What is the average rental value in the UK? For September 2021 the data shows that the average rental price for a new tenancy in the UK was £1,061 per calendar month (PCM), which is up by 7.5% from last year. Latest Rental Index data: September 2021 The average rent in the UK is now at a record high of £1,061, up 7.5% on the same time last year, and up 0.8% from last month's figures. London's average monthly price has rose for the fourth month in a row after a year of decline, with an annual variance increase of 6.4% to £1,752 PCM. Excluding London, the average UK rent price is 7.6% higher than last year, up to £891 PCM. Wales saw the highest annual price rise, with the current average price of £734 PCM marking a 12.9% increase on this time last year, and a 1.5% rise from last month's data. Elsewhere, rent prices in the South West rose by 1.2% compared to last month to an average of £971 PCM, which is an annual increase of 7.6%.