Landlord Gas Safety Certificates Cardiff
CP12 Certificates Issued By Gas Safe Engineers
Clear, compliant gas safety checks to help landlords meet their legal responsibilities with confidence.
Book an Engineer →Your Local Plumber in Cardiff
We are Cardiff-based plumbers providing compliant CP12 inspections for rental properties and managed accommodation.
Gas Safe Registered (518700)
NJ Harkus is Gas Safe registered (518700), City & Guilds qualified and CIPHE members, with full public liability insurance for all plumbing, heating and gas work.
Highly Recommended & Reviewed
Our landlord gas safety services are trusted across Cardiff and backed by over 1,000 five-star Google reviews.
CP12 Gas Safety Certificates For Landlords
Helping Landlords Meet Legal Duties
Landlords are legally required to ensure gas appliances and installations within their rental properties are checked annually. At NJ Harkus, we provide landlord gas safety checks across Cardiff, issuing CP12 certificates following thorough inspection by Gas Safe-registered engineers.
Our engineers inspect gas appliances, flues, and associated pipework to confirm safe operation and compliance with current regulations. Once the inspection is complete, we issue the landlord’s gas safety certificate and clearly explain any findings or recommendations.
A landlord’s gas safety check typically includes:
- Inspection of gas appliances and flues
- Gas tightness and pressure checks
- Visual checks of pipework and ventilation
- Confirmation of safe operation
- Issuing of a CP12 gas safety certificate
We always aim to conduct our inspections efficiently with minimal disruption to your tenants.
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Landlord Gas Safety Certificates Across Cardiff & The Surrounding Areas
We provide landlord gas safety certificates across Cardiff and surrounding areas, including Penarth, Barry, Dinas Powys, Radyr, Roath, Pontcanna and Llandaff. As a local company, we work with landlords, letting agents, and property managers throughout the area. If you are unsure whether we cover your location, please contact u,s and we will be happy to confirm.
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We Are Highly Recommended in Cardiff & The Surrounding Areas
CP12 Requirements For Landlords & Agents
Protecting Tenants & Property
Any landlord renting a property with gas appliances must hold a valid landlord gas safety certificate. This applies to single-let properties, HMOs, and managed accommodation, with certificates needing renewal every 12 months.
Letting agents and property managers also rely on compliant gas safety certification as part of tenancy management. Our engineers work closely with agents and landlords to ensure inspections are completed on time and documentation is issued correctly.
If issues are identified during the inspection, we explain what is required to achieve compliance and can carry out remedial work where appropriate.
Why Landlords Choose NJ Harkus
Compliance You Can Rely On
NJ Harkus is a family-run plumbing and heating company with over 15 years’ experience carrying out gas safety inspections across Cardiff. Our Gas Safe-registered engineers take a professional, methodical approach to landlord gas safety checks.
With over 1,000 five-star Google reviews, our CP12 services are trusted by landlords and agents who value accuracy, clear communication, and dependable service. We ensure certificates are issued promptly and explain any findings clearly, helping you stay compliant with confidence.
Frequently Asked Questions
Our Gas Safety Certificate FAQs
How often is a CP12 required?
Landlord gas safety certificates must be renewed every 12 months.
Do I need a CP12 for every rental property?
Yes, each rental property with gas appliances requires its own certificate.
Can tenants be present during the inspection?
Yes, inspections are often carried out with tenants present.
What happens if my property fails the inspection?
We explain the issues clearly and advise on remedial work required for compliance.
