Boiler Broken? Get Fast Help From a Gas Safe Engineer
No heating, no hot water or a leaking boiler? Get fast, straightforward help with clear explanations, upfront pricing and no hidden extras.
Gas Safe Registered
24/7 Emergency Service
Fast Response Across London
Clear Pricing Before Work Begins
Workmanship Guaranteed
24/7 Availability
London-Wide Coverage
Highly Rated by London Customers
Gas Safe Registered
Common Boiler Problems We Fix
Whether your boiler has stopped completely or something just doesn’t feel right, our engineers can diagnose the issue and explain the best next step.
No heating
No hot water
Boiler leaking
Boiler losing pressure
Strange noises
Boiler not firing up
Error or fault codes
Radiators not heating properly
Pilot light issues
Boiler switching off unexpectedly
Not sure what’s wrong?
That’s fine. Call us and we’ll help diagnose the problem and explain your options.
WHY CHOOSE UNDER PRESSURE PLUMBING?
Fast Response
24/7 emergency availability across London for urgent boiler problems.
Straightforward Advice
Clear explanations and honest recommendations, without confusing jargon.
Gas Safe Registered Engineers
Qualified engineers for safe, professional boiler diagnosis and repair.
Clear, Upfront Pricing
Call-out and emergency charges are explained clearly, with no hidden extras.
Highly Rated by London Customers
Customers regularly praise our speed, professionalism, communication and pricing.
Workmanship Guaranteed
Repairs are backed by a workmanship guarantee for added peace of mind.
Get Your Boiler Repaired or Installed in 5 Simple Steps
CALL OUR TEAM
Tell us what’s happening with your boiler, where you’re based, and whether you need urgent help.
WE ARRANGE AN ENGINEER
A Gas Safe registered engineer is arranged as quickly as possible, with 24/7 emergency availability.
WE DIAGNOSE THE PROBLEM
We inspect the boiler, explain what’s wrong clearly, and recommend the most suitable next step.
REPAIR OR INSTALLATION
Once the price is agreed, we carry out the repair, servicing or installation professionally and with minimal disruption.
HEATING & HOT WATER RESTORED
We test the system and make sure everything is working safely before the job is completed.
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We offer 24/7 emergency availability across London and aim to respond as quickly as possible. Emergency jobs are prioritised.
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Yes. Boiler and gas work is carried out by Gas Safe registered engineers.
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The standard call-out charge is £69. Emergency jobs are £89, and larger or planned work is quoted upfront.
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Yes. Pricing is explained before work begins, and larger jobs are quoted as a fixed price with no hidden extras.
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We handle a wide range of boiler faults, including no heating, no hot water, leaks, pressure issues, fault codes and boiler breakdowns.
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We’ll explain the issue clearly and recommend the most suitable next step, which may include replacement if repair isn’t economical.
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Yes. Workmanship is guaranteed for added peace of mind.
Frequently Asked Questions
Boiler Problem? Get Fast Help Today
Whether you’ve got no heating, no hot water, a leak, or a boiler fault, Under Pressure Plumbing is available 24/7 across London.
Gas Safe Registered • Clear Pricing • Fast Response • Workmanship Guaranteed
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