Allen & Harris 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. Allen & Harris does have 27 reviews, with an average score of 3.6/5 If you're looking to sell in Cardiff, you may want to choose an agent with more experience. Covering this area are other estate agents, such as Seabreeze Homes - Penarth and Peter Mulcahy - Penarth. However to see who will objectively do the best job selling your home, make sure you use our comparison tool.