The monthly cost of a room in London has risen 3.5 per cent in the last 12 months to £743, according to data compiled by flatshare site SpareRoom.com.
Rent rises are slowing - they rose 9.5 per cent the year before - but some pockets are still showing signs of rapid growth.
Although south east London is still the cheapest part of the city to live in, it is experiencing the fastest rise in growth, with average prices rising 6.6 per cent.
The cheapest place to rent a room in the capital is SE18 (Plumstead/Woolwich), where an average room goes for £550 per month, while SW7 (South Kensington/Knightsbridge) is the priciest at £1,213 per month.
Meanwhile, E14 Canary Wharf/Docklands) has the most supply - there were 8,968 rooms available for rent in the fourth quarter of 2015. Conversely, supply is lowest in EC4 (St Paul’s), EC3 (Aldgate) and SW13 (Barnes).