Buying a house in Roscommon delivers a peaceful lifestyle in beautiful rural surroundings. MyHome has a range of properties for sale in Roscommon, so there’s something to suit all preferences and budgets. Some of the most popular places to live in Roscommon include Carrick-on-Shannon, Boyle and Ballaghaderreen, all of which have their own unique charm. The average cost of a 3 bed semi-detached house in Roscommon is €150,000, but of course location and house condition can affect this.