General Boiler Repairs in London

Fast, Reliable, and Affordable Boiler Repairs with 24/7 London Plumbers

If your boiler isn’t performing properly, don’t wait until it completely fails. At 24/7 London Plumbers, we provide professional boiler repairs in London, quickly diagnosing and fixing a wide range of problems. From unusual noises and low pressure to no hot water at all, our Gas Safe engineers are ready to respond with safe and dependable solutions.

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System boiler installation in London

Common Boiler Problems We Fix

  • No hot water or heating
  • Pilot light keeps going out
  • Leaking or dripping boiler
  • Low boiler pressure
  • Strange noises (banging, gurgling, or whistling)
  • Faulty thermostats
  • Frozen condensate pipes
  • Radiators not heating properly
  • Error codes on boiler display

Fast Response, Local Service

Whether it’s a small fault or urgent repair, our boiler engineer in London can usually attend the same day. We carry a wide selection of replacement parts to complete many jobs on the first visit. With no call-out charges, you only pay for the work required.

Real Peace of Mind, Round the Clock

Our dedicated team is available day and night to send out a London heating engineer whenever you need assistance. Morning, evening, or late at night—you’ll always reach a real person, never an automated line.

What to Expect with 24/7 London Plumbers Repairs

  • Professional Diagnosis – We carefully assess your boiler to identify the exact fault.
  • Transparent Quote – You’ll receive a fixed-price quote with no hidden extras.
  • Reliable Repair – Our Gas Safe engineers complete repairs using approved replacement parts.
  • Follow-Up Advice – We provide guidance on future servicing to reduce the risk of further issues.

Do I Need a Boiler Replacement Instead?

Not necessarily. Often a straightforward boiler repair in London is all that’s required. However, if your boiler is over 12–15 years old and needs frequent attention, our team can advise whether a modern, energy-efficient replacement would be more cost-effective.

Why Choose 24/7 London Plumbers?


  • Trusted Local Engineers – Based in London and covering homes city-wide
  • Gas Safe Registered – All work certified and compliant
  • Transparent Pricing – No hidden charges or surprise bills
  • Fast Turnaround – Many repairs completed within 24 hours
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Emergency Repair FAQs

How much does a boiler repair cost in London?

Most minor repairs start from £90–£150. Complex jobs may cost more, but we always provide a fixed quote.

How quickly can you attend a repair?

We aim to attend most non-emergency callouts within 24 hours, and emergencies within 1 hour.

 Is my boiler still safe to use if it’s making noises?

Not always. Unusual noises may indicate limescale, trapped air, or pump issues. It’s best to shut it off and call us.

What if the same problem returns after the repair?

We stand by our work with a 12-month labour guarantee. If the same issue comes back, we’ll re-attend at no charge.

Book a Local Boiler Engineer Today

From repairs to full installation, 24/7 London Plumber is your trusted partner for reliable boiler services in London. Whether you need a fast repair, an energy-efficient upgrade, or ongoing care, our Gas Safe team is here to help.