The lease of a 14,000 sq ft office block at Maretimo Court, Blackrock, Co Dublin, (above) has come on the market on the instructions of the liquidator for the Trinity Group Ltd. Peter Stapleton of Lisney is handling the assignment of the 35 year lease of the building which was upgraded last year at a cost of £1.2 million. The rent of £481,000 (610,744) also covers 30 on-site spaces.