
Gas Safety Checks
Gas safety is not just a legal requirement for landlords — it is essential for every home. Our Gas Safe registered engineers carry out thorough gas safety inspections, ensuring your appliances are operating safely and efficiently. We issue official Gas Safety Certificates (CP12) for landlords.
James Plumbing & Heating provides Gas Safety Certificates (CP12) and comprehensive gas safety inspections across Twickenham and surrounding areas. As Gas Safe registered engineers, they inspect all gas appliances, check for carbon monoxide risks, and issue official certificates required by landlords.
What We Offer
Our comprehensive gas safety services cover everything you need.
Why Choose Us for Gas Safety Checks
Gas safety is not just a legal requirement for landlords — it is essential for every home. Our Gas Safe registered engineers carry out thorough gas safety inspections, ensuring your appliances are operating safely and efficiently. We issue official Gas Safety Certificates (CP12) for landlords.
All work is carried out by Gas Safe registered engineers who hold City & Guilds qualifications. We are fully insured with public liability cover and provide insurance-backed warranties through Simply Business, giving you complete peace of mind.
Based in Twickenham, we serve homes and businesses across West London, South West London, Surrey, and Berkshire. We offer free, no-obligation quotes on all work and pride ourselves on transparent, competitive pricing with no hidden charges.

Frequently Asked Questions
Common questions about our gas safety services.
How much does a gas safety certificate cost?
We offer competitive pricing for gas safety checks and CP12 certificates. Contact us for a quote — prices may vary depending on the number of gas appliances in the property.
How often do landlords need a gas safety check?
Landlords are legally required to have gas safety checks carried out annually on all gas appliances and flues in their rental properties. We can set up annual reminders for your convenience.
What is a CP12 gas safety certificate?
A CP12 is the official Gas Safety Certificate issued after a gas safety inspection. It records the condition of all gas appliances, confirms they are safe to use, and is legally required for all rental properties in the UK.
Can you install carbon monoxide detectors?
Yes, we supply and install carbon monoxide detectors. Since October 2022, landlords in England are legally required to have CO alarms in any room with a fixed combustion appliance (except gas cookers).
What should I do if I smell gas?
If you smell gas: open windows, do not use electrical switches or naked flames, turn off the gas at the meter if safe to do so, leave the property, and call the National Gas Emergency Service on 0800 111 999. Then call us for follow-up repairs.
Need Gas Safety Checks? Get in Touch
Contact us today for a free, no-obligation quote. Our Gas Safe registered engineers are ready to help with all your gas safety needs.
Our Other Services
Explore the full range of plumbing and heating services we offer.



