Engineer counted the time to get back to his van and to reboot his computer before he registered the time his service ended. I ended up paying £230 for a simple valve replacement. When you phone British Gas they say an average repair takes in most cases 45 minutes. Our lasted 1 hour and 6 minutes. You pay £150 for a standard 45 minutes service and they charge extra £40 for every 15 minutes. This is a rip off. Also, I phoned British Gas helpline, talked to a rude assistant, they promised to talk to a supervisor to review my complaint, they were supposed to call me back. It is an over two week now and still no response. The helpline is based somewhere in India, no clear complaint policy. It is hard to believe British Gas is regulated by FCA and they don't offer any complaint procedure. Be aware of high charges, no clear rile show they charge you and forget about any chance to make a formal complaint. Utter rubbish. I gave two stars only because an engineer actually fixed the boiler and it works so far.