Emergency Boiler Repairs

Fast 24/7 Callouts by Gas Safe Registered Engineers

When your boiler fails, there’s no time to wait. At Ninja Boilers, we provide emergency boiler repairs in London 24 hours a day, 7 days a week. Our experienced Gas Safe engineers are on standby to restore heat and hot water quickly—often within just one hour of your call.

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System boiler installation in London

Why Choose Ninja Boilers for Emergency Repairs?

With over 15 years of heating experience, we know how critical it is to act fast when heating problems arise. Whether your boiler is leaking, making strange noises, or not turning on at all—we’ve got you covered.

Here’s why homeowners and landlords across London trust us:

  • Rapid Response – We aim to reach you within 1 hour
  • No Call-Out Fees
  • Fully Qualified & Gas Safe Certified Engineers
  • 12-Month Labour Guarantee
  • Same-Day Fixes Whenever Possible
  • Trusted Across Greater London

Common Boiler Emergencies We Fix

Our engineers arrive with parts on hand and years of diagnostic expertise. We can resolve:

  • No heating or hot water
  • Boiler pressure drops
  • Boiler leaks or dripping
  • Unusual banging or whistling noises
  • Pilot light won’t stay on
  • Frozen condensate pipes
  • Limescale build-up or overheating issues
  • Thermostat faults

Real Peace of Mind, Round the Clock

Our dedicated support team is available day and night to dispatch engineers when you need them most. Whether it’s early morning or late at night—you’ll always speak to a real person, not an answering machine.

Our Emergency Repair Services Include:

  • 24/7 Boiler Diagnostics
     We’ll pinpoint the fault using the latest testing tools—fast and accurately.
  • On-the-Spot Repairs
     We fix most issues during the first visit using stocked parts and manufacturer-approved techniques.
  • Temporary Heating Solutions
     If your boiler needs replacing, we’ll provide short-term options and install a new system within 24 hours.
  • Full System Testing
     We test the repaired boiler for pressure, heat output, and gas safety—ensuring everything is up to spec.

Areas We Cover

We proudly serve all boroughs and surrounding areas, including:

  • Fulham, Chelsea, Hammersmith
  • Kensington, Putney, Wandsworth
  • Earls Court, Camden, Stratford
  • And all of Greater London

Wherever you are in London, we’re just a call away.

Why Choose Ninja Boilers?


  • Trusted Local Engineers – Based in London, serving homes city-wide
  • Gas Safe Registered – All installations certified and compliant
  • Transparent Pricing – No hidden costs or surprise charges
  • Fast Turnaround – Installation in as little as 24 hours
  • Flexible Finance – Spread the cost with 0% over 12 months
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Emergency Repair FAQs

How fast can you arrive?

We aim to be at your door within one hour—day or night.

Is a boiler breakdown classed as an emergency?

Yes, especially if it affects heating or hot water during cold months.

What’s included in an emergency boiler repair?

Diagnosis, immediate repair (if possible), testing, and a 12-month labour guarantee.

Can you install a new boiler quickly if needed?

Yes. We can fit a new boiler within 24 hours if your current unit can’t be repaired.

Book a Local Boiler Engineer Today

From installation to aftercare, Ninja Boilers is your trusted partner for Boiler Installations and Repairs in London. Whether you need help with a smart upgrade, an emergency fix, or a full commercial installation — we’re here to help.