Homelet has revealed that average rents in London are £1,615, up 3.3% on last year.
This is the first month on record that average rents in Greater London have surpassed £1,600.
The average rent in the UK is now £937; this is up by 1.3% on the same time last year
When London is excluded, the average rent in the UK is now £777, up by 1.0% on last year.
Homelet found that the region with the largest year-on-year increase is Northern Ireland, showing a 4.5% increase in average rental prices.
Meanwhile, the region with the largest month-on-month increase is the South East, showing a 2.6% increase between June and July 2018.
While nine of the regions identified by the HomeLet Rental Index saw rents rise this month, Scotland, the North East and the East of England saw rents fall from June to July 2018.