How much does a power flush cost?

I've got some quotes, but I want to know if the numbers I've got are reasonable

Asked by Elly on 14th Aug 2025
Expert Trade Answers
"Power flush cost between £300 to £800 depending on size of the home and the amount of radiators in the house."
Answered on 14th Aug 2025 - Member since Jul 2025 - report
"Hi depends on number of radiators as a idea 7 rad system approx £600"
Answered on 14th Aug 2025 - Member since Oct 2023 - report
"Hi. Between £400 and £800 depending on system size. Please be aware that modern plastic microbore systems are not suitable for power flushing due to push fit manifolds."
Answered on 14th Aug 2025 - Member since Aug 2025 - report
"Normally £35-50 per radiator including chemicals, would also advise having a magnetic filter fitted as well"
Answered on 14th Aug 2025 - Member since Aug 2025 - report
"Depending on radiators
Up to 3 radiators £300 and £50 each radiator after that ."
Answered on 14th Aug 2025 - Member since Dec 2024 - report
"Depending on size of system but normally £600 plus vat"
Answered on 14th Aug 2025 - Member since Aug 2025 - report
"Hi

I will charge Including chemical £420+vat is almost day job"
Answered on 14th Aug 2025 - Member since Jun 2017 - report
"£50-£70 each radiators. Depending how many radiators is fitted in the house."
Answered on 14th Aug 2025 - Member since Dec 2024 - report
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