Simmons & Simmons represented German-based open-ended fund Despa on the completion of its £35.5m acquisition of the office building at 10-14 Stratton Street, London W1. The offices, which are the headquarters of surveyors Grimley JR Eve, was sold by an undisclosed Dutch investment fund. Alan Butler, property partner at Simmons, led the team. Despa was also advised by surveyors Richard Ellis St Quintin. David Gidney, property partner at Burges Salmon, acted for the vendor.