Address: Unit 8, Redwood Point, Woodward Rd, Liverpool L33 7UZ
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Our commercial catering gas services
Running a restaurant, hotel, school kitchen or care home means your commercial cooking equipment is central to what you do. When a gas range, fryer or commercial boiler is not working as it should, the time it is out of action costs you revenue and disruption, which is why having a qualified engineer you can call matters.
DD Wilson Gas And Heating Engineers provides commercial gas services across Liverpool, Merseyside, Cheshire and South Lancashire. As a family-run business established in 1998, we work across commercial heating, hot water and gas safety, and we are extending that commercial capability into commercial catering gas work for the kitchens in the buildings we already serve.
This page sets out the commercial catering services we offer, the sectors we work with, what a commercial catering gas safety inspection involves, and how to arrange a visit.
Commercial catering gas safety certificates (CP42)
A commercial catering gas safety record, often referred to as CP42, is the document issued following a thorough inspection of a commercial gas catering installation. It covers the gas appliances in the kitchen, the pipework that supplies them, ventilation and extraction, isolation valves, and combustion performance. Under Regulation 35 of the Gas Safety (Installation and Use) Regulations 1998, the person in control of the premises has a duty to keep these appliances maintained in a safe condition, and the work must be carried out by an engineer Gas Safe registered for the category. Annual inspection is widely treated as best practice and is commonly required by insurers, though commercial catering does not carry the single fixed annual interval that residential rented property does under Regulation 36.
Sites that typically need this include restaurants, gastropubs, hotel kitchens, care home kitchens, school and academy catering departments, hospital catering, factory and office canteens, and function venues.
Commercial range cooker installation, service and repair
Commercial range cookers, the heavy-duty multi-burner units at the centre of a serious kitchen, need qualified installation and ongoing maintenance, covering disconnection, replacement, recommissioning and service arrangements across the major manufacturers.
Deep fat fryer and pressure fryer installation, service and repair
Deep fat fryers and pressure fryers are among the hardest-working appliances in any commercial kitchen and the most prone to wear. The service covers installation, servicing, repair, and certification in restaurants, pubs, fish and chip shops, fast-food outlets, and contract catering.
Forced draught burner installation, service and repair
Forced draught burners are typically found in larger kitchens, bakeries and food production settings, and need specialist Gas Safe qualifications to work on safely.
Commercial gas pipework
Installation, modification and certification of commercial gas pipework, including first fix on new premises, upgrades for kitchen reconfigurations, and testing and purging, including on installations over 1 cubic metre.
Emergency response and breakdown service
Commercial kitchen breakdowns cost money by the hour. We offer same-day response for emergencies, with priority for contract customers and a next-day standard for planned work.
Planned preventative maintenance contracts
Annual maintenance contracts give predictable budgeting, priority response and ongoing compliance support, tailored to site size and equipment count.
Why work with DD Wilson Gas And Heating Engineers
Family-run and Gas Safe registered, established 1998. Founded by Darren Wilson in 1998 and Gas Safe registered under number 583586. More than twenty-five years across Liverpool means the team knows the area, the building stock, the regulations and the local supply chain.
4.9-star rated. Our reputation has been built over more than two and a half decades of consistent work, with 4.9 stars from 2,481+ verified reviews across Google, Trustpilot and other platforms.
Local team, local response. We do not subcontract our commercial work. The engineer who visits is a DD Wilson engineer on our payroll, working out of our Unit 8 Redwood Point base in Liverpool L33. Visits are arranged at times that suit your operation, including before opening, after service and on closed days.
Accreditations and registrations
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Gas Safe Registered, registration number 583586
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Companies House, registered number 14258693
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Introducer Appointed Representative of Switcha Limited, which is authorised and regulated by the FCA (FCA reference 1017595). Confirm exact FCA-compliant wording for IAR status; do not imply direct FCA authorisation.
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ATAG-approved installer
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Vaillant Advance Master Technician accreditation
What is included in a commercial catering gas safety inspection
A typical inspection covers a visual inspection of the gas appliances within scope; combustion performance analysis where required, using calibrated flue gas analysers; operating pressure checks at the appliance inlet and the meter; ventilation and extraction inspection, verifying that mechanical extraction is adequate for the gas burden and that any interlock systems work correctly; pipework and isolation valve inspection, including tightness testing where required; the issue of the commercial catering gas safety record (CP42); and an itemised quotation for any remedial work identified, with no obligation to use our services for the repairs.
Inspections range from around one hour for a small single-appliance site to a full day for a large institutional kitchen, scheduled around your operating hours wherever possible.
Areas we cover
Liverpool (L1 to L40), Wirral, Sefton, Knowsley, St Helens, Warrington, Widnes, Chester, Crewe, the wider Cheshire area and West Lancashire. For work outside this area, please get in touch for a bespoke quote.
How to book
The fastest way to arrange a visit is to call 0151 739 8945 during business hours. For non-urgent enquiries, you can request a quote via the form on this page, and a member of the team will respond within one business day. For multi-site work, we offer dedicated commercial account management with a single point of contact.
Q. Do you work on commercial catering equipment in care homes and schools?
A. Yes. Care homes, nursing homes, schools, academy trusts and hospital catering departments are part of our commercial work. We work to your site's safeguarding, access and DBS requirements as standard.
Q. How quickly can you respond to a commercial kitchen breakdown?
A. We offer same-day response for emergencies, with priority for contract customers and a next-day standard for planned work.
Q. Do you offer annual contracts for commercial catering gas safety inspections?
A. Yes. Annual planned maintenance contracts give predictable budgeting, priority response and ongoing compliance support. Pricing is tailored to site size and equipment count, and multi-site operators receive consolidated invoicing and a single point of contact.
Q. What areas do you cover for commercial catering work?
A. Liverpool, Wirral, Sefton, Knowsley, St Helens, Warrington, Widnes, Chester, Crewe, the wider Cheshire area and West Lancashire. For sites further afield, please contact us for a bespoke quote.
Q. Are you Gas Safe registered for commercial catering specifically?
A. Yes. Our commercial catering engineer holds Gas Safe-approved qualifications across all domestic and commercial categories, and DD Wilson's company registration (583586) covers commercial catering. Both can be verified on the public Gas Safe Register at gassaferegister.co.uk.
Q. What happens if my inspection identifies a fault?
A. We document the fault on the CP42 record and provide an itemised quotation for the remedial work. You are under no obligation to use DD Wilson for the repairs. Where a fault poses an immediate danger, we will make the appliance safe and clearly explain the next steps.
Q. Do you offer annual contracts for commercial catering gas safety inspections?
A. Yes. Annual planned maintenance contracts give predictable budgeting, priority response and ongoing compliance support. Pricing is tailored to site size and equipment count, and multi-site operators receive consolidated invoicing and a single point of contact.
Q. What is a CP42 commercial catering gas safety record?
A. CP42 is the standard format for documenting a commercial catering gas safety inspection. It records the gas appliances on site, their operating condition, pipework and ventilation findings, combustion analysis results and any defects identified. It evidences that the installation is being maintained in line with the Gas Safety (Installation and Use) Regulations 1998.
Q. How often does a commercial kitchen need a gas safety inspection?
A. There is no single fixed legal interval, the way there is for residential rented property. The duty under Regulation 35 of the Gas Safety (Installation and Use) Regulations 1998 is to keep gas appliances maintained in a safe condition. In practice, annual inspection is standard, is commonly required by insurers and environmental health, and high-use kitchens often inspect critical equipment more frequently.
Q. What is the difference between a domestic and commercial gas safety check?
A. Commercial catering inspections cover heavier-duty equipment with different combustion characteristics, larger gas loads, extraction and ventilation interlock systems, and forced draught burners that domestic engineers are not
qualified to work on. A domestic Gas Safe registered engineer cannot legally certify a commercial catering installation.
Q. What is a gas interlock system in a commercial kitchen?
A. A gas interlock links the gas supply to your catering appliances with the kitchen ventilation. It only allows gas to flow when the extraction is running and providing adequate airflow, and it shuts the gas off if ventilation fails. For most commercial kitchens with significant gas appliances, it is a required safety system, and confirming it works is a core part of any proper gas safety check.