24 hour service

Boiler Repairs in London

No heating or hot water? Tell us what's happening and request an engineer. Fault finding, diagnostics and repairs from Gas Safe registered engineers.

Common problems

Common boiler problems we're called about

  • No heating
  • No hot water
  • Boiler not turning on
  • Low boiler pressure
  • Boiler switching itself off
  • Unusual noises
  • Error or fault codes on the display

Similar symptoms can have very different causes. A boiler that keeps losing pressure might have a simple fix or point to something that needs proper investigation. That's why we diagnose before we promise anything: your engineer assesses the boiler, explains what's wrong and agrees the work with you before it's carried out.

Helpful before we arrive: the boiler make and model, any fault code on the display, and when the problem started. You can WhatsApp us a photo of the boiler exterior or its display. Please don't remove any panels or covers.

How the repair enquiry works

Call, WhatsApp or send a booking request → we discuss the fault and arrange a visit → your engineer diagnoses the boiler and explains what's required → approved work is completed professionally.

Professional assessment, not guesswork

We don't diagnose faults remotely as fact, and we won't talk you through opening up a gas appliance. Boiler internals are strictly a job for a Gas Safe registered engineer.

Related

Related services

Boiler Servicing

Regular servicing helps catch problems before they become breakdowns.

Power Flushing

Circulation problems in the wider system can affect boiler performance.

FAQs

Frequently asked questions

Can you tell me what's wrong over the phone?

We can often narrow it down from your description, but similar symptoms can have different causes, so a proper diagnosis happens at the property. We'll always tell you what we find and what it means before any work goes ahead.

My boiler shows a fault code. What should I do?

Make a note of the code and the boiler make and model, then call or WhatsApp us. Don't remove the boiler casing or attempt an internal reset procedure you're unsure about.

Do you repair boilers at night and weekends?

Yes. We provide a 24-hour service, Monday to Sunday.

Will the repair be done on the first visit?

Wherever possible, yes. But some repairs need parts that have to be ordered. Your engineer will explain exactly what's required and what happens next.

Need help with your heating, gas or plumbing?

Call or WhatsApp AL Gas Engineers directly, or email us the details of your enquiry.

24 Hour Service · London Based · Gas Safe Registered 621647