Gas Safety Certificates

Landlord Gas Safety Certificates – CP12 Certificates

A landlord gas safety certificate / CP12 legally needs to be carried out every 12 months by a Gas Safe registered engineer. Union Plumbing specialises in issuing Gas Safety certificates in Huddersfield, Halifax, Bradford, Leeds, and the West Yorkshire area. We have extensive experience working with Landlords and Letting agents for all Gas and Plumbing including bathrooms and boiler repairs.

Our Gas Safety certificates are issued digitally using the latest technology. We can send your certificate in real-time while at the property. Our gas testing equipment Bluetooth the readings directly into the certificate for peace of mind the appliance has been tested correctly.

Lost your Certificate? Tenant requires a copy? No problem, we store all our certificates digitally and can issue you a replacement with the touch of a button.

Click below to book a Gas Safety certificate in Huddersfield, Halifax, Bradford, Leeds, or the West Yorkshire area using our booking system below.


Gas Safety Certificates Throughout West Yorkshire

We certify, install, service and repair domestic properties as well as a wide range of commercial gas-fired heating appliances and water heaters.

  • Domestic and Commercial Plumbers
  • Domestic and Commercial Gas Engineers
  • Bathroom Installation and Tilers
  • Boiler Repair Specialists
  • Unvented Cylinders and Electric boiler Engineers

Appliance Servicing

While having an annual gas safety certificate undertaken, why not have your appliances serviced at the same time? Gas boilers need an annual service to keep any boiler warranties valid. Gas fires, cookers, and fires should all be serviced annually to ensure safe and reliable operation.


Boiler Installations

If you are looking for a boiler installation in Huddersfield, Halifax, Bradford, Leeds or Wakefield look no further. With hundreds of online reviews and competitive prices, our Engineers offer the very best service at local and affordable prices.


Small Plumbing Jobs

We don’t just do the big jobs. We work with many of the large letting agents in the area meaning we always have Engineers available to attend small jobs and minor repairs at an affordable price. Our Engineers carry stock to repair the majority of common plumbing issues on the job – first time.

Why Choose Union Plumbing

Our engineers provide Plumbers, Gas Engineers, Heating Engineers and Commercial Gas Engineer’s all over West Yorkshire. With branches in Huddersfield, Halifax, Wyke and Bradford, we deliver national branded quality at local affordable prices.

High Value For Money

Part of what makes us unique is our willingness to perform work that will last and is at a competitive price point.

We Call Ahead

Need to nip out to the shop? That’s no problem, our engineers will call ahead to let you know they are close by. No more waiting around all day.

Friendly Professional Service

We strive to be your local experts, delivering a friendly and professional service is one of our core values.

Gas Safe Registered

We are fully qualified Gas Safe Registered Engineers. So rest assured that any work carried out by Union Plumbing is Safe and Guaranteed.

Additional Extras

Central Heating Systems

  • Installation Service and Repair of all central heating systems

Heating Controls

  • Y plans, S plans and all forms of external controls installed serviced and repaired

Smart Controls

  • Control your heating from anywhere in the world


  • Powerflushing heating systems can remove blockages and increase performance

Get Expert Advice & a No Obligation Quote

Or Call us on: 01484 50 91 91

Our Process

We can work with all budgets and all kinds of heating systems. From domestic to commercial and retail – Union Plumbing and Heating LTD are your local boiler experts.


Step 1: Book

Fill out our booking form and our team will then confirm a single day and time that your Engineer will arrive. Don’t worry about waiting in all day, your Engineer will call ahead to let you know they are close by.


Step 2: Work

We specialise in the conversion of traditional tank and cylinder conversions to combis and have a vast experience of converting fire back boilers.

If you need multiple zones, under floor heating, unvented cylinders and system boilers we can help you find the right heating solution for your home or workplace.


Step 3: Get Smart

All these options can be fitted with the very latest smart controls. We can install Hive, Nest and other brands of internet controls.

More information on the Manufacturers we work with

Contact Us or Call: 01484 50 91 91

Our Branch Locations


01484 50 91 91


01422 41 83 83


01274 02 87 28

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Our Testimonials

Union Plumbing & Heating