A family was exposed to deadly carbon monoxide fumes after building work on a chimney caused a blockage in a flue.
Original post by HSE and many thanks to them for allowing “I want CHAS” to use and their entry about Health & Safety
"CHAS Qualification Has Helped Us Gain More and Better Work" - Chris Hart, Multiplumb
"Our Experts Will Guide You Every Step Of The Way" - Stephen Smith, Sphere RHSM