Smoke Alarm Certificates in Wales: What Landlords Should Be Asking Their Electrician For
- Silver Oak

- 3 days ago
- 2 min read

Many landlords assume that once a smoke alarm has been installed and an electrician has issued a certificate, they have met their legal obligations.
In practice, this is not always enough.
During audits and compliance checks, landlords may be asked to demonstrate not only that smoke alarms have been installed, but also that they are correctly located, mains powered, interlinked, within their service life, and suitable for the property.
What Does the Law Require?
In Wales, landlords must ensure that:
There is at least one smoke alarm on every storey of the dwelling.
Smoke alarms are mains powered and interlinked.
Smoke alarms are in proper working order at the start of the occupation contract.
A heat alarm in a kitchen is often recommended and may be required by other fire safety standards or HMO requirements, but it does not replace the legal requirement for at least one mains-powered interlinked smoke alarm on each storey.
The Common Problem
Many electrical certificates simply state:
"Smoke alarm installed."
While this confirms that work has been carried out, it often fails to provide enough information for future compliance checks, property audits, or management records.
What Information Should Be Recorded?
When smoke alarm works are completed, landlords should ask their electrician to provide:
A Minor Electrical Installation Works Certificate.
The make and model of each smoke alarm installed.
The location of each alarm within the property.
Confirmation that all alarms are mains powered.
Confirmation that all alarms are interlinked.
Confirmation that all alarms were tested following installation.
Confirmation that activation of one alarm activates all interconnected alarms.
The expiry or replacement date of each alarm.
Why Photographs Matter
Photographs provide valuable evidence and should include:
Each installed smoke alarm.
The alarm's model number.
The alarm's expiry or replacement date.
The final installed position within the property.
Having these photographs can save significant time if evidence is required years later.
Our Recommendation
At Silver Oak Property, we recommend keeping the following documents together for every property:
Electrical Installation Condition Report (EICR).
Minor Electrical Installation Works Certificates.
Smoke alarm photographs.
Smoke alarm expiry date records.
Gas Safety Record.
EPC.
Good record keeping helps demonstrate compliance and can make audits, inspections and property management significantly easier.
If you are unsure whether your property's smoke alarms meet current Welsh requirements, contact Silver Oak Property for guidance.




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