Wales Compliance Guide

What certificates does a landlord need in Wales?

Direct answer: a Welsh landlord needs five things current at all times: a Gas Safety Certificate (CP12) renewed every 12 months, an EICR every 5 years served to the tenant within 14 days, a valid EPC rated E or above, interlinked smoke alarms on every storey plus a carbon monoxide alarm in any room with a fuel-burning appliance, and Rent Smart Wales registration (plus a licence if you self-manage).

Every one of these sits on top of, not instead of, your obligations under the Renting Homes (Wales) Act 2016. Get one wrong and the property can be treated as unfit for human habitation, which is a bigger problem than the certificate itself: it can block you from serving a valid possession notice at all.

Do I need a Gas Safety Certificate (CP12) in Wales?

Yes, for any property with a gas appliance you provide. A Gas Safe registered engineer must check every appliance and flue once every 12 months, and you must give the tenant a copy within 28 days of the check, or before they move in for a new tenancy.

This one isn't Wales-specific, it's a UK-wide duty under the Gas Safety (Installation and Use) Regulations 1998, but it's the certificate landlords let lapse most often because the renewal date creeps forward each year rather than staying fixed. Missing it is a criminal offence, not just a compliance gap.

How often do I need an EICR in Wales?

Every 5 years. Unlike England, Wales doesn't have a standalone electrical safety regulation, this requirement comes through the Renting Homes (Wales) Act's fitness for human habitation duty instead. You also need to give your contract-holder a copy of the report, and that step counts as much as the inspection itself.

That second part is where Welsh landlords get caught out. A satisfactory EICR sitting in your own files isn't the end of the job, and the deadline for serving it on your contract-holder is worth confirming with the NRLA or your solicitor, because this is an area that has been tested in court.

What EPC rating do I need for a rental property in Wales?

E or above, currently, for any property you let out. This is the same minimum as England under the Minimum Energy Efficiency Standards (MEES) rules. There has been ongoing UK-wide discussion about raising the minimum toward C by the end of the decade, but no confirmed date has taken effect.

What smoke and carbon monoxide alarms does Welsh law require?

Since 1 December 2022, every Welsh rental needs a working, mains-powered, interlinked smoke alarm on every storey, and a carbon monoxide alarm in any room with a gas, oil or solid fuel burning appliance. This comes from the Renting Homes (Fitness for Human Habitation) (Wales) Regulations 2022.

Do I need a Legionella risk assessment in Wales?

There's no Wales-specific Legionella certificate scheme. The duty to assess the risk comes from general health and safety law (the Health and Safety at Work Act 1974 and the associated Approved Code of Practice), which applies to landlords as it does to any water system operator.

It's worth doing and worth documenting, but be careful not to market it as a Rent Smart Wales requirement, because it isn't framed as one. It's good practice under a separate legal duty, and the distinction matters if a landlord ever asks why it isn't on the Rent Smart Wales checklist.

What happens if a certificate is missing or out of date?

The certificate gap itself is rarely the whole problem, it's what it triggers. A property that fails its fitness for human habitation duty can't be the subject of a valid possession notice, and Rent Smart Wales can act against your registration or licence if certificates come up missing during an audit of your portfolio.

The Landlord Mate tracks every one of these dates for you, and flags the ones that are Wales-specific separately so you're not relying on memory.

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Frequently asked questions

Is a Gas Safety Certificate the same as a CP12?
Yes. CP12 is just the trade name for the record a Gas Safe registered engineer issues after a landlord gas safety check. It confirms every gas appliance you provide is safe, and it must be renewed every 12 months, with no grace period once it expires.
How long is an EICR valid for in Wales?
Five years, the same as England, though Wales gets there through a different legal route (the fitness for human habitation duty rather than a standalone regulation). What catches Welsh landlords out is that obtaining the report isn't the whole job, you also have to serve it on your contract-holder, and a clean report sitting unserved in a drawer has landed landlords in trouble.
Can I be fined for missing certificates in Wales?
The immediate risk isn't usually a direct fine for the paperwork itself, it's what missing paperwork blocks: a property that fails the fitness for human habitation duty can't be the subject of a valid possession notice, and Rent Smart Wales can act against your registration or licence if certificates come up missing at audit.
Do these certificate rules apply to HMOs in Wales too?
Yes, and HMOs usually carry extra requirements on top, such as fire detection systems and emergency lighting set by the local authority's HMO licence conditions. Treat this page as the baseline that applies to every let, then check your specific HMO licence for what's added.
Where should I keep my certificates so I'm ready for a Rent Smart Wales audit?
Somewhere you can produce them in minutes, not days. Auditors ask for evidence across a sample of your portfolio on demand, so a shared folder you can search by property and date, rather than paper in a filing cabinet or scattered email attachments, is what actually holds up.