24/7 line 0203 488 0733
CP12 checks

Landlord gas safety certificates (CP12) in London

If you’re a landlord in England or Wales, you need a gas safety certificate by law, renewed every twelve months. Lots of people still call it a CP12, after the old form number. Our Gas Safe registered engineers check every gas appliance, flue and length of pipework in your property, then issue the certificate there and then.

Call 0203 488 0733 Message us
  • You hear the price before any work starts
  • Gas Safe registered and insured
  • DBS-checked engineers at your door
  • Emergency line open 24/7

Mon–Fri 8:00–17:30 · Emergency callout available 24/7

Ask us about gas safety certificates

Your name, number and postcode is enough to start. The rest can wait.

How soon do you need us?
Tell us a bit more if you like

Quicker to talk? Call 0203 488 0733 or WhatsApp 020 3488 3737

Your details are used for this job and nothing else. Privacy policy

The job, in short

What we’ll do for you

  • Yearly landlord gas safety certificates (CP12)
  • Checks on boilers, hobs, gas fires and other gas appliances
  • Checks on flue performance and ventilation
  • Your certificate issued and emailed the same day
  • Scheduling across several properties for landlords and agents
  • Follow-up repairs if the check finds a fault
Tell us about yours
Quick checks

Try these before you ring

You might fix it yourself. If so, great. If not, we’re a call away.

Only a Gas Safe registered engineer will do

By law, the check must be done by an engineer registered for the types of appliance you have. Ask to see their Gas Safe ID card. Any engineer should be happy to show it, and looking them up on the register yourself takes about thirty seconds.

It covers things as they are on the day

The certificate looks at your appliances and pipework as installed when we visit. It isn’t a promise that nothing will go wrong later. If you add or change something afterwards, like a new gas hob, that needs checking too.

One failed appliance doesn’t fail everything

If one appliance isn’t safe, it’s capped off or condemned and noted down, and the rest of your property can still pass. We’d rather isolate that one problem and get your paperwork issued than hold up the whole job.

Your tenants need a copy within 28 days

As a landlord, you must give tenants a copy of the current certificate within 28 days of the check, and give new tenants one before they move in. We email it the same day so this never gets missed.

Your questions

What people ask us

How long will the gas safety check take?

For a typical property, around thirty to forty-five minutes. More appliances means a bit longer. You’ll get your certificate at the end of the visit.

What if one of my appliances fails?

If an appliance is immediately dangerous, we isolate it there and then to keep everyone safe. We’ll explain what’s needed to put it right, and in most cases we can still issue the certificate for the rest of the property.

I own my home. Do I need one too?

The legal requirement applies to landlords. As a homeowner you don’t have to have one, but a yearly check is still a good idea, especially before winter.

Can you cover several properties on one visit?

Yes. Send us the addresses and how many appliances each one has, and we can usually plan a day around a group of properties.

There’s more

Other jobs we can help with

Looking for gas safety certificates in London?

Here when you need us. Say what’s up and where you are. We’ll give you the price before we start.

Call 0203 488 0733 Message us