If Cromwell grants a tax abatement and state traffic officials give their approval, a developer says the deteriorating and long-vacant Red Lion hotel in Cromwell could soon be razed to make way for 254 apartments, 20 townhouse condos and a mid-sized restaurant and retail plaza. Developer Martin Kenny said he will set aside 5% of the apartments as affordable housing, but cautioned that the entire project is contingent on getting property tax breaks from the town. Kenny’s plan would start with demolition of the entire building along with part of its parking garage. Because of environmental contamination, that job alone is estimated to cost $2.4 million, Alter said. Construction is estimated to take two years, but won’t start until after the demolition and cleanup are completed. The company and its consultants emphasized that it’s too soon to discuss a specific schedule or completion target.