Assembly Funds Management, backed by the Rich Lister Lowy family, has teamed up with Wentworth Capital to buy Domain’s Sydney headquarters at 100 Harris Street for about $230 million.

In a sign of just how hard the office sector has been hammered, the Pyrmont building was sold by its owner Dexus for less than what the ASX-listed platform paid seven years ago, when it doled out $327.5 million.