Can you run a washing machine and tumble dryer off an extension lead?

Do not turn on the device with a lead extension, a multisocket or a similar adapter. They can overheat and are a fire risk. If possible, always insert a washing machine, a dishwasher, a hair dryer (or any appliance with a heating element inside) directly at the exit of the wall.The appliance should not be connected by an extension lead. These can become a fire hazard. It's ”... Always plug a washing machine, dishwasher, tumble dryer, or any appliance with a heating element inside, directly into a wall sockets.