The organisation "London Councils" - which represents the boroughs - says charges are determined by the demand for parking spaces.
But critics claim they just add to the burden on already hard-pressed Londoners.
Our Political Correspondent Simon Harris reports:
More top news
Harry and Meghan weren't the only ones at the center of attention on Saturday. This policeman kept people entertained.
Deadly violence has returned to the streets of the capital as a man is stabbed to death in south London.
Two weeks of poignant tributes from family and friends remembering Grenfell Tower fire victims will be heard by the public inquiry.