You can take few lifestyle changing measures to control your BP and if they fail to bring any change in your BP in next 6 months then you shall have to be put on anti hypertensives.
Your BP seems to be essential hypertension
Lifestyle measures to be adopted are
Reduction of weight
Reduction of calories
Avoiding junk foods and colas
and moderating alcohol
Taking more of fresh fruits and green vegetables.
Doing regular exercises and yoga