UK commercial-landlord gas decision guide

Start with how the building and gas equipment are used—not a universal certificate name

A shop, rented flat, hotel, restaurant kitchen, commercial boiler and LPG installation do not automatically share the same legal check or record. Identify the people using each area, every appliance, the fuel and who controls the equipment before booking.

No blanket annual-certificate claimMixed-use scope checkedLPG declared before attendance

The direct answer

There is no single gas certificate for every commercial landlord

Workplace-only gas equipment

Maintenance duty—not an automatic Regulation 36 record

HSE says landlord gas-safety duties under Regulation 36 do not apply to appliances or installation pipework used exclusively in a non-residential part. Workplace and general health-and-safety maintenance duties can still apply.

Residential or guest accommodation

Annual landlord checks can apply

Relevant appliances and flues provided for tenants, residents or guests can require annual checks and records. A boiler in a non-domestic area can remain relevant if it also serves residential accommodation.

Catering equipment

Use a catering-specific scope

Restaurant, takeaway, pub, hotel or production-kitchen appliances require the relevant commercial catering work categories. A CP42-style record is commonly requested, but its appliance and safety scope must be defined.

Commercial boilers, plant or LPG

Match the fuel and equipment categories

The record and engineer must match the actual boilers, plant, pipework, flues and controls. LPG also requires the supply, cylinders or tank, regulators and vapour pipework to be declared.

Why the old answer was changed

The former article said every commercial landlord needed a Commercial Gas Safety Certificate every 12 months. That was too broad. The correct route depends on the use of the premises, equipment served, workplace and accommodation duties, lease/control arrangements and the inspection requested.

Choose the inspection route

Match the premises and equipment before naming the record

Property or equipment Likely starting point Important scope Do not assume
Shop, office or warehouse with gas used only in the workplace Workplace gas maintenance and an inspection or service record appropriate to the equipment. Boiler, heater or plant categories; pipework, flue, ventilation, controls and the dutyholder's maintenance plan. That Regulation 36 creates an annual landlord record for every non-residential appliance.
Rented flat or other residential accommodation Annual landlord gas-safety check and record for relevant appliances and flues. Appliances provided for the tenant, flues, installation pipework maintenance, record provision and known defects. That a commercial lease or building name removes residential landlord duties.
Hotel, B&B, hostel or other guest/sleeping accommodation Landlord gas-safety duties can apply to appliances serving guest accommodation. Guest areas, boilers serving rooms, staff or other accommodation, and any separate catering or plant systems. That a kitchen or plant-room record alone covers accommodation duties.
Restaurant, takeaway, pub, café or commercial kitchen Commercial catering inspection and commonly requested CP42-style record. Every catering appliance, pipework, flexible connections, restraints, extraction, make-up air, ventilation and interlocks. That a landlord record or boiler-only engineer covers the cooking line.
Commercial boiler or plant room Commercial gas inspection, maintenance or service record matched to the plant. Fuel, input/rating, appliances, flues, ventilation, controls, pipework, areas served and operating conditions. That the word "commercial" is a complete engineer work category.
Bulk LPG or cylinder-fed commercial site Commercial LPG inspection with relevant appliance and supply competence. Tank or cylinders, storage, regulators, isolation, vapour pipework, buried pipework concerns and every appliance. That a natural-gas record is interchangeable or that the appliance is the whole LPG installation.
Mobile catering vehicle, trailer or stall Mobile-catering LPG inspection and CP44-style route where appropriate. Every appliance, cylinders, regulators, hoses, restraints, ventilation, flame safety, movement and declared unit use. That a fixed-premises CP42-style record covers a mobile unit.
Mixed-use building Separated or coordinated scopes for workplace, residential/guest, catering, plant and LPG systems. Which appliance serves which area, shared supplies, ownership/control and whether the engineer holds every required category. That one document title proves every duty and asset was covered.

Non-residential premises

"No Regulation 36 check" does not mean "no gas-safety duty"

Maintain the installation

Keep gas fittings safe

HSE tells employers to ensure gas pipework, appliances and flues are regularly maintained. The interval should reflect duties, equipment, use, condition, manufacturer instructions and appropriate standards.

Use relevant competence

Check the exact work categories

For gas work in shops, restaurants, schools and hospitals, HSE says the person must be Gas Safe registered and qualified for that work. Check the card rather than relying on the words "gas engineer".

Define the evidence

Ask what record will be supplied

A workplace may need a maintenance, service, commissioning, safety-inspection or client-specific record. Name the recipient's requirement and equipment rather than buying an undefined "commercial certificate".

Control immediate risks

Act on defects and gas escapes

Known or suspected unsafe equipment should not be used. A gas escape follows the emergency route, not an ordinary certificate booking, and the supply must not be restored until the issue is dealt with by a competent person.

Residential and guest accommodation

Trace which gas fitting serves which occupied area

Step 1

List every use

Record shops, offices, kitchens, flats, guest rooms, staff accommodation, sleeping areas, communal areas and plant rooms. "Commercial property" is not enough detail.

Step 2

Map appliances to areas

Identify which boiler, heater, cooker, water heater or plant serves each use. A boiler physically located in a workplace may still serve residential or guest accommodation.

Step 3

Check ownership and provision

State who owns and provides each appliance, who occupies the area and whether the landlord, tenant, agent or contractor controls maintenance and access.

Step 4

Separate the inspection scopes

Arrange the landlord, workplace, catering, plant and LPG checks that genuinely apply. Confirm whether these will produce one coordinated set of records or distinct documents.

Example: shop with a flat above

HSE says domestic gas duties apply to the flat. A boiler in the shop that also serves the flat can be a relevant gas fitting. A separate appliance used only by the shop is outside the Regulation 36 landlord check, although workplace maintenance duties can still apply.

Commercial catering

A catering kitchen needs its own appliance and ventilation scope

HSE says catering gas equipment, flues, pipework and safety devices must be maintained safely and inspected by a competent person. The interval can vary with the equipment, use and manufacturer guidance; HSE describes annual inspection as a reasonable general minimum, not a universal certificate rule for every commercial property.

Commercial LPG property

Declare the LPG supply as well as the appliance list

Fuel and storage

Cylinders or bulk tank

State cylinder quantities and location or the bulk-tank arrangement. Include the supplier, known isolation and any concerns about storage, access, damage or changes.

Regulation and pipework

Regulators, valves and vapour lines

Describe first- and second-stage regulation, accessible pipework and any buried metallic LPG vapour pipework. The supply system should not disappear from an appliance-only request.

Appliance categories

Boiler, catering, heating or specialist work

LPG is a fuel category, not a complete scope. The engineer must also have the relevant categories for the appliances, pipework or other work being requested.

Stationary or mobile

Fixed building versus vehicle or trailer

A mobile catering unit has movement, cylinder, hose, restraint and ventilation considerations that differ from a fixed commercial kitchen or plant room.

Lease and control

Map responsibility asset by asset

Landlord-owned plant

What is retained?

List central boilers, landlord supplies, common pipework, flues, meters, risers and shared plant. State which occupied areas they serve and who controls access.

Tenant equipment

What has been installed or altered?

Record catering lines, heaters, production equipment, tenant pipework and any unapproved or later alterations. Ownership alone does not answer every safety or control question.

Contracts

Who arranges and records work?

Review the lease, service-charge provisions, maintenance contracts and managing-agent instructions. Practical tasks should be clear and dutyholders should cooperate where responsibilities overlap.

Evidence trail

Can you prove the full scope?

Keep appliance schedules, service records, inspection findings, safety actions, repairs, access refusals and the records supplied to relevant occupiers or recipients.

Inspection frequency

Set the interval from the duty and equipment—not one marketing phrase

Situation Frequency starting point What can change it
Relevant landlord gas fitting serving rented residential or guest accommodation Annual gas-safety check under the landlord duties. Check-date flexibility rules, new appliances, tenancy timing, access and whether the fitting is relevant to the accommodation.
Commercial catering equipment HSE says intervals vary; annual inspection is a reasonable general minimum. Manufacturer instructions, equipment type, use, condition, environment, risk assessment and industry practice.
Workplace-only boilers, heaters or plant A planned safe-maintenance interval appropriate to the equipment and applicable duties. Manufacturer instructions, risk, dutyholder arrangements, use, condition, records and specialist standards.
LPG tank, cylinders, regulators or pipework A site- and component-specific maintenance and inspection plan. Supplier arrangements, written scheme requirements where applicable, installation condition, pipework material, environment and risk assessment.

Avoid the wrong booking

Send this commercial-property gas brief first

1. Premises

Postcode and every use

Office, shop, warehouse, factory, restaurant, hotel, rented flat, staff accommodation, plant room, mobile unit or another use—include all that apply.

2. People

Tenants, guests, residents and workers

Say whether anyone lives, sleeps or stays as a guest, and which landlord, tenant, employer, agent or contractor controls each area.

3. Fuel and supply

Natural gas, LPG or both

Give the meter, bulk tank or cylinder arrangement, regulator and pipework information, supplier details where relevant and photos of the installation.

4. Appliances

Every data plate and area served

List boilers, water heaters, catering equipment, heaters, laundry or specialist plant. State which areas each item heats, supplies or serves.

5. Requested result

Who wants which document?

Provide the certificate or record name used by the insurer, managing agent, local authority, client or other recipient, without assuming the label defines the scope.

6. Site conditions

Access, deadlines and known faults

Send plant-room, roof, loading, parking, permits, trading hours, extraction/interlock details, previous findings, alterations and appointment deadline.

What an inspection cannot promise in advance

Availability, price and visit scope can be checked from the submitted details. A satisfactory outcome, defect-free installation, completed repair or certificate covering undeclared equipment cannot be guaranteed before inspection.

Check the completed record

The evidence should match the work that was actually done

  • Premises and responsible party: the correct site, inspected areas and person arranging the work.
  • Fuel and supply: natural gas, LPG or both, with relevant installation details where they form part of the agreed scope.
  • Appliance schedule: every inspected appliance or item of plant, its location and identifying information.
  • Checks and results: the tests, observations, safety devices, flue, ventilation, controls or other items required by the agreed scope.
  • Defects and actions: unsafe findings, isolation, warning notices, limitations, inaccessible items and recommended remedial work.
  • Engineer competence: registered business and engineer details, date, signature and work categories relevant to the inspection.
  • Next action: maintenance, repair, reinspection, record distribution or another duty-specific follow-up.

Possible gas escape

Do not wait for a certificate appointment

HSE says that if a leak is suspected, turn off the supply if safe and immediately call 0800 111 999 for natural gas or the LPG supplier for liquefied petroleum gas. Do not turn the supply back on until the leak has been dealt with by a competent person. Evacuate and call 999 where there is fire, immediate danger or doubt.

Service areas

Regular work across London, Essex and Kent

Regular commercial and LPG work covers London, Essex and Kent. Enquiries in Hertfordshire, Surrey, Buckinghamshire, Berkshire and Sussex can also be considered when the right trade is available. Other UK areas are considered by request, subject to the premises, fuel, appliance list, engineer categories, travel and appointment requirements.

Related gas routes

Continue with the service that matches the property

Workplace boilers or plant

Commercial gas certificate

Start here for a defined inspection of commercial gas appliances, plant, pipework or related equipment.

Open the commercial gas route

Unsure who to book

Commercial gas engineer near me

Use the booking guide to match the premises, fuel, appliances, work categories, access and requested record.

Open the engineer-matching guide

Planning the quotation

Commercial gas certificate cost

See which site, fuel, appliance, access and evidence details affect a commercial gas quotation.

Open the quotation guide

Residential letting

Landlord Gas Safety Record

Use the landlord route for relevant gas appliances and flues provided for tenants in residential accommodation.

Open the landlord gas route

Commercial landlord gas questions

Commercial landlord gas certificate FAQs

Does every commercial landlord legally need an annual gas safety certificate?
No single annual certificate rule applies to every commercial letting. HSE states that Regulation 36 landlord duties do not apply to gas equipment used exclusively in a non-residential part of premises. Other workplace, maintenance and health-and-safety duties can still apply. Annual landlord gas-safety duties can apply where gas equipment serves relevant residential, sleeping or guest accommodation.
When do annual landlord gas-safety duties apply?
They apply to relevant gas appliances and flues provided for tenants in rented residential accommodation and can also apply to guest accommodation, including hotels and B&Bs. HSE says a fitting located in a non-domestic area but also serving residential accommodation can remain a relevant gas fitting. The exact premises, equipment and control arrangements should be checked.
What applies to gas equipment used only in a non-residential unit?
HSE says the Regulation 36 landlord gas-safety check does not apply to equipment or installation pipework used exclusively in a non-residential part. That does not mean no action is required: maintenance duties under workplace and health-and-safety law can apply, and gas fittings must be maintained safely by people with the relevant competence.
Does a landlord gas-safety record cover a restaurant or catering kitchen?
Do not assume it does. Commercial catering equipment requires a catering-specific scope and relevant Gas Safe work categories. A CP42-style catering record is commonly requested, but the written appliance schedule, extraction, ventilation, interlock and pipework scope matter more than the label. Residential or guest accommodation at the same site may need separate landlord checks.
Which record applies to commercial boilers or plant?
The inspection and record should match the boiler or plant, fuel, rating, pipework, flue, controls and the engineer's relevant work categories. A commercial gas inspection record may be appropriate for workplace plant, while a boiler also serving rented residential or guest accommodation may fall within additional landlord duties. Send the data plate and areas served before booking.
What changes when the commercial property uses LPG?
Declare LPG before attendance. The enquiry may include cylinders or a bulk tank, regulators, vapour pipework, isolation, storage and LPG appliances, and the engineer must hold the relevant fuel and appliance categories. An LPG supply or storage arrangement can require a wider safety and maintenance assessment than an appliance-only certificate request.
Can one gas record cover a mixed-use property?
Possibly, but only where the competent engineer and record genuinely cover every relevant area, appliance, fuel and duty. A shop with a flat above, a hotel with a catering kitchen or a site with boilers plus LPG equipment may need distinct inspection scopes or records. One certificate title should never be used to hide omitted equipment.
Who arranges gas maintenance under a commercial lease?
The lease, service contracts, ownership and control of each appliance and supply should be reviewed. Contract wording can allocate practical tasks, but dutyholders should cooperate and cannot assume that a clause removes every legal responsibility. Map who owns, controls, maintains and uses each asset before arranging the work.
Who can inspect commercial landlord gas equipment?
For gas work in premises such as shops, restaurants, schools and hospitals, HSE says the person must be Gas Safe registered and qualified for the work. Check the engineer's ID card for the correct natural-gas or LPG and appliance categories. Some industrial settings have different competence rules, so describe the premises accurately.
What details should I send before booking?
Send the postcode, every use of the building, whether anyone lives or sleeps there, landlord and tenant responsibilities, natural gas or LPG, supply arrangement, every appliance, areas served, data-plate photos, catering extraction or interlocks, access, known defects and the exact record requested by the recipient.

Need the correct inspection?

Send the property uses, fuel, appliance list and areas served

Upkeepone can check whether the enquiry involves workplace equipment, residential or guest accommodation, catering, commercial boilers, LPG or several scopes before confirming availability and a quotation. A document name alone is not enough to match the work.

Possible gas escapes must follow the emergency route above.