Using a plastic sheet or bag as a "patch" is often considered an . Because you cannot see clearly through it, it usually constitutes a motoring offence. The Risks of a Broken Side Window View to the front and windscreen obscuration - GOV.UK
Driving with no window is similar to driving with the window down. As long as there is no loose glass that could fall out and cause a hazard, it is generally permitted. Potentially Illegal is it illegal to drive with a broken side window uk
If stopped, the police will likely issue a notice – you have 14 days to repair and prove it at an MOT station. No fine or points if rectified. However, if the car is deemed dangerous, they can issue a Prohibition Notice (immediate driving ban until repaired and inspected). Using a plastic sheet or bag as a
Driving with a broken side window is not inherently illegal , but it becomes illegal the moment it creates a danger to persons, obscures your vision, or leaves sharp edges. In practice, police treat a missing driver’s side window as illegal in all but perfect conditions. As long as there is no loose glass