Commercial Gas Safety Certification Experts in London
CP42 & CP17 Inspections by Fully Accredited Gas Engineers

At West London Plumbing, we specialise in providing thorough gas safety inspections and certification for commercial kitchens and gas appliances. Whether you’re running a restaurant, managing a school, or responsible for a commercial building, ensuring your gas systems meet safety standards is essential for legal compliance and peace of mind.

We offer both CP42 certificates—commonly required for catering equipment in commercial kitchens—and CP17 certificates, which are also necessary when a commercial boiler is installed in domestic premises (e.g. flats or HMOs with shared systems).

Our engineers are fully qualified to assess all types of commercial gas installations, providing clear, compliant documentation and expert support every step of the way.

Why Choose West London Plumbing for Commercial Gas Certification in Central London?

  • Fully Gas Safe Registered
    All inspections are carried out by certified engineers qualified for both catering and commercial systems.
  • Extensive Commercial Experience
    We work across a range of environments—from busy kitchens to complex plant rooms—ensuring tailored, expert service.
  • Fast, Flexible Appointments
    We accommodate your schedule to minimise downtime and keep your business running without disruption.
  • Clear Reporting & Certification
    You’ll receive prompt, compliant documentation with actionable advice if any issues are identified.
  • Trusted Across West London
    Known for reliability and professionalism, we’re the first choice for local businesses needing annual gas safety compliance.
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CP42 Certificate – Commercial Catering Equipment Gas Safety

If you operate any type of commercial kitchen using gas-powered appliances, the CP42 Gas Safety Certificate is a legal requirement under the Gas Safety (Installation and Use) Regulations 1998. West London Plumbing provides expert CP42 inspections that ensure your catering equipment is compliant, efficient, and most importantly—safe.

What Does a CP42 Inspection Include?

  • Visual and operational check of all gas catering appliances (ovens, grills, fryers, etc.)
  • Full testing of interlock systems and ventilation
  • Gas pipework pressure testing and tightness check
  • Flue and extractor fan assessments
  • Issuance of official CP42 Gas Safety Certificate upon passing

Why Is CP42 So Important?

  • Legal Compliance
    Businesses must have a valid CP42 certificate renewed every 12 months. Failure to comply can lead to prosecution, closure, or invalidated insurance.
  • Staff & Customer Protection
    Gas leaks, poor ventilation, or malfunctioning appliances can lead to carbon monoxide poisoning, fires, or explosions.
  • Insurance & Fire Risk Assessments
    Most insurers require proof of a valid CP42 certificate for commercial kitchens. It’s also a key part of your building’s fire safety policy.
  • Operational Continuity
    A failed inspection or safety incident could shut your kitchen down indefinitely. Routine certification keeps you open and compliant.

CP17 Certificate – Commercial Gas Appliances & Boilers

Comprehensive Inspections for Heating, Hot Water & Plant Rooms

The CP17 certificate is required for any premises operating commercial gas-fired appliances—typically large boilers, hot water heaters, or plant room installations. If your business uses gas for heating or hot water, a valid CP17 certificate confirms your system is legally compliant and operating safely.

What Does a CP17 Inspection Cover?

  • Full assessment of boilers, heaters, burners, and associated controls
  • Checks on gas pipework integrity and pressure regulation
  • Combustion analysis and flue gas measurements
  • Inspection of safety interlocks, shut-off valves, and system functionality
  • Verification of adequate ventilation and emissions control
  • Certified report and official CP17 documentation

Who Needs CP17 Certification?

CP17 certification is required for any commercial premises that operate gas-powered appliances such as boilers, heaters, or water systems. It ensures that all gas installations are safe, compliant with legal standards, and functioning efficiently. This certification is essential for maintaining safety, avoiding legal risks, and ensuring smooth day-to-day operations.

Businesses and organisations that typically require CP17 certification include offices, corporate buildings, schools, colleges, universities, hospitals, care homes, hotels, retail centres, leisure facilities, warehouses, workshops, and industrial units. If your property falls into any of these categories, an annual CP17 inspection is a legal necessity.

Why Is CP17 Certification Critical?

  • Health & Safety Law Compliance
    Employers are responsible under the Health and Safety at Work Act 1974 to ensure gas systems are maintained and inspected by qualified professionals.
  • Avoid Fines or Legal Action
    Operating a commercial gas appliance without inspection can result in enforcement notices, prosecution, and invalidated building insurance.
  • Energy Efficiency & Performance
    A certified boiler system runs more efficiently, reducing long-term fuel costs and carbon footprint.
  • Peace of Mind for Landlords & Facilities Managers
    A CP17 certificate is often required in lease agreements and for facilities audits.

Supporting Compliance Without Disruption

Certified gas safety inspections that work around your business - quick, efficient, and always by the book.

At West London Plumbing, we know that staying compliant shouldn’t mean putting your business on hold. Our goal is to make the process of gas safety certification as smooth and non-intrusive as possible. With deep experience across hospitality, education, healthcare, and commercial premises, we understand the unique demands of each environment—and we tailor our service to fit your schedule, not the other way around.

From the moment you contact us, we focus on delivering a seamless experience: quick response times, clear communication, and professional service at every step. We handle the compliance so you can focus on running your business. Whether you’re preparing for a routine renewal or need urgent certification to reopen, we’re ready to step in with the speed and reliability West London businesses have come to count on.

What to Expect on the Day

  • 1. Arrival & Briefing
    Your Gas Safe registered engineer arrives on time, introduces themselves, and explains the inspection process. Any questions are answered before work begins.
  • 2. Full System Inspection
    We inspect all gas appliances, pipework, flue systems, ventilation, and safety controls to ensure full compliance with legal and safety standards.
  • 3. Instant Feedback
    After the inspection, we provide a clear summary of the results. If all is compliant, your certificate is issued on the same day.
  • 4. Next Steps (if needed)
    If any issues are found, we explain them clearly and offer solutions. Many minor problems can be fixed immediately, or we’ll arrange a follow-up visit.

Our Facilities Management Services in London

We offer a full range of services designed to meet the demands of traditional and modern buildings to help you stay compliant with current regulations and safety standards.

Plant Room Maintenance, Servicing and Installation in Central London

Prevent breakdowns and keep your building’s mechanical system running efficiently

Your plant room is the core of your building’s mechanical infrastructure. We provide full maintenance and installations for plant rooms, including inspection, fault finding, performance testing, and equipment servicing. Our team works on pumps, valves, boilers, calorifiers, expansion vessels, water tanks and more. Periodic plant room maintenance helps to avoid costly disruptions, improves energy efficiency, and prolongs the life of your building’s mechanical plant.

Air Conditioning Maintenance & Installation London

Professional air con servicing for all commercial systems

We install and maintain all types of commercial air conditioning systems, including split units, ducted systems and air source heat pumps. Regular maintenance keeps your system efficient and extends its lifespan, while also ensuring compliance with F-Gas regulations. Our air conditioning services include gas leak checks, filter cleaning, re-gassing and system fault diagnostics.

Emergency Facilities Support in London

Rapid response to urgent maintenance issues

Emergencies can happen anytime. That’s why we offer emergency facilities support across Central London. From water leaks to boiler breakdowns, our engineers are ready to respond quickly to prevent damage and restore operations. We aim to be on-site within hours day or night.

Commercial Plumbing Services London

Dependable plumbing for commercial and residential sites

We offer a full range of plumbing services from routine repairs to full-scale system upgrades. Our engineers handle everything from leaking taps and burst pipes to complex system diagnostics and installations. All work is completed to Water Regulations Advisory Scheme (WRAS) standards.

Hot & Cold Water Services London

Full installation and maintenance support

We manage pressurised hot and cold water systems including pipework, booster sets, and water heaters. All work complies with WRAS and Building Regs Part G, ensuring reliability, efficiency and hygiene.

Heating Maintenance and Boiler Services

Expert support for all heating systems

We maintain and repair commercial heating systems including boilers, underfloor heating and plant rooms. Regular boiler servicing ensures safe operation and efficiency helping you avoid unexpected breakdowns and extend equipment life. We work with all leading manufacturers like Vaillant, Worcester, Keston, Ideal, Glow worm.

Legionella Control & Water Treatment

Stay L8 compliant with professional water services

We provide Legionella risk assessments, water sampling UKAS approved, cold water tank cleaning, cold water tank replacement, tank chlorination, pipework chlorination. Our team helps you comply with ACoP L8 guidelines, protecting building users and ensuring water is meeting safety standards.

Cooling Tower & Chiller Maintenance London

Safe, compliant cooling system management

Cooling towers and chillers require specialist care. We deliver chlorination, inspection and regular maintenance to ensure optimal system performance. Our service includes compliance documentation and emergency response.

Water Tank Cleaning (L8-Compliant)

Ensure safe and hygienic water storage

We clean and disinfect water storage tanks in line with L8 and water safety standards. Our process removes sediment, biofilm, scale build-up, Legionella ensuring safe potable water. Suitable for both commercial and residential systems.

Commercial Water Tank Installation London

Custom water storage solutions for your building

We install bespoke water tanks that meet your property’s pressure and volume requirements. Whether for a new build or existing tank replacement we ensure compliance with Building Regulations and industry best practice.

Gas Safety Inspections (CP12 and CP17) London

Gas Safe checks for commercial and residential properties

Our Gas Safe engineers carry out detailed inspections, testing, and certification of gas appliances and systems. Whether for landlord or commercial properties we provide CP12 and CP17 inspections and certificates.

PAT Testing for Commercial and Residential Properties

Ensure electrical compliance and reducing fire risk

We test all portable electrical appliances to identify faults and prevent hazards. PAT testing ensures legal compliance under workplace health and safety regulations and gives peace of mind to landlords, employers and tenants.

Commercial Cleaning Services

Maintain a clean, professional environment

We provide cleaning services for plant rooms, communal areas, stairwells, offices and after builders cleaning. Our team is efficient, thorough and available for daily, weekly, monthly or one off cleaning contracts.

Fire Damper Testing London

Stay compliant with fire safety legislation

Fire dampers are a critical part of your building’s fire protection system, designed to contain fire and smoke through ductwork. Our certified team conducts drop testing, cleaning, and operational checks to ensure each damper activates correctly in an emergency. We follow BS 9999 standards and provide detailed reports with photo documentation for compliance and insurance purposes.

Ventilation Services for Commercial Buildings

Improve air quality and system performance

Our ventilation services help maintain healthy indoor environments and meet building regulations. We clean and inspect air ducts, service MVHR systems, and install extraction systems tailored to your space. Proper ventilation enhances air quality, controls humidity, and reduces energy consumption in offices, hotels, and residential blocks.

Planned Preventative Maintenance (PPM) Contracts

Avoid costly failures with routine servicing

PPM reduces long-term repair costs and improves system reliability. Our tailored contracts cover HVAC, plumbing, fire safety and more. We schedule regular servicing and checks to catch issues early and keep your systems running smoothly.

Grounds Maintenance London

Tidy, safe and well-maintained outdoor areas

From litter picking and hedge trimming to seasonal planting and pathway maintenance, we help keep your external spaces clean, safe and attractive. Available year-round with flexible scheduling.

Areas We Cover for Commercial Gas Safety Certification

We support buildings across:

  • Kensington
  • Westminster
  • Victoria
  • Soho
  • Marylebone
  • Holborn
  • Fitzrovia
  • Southbank
  • Knightsbridge
  • Hyde Park
  • Chiswick
  • Ealing
  • Earls Court
  • Fulham
  • Chelsea
  • Mayfair
  • Wandsworth

Get a free Commercial Gas Safety Certification Quote

Whether you need cerification for CP42/CP17, we’ve got you covered. Contact us today!

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