ames Winn Estate Agents was founded in 2005 in Thirsk, North Yorkshire. Acquired by The Castledene Group in 2020, James Winn has grown into one of North Yorkshire’s leading estate agencies, opening a second branch in Northallerton’s prime high street location. Together, both James Winn branches provide honest, high-quality customer service for clients in Thirsk and Northallerton interested in buying, selling, or letting their property. Our team of experienced estate agency professionals are ready to assist you at any stage of your home buying or selling process.