VIENNA (Reuters) - Austrian anti-trust authorities have approved Deutsche Wohnen's (>> Deutsche Wohnen AG) offer to buy Austrian real estate peer Conwert (>> conwert Immobilien Invest SE) for 1.2 billion euros (873.9 million pounds), according to a document from competition watchdog BWB seen by Reuters.

No checks of the offer have been requested by officials, meaning that Austrian authorities will allow the deal, a BWB spokesman said on Monday.

The offer, which has a minimum acceptance threshold of 50 percent plus one Conwert share, ends on April 15.

(Reporting by Angelika Gruber and Michael Shields, writing by Shadia Nasralla; editing by Jason Neely)

Stocks treated in this article : Deutsche Wohnen AG, conwert Immobilien Invest SE