CP12 or CP42, which Gas Safety Record do you actually need?

CP12 has become a generic shorthand for "the gas safety certificate", partly because it was the original Corgi paperwork code. Legally though, CP12 is for domestic landlord installations. The correct commercial form is CP42. Plenty of commercial buyers ask for "a CP12" when they mean CP42, and we'll just issue the right one regardless of what was asked for.

For a single appliance, typically 60-90 minutes including the tightness test, combustion analysis and paperwork. Multi-appliance sites take half a day to a full day depending on access.

Yes. Three or more sites coordinated into one visit schedule typically attract a 10-20% discount versus single-site pricing.

If the fault is critical (gas leak, dangerous appliance) we'll isolate it on the spot, file a Gas Warning Notice, and discuss remediation. Non-critical advisory items get listed on the CP42.

For routine CP42 work in London or the south east, usually within 1-2 weeks of enquiry. For urgent insurance-renewal or sale-of-business deadlines, often within 48 hours.

Yes. Every CP42 we issue has Stewat Rogers's Gas Safe License (919290) and Registration (5608537) on it. Verify on the Gas Safe register.