The government's Help to Buy scheme is providing more support to buyers in the north-west and the east than to those in London and the south-east, according to the Treasury.
Only 5% of total mortgage completions using the scheme were for homes in London, with 14% in the south-east.
The finding follows claims that the scheme was supporting a housing "bubble" in the capital and south-east.
More top news
Rape suspects will need to prove to police that a woman consented to sex under fresh new guidance in sex offence cases.
Dippy the Diplodocus is to forced into retirement and moved out of the Natural History Museum's main hall.
Alice Biggar has managed to survive on cheap tins, heavily-reduced supermarket goods and even chicken bones from butchers.