AAC Gas provide commercial and industrial gas safety certificates across the North of England. Gas Safe registered and based in Higher Walton, Preston, our engineers carry out thorough gas safety inspections and issue CP15, CP16, CP17, and CP42 certificates to businesses across Preston, Lancashire, Manchester, Merseyside, Cheshire, Cumbria, Yorkshire, and all surrounding areas.

Any business operating gas appliances on commercial premises is legally required to ensure those appliances are inspected and certified safe by a Gas Safe registered engineer. This applies to every commercial and industrial premises regardless of size, sector, or location — from a small restaurant kitchen in Preston city centre to a large manufacturing facility on a Lancashire industrial estate.

Failure to maintain valid gas safety certification can result in insurance policies becoming void, enforcement action from the Health and Safety Executive, and in serious cases prosecution. For care homes and healthcare facilities, gas safety compliance is also directly linked to CQC inspection outcomes.

📞 Call us: 01772 382971 — same-week appointments available. Certificates issued on the day of inspection.

Gas Safety Certificates We Issue

CP15 — Commercial Gas Safety Certificate

The CP15 is the standard commercial gas safety certificate for commercial and industrial premises. Issued following a thorough inspection of all gas appliances, pipework, ventilation, flues, and associated equipment — covering factories, warehouses, offices, schools, care homes, and all general commercial premises across the North of England.Every CP15 inspection includes visual inspection of all gas appliances and equipment, gas pipework checked for leaks and deterioration, ventilation verified, flue and combustion gas testing, emergency controls and isolation valves checked, combustion analysis on boilers and heating appliances, and a full written certificate issued on completion — ready for audit.

CP16 — Commercial Boiler Inspection Certificate

The CP16 is issued following detailed inspection of commercial and industrial boiler installations — covering the boiler plant, heat exchangers, flue systems, controls, pressurisation equipment, and associated pipework.Particularly relevant for the large boiler plant installations found in care homes, hotels, schools, hospitals, and major industrial and commercial premises across the North of England. Required annually by most commercial insurers as evidence of boiler compliance.Every CP16 inspection includes full combustion analysis, heat exchanger inspection, burner strip and check, safety device testing, and a detailed written inspection report alongside the certificate.

CP17 — Commercial Gas Installation Safety Report

The CP17 covers inspection and certification of existing gas installations in commercial premises — including pipework systems, meter installations, emergency controls, and associated equipment.Commonly required for commercial property acquisitions, lease renewals, insurance renewals, and post-incident assessments. We carry out CP17 inspections across the North of England for commercial landlords, property managers, facilities managers, and duty holders responsible for commercial premises compliance.

CP42 — Commercial Kitchen Gas Safety Certificate

The CP42 is the annually required gas safety certificate for every commercial kitchen. It covers all gas-fired catering appliances — ranges, ovens, fryers, grills, salamanders, combi ovens, pasta cookers — together with the gas interlock system, ventilation, and gas pipework throughout the kitchen.Required by Environmental Health Officers during food business inspections, by insurers, and by licensing authorities. Applies to restaurants, hotels, pubs, takeaways, care homes, schools, hospitals, and all food service operators regardless of size.Certificates issued on the day of inspection. Flexible scheduling outside kitchen service hours wherever possible.

What Every Gas Safety Inspection Includes

Every commercial gas safety inspection carried out by AAC Gas includes:

• Visual inspection of all gas appliances and associated equipment
• Gas pipework, connections, joints, and fittings checked for leaks and deterioration
• Adequate ventilation verified for all gas appliances
• Flue and combustion gas testing where applicable
• Emergency controls and isolation valve inspection
• Combustion analysis on boilers and heating appliances
• Gas interlock system testing for commercial kitchens — CP42
• Gas meter installation and emergency cut-off verified
• Full written certificate issued on completion — ready for audit

All work carried out by Gas Safe registered engineers holding commercial ACS qualifications. 

Gas Safe registration 562186 — verifiable at gassaferegister.co.uk.

Who Needs Commercial Gas Safety Certificates

Factories and Industrial Premises

Factories, manufacturing plants, and industrial units across the North of England all require annual CP15 certification for commercial boilers, industrial heating systems, and process equipment. Our engineers understand manufacturing and industrial environments and carry out inspections with minimum disruption to operations.

Care Homes and Healthcare

Care homes and nursing homes across the North of England require CP15 and CP42 certification as part of their CQC compliance obligations. Our DBS checked engineers carry out inspections with minimum disruption to residents — full CQC-compliant documentation provided on the day.

Commercial Kitchens and Hospitality

Restaurants, hotels, pubs, takeaways, and all commercial kitchen operators require annual CP42 certification. We offer flexible scheduling outside kitchen service hours wherever possible and issue certificates on the day of inspection.

Warehouses and Logistics

The North of England's vast logistics and distribution sector requires annual certification for warm air heaters, radiant tube heaters, and commercial boiler plant. We provide flexible scheduling to work around shift patterns and operational requirements.

Schools and Education

Schools, academies, and colleges across the North of England require annual commercial gas safety certification for boilers, heating systems, and catering equipment. DBS checked engineers available. Inspections scheduled around the school calendar.

Commercial and Office Properties

Commercial landlords, property managers, and facilities managers across the North of England rely on AAC Gas for annual CP15 and CP16 certification across their commercial property portfolios.

Construction and New Build

Gas tightness testing, strength testing, and pre-commissioning certification for new commercial and industrial builds and refurbishments across the North of England. We work alongside main contractors and M&E contractors on new build projects.

Why Businesses Choose AAC Gas for Gas Safety Certification

• Gas Safe registered — registration 562186, verifiable at gassaferegister.co.uk
• Commercial ACS qualified engineers — qualified for industrial and commercial premises
• Over 20 years' experience with commercial and industrial gas safety
• CP15, CP16, CP17, and CP42 certificates issued on the day of inspection
• DBS checked engineers — suitable for care homes, schools, and healthcare
• Flexible scheduling — inspections outside operating hours available
• Audit-ready documentation provided on completion
• Same-week appointments available across the North of England
• 24/7 emergency response if safety issues are identified during inspection
• Competitive pricing — no hidden charges

Areas Covered

We provide commercial gas safety certification across Preston, Lancashire, Manchester, Merseyside, Cheshire, Cumbria, Yorkshire, and all surrounding areas across the North of England.

View all areas we cover →

Book a Commercial Gas Safety Certificate

To arrange CP15, CP16, CP17, or CP42 certification for your business anywhere across the North of England, contact AAC Gas today.

📞 Call: 01772 382971 — 24/7 for emergencies 

🌐 aacgas.co.uk 

📍 Higher Walton, Preston, Lancashire 

🔒 Gas Safe registered — 562186

Email: info@aacgas.co.uk

Same-week appointments available. Certificates issued on the day of inspection. Flexible scheduling to work around your operating hours.