Baxi is a leading manufacturer of heating and hot water solutions

The Boiler Upgrade Scheme is a Government grant of £7,500 to support with the upfront costs of installing low carbon heating systems, such as an air source heat pump, subject to eligibility. A temporary uplift of £1,500 was also introduced in July 2026 to provide additional support for off-grid property owners.

Your filter should be cleaned during your boiler’s annual service. This will prevent sludge building up in your system. Some filters come with an app that can warn you when they filter needs to be cleaned, so that you can arrange for your installer to visit before it gets too full.

It is advisable to have a carbon monoxide detector installed at your property for yours and your family’s safety.  

Central heating sludge is a substance that builds up in central heating pipes as a result of rusted and dissolved metal settling in the system.

Having a magnetic filter installed is considered best practice when installing a new boiler, and your installer will be required to carry out a series of important steps to ensure their work is compliant with the Building Regulations in England and Wales. 

Benchmark is a nationally recognised scheme that gives manufacturers and installers the responsibility for ensuring best practice when fitting heating and hot water systems, in line with the Building Regulations in England and Wales.

There are four main types of cylinder: vented or unvented, and direct or indirect. You will likely need a new cylinder when upgrading your boiler, or when you have greater demand for hot water. Read about the main considerations.