Certified Gas Installations
for Landlords

ALW Heating Services offer gas appliance testing and are able to provide you with a Landlords Gas Safety Certificate giving both you and your tenant peace of mind.

Experience that matters :

Landlord Gas Safety Certificates

All landlords are obliged to provide tenants with safe and well maintained gas appliances. This needs to be proven legally with a new Landlords Gas Safety Inspection Certificate CP12 every 12 months.

ALW Heating Services engineers are Gas Safety Registered and are up to date with the latest safety regulations. We are able to conduct safety inspections to ensure that all gas appliances and installations are working within acceptable parameters at the time of inspection and who can, consequently, provide this safety inspection certificate.

Ensure Legal
Compliance

Landlords must provide a valid CP12 certificate every 12 months. We carry out full safety checks so you meet your legal obligations and keep your property compliant.

Protect Your
Tenants

A Gas Safety check ensures boilers, cookers, and other appliances are operating safely. This reduces the risk of carbon monoxide leaks, faults, and potential hazards in the home.

Certified Gas
Safe Engineers

Our engineers are fully Gas Safe Registered and stay up to date with current regulations. You can rely on us to inspect your property to the highest safety standards.

Hassle-Free
Annual Checks

We can handle your yearly renewals, reminders, and multi-property inspections—keeping all your safety certificates up to date in one simple, organised package.

All your safety certificates in
one package

Landlords and agents can arrange all the gas installation certificates you need with ALW Heating Services, and this offers the opportunity to consolidate costs and save time. We complete certificates on-site and send them to you promptly by email. When any issues are identified, we can provide the best professional advice on remedial work that is needed.

We are
Gas Safe
registered

We are
Gas Safe registered

ALW Heating Services takes gas safety seriously.
All of our engineers are on the Gas Safe Register.

If you would like to find out more about Gas Safe Register you can call 0800 408 5500 or visit the Gas Safe Register website.

Our frequently asked questions

Find answers to our frequently asked
questions or feel free to get in touch

A CP12 is a legal certificate confirming that all gas appliances, pipework, and flues in a rental property have been checked by a Gas Safe registered engineer and meet safety standards. It must be renewed every 12 months.

All landlords in the UK must have a valid Gas Safety Certificate each year to comply with legal regulations. Homeowners aren’t required to, but annual checks are strongly recommended for safety.

We inspect all gas appliances — including boilers, hobs, fires, and pipework — checking for leaks, correct ventilation, and safe operation to ensure everything runs efficiently.

Most checks take 30–60 minutes, depending on the number of appliances. Your CP12 certificate is usually emailed the same day.

If an issue is found, we’ll explain it clearly and recommend the best solution. Our engineers can usually carry out repairs or servicing quickly to make it safe.

Yes. We work with landlords and letting agents to arrange checks across several properties, consolidate costs, and send all certificates digitally for convenience.

Certified Gas Installations for Landlords