In most cases, plumbers will offer free quotes on the job you need doing to correct the performance of your home radiators, or for any other plumbing issue you might have. However, it is best to check beforehand with the plumber if they will provide an idea of how much they will charge for their services before they come to check out the potential job.
To gain a more detailed insight, explore our blog, How to find a good plumber in 5 steps.