NZ6115 : Distinctive Building on Westgate RoadCould it perhaps be part of Sunnyfield House's stable block, that is now home to a small museum featuring the social, agricultural and industrial history of Guisborough? See
http://www.redcar-cleveland.gov.uk/sunnyf.nsf/sunnyf/B8842C235CA369518 0256D8F004F56AA?OpenDocument