A new boiler in a rented property in England does not need a landlord gas safety certificate on the day it is fitted. The first safety check has to be arranged within 12 months of the installation date, and then at intervals of no more than 12 months, by a Gas Safe registered engineer — an engineer on the statutory register for gas work. The paperwork you receive at handover is not the same document. A Benchmark commissioning checklist and a Building Regulations compliance certificate record how the boiler was installed, not an annual safety check. This page sets out the dates, the record contents and the one-off flexibility that lets you line the new boiler up with the rest of the property.
Need the gas safety check after a new boiler in a let? Call 07447 364648 or WhatsApp us — or see Landlord Gas Safety Certificate (CP12).
Does a new boiler in a rented property need a gas safety certificate straight away?
A newly fitted boiler in a rented property in England does not need a landlord gas safety record on the day of installation. Regulation 36(3)(a) of the Gas Safety (Installation and Use) Regulations 1998, as amended, requires the landlord to ensure each appliance and flue is safety checked within 12 months of installation. After that, checks fall at intervals of no more than 12 months since the last one. HSE states the same duty in plain words: the check must happen within 12 months of the installation of a new appliance or flue you provide.
Read together, those rules mean the boiler swap starts a fresh 12-month period from the installation date. Our guide to landlord gas safety in England covers the wider duty behind that date.
Installing a boiler does not make a landlord gas safety record due immediately. What you must arrange is a safety check by a Gas Safe registered engineer within 12 months of the installation date, and every 12 months after that.
Does fitting a new boiler reset the check date for the other gas appliances?
Each gas appliance and flue you provide runs on its own 12-month cycle, so a new boiler does not reset the due date for anything else. A gas cooker or gas fire that you supply stays due within 12 months of its own last check. HSE confirms the landlord duty covers appliances and flues you own and make available to your tenants, including plant that serves the home without standing in it. A communal boiler in a block is one example: maintenance and the annual check are for the landlord to arrange.
Appliances the tenant owns fall outside the duty, although HSE advises including any connected flue in the check. Which items end up on one record depends on what you provide, and which appliances, pipework and flues appear on a gas safety record goes through this in detail.
Can you line the new boiler's first check up with the property's existing annual check?
Yes — the Gas Safety (Installation and Use) (Amendment) Regulations 2018 allow a one-off alignment for a new appliance in England. The date of the first safety check on the new boiler may be brought into line with the existing annual check date for the other appliances in the property. HSE sets two limits on this. The flexibility can be used only once per new appliance, and it may extend the time between installation and the first check by no more than two months.
A second timing rule works in the other direction. A check may be carried out up to two months before the due date, and the original deadline date is kept, as if the check had taken place exactly 12 months after the last one. That is useful when a boiler goes in a few weeks before the property's usual inspection month. The 12-month rule, early renewal and lapsed records are explained separately.
Is the Benchmark checklist or the Building Regulations certificate a gas safety certificate?
Neither document is a landlord gas safety record. The Benchmark commissioning checklist sits at the back of the boiler manual with the service record. Manufacturers describe it as evidence that the appliance was installed by a Gas Safe registered engineer to their instructions and in line with the relevant Building Regulations. Ideal Heating's Benchmark guidance asks the installer to complete the checklist at commissioning or service and hand it to the customer with the manufacturer documents.
The Building Regulations side is separate again. GOV.UK explains that an installer registered with a competent person scheme can self-certify that the work meets Building Regulations, notify the local authority where required, and issue a certificate within eight weeks of completion. That certificate turns up later in conveyancing searches. It says nothing about your annual gas safety duty as a landlord. Our guide to the replacement boiler installation certificate explains the three documents you should receive after the swap.
What must the landlord gas safety record show after a boiler replacement, and who gets a copy?
HSE lists the details a landlord gas safety record must contain for every appliance and flue checked. After a boiler replacement, the record should describe the new appliance and where it is, so the entry matches what is actually in the property.
- A description and the location of each appliance and flue checked
- The name, registration number and signature of the engineer who carried out the check
- The date of the check and the address of the property
- The name and address of the landlord, or the agent acting for them
- Any safety defect identified and any remedial action taken
Records must be kept for two years. A copy goes to existing tenants within 28 days of the check, and to new tenants before they move in. HSE also says issuing the record should not be delayed because defects were found.
Does the annual service for the boiler warranty count as the gas safety check?
An annual service and an annual gas safety check are two different jobs, even when one engineer does both in the same visit. HSE treats maintenance as a duty in its own right: pipework, appliances and flues must be kept in a safe condition, serviced to the manufacturer's instructions, or annually where no instructions are available. The safety check is the separate 12-month duty under Regulation 36.
Warranty terms add their own conditions after a new boiler goes in. Vaillant, for example, requires registration within 30 days of installation using the 28-digit serial number, otherwise the guarantee falls back to 12 months from the installation date. Vaillant also makes an annual service by a Gas Safe registered engineer a guarantee condition, recorded in the Benchmark logbook, with service costs not covered by the guarantee.
Our guide on the difference between a gas safety check and a boiler service sets out what each one involves. If you want the first check on a newly fitted boiler booked with a Gas Safe registered engineer, you can arrange it through our landlord gas safety certificate (CP12) service.
Sources
- The Gas Safety (Installation and Use) Regulations 1998, reg. 36
- The Gas Safety (Installation and Use) (Amendment) Regulations 2018
- HSE — Gas safety checks: who needs them?
- HSE — Gas safety checks: what if…?
- HSE — Gas safety check records and what to keep
- HSE — Gas safety checks: what needs them?
- HSE — Maintenance: gas appliances and flues
- GOV.UK — Building regulations approval: use a competent person scheme
- Ideal Heating — Benchmark Code of Practice
- Vaillant — Domestic boiler guarantee terms and conditions