Offers Offers in excess of £5.5 million are being sought for an office investment at Barrow Street, in Dublin 4. Agar estate agents are selling the newly developed 10,000 sq ft building, which is let to telecommunications company GTS Ireland at a rent of £263,335 per annum. The agents estimate that the open market rental value is around £330,000 per annum. The three-storey office block has 16 basement car-parking spaces, raised access floors and a passenger lift. It is located near the Pembroke Square apartments and close to the proposed Barrow Street DART station.