3Keys Property- Doncaster hasn't listed any properties for sale in the last 6 months. This could be because the agent specialises in lettings, or the branch may be closed. 3Keys Property- Doncaster does have 20 reviews, with an average score of 4.6/5 If you're looking to sell in Doncaster, you may want to choose an agent with more experience. Covering this area are other estate agents, such as Grice and Hunter - Doncaster and Reeds Rains - Doncaster. However to see who will objectively do the best job selling your home, make sure you use our comparison tool.