Preparing for a commercial gas inspection
Build an appliance list before you arrange the checks
A commercial gas appliance checklist helps you prepare the site and information for an inspection. Start with the premises use, natural gas or LPG, supply arrangement and every appliance to be checked. Add previous findings, access restrictions and the document you have been asked to provide.
Use the checklist to brief the engineer and review the agreed work. The technical inspection and any gas work need the right competence; gathering a list does not establish that equipment is safe.
Before using the checklist
Start with the premises, fuel, equipment and purpose
Where and how is gas used?
Describe workplace, catering, industrial, mobile, residential, guest or sleeping uses and who owns, controls, maintains and operates the installation.
Natural gas, LPG or both?
Declare the meter, bulk tank or cylinders, regulators, pipework, isolation and any supply changes. The engineer needs the correct fuel categories.
What belongs in the scope?
List every appliance plus pipework, flues, chimneys, ventilation, extraction, make-up air, interlocks, controls and safety devices relevant to the installation.
Inspection, service, repair or record?
State the work requested and the document wording used by the client, insurer, landlord, managing agent, local authority or other recipient.
Use information you can obtain safely
Gather existing records and photograph labels only where they are safely accessible. Leave covers, connections and controls undisturbed. If a detail cannot be obtained without moving or opening equipment, tell us what is missing so access can be planned.
Choose the correct checklist route
Different installations need different records and work categories
These examples help you describe the job; they are not a list of installations that can all be booked without further checks. Upkeepone must confirm support for the equipment, fuel and proposed work. The HSE and legal references in this guide concern Great Britain; Northern Ireland requirements need separate consideration.
| Installation | Starting record or service route | Extra checklist items | Do not assume |
|---|---|---|---|
| Commercial boiler, heater or plant | Commercial inspection, service or maintenance record matched to the plant. | Fuel, rating/input, flues, ventilation, controls, interlocks, pipework and areas served. | That one generic commercial category covers every boiler or item of plant. |
| Fixed commercial catering kitchen | Commercial catering inspection. CP42 is the CORGI form reference for recording the catering environment and gas appliances. | Every appliance, connection, restraint, extraction, make-up air, ventilation, flame safety and gas interlock. | That CP42 covers unrelated plant, accommodation or mobile units. |
| Mobile catering vehicle or trailer | For a catering van or trailer using LPG, discuss the vehicle-specific inspection and CP44 record. Give details of any freestanding stall or gazebo so that arrangement is considered on its own. | Cylinders, regulators, hoses, restraints, ventilation, every appliance, movement and declared unit use. | That a fixed-kitchen report covers a vehicle, or that a vehicle/trailer form covers a freestanding stall. |
| Rented residential or guest accommodation | Landlord Gas Safety Record for relevant appliances and flues. | Appliance ownership, areas served, tenant or guest use, flues, records and separate workplace equipment. | That a commercial building label removes accommodation duties. |
| Commercial LPG premises | Commercial LPG inspection matched to appliances and supply categories. | Tank or cylinders, storage, regulators, service pipework, isolation, appliance list and buried pipe concerns. | That an appliance record covers the complete LPG installation. |
| Factory, agricultural or specialist industrial plant | Competence and evidence scope defined from the site, process and applicable duties. | Exact process, plant, pressure systems, supply, risk controls, standards and specialist competence. | That rules for shops or restaurants can simply be copied. |
Engineer verification
Check the business, person, fuel and appliance categories
Verify the provider
Use the Gas Safe Register or HSE check route where the work is within that scheme. Confirm that the business accepting the job matches the registration.
Check the person attending
Compare the photograph with the person attending, and check the engineer’s licence number, business details and expiry dates. Verify the information with Gas Safe Register where the work falls within its scheme.
Read the reverse of the card
Check natural gas or LPG plus the exact boiler, catering, pipework or other categories needed. Registration does not grant every category.
Describe industrial work accurately
Explain the process and any specialist plant. HSE distinguishes certain industrial settings from shops and restaurants; residential or sleeping areas can bring different requirements. The proposed work needs its competence assessed before a contractor accepts it.
Pre-booking checklist
Prepare these details for the inspection quotation
- Premises: postcode, business type, every use of the site and whether anyone lives, sleeps or stays as a guest.
- Responsible parties: landlord, tenant, employer, operator, managing agent, maintenance contractor and who controls access.
- Fuel and supply: natural gas, LPG or both; meter, tank or cylinders; regulators, pipework, isolation and supplier where relevant.
- Appliance schedule: every boiler, water heater, cooker, oven, fryer, grill, heater, laundry appliance or item of plant.
- Identification: location, manufacturer, model, rating/input, areas served and readable data-plate photos where these can be taken safely.
- Flues and ventilation: flue or chimney arrangements, fixed vents, mechanical extraction, make-up air and known obstructions.
- Catering safety systems: flexible connections, restraints, flame supervision, extraction and gas-supply interlock details.
- LPG installation: cylinder storage or bulk tank, regulators, vapour pipework, known buried sections and changes to the supply.
- History: previous records, services, defects, warning notices, isolation, repairs, alterations and unresolved recommendations.
- Required outcome: exact document requested, recipient, deadline and whether inspection, service, repair or commissioning is needed.
- Access: trading hours, shutdown window, parking, permits, loading, keys, escorts, security and the responsible site contact.
Mark missing information and plan access
Use “unknown” where a rating, pipe route or supplier boundary has not been confirmed. State who can provide it rather than guessing. Tell us if equipment cannot be reached safely, and identify the person authorised to arrange access and an agreed shutdown.
Checks may interrupt cooking, heating or hot water. Explain your trading hours and which services the site depends on so suitable arrangements can be discussed. Have manuals, previous records and safe photographs ready; ask how to share them, as the commercial enquiry form has no upload field.
Agree the inspection scope
The competent person determines the technical checks required
Agree the appliances, installation boundary and record before the visit. The engineer must still complete the safety checks required for the work. A separate installation tightness test, purging, servicing, repairs or commissioning should be expressly scoped. Assessing ventilation or interlocks for gas safety does not automatically include extraction cleaning, system design or electrical work.
| Scope area | Information to make available | What the final record should clarify |
|---|---|---|
| Appliances and plant | Asset list, data plates, location, operating information, manuals, previous service and known faults. | Which items were inspected, results, defects, limitations and safety action. |
| Natural-gas supply and installation pipework | Meter, isolation, accessible route, previous test information, damage, alterations and responsibility boundary. | What pipework checks formed part of the agreed visit and what remains a separate maintenance task. |
| LPG supply and service pipework | Tank or cylinders, supplier, storage, regulators, isolation, pipe route, materials, burial and inspection history. | Which supply components were examined and which owner, supplier or specialist actions remain. |
| Flues, chimneys and combustion | Flue route, terminations, shared systems, access, known damage and previous combustion or spillage concerns. | Checks completed, inaccessible sections, measurements, defects and remedial requirements. |
| Ventilation and catering extraction | Fixed vents, mechanical extraction, make-up air, interlock, recent alterations and operating arrangements. | Conditions tested, interlock or ventilation findings, limitations and required action. |
| Controls and safety devices | Emergency isolation, flame supervision, interlocks, alarms where required or installed and operator procedures. | Devices included, functional results, defects and any equipment left off or isolated. |
| Records and recipient requirements | Previous document, client wording, insurer or agent request, appliance schedule and applicable duty. | The record name, site, fuel, scope, date, engineer details and distribution or retention action. |
Operator observations between inspections
Know what staff can observe and when to stop using equipment
Record and report
Report damaged casing, pipework, flues, connectors, hoses, regulators, ventilation grilles, restraints or controls. Do not dismantle or reconnect equipment.
Stop and escalate where unsafe
Unusual noise, smell, repeated shutdown, alarm activation, soot, scorching or unstable operation needs competent attention. Do not rely on an internet checklist to diagnose it.
Keep designed openings unobstructed
Do not block fixed air inlets, flues, chimneys or designed extraction. Changes to ventilation or kitchen layouts should be assessed rather than improvised.
Follow the site-specific plan
Where alarms are required or installed, follow the correct testing, maintenance and response arrangements. An alarm never replaces safe equipment or emergency action.
Suspected gas escape
Do not continue through the checklist. Turn off the supply if safe, follow the emergency route below and do not turn it back on until the issue has been dealt with by a competent person.
Completed-record checklist
Check that the document matches the inspection you ordered
Use the points below to review the supplied paperwork. Required entries vary with the record and applicable duty. For a fuller explanation of schedules, findings and limitations, see how to read a commercial gas safety record.
Correct premises, fuel and areas
Confirm the address, responsible party, natural gas or LPG, inspected areas, supply boundary and requested record.
Every agreed appliance listed
Check location, identifying details and result for each asset. An omitted appliance is not covered by the certificate heading.
Results, defects and limitations
Review safety actions, measurements where relevant, inaccessible items, isolation, warning notices and recommended remedial work.
Business, person and date
Check registered business and engineer details, signature, inspection date and that the relevant work categories were matched before attendance.
Repair, reinspection or maintenance
Record who will complete remedial work, whether equipment remains unused and whether another visit or updated evidence is required.
Give the record to the right recipient
Follow the applicable landlord, workplace, client or contractual requirements rather than filing the document without action.
Inspection and maintenance timing
Keep the checklist current between planned checks
| Situation | Timing starting point | Checklist review trigger |
|---|---|---|
| Relevant landlord appliance or flue | Annual check under the landlord duties where the fitting serves relevant rented residential or guest accommodation. | Tenant, appliance, flue, access, ownership or accommodation change. |
| Commercial catering equipment | HSE catering guidance describes annual inspection as a reasonable general minimum, taking account of equipment, use and manufacturer recommendations. This is guidance, rather than one annual-certificate law for all businesses. | Equipment, manufacturer guidance, intensity of use, layout, extraction or interlock change. |
| Workplace-only boiler or plant | Suitable planned maintenance based on duties, risk, use, condition, manufacturer guidance and standards. | Fault, repair, alteration, new equipment, changed use or previous finding. |
| LPG service pipework | Regular inspection and maintenance with the next interval set by a competent person. | Damage, corrosion, groundworks, route uncertainty, regulator or supply change. |
Record relevant insurer, lease or client conditions separately from statutory duties. They may affect the evidence or timing requested for your site. Use the inspection interval guide when planning the next check.
LPG checklist routes
Match the checklist to the fixed, landlord or mobile installation
Commercial LPG gas certificate
Declare the appliances and tank or cylinder supply. Confirm which regulators, pipework and other installation elements are included, and which remain with an owner, supplier or specialist.
LPG landlord certificate
For relevant LPG appliances and flues provided for tenants, with ownership, areas served and supply details checked first.
Catering vehicle or trailer
List the vehicle or trailer equipment, cylinder supply, regulators, hoses, restraints and ventilation. Mention any separate stall or event arrangement so its inspection needs can be assessed.
UK LPG certificate hub
Compare the existing LPG service information, then describe the installation and requested work so support can be confirmed.
Service areas
Where to enquire about a commercial gas inspection
For commercial inspections using natural gas or LPG, London, Essex and Kent are our priority areas. We also cover Hertfordshire, Surrey, Buckinghamshire, Berkshire and Sussex. Enquiries elsewhere in the UK are considered by request.
Attendance is subject to the postcode, installation, access, travel and availability of an appropriately qualified engineer. We confirm the particular equipment, inspection and appointment arrangements before accepting a booking; a covered postcode does not establish support for every specialist system.
Possible gas escape
Stop the checklist and use the emergency route
If you suspect a gas escape, stop work and leave the affected area. Call from a safe place: 0800 111 999 for natural gas in Great Britain, or your LPG supplier for LPG. Avoid ignition sources; isolate the supply only if safe to do so. For fire or immediate danger, call 999. Keep unsafe equipment out of use and do not restore the gas supply until a competent person has dealt with the problem.
Related commercial guides
Move from checklist to the correct inspection
How to get a commercial gas certificate
Follow the full path from premises and appliance scope to engineer verification, quote and completed record.
How long is the record valid?
Separate annual landlord checks, catering guidance, workplace maintenance and LPG inspection schedules.
Which gas certificate applies?
Identify workplace-only equipment, residential or guest accommodation, catering, plant and LPG duties.
Commercial catering gas certificate
Discuss the cooking appliances and relevant pipework, ventilation, extraction and interlocks. Agree the safety-inspection scope and any separate work before booking.
Primary UK sources
Build the checklist from current official guidance
HSE: Gas Safe ID cardsThe engineer identity and expiry on the front and work categories on the reverse.
HSE: GSIUR Approved Code of Practice (PDF)Scope of the regulations, duties and guidance, including the distinction between alarms and gas-equipment maintenance.
HSE CAIS23: catering gas safety (PDF)Industry guidance for the use and maintenance of gas-fired catering equipment.
HSE: installation pipework maintenanceWhy pipework maintenance is distinct from the landlord annual appliance and flue check.
HSE: LPG service pipeworkOwnership, route, materials, pressure, inspection, maintenance and replacement considerations.
Gas Safe Register: registration rules (PDF)Engineer licence cards, registered businesses and work categories.CORGI Direct: CP42 form purposeCatering environment and gas-appliance inspection record.CORGI Direct: CP44 form purposeSafety-check record for mobile catering vehicles and trailers.
Checklist questions
Commercial gas appliance checklist FAQs
What should be on a commercial gas appliance certification checklist?
Does every commercial appliance need the same certificate?
Who can complete the technical commercial gas checks?
Can business staff complete the appliance inspection themselves?
Should pipework be included in the checklist?
What catering-specific items should be declared?
Are carbon-monoxide alarms mandatory beside every commercial gas appliance?
What happens when an appliance fails the inspection?
How often should the checklist be reviewed?
What should I send Upkeepone before booking?
Ready to scope the inspection?
Send the premises, fuel, supply and complete appliance list
Use the commercial inspection form to provide the postcode, premises type, fuel and appliance list. Add previous defects, access arrangements, any shutdown restrictions and your deadline. We review the information, proposed scope and quotation before an appointment is agreed.
Possible gas escapes must follow the emergency route above.
