also come in a multitude of styles.
Wall-mounted taps: These are attached to the wall, freeing up basin space but requiring more installation work.

Essential Tools and Materials
Before fitting the tap get together all the necessary tools and materials such as:
Basin tap (chosen style)
Adjustable wrench
Screwdriver (flat and Phillips)
Plumber's tape
Silicone sealant
Bucket or bowl (to catch any water)
Towel (for drying)
Step-by-Step Guide to Installing Your Basin Tap
1. Preparation
Start by turning off the water supply to your basin. Look for the isolation valves underneath - One for hot and one for cold. If your basin doesn't have them, you may need to turn off the main water supply.
Next, place a bucket or bowl under the basin to catch any water that may spill. Wipe everything down with a towel to remove any moisture, clean around the existing tap hole in the basin.
2. Remove the Old Tap
If you’re replacing an existing tap, you’ll need to remove it first. Use your adjustable wrench to loosen the nuts that secure it to the sink. These nuts are typically found underneath the basin.
Once you have removed the nuts, carefully take out the old tap. If it’s stuck, you might need to gently wiggle it free. Twist the tap left to tight if needed. The tap will then pull out.
3. Fit Tap To The Basin
Before fitting your new tap, check the manufacturer's instructions as they may have specific requirements. Begin by inserting the new tap into the tap hole of the basin.
Next, from underneath the basin, secure the tap with the provided nuts. Tighten them carefully with your adjustable wrench but be cautious not to over-tighten as this can crack the basin. Secure the tap well do it doesn't move.
4. Connect the Water Supplies Tails
Once the tap is secured, it’s time to connect the water supply. The majority of deck mounted taps come with flexi taps with a connector that screws back on to the isolation valves. . Ensure that they are properly aligned, and tighten the nuts with your wrench, again being careful not to overdo it.
Don’t forget to wrap plumber's tape around the threads. This can save you from a lot of hassle later on.
5. Turn On the Water Supply
With everything connected, it's time to turn the water supply back on. Check for leaks around the fittings and ensure that the tap functions properly. Let the water run for a minute to clear out any debris that may have entered during installation. The tap may splurge and splutter as air will have got into the system. This is normal and will clear.
Common Issues and Troubleshooting
Even with careful installation, issues may arise. Here are a few common problems and their solutions:
Leaks: If you find water pooling under the sink, turn off the water supply. Check your connections and make sure they are tight. If leaks persist, you may have a damaged washer or an improperly installed tap.
Low Water Pressure: If water flow seems weak, check for blockages in the supply pipes or aerator. Cleaning out the aerator may resolve this issue.
Noise: If the tap is making unusual noises, it may be due to air trapped in the pipes. Try to bleed the system by loosening the fittings slightly until water escapes, which can often remove trapped air.
Safety Considerations
While DIY plumbing can be cost-effective, it’s essential to follow safety guidelines. Always ensure the water supply is turned off when working and consider wearing gloves to protect your hands. If at any point, you feel the task is beyond your comfort level or expertise, don’t hesitate to call a professional plumber.
Maintenance Tips
After successfully installing your basin tap, regular maintenance can help extend its lifespan:
Clean the tap regularly: Use mild detergent to avoid damaging the finish and prevent build-up.
Check for leaks periodically: Especially at the connections, as this can alert you to issues before they become significant problems.
Replace washers and cartridges as needed: This will keep your tap functioning smoothly.
By following these simple steps and maintenance tips, you can ensure that your basin tap remains functional and in top condition for years to come.
Maintaining your plumbing system aligns with UK standards and practices, ensuring you provide longevity and efficiency in one of the most used features of your home.
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