Plumbing, Central Heating & Bathroom Installation Specialists.

Overview Of Our Services


Welcome to Thompson Services, specialist plumbers in Cardiff and across South Wales, for all plumbing and heating related services such as gas repairs, bathroom and heating installations and maintenance of central heating systems. We have been providing an expert plumbing and heating service for over 40 years and all of our staff are directly employed by us to inshore they are trained to the highest standards.


We cover all of South Wales, and we are available Monday to Friday 8am until 5.00pm. When we come out to you we will always give a fully guaranteed quote with no added extras before we start work.



Over 40 Years In The Trade

Fully Insured For 5 Million 

Gas Safe Registered

Worcester Accredited Installer's

Free Bathroom & Central Heating Quotations

Checkatrade Registered


Office - 02922 218411

Email -



Plumbing Repairs

Toilet repairs, tap replacements, washing machine/dishwasher installations. No job is too small.

Bathroom Installations

We have our own directly employed specialist bathroom installation team, ready to take on any bathroom renovation project. 


Wetroom Installations

We are a specialist wetroom installation company, installing tailer-made wet rooms. We will work with you to help design your proposed new wetroom.


Looking for an idea on how much your new boiler and or central heating installation is going to cost, complete our online calculator and we will provide you with a detailed quotation.

Boiler Replacements

Thompson Services are Worcester accredited installers, we can offer a massive 7 year guarantee as standard on all installations, we also offer a wide range of other boiler manufacturers to suit everyone's budgets.

Boiler Scrappage Scheme Wales

Thompson Services are pleased to offer customer's £400.00 off the installation of their new glow worm combination boiler, as part of the boiler scrappage scheme in wales.

Gas Safety Certificates

Gas Safety Certificates from just £48.00 inc vat, we will arrange access with the tenants and send out annual reminders for future gas safety certificates.

Boiler Servicing & Repair

In need of an annual boiler service or just a one off boiler service, we charge a fixed price of £48.00 inc vat for a boiler service, which comes with a free central heating check. Our boiler repair costs start from just £69.00 inc vat.

Legionella Risk Assessments

Domestic legionella risk assessments cost just £48.00 inc vat for a full assessment of your property, contact us today for more information.

Job Vacancies

Thompson Services are always on the look out for highly trained gas safe registered plumbing and heating engineers. Please feel free to send us your cv.

For more information on job vacancies click below.

Email -

Phone - 02922 218411

Checkatrade Accredited 

We are a checkatrade accredited company, all customers are invited to leave unbiased reviews on our work and services.

Members Of The IPHE

We are members of the institute of plumbing and heating engineers.


Gas Safe Registered

We are a gas safe registered company, all engineers are trained to the highest standards.

Our gas safe number is 152095

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Thompson Services Heating, Plumbing and Bathroom's 21 Miskin Street, Cathays, Cardiff, CF24 4AQ