How to Replace a Tap: A Step-by-Step Guide

A dripping or outdated tap can be annoying and waste a surprising amount of water over time. Fortunately, replacing a tap is a straightforward job that many homeowners can tackle themselves — with the right tools, preparation, and care.

In this guide, DM Emergency Plumbing walks you through the process of replacing a tap safely and efficiently, while sharing expert tips to help you avoid common mistakes.

When Should You Replace a Tap?

You might need to replace a tap if you notice:

• Constant dripping, even after tightening

• Corrosion or rust around the base

• Difficulty turning the handles

• Water leaking from the tap body or joints

• A desire to upgrade your bathroom or kitchen fixtures

If these sound familiar, it’s time for a replacement.

Tools and Materials You’ll Need

Before you start, make sure you have the right tools on hand:

• New tap (make sure it matches your sink or basin type)

• Adjustable wrench

• Basin wrench (for hard-to-reach areas)

• Plumber’s tape (Teflon tape)

• Towels or cloths

• Bucket

• Cleaning cloth

Step-by-Step: How to Replace a Tap

1. Turn Off the Water Supply

Start by switching off your water supply. You’ll usually find isolation valves under the sink — turn them clockwise to stop the water flow. If you can’t find them, shut off your main water valve. Then, open the old tap to release any remaining water in the pipes.

2. Prepare the Area

Place towels or a bucket underneath the sink to catch any drips. Keep your tools nearby for easy access.

3. Remove the Old Tap

Using an adjustable wrench or basin wrench, loosen the nuts securing the old tap to the sink. Disconnect the water supply pipes carefully. Once everything is loosened, lift out the old tap from the sink or basin.

4. Clean the Mounting Surface

Before fitting the new tap, clean the area where the old one sat. Remove any limescale, old sealant, or dirt to ensure a smooth and watertight installation.

5. Fit the New Tap

Insert the new tap into the mounting holes. Align it correctly, then tighten the fixing nuts underneath to hold it securely in place. Follow the manufacturer’s instructions for your specific tap model.

6. Connect the Water Supply

Attach the flexible hoses or water supply lines to the new tap’s inlets. Use plumber’s tape on threaded connections to prevent leaks. Tighten gently but firmly — avoid over-tightening, which can damage fittings.

7. Turn On the Water Supply

Once everything is connected, slowly turn the water supply back on. Check for leaks around the connections and tighten slightly if needed.

8. Test the Tap

Run both hot and cold water for a few minutes to flush out air and debris. Ensure smooth water flow and that there are no leaks under the sink.

Pro Tips from DM Emergency Plumbing

• Always double-check that the new tap fits your existing sink holes and plumbing connections.

• If your tap is old or corroded, fittings may be difficult to loosen — don’t force them; use penetrating oil or call a professional.

• For mixer taps, pay close attention to hot and cold water connections to avoid cross-connections.

When to Call a Professional Plumber

If you run into stubborn fittings, leaks that won’t seal, or hard-to-reach connections, don’t risk water damage. DM Emergency Plumbing offers fast, professional tap replacement services across the area — ensuring a perfect fit and leak-free installation every time.

Need Expert Help?

Whether it’s a dripping tap, complete replacement, or full kitchen or bathroom plumbing upgrade, DM Emergency Plumbing is your trusted local expert.
We’re available 24/7 for emergency callouts and general plumbing services.

📞 Call DM Emergency Plumbing today for professional tap replacement and repair services near you!