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 →Gas heating · Cardiff & South Wales
A repair, a service or a new boiler. We help you understand what your home needs and choose the right next step.

Start with what you need
Choose the situation that fits your home. Each route explains the service and how to arrange the next step.
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 →Keep your boiler maintained and understand the checks needed to support safe operation and your manufacturer warranty.
Arrange a boiler service →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 →Planning a replacement
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
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
Share your postcode, current heating and priorities. We clarify whether you need a repair, service or installation conversation.
For a replacement, we assess the existing installation and your household’s needs before confirming an appropriate specification.
Understand the proposed work, price, applicable manufacturer cover and handover before deciding whether to proceed.
Tell us what is happening with your heating. We will help you choose the appropriate service.