Boiler Replacement Costs Explained

Replacing a boiler is a significant household expense, but understanding the costs helps you budget effectively.

Average Boiler Replacement Costs

• Combi boiler: 1,800 to 3,500 pounds
• System boiler: 2,200 to 4,000 pounds
• Regular boiler: 2,000 to 3,800 pounds

What Affects the Cost?

Boiler Type

Combi boilers are typically the most affordable for smaller homes.

Boiler Size

Larger boilers cost more.

Location

Moving a boiler to a different location adds pipework and potentially flue changes.

Additional Costs

• Magnetic filter: 100 to 200 pounds
• Power flush: 300 to 500 pounds
• New controls: 150 to 350 pounds

How to Choose a Heating Engineer

Boiler installation must be carried out by a Gas Safe registered engineer. SureTrade verifies heating engineers before they can receive project matches.