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Plumbing

Find guidance on leaks, pipework, drainage, water pressure and everyday home plumbing issues.

Plumbing

How to Find a Reliable Plumber | TrustATrader

Whether you're dealing with a leaking pipe or planning a bathroom renovation, choosing a plumber can feel harder than it should, especially if there are time pressures thrown in. You want someone who understands the job and communicates clearly about the likely cost, but you also need to know what happens if the work takes longer than expected. A little research before booking can save considerable frustration later, but it can be hard to know where to start. Here are six steps to help you find a plumber you know you can trust.

Whether you're dealing with a leaking pipe or planning a bathroom renovation, choosing a plumber can feel harder than it should, especially if there are time pressures thrown in. You want someone who understands the job and communicates clearly about the likely cost, but you also need to know what happens if the work takes longer than expected. A little research before booking can save considerable frustration later, but it can be hard to know where to start. Here are six steps to help you find a plumber you know you can trust.

Step 1: Start with recommendations and reviews

Few things are more reliable than word of mouth recommendations. Ask people locally who they've used recently and whether they'd hire the same plumber again; ask about the finished work and how any problems were handled. If you’re struggling to get direct recommendations, reviews can help you widen your search, particularly when you read several over time rather than judging a business by its headline rating alone. You can find local plumbers on TrustATrader and review their profiles before making contact with complete peace of mind.

Step 2: Check the right credentials for the job

Not every plumbing job requires the same qualifications. If the work involves a gas appliance or gas pipework, the engineer must be Gas Safe registered and qualified for that specific type of work. Check the engineer's ID card and registration details through the official Gas Safe Register. For water supply work, WaterSafe can help you find approved plumbers, although registration isn't a universal legal requirement for every plumbing job. Ask about relevant experience and insurance rather than assuming that membership of a professional body guarantees the quality of a particular repair.

Step 3: Compare written quotes properly

For planned work, try to obtain more than one written quote and make sure each tradesperson is pricing the same scope. Ask whether the price includes materials and VAT, and clarify how any unexpected work would be agreed before it is carried out. A fixed quotation is different from an estimate, so establish which one you're being given and when the final price might change. For an emergency leak, you may have less time to compare options, but it’s still a good idea to ask about the call-out charge and hourly rate before the visit or a leak or broken boiler may not be the only nasty surprise.

Step 4: Agree the details before work starts

Before work starts, confirm the expected start date and how long the job should take, alongside any arrangements for access or clearing up afterwards. Put the scope and payment terms in writing, even for relatively small jobs, so there's a shared record of what has been agreed. It’s fairly standard practice to pay a deposit or material costs up front, particularly where materials need to be ordered, but avoid paying the whole amount in advance without a clear reason and written terms.

Step 5: Know which warning signs to look for

Be cautious if someone pressures you to approve expensive work immediately or refuses to explain what the quote covers. An engineer who claims to be Gas Safe registered but won't provide verifiable details should not be allowed to undertake gas work. On the flip side, it’s entirely possible for a plumber to quote from photographs for a straightforward job, so a remote quotation isn't a red flag indicating poor practice. What counts is whether the price and its limitations are explained, and that you feel suitably informed.

Step 6: Know what to do if something goes wrong

If you’re worried about some work that’s been done, is about to be done, or is in progress, raise your concerns with the plumber in writing and give them a reasonable opportunity to respond. Keep the quotation and any photographs, as these can help explain the issue. If you booked through TrustATrader, check the complaints process and whether your job qualifies for the TrustATrader Guarantee. Which offers up to £1,000 for eligible claims. Be aware that registration and other conditions apply, including registering no later than the day work starts and leaving a review or complaint within 30 days of completion.

Whether you’re planning a new boiler or you’re looking for an emergency plumber, when you find a local plumber on Trust A Trader you can be sure that they’ve been vetted by us to make sure they can do the work they say they can, and that they’ve been rated and reviewed by other customers, helping you to make an informed choice about the right trader for the job.

Frequently asked questions

  • How do I find a reliable plumber near me?

Combine local recommendations with recent reviews, then check experience and ask for a clear written quotation. For gas work, verify the engineer's Gas Safe registration and the categories of work they're authorised to undertake.

  • How much does a plumber charge?

Prices vary by location and the nature of the job, with emergency call-outs often costing more than scheduled visits. Ask about minimum charges and VAT before agreeing to a booking.

  • Do all plumbers need Gas Safe registration?

No, but anyone carrying out gas work must be appropriately registered and qualified for that work.

  • Does TrustATrader provide a guarantee?

Certain eligible jobs may qualify for its guarantee of up to £1,000, subject to the published terms and registration deadlines.

Looking for more plumbing advice?

Find clear, practical answers to common plumbing questions, helping homeowners understand everyday issues, know what checks they can carry out safely, and when it is best to contact a qualified professional.

  • What should I do if I have a blocked drain or sink?

    Start with a plunger - create a good seal and use firm, steady pressure. For a kitchen sink blocked with grease, bicarbonate of soda followed by vinegar can help. If that's not shifting it, a drain snake reaches further down the pipe. Go easy on chemical drain cleaners as they can damage older pipes and rarely sort the root cause. If the blockage keeps coming back, affects more than one outlet, or you're getting unpleasant smells, call a plumber rather than trying to patch up the problem.

  • How can I tell if I have a hidden water leak?

    The most obvious clue is a water bill that's gone up without any change in your usage. Beyond that, listen out for running water when everything's turned off, and watch for damp patches on walls or ceilings nowhere near an obvious water source. A quick self-test is to turn everything off and watch your water meter - if it's still moving, there's a leak somewhere. Tracking down exactly where it is usually needs a specialist detection kit, which a plumber can bring in without having to rip everything up.

  • What should I do if I have a burst pipe?

    Turn off your stopcock straight away - you'll usually find it under the kitchen sink or where the mains water enters the property. Once it's off, open your taps to drain what's left in the system, switch off the boiler if you can do so safely, and mop up any standing water before it reaches electrics or flooring. Then call a plumber. With burst pipes, the faster you act, the less damage you'll be faced with.

  • What is a gas safety certificate and do I need one?

    A Gas Safety Record is issued by a Gas Safe registered engineer after checking that all your gas appliances, flues, and pipework are safe. Landlords in England, Scotland, and Wales are legally required to get one every year and give tenants a copy within 28 days. For homeowners it's not a legal requirement, but getting a check done alongside your annual boiler service is a smart idea, particularly in older properties. Only a Gas Safe registered engineer can carry out the work or issue the certificate - you can check anyone's registration on the Gas Safe Register website.

  • Why is my water pressure low and can a plumber fix it?

    Low pressure usually comes down to one of a handful of things: a stop valve that's not fully open, limescale build-up in older pipes, a failing pressure-reducing valve, or an issue with your water provider's mains supply. In most cases a plumber can sort it - though if the problem is with the mains itself, you'll need to contact your water company first. Either way, don't just live with it - ongoing low pressure can sometimes point to something more serious.

  • How do I know if my boiler needs replacing or just repairing?

    If it's under ten years old and it's one specific fault, a repair usually makes sense. If it's over fifteen, has needed multiple fixes recently, is making strange noises, or your energy bills have crept up for no obvious reason - replacement is probably the better investment. A useful rule of thumb: if the repair would cost more than half the price of a new boiler, it's probably time to replace it.

  • How often should I get my plumbing inspected?

    There's no legal requirement for homeowners, but every two to three years is a sensible habit - especially in older properties or hard water areas where limescale builds up over time. Your annual boiler service covers some of the associated pipework too. And if anything seems off between inspections - odd noises, discoloured water, unexplained damp - don't wait. Get it looked at sooner.

  • Why do my pipes make a banging or knocking noise?

    That banging sound (sometimes called water hammer) usually happens when water flow is suddenly stopped or redirected, sending a pressure wave through the pipes. It's most common after flushing the toilet, shutting a tap sharply, or when a washing machine valve closes. Pipes that aren't properly secured can also knock against walls or joists. It sounds alarming but it's often an easy fix - a plumber can figure out whether it's a pressure issue, a faulty valve, or just some loose pipework.

Have a question about TrustATrader?

If you have a question in relation to TrustATrader specifically, please check out the TrustATrader FAQs, with separate lists tailored to consumers and tradespeople. Alternatively, get in touch with our team. We're happy to help!