Esat Telcom is paying £1.3 million for two adjoining buildings at Dundrum Business Park, Dublin 14. The company plans to use the 13,000 sq ft buildings to manage its communications network. The National Wholesale Grocers Alliance recently paid £500,000 for a unit of 5,472 sq ft. All buildings have been sold but James Nugent of Lisney is marketing surplus office and warehouse space in one of the units on short-term leases.