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Gas heating · Cardiff & South Wales

Good heating starts with the right advice.

A repair, a service or a new boiler. We help you understand what your home needs and choose the right next step.

SwiftHeat UK engineer testing a Worcester Bosch boiler with a measuring instrument
Careful testing. Clear advice. Heating you can trust.

Start with what you need

How can we help with your gas heating?

Choose the situation that fits your home. Each route explains the service and how to arrange the next step.

My boiler needs a repair

No heating, unreliable hot water or a recurring fault? Start with diagnostics so you understand the problem before replacing parts.

Get help with a boiler repair →

My boiler needs servicing

Keep your boiler maintained and understand the checks needed to support safe operation and your manufacturer warranty.

Arrange a boiler service →

I’m considering a new boiler

Explore a suitable boiler arrangement for your home, then confirm the specification and installation cost with a property assessment.

Find the right boiler for my home →
Not sure whether to repair or replace? You do not need to choose a boiler first. Talk to us about your existing system →

Planning a replacement

The right boiler starts with your home.

Boiler size and type depend on more than the number of bedrooms. Your hot-water demand, existing cylinder, heating system and available space all matter.

Find My Boiler asks six questions to help you explore suitable options. Select mains gas as your fuel. A survey confirms the final specification, warranty eligibility and complete quotation.

Explore at your own pace

Have a manufacturer in mind?

Explore the manufacturer guides for range information and warranty details. If you are unsure, use Find My Boiler first—we can discuss the suitable options with you.

A clear installation journey

What happens after you get in touch?

  1. 01 · UNDERSTAND

    Tell us what you need

    Share your postcode, current heating and priorities. We clarify whether you need a repair, service or installation conversation.

  2. 02 · ASSESS

    Check the property and system

    For a replacement, we assess the existing installation and your household’s needs before confirming an appropriate specification.

  3. 03 · RECOMMEND

    Receive a clear quotation

    Understand the proposed work, price, applicable manufacturer cover and handover before deciding whether to proceed.

Let’s find the right next step.

Tell us what is happening with your heating. We will help you choose the appropriate service.