Brockton Capital is understood to have beaten competition to acquire the Southwark home of the London Fire Brigade for around £100m from the Janus Henderson UK Property OEIC fund.
The fund acquired the property at 169 Union Street, SE1, for £90m, reflecting a yield of 5% in 2015, according to Radius Data Exchange.
Brockton and Janus Henderson have been contacted for comment.
CBRE and Cushman & Wakefield, which acted for Janus Henderson and Michael Elliot, which advised Brockton, declined to comment.