Ashton Mill Services Ashton Mill Services Ltd are a professional property clearance company covering the Trowbridge area. We are proud to provide a service built on reliability, experience and trust - a service tailored to your specific needs. For more information please call us on 01380871118. Specialist Services Valuations. Advice on internet selling (Ebay). Auction house selection with potential commission discounts. Specialist experience in probate cases. Trading Since 2003