Gas Interlock System Installation in London

Pricing depends on the size of your premises, the number of appliances and any access requirements. We always provide a fixed written quote before any work starts in London.

Yes. All of our engineers are Gas Safe registered for the relevant commercial categories (COMCAT 1–5, CODNCO1, CORT1) and carry the right qualifications for gas interlock system installation in London.

For most London jobs we can attend the same day or next day. For emergencies we offer a 24/7 call-out service across London and surrounding areas.

Yes — every job is completed with the correct documentation, whether that is a CP-series certificate, a tightness test record, a service report or an interlock commissioning certificate.

Yes. We cover restaurants, pubs, hotels, schools, care homes, offices and industrial sites across London and the surrounding areas — including landlords, managing agents and facilities companies.

Compliance with the law: Yes, you heard it right. According to the UK's gas safety regulations and the British Standard BS6173, any food business operating a commercial kitchen must install a gas safety interlock system. Therefore, you need to have a gas safety interlock system fitted to comply with the law.

The £995.00 package deal includes the Merlin CT1200s panel, two air pressure differential switches, one remote emergency shut-off button and a ¾” or 1” gas solenoid valve.

A job is legally considered “non-domestic” or commercial if the gas appliance is rated above 70kW (kilowatts) net input. Appliances below this are generally domestic, though the location (e.g., a boiler in a shop vs. a house) can sometimes influence the necessary certification.

If you do not complete the test or do not pass your initial test you will need to try. Again. Once you have passed the initial test you may start the vehicle and be on your way.