How Much Does a New Boiler Cost in 2026? Complete Price Guide

New Boiler Costs in 2026

If your boiler is over 10 years old, constantly breaking down, or your energy bills keep climbing, it might be time for a replacement. But how much should you actually expect to pay?

The cost of a new boiler in 2026 ranges from £1,790 to £3,500 depending on the type, brand, and complexity of the installation.

Boiler Types and Average Costs

Combi boilers are the most popular choice in UK homes. They heat water on demand and don't need a separate hot water cylinder. Expect to pay between £1,790 and £2,800 fully installed.

System boilers work with a hot water cylinder and are better suited to larger homes with multiple bathrooms. Installed costs range from £2,200 to £3,200.

Regular boilers need both a cylinder and a cold water tank. These are typically found in older properties and cost £2,400 to £3,500 installed.

What Affects the Price?

Boiler brand: Worcester Bosch, Vaillant, and Baxi are among the most trusted. Premium brands cost more but often come with longer warranties.

Flue and pipework: If your new boiler is going in the same location, costs stay lower. Moving it means additional pipework and flue extensions.

System upgrades: Older homes may need a magnetic filter, new controls, or a powerflush before fitting a new boiler.

Is It Worth Upgrading?

Modern condensing boilers convert over 90% of fuel into heat. If your current boiler is G-rated, you could save up to £580 per year on gas bills by upgrading.

Get a Fixed Price Quote

At AR Heating and Gas, we offer fixed-price boiler installations with no hidden costs. Answer a few quick questions online and get an instant quote.