Commercial Gas Safety Certificate (CP42) London
Start from £149.99
Same-Day Service
Gas Safe Registered Engineers | Serving All London Areas Within the M25
⚠️LEGAL REQUIREMENT FOR COMMERCIAL PROPERTIES
Under UK gas safety regulations, commercial property owners and business operators must ensure all gas systems are safe and regularly inspected.
Failure to comply can result in:
• Heavy fines and legal penalties
• Business closure
• Invalid insurance
• Serious health and safety risks
• Carbon monoxide exposure
- Ensure your business remains compliant — book your CP42 inspection today.
Yes, for all commercial properties with gas appliances.
Every 12 months.
30–90 minutes depending on size and appliances.
Only a Gas Safe registered commercial engineer.
WHAT IS CONSIDERED A GAS APPLIANCE?
The following are counted as gas appliances during a CP42 inspection:
- Radiators are part of the boiler system and are not counted as separate appliances.
Do You Want To Book Multiple Services?
PRICING SECTION
Commercial Gas Safety Certificate (CP42) Pricing – All Inclusive (No Hidden Costs)
WHAT IS A COMMERCIAL Gas Safety CERTIFICATE (CP42)?
A Commercial Gas Safety Certificate (CP42) is an official document issued by a Gas Safe registered engineer confirming that all gas appliances, pipework, and flues in a commercial property are safe and compliant with UK gas safety regulations.
This certificate is legally required for businesses, landlords, and property managers operating commercial premises such as:
- Restaurants
- Cafés
- Shops
- Offices
- Industrial units
CP42 QUICK FACTS
- Validity: 12 months
- Legal Requirement: Yes (commercial premises)
- Inspection Time: 30–90 minutes
- Includes: Appliances, pipework, flue systems
- Certificate Delivery: Same day or within 24 hours
AREAS WE COVER
We provide CP42 certificates across all London areas within the M25 with fast response times.
Islington, Camden, Barnet, Enfield, Haringey, Finchley, Tottenham, Wood Green, Southgate
Stratford, Ilford, Barking, Dagenham, Romford, Leyton, Walthamstow
Croydon, Greenwich, Lewisham, Brixton, Clapham, Wimbledon, Tooting
Ealing, Hounslow, Acton, Hammersmith, Fulham, Uxbridge, Southall
Westminster, Kensington, Chelsea, Soho, Mayfair, Holborn
Harrow, Wembley, Watford, Borehamwood, Dartford, Bromley, Kingston, Richmond, Twickenham
We offer same-day CP42 inspections across London for:
- Restaurant openings
- Urgent compliance checks
- Council inspections
- Insurance requirements
👉 Contact us now for fast booking
BOILER & FLUE SAFETY CHECKS
A key part of the CP42 inspection is the boiler and flue system.
The engineer will:
• Inspect the flue for damage or leaks
• Ensure proper sealing and ventilation
• Perform flue gas analysis using a gas analyser
• Measure carbon monoxide (CO) levels
A damaged or leaking flue can allow toxic gases into your premises, posing serious risks.
WHY CHOOSE US
- Gas Safe Registered Commercial Engineers
- Same-Day Certificates Available
- Transparent Pricing
- Fast Response Across London
- Experienced with Commercial Properties
- Free Quotes for Remedial Work
WHAT WE CHECK DURING A CP42 INSPECTION
Comprehensive Commercial Gas Safety Inspection Includes:
Gas Appliances
- Safe operation and performance
- Burner and ignition system checks
- Flame supervision device testing
Gas Pipework
- Tightness testing for leaks
- Proper installation and condition
Flue & Ventilation
- Flue integrity and safe discharge of gases
- Carbon monoxide testing
- Adequate ventilation compliance
Boiler & Plant Equipment
- Flue gas analysis
- Combustion efficiency
- Safety controls and pressure checks
COMMERCIAL COOKER / HOB SAFETY
During inspection of commercial cookers and hobs, we check:
- Ignition system functionality
- Gas tightness and leak detection
- Burner performance
- Overall appliance condition
COMMON REASONS COMMERCIAL PROPERTIES FAIL CP42
- Gas leaks in pipework
- Faulty commercial boilers
- Blocked or damaged flues
- Poor ventilation
- Unsafe appliance installation
WHAT HAPPENS IF YOU FAIL?
- Appliances may be classified as “At Risk” or “Immediately Dangerous”
- Unsafe equipment may be disconnected
- You will receive a report with required actions
- After repairs, a new CP42 certificate is issued
We provide fast remedial work to get you compliant quickly.
- Typical Repair Costs: £100 – £500+ depending on issue
PEOPLE ALSO ASK– GAS SAFETY CERTIFICATE
Yes, for all commercial properties with gas appliances.
Every 12 months.
30–90 minutes depending on size and appliances.
Only a Gas Safe registered commercial engineer.
FAQ's
Frequently Asked Questions
Yes, we specialise in commercial kitchens and business premises.
Yes, in most cases within 24 hours.
We provide a detailed report and offer quick repair solutions.
