Radon mitigation systems: is your home safe? Looking for information on costs for a particular type of boiler? use our handy menu below to jump to the relevant section of this page. All aspects plumbing work undertaken boiler installation & repairs power flush vented & unvented water system /megaflo/ under floor heating lpg gas work & safety check bathroom plumbing &fitting landlord gas safety cerificates fully insure. Is your boiler playing up? or is it just time.