If your central heating system isn’t performing as it should, a power flush could be the solution. Before booking the service, it’s important to understand what affects the Power flush cost and how to get the best value for your money.
What Is a Power Flush?
A power flush is a deep cleaning process for your heating system. It uses specialised equipment to push a chemical solution through your radiators, pipes, and boiler to remove sludge, rust, and debris. The power flush cost covers the labour, equipment, and cleaning agents required for this process.
Average Power Flush Cost in the UK
In the UK, the power flush cost can vary based on the size of your system:
Small system (up to 5 radiators) – £300 to £400
Medium system (6–10 radiators) – £400 to £550
Large system (11–15 radiators) – £550 to £800
Extra-large system (over 15 radiators) – £800+
These prices may also include additional services such as adding inhibitors to prevent future sludge build-up.
Factors That Influence Power Flush Cost
Number of Radiators – More radiators mean a longer cleaning time and higher cost.
Condition of System – Heavily clogged systems may require extra work or multiple treatments.
Location – Power flush cost may be slightly higher in London or other major cities.
Company Expertise – Specialist heating engineers may charge more but deliver a more thorough service.
Extras – Magnetic filter installation or replacing damaged components will add to the cost.
Why a Power Flush Is Worth the Cost
While the power flush cost may seem high, it’s an investment in the health of your heating system. Benefits include:
Improved energy efficiency
Lower heating bills
Extended boiler lifespan
Reduced risk of breakdowns
Getting the Best Power Flush Cost
To ensure you’re getting a fair deal on power flush cost, compare quotes from multiple heating engineers, check reviews, and ensure the service includes all necessary chemicals and equipment.
