Devon home of military engineering and software firm SEA sells for £4.5m Unnamed buyer snaps up two units on Pottington Trading Estate in Barnstaple 09:00, 27 APR 2021 Sign up to FREE email alerts from BusinessLive - Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice Two Devon industrial units which are home to an engineering and software design services group which has just signed a major deal with the MoD have sold for £4.5million. The two units â covering 70,000sq ft on the Pottington Trading Estate in Barnstaple â have been snapped up by an unnamed investor in a deal was concluded by award-winning Coverntry-based commercial property specialist Bromwich Hardy.