Booking someone to work on your boiler isn’t like booking a handyman for a shelf. Gas work done badly can cause leaks, fires, or carbon monoxide poisoning. Before anyone touches your gas appliances, you need to know they’re legally allowed to.
If you live in Lancing and you’re arranging a boiler service, repair, or new installation, this guide walks you through exactly how to check that your gas safe heating engineer is properly qualified — and what can go wrong if you skip this step.
Why Gas Safe Registration Actually Matters
Gas Safe Register is the official, HSE-backed list of engineers legally permitted to work on gas appliances in the UK. It replaced CORGI back in 2009 and covers everyone from boiler engineers to cooker installers.
By law, only Gas Safe registered engineers can carry out gas work in homes and businesses. This isn’t a nice-to-have qualification — it’s a legal requirement, and it exists because gas mistakes can be serious.
Every registered engineer carries an ID card that’s renewed every 12 months, so registration status can change. That’s why a quick check before work starts is always worth doing, even if you’ve used the same company before.
How to Do a Quick Gas Safe Register Check
Checking an engineer takes less than five minutes. Here’s how:
- Ask to see their Gas Safe ID card before any work begins. A genuine engineer will happily show it.
- Note their 7-digit licence number, printed at the top and embossed across the middle of the card.
- Run a gas safe register check on the official Gas Safe Register website using that number.
- Text or call to confirm. You can text “Gas” plus the licence number to 85080, or call Gas Safe Register directly.
If the engineer can’t or won’t provide a licence number, treat that as a red flag and don’t let them start work.
What the ID Card Should Actually Show
A genuine card includes the engineer’s photo, full name, the company they work for, their licence number, start and expiry dates, and a Gas Safe hologram. The back lists exactly which types of gas work they’re qualified to do.
Not every engineer is qualified for every job. Someone approved for cookers isn’t automatically approved to service a boiler, so it’s worth matching their listed qualifications to the job you need doing.
The Risks of Hiring an Unregistered Gas Engineer
Skipping this check might save five minutes, but the risks of unregistered gas engineer work are serious and can be expensive to fix.
- Gas leaks and carbon monoxide poisoning. Poor installation or servicing is a leading cause of CO incidents in UK homes.
- Invalid home insurance. Many insurers won’t pay out on claims linked to gas work carried out by someone unregistered.
- No legal comeback. Unregistered work often means no proper certification, no warranty, and little recourse if something fails.
- Voided boiler warranty. Manufacturers typically require Gas Safe registered installation to honour the warranty.
These risks of unregistered gas engineer work rarely show up immediately — they tend to surface months later, when a fault develops or an insurance claim is refused.
Local Tips for Lancing Homeowners
- Get at least two or three quotes before committing, and compare like-for-like.
- Check recent reviews on Google or Checkatrade, not just the company’s own website.
- Always ask for a Gas Safety Certificate once the job is finished — landlords are legally required to hold one (CP12) and renew it annually.
- Keep the engineer’s ID number on file in case you ever need to query the work later.
Why Lancing Homeowners Trust Heatwise Group
At Heatwise Group, every engineer we send out is fully Gas Safe registered, and we’re happy for customers to check ID and licence numbers before any work starts. It’s a small step that protects your home, your family, and your investment — and it’s one we actively encourage rather than avoid.