Hiring someone to work on your gas appliances? It’s essential to confirm that they’re Gas Safe registered, not just for legal reasons, but to ensure the safety of your home or rental property. In this guide, we’ll walk you through how to check the Gas Safe Register and verify an engineer’s credentials.

Whether you’re a landlord, homeowner, or tenant, taking a few minutes to carry out a Gas Safe register check can prevent costly, and potentially dangerous, mistakes.

Why You Should Check the Gas Safe Register

The Gas Safe Register is the UK’s official gas registration body. All engineers working on gas appliances legally must be registered. Unfortunately, not everyone claiming to be “Gas Safe” is telling the truth.

By checking the register:

  • You confirm that an engineer is qualified and legally authorised.
  • You ensure they’re certified for the specific type of gas work you need.
  • You reduce the risk of unsafe or illegal work on your property.

How to Check an Engineer on the Gas Safe Register (Step-by-Step)

Verifying an engineer’s credentials only takes a few minutes. Here’s how to do it:

1. Ask for Their Gas Safe ID Card

Every registered engineer is issued a Gas Safe ID card, which includes:

  • Their licence number.
  • Expiry date.
  • A photo.
  • The types of gas work they’re qualified to carry out.

Always check both sides of the card. The front confirms identity,  the back lists their qualifications.

Tip: If the engineer won’t show you their card, do not let them start work.

2. Go to the Official Gas Safe Register Website

Visit: www.gassaferegister.co.uk

This is the only official site for checking Gas Safe registration.

3. Use the ‘Check an Engineer’ Tool

  • On the homepage, click ‘Check an engineer’ under the “Find” tab.
  • Enter the engineer’s licence number from their ID card.
  • Alternatively, you can search by their company name or postcode.

4. Review the Engineer’s Credentials

The results will show:

  • Whether the engineer is currently registered.
  • The types of appliances and work they’re qualified to carry out (e.g., boilers, cookers, LPG, commercial work).
  • Their registration expiry date.
  • Company contact details.

Ensure their qualifications match the work you need. For example, if you’re having a gas fire installed, confirm they’re certified for that specific task.

What Is a Gas Safety Register Number?

A Gas Safety Register number (often called a Gas Safe licence number) is the unique identification number assigned to every registered engineer. It’s shown on their ID card and should match the number you input during the online check.

What to Watch Out For

Unfortunately, there are still unregistered individuals offering gas services. Here are red flags to avoid:

  • No ID card, or excuses for not showing one.
  • Vague business details or no company name.
  • Pressure to pay in cash without a receipt.

Always:

  • Ask for credentials before booking.
  • Verify registration online.
  • Check reviews or testimonials.
  • Report suspicious behaviour to the Gas Safe Register.

You can report unregistered gas work anonymously on the Gas Safe Register website.

⚠️ ECO4 has closed to new applications — here’s the help you can get nowECO4 grants are no longer available. See the grants and funding you can get now.

Don’t Forget

Performing a quick Gas Safe Register check is one of the simplest but most important steps you can take before any gas work begins. It protects you, your family, and your property from unsafe or illegal installations.

If you’re ever in doubt, walk away and verify.

Ready to check your engineer? Head over to the Gas Safe Register and start your search.

If your boiler is old, inefficient, or struggling to keep your home warm, you might be eligible for government-backed funding to upgrade it under the ECO4 scheme or the GBIS grant. These grants could help cover the cost of a new boiler or insulation, making your home safer, warmer, and cheaper to run.

Check if you qualify  for ECO4 funding today – it only takes 2 minutes.