Fire crews were called to North Lynn and Dersingham on Saturday afternoon.
The first incident was a deliberate rubbish fire in the open at Mill Houses in North Lynn. It happened at around 2.45pm and the Lynn fire crew put it out within five minutes.
The later blaze was in Dersingham and saw a Sandringham crew attend the scene.
The chimney fire flared up at around 6pm at a property in West Hall Road. The fire was out in 20 minutes.