Arnolds Keys - Norwich - Commercial 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. Arnolds Keys - Norwich - Commercial does have 31 reviews, with an average score of 3.7/5 If you're looking to sell in Norwich, you may want to choose an agent with more experience. Covering this area are other estate agents, such as Humberts - Norwich and Gilson Bailey Norwich - Norfolk. However to see who will objectively do the best job selling your home, make sure you use our comparison tool.