Question Topic: Safety and your vehicle
In section 13 of the official DVSA guide to driving, it states:
Cars and light goods vehicles (up to 2500 kg laden weight), invalid carriages and motorcycles can park without lights on roads with a speed limit of 30 mph (48 km/h) or less. They must comply with any parking restrictions, and not park within 10 metres (32 feet) of a junction.
They must also be parked parallel to, and close to, the side of the road or in a designated parking place and facing in the direction of the traffic flow.