Is it illegal to drive without a rear bumper in UK?

In the UK, it is not illegal to drive without a rear bumper specifically, but the vehicle must still meet road safety standards. If the absence of a bumper affects the vehicle's safety or causes a hazard to other road users, it could lead to a violation of road traffic laws. Additionally, if the vehicle is deemed unroadworthy, the driver could face penalties. It's advisable to ensure that all vehicle components are in good condition for both safety and compliance with regulations.