Cars delivering guests to the Le Meridien Grosvenor House Hotel (where suites cost up to £1,187 per night) and the Dorchester Hotel will be able to use the hotels' main entrances on Park Lane for nothing. Delivery vehicles using the loading bays round the back will have to pay the £5 charge.
More top news
Overcrowding at Kings Cross also forced staff to evacuate the station with 14,000 passengers caught up in the chaos.
Low cloud rolling in from the North Sea again bringing mist and murk in the north of the London region.
City Hall plans to issue 100,000 tickets with a £10 admin charge to cover the cost of booking, printing, posting and hiring bouncers.