Plumbing, Central Heating & Bathroom 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 ensure 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.



40 Years In Business

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.

Boiler cover options from £19.00 a month

Protect your home or rental property with our exclusive range of boiler, heating, plumbing maintenance cover options, from just £19.00 a month.

Boiler Replacements

Thompson Services are Worcester accredited installers, all Worcester boiler installations come with a 10 year guarantee as standard, we also offer a wide range of other boiler manufacturers to suit everyone's budgets.

Power Flushing

Looking for a powerflush of your central heating system, our prices start from just £399.00 inc vat.

Gas Safety Certificates

Gas Safety Certificates for just £50 + 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 £65.00 + vat for a boiler service, which comes with a free central heating check. Our boiler repair costs start from just £75.00 + vat.

Legionella Risk Assessments

Domestic legionella risk assessments are just £65.00 + vat for a full assessment of your property. Contact us today for more information.

Landlord Boiler Maintenance Contracts

Protect your home or rental property with our exclusive range of boiler, heating, plumbing maintenance cover options, from just £19.00 a month.

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.

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