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.
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Officials from the train drivers' union Aslef will meet managers from Southern Railway, whilst the RMT will meet separately with Acas.
Last week the organisation wrote on Twitter: "If Obama grants Manning clemency Assange will agree to US extradition".