According to property investment site LendInvest, Blackburn and Carlisle are the top spots in England and Wales for buy to let investing, where rental yields have increased by 38 per cent and 37 per cent respectively over the past year.
The rental yield in Blackburn is currently 5.69 per cent. The town in Lancashire also has the cheapest house prices of the top 10 areas to invest, with an average house price of £95,000.
Gloucester, where the average house price is £220,000, came third in the list, with rental yields increasing by 19.4 per cent over the past year.
Christian Faes, co-founder and chief executive of LendInvest, said: "Savvy property investors won't only look out for which areas will offer the best returns right now, but are considering the best growth for the months and years to come.
"That means spotting areas which will become more popular in future.
"That may be due to improved transport links, for example those town which are due to be on the new HS2 line, or those which are due to benefit from new infrastructure project, bringing additional employment into the region."