Her Majesty's Government how many key workers need accommodation in London; and what is the average gap between their earnings and the cost of owning their own homes.
Information on the number of key workers that need accommodation in London is not centrally collected.
The Office for National Statistics publish data on housing affordability in England and Wales. These show that the ratio of median house price to median gross annual (where available) workplace-based earnings in 2016 was 7.72 in England, and 11.98 in London. The ratio of lower quartile house price to lower quartile gross annual (where available) workplace-based earnings in 2016 was 7.16 in England, and 12.76 in London.