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Gas Safety Certificate

What Is a Gas Safety Certificate (CP12)?

A CP12, often simply called a Gas Safety Certificate, is an official document issued by a qualified Gas Safe engineer after completing a full inspection of your property’s gas system. The certificate confirms that all appliances are safe to use, correctly installed and operating within legal standards. For landlords, it is a strict legal requirement to hold a valid CP12 before any tenancy begins, and a new inspection must be completed every 12 months.
The certificate protects tenants from dangerous faults such as carbon monoxide leaks, malfunctioning boilers, or incorrect flue installation — issues that can cause serious harm if left unchecked.
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Choice

Why Home Energy EPC Is the Right Choice for Your CP12 Inspection

Choosing the right provider for your Gas Safety Certificate is crucial, and we make the process smooth from start to finish. Our engineers are Gas Safe registered, fully experienced and trained to deliver detailed, thorough inspections. We focus on reliability, fast turnaround times and absolute clarity when it comes to reporting. Our goal is to give landlords complete confidence that their properties meet all legal gas safety standards.
We also recognise that many landlords work on tight schedules, often needing certificates quickly to avoid delays in marketing or renewing a tenancy. That’s why we offer prompt appointment availability, flexible scheduling and the option for key collection from letting agents when access is difficult. Our communication is clear, friendly and transparent, ensuring you remain fully informed throughout the entire process.
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Inspection

What the Gas Safety Inspection Involves

Your engineer will carry out a complete assessment of all gas appliances, pipework and ventilation. Instead of listing everything as bullet points, here is how the process unfolds in a natural flow.
The inspection begins with a visual check of all gas appliances in the property, including the boiler, gas hob, oven, and any gas fires. The engineer looks for signs of damage, incorrect installation or potential hazards. They then assess the ventilation around each appliance to ensure that combustion gases can safely escape. This step is essential for preventing carbon monoxide build-up.
Next, the engineer tests the functionality of each appliance. They check flame stability, pressure levels, burner performance and safety devices. They also examine the flue or chimney system attached to the boiler or gas fire, ensuring that harmful gases are expelled correctly. Finally, the engineer performs a tightness test on the internal gas pipework to confirm there are no leaks.
Once all inspections and tests are complete, the engineer records their findings and issues the CP12 certificate. If any issues are identified, they will explain them clearly and outline the steps needed to bring your property back into full legal compliance.
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Importance

The Importance of Staying Compliant as a Landlord

For landlords, gas safety isn’t optional — it’s a legal duty. Failing to provide a valid CP12 can lead to severe penalties, including substantial fines and invalidated insurance policies. More importantly, it puts tenants at serious risk. A properly completed Gas Safety Certificate ensures that all occupants can live comfortably without the threat of gas leaks or carbon monoxide exposure.
Many landlords choose to align their CP12 renewal with tenancy start dates or annual property checks. At Home Energy EPC, we maintain reminders and flexible scheduling to help landlords stay ahead of deadlines. If you manage multiple properties, we can coordinate inspections efficiently and provide certificates in an organised format so that nothing is ever lost or overlooked.
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Needs

Who Needs a Gas Safety Certificate?

Every landlord renting out a property with a gas supply must hold a valid CP12. This applies to single lets, HMOs, serviced accommodation, short-term rentals and portfolio properties. Even if an appliance is rarely used, it must still be inspected annually. Homeowners are not legally obligated to obtain a CP12, but many choose to book an annual gas safety check for peace of mind and to maintain boiler performance.
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Inspection Take

How Long Does a Gas Safety Inspection Take?

Most inspections take between 20 and 45 minutes depending on the size of the property and the number of gas appliances. Larger properties or those with multiple boilers may take longer. If repairs or adjustments are needed, your engineer will advise whether they can be completed during the same visit or scheduled separately.
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Receiving

Receiving Your CP12 Certificate

Once the inspection is complete and everything is confirmed as safe, we issue your CP12 digitally. You will receive a copy by email the same day, and we can send additional copies to your letting agent or property manager if requested. The certificate is clear, easy to read and includes all necessary appliance details, readings and safety confirmations.
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Offer

Pricing and Transparency

We offer straightforward, competitive pricing with no hidden charges. Your fee includes the full inspection, certification and digital delivery. If any remedial work is required, we will provide a detailed explanation and a fair quote through our approved Gas Safe partners.
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let’s make it shine!

Book Your Gas Safety Certificate Today

If you need a fast, reliable and fully accredited CP12 inspection, Home Energy EPC is here to help. Our engineers deliver a professional, friendly service that landlords trust. Whether you need a one-off certificate or ongoing support for your rental portfolio, we ensure your property remains fully compliant all year round.
Book your Gas Safety Certificate today and keep your tenants safe, protected and legally compliant.