This is commonly possible Building a reputation first leads to greater success. Will usually work from home. Training Short courses are run by some colleges of FE and in the private sector. Check in local area and with professional bodies. Little structured career development.
Progress depends on initiative, skill etc.
Public to private sector move possible. Specialisation is common. The salary data was collected in Mar 98 Depends on reputation and contacts. High earnings are sometimes possible. Self employed designers often work from home.