Added to this…
Definition 1 of 1
Pro Tip 1/3Emphasis on Addition
Use it to emphasize new information that adds to the previous statement. 
The phone is expensive. Added to this, it has a short battery life.
Pro Tip 2/3Sequence of Points
Introduce it when listing multiple points or reasons, showing a buildup of information. 
The weather was terrible, and added to this, the traffic was unbearable.
Pro Tip 3/3Amplifying Impact
It can be used to amplify the impact or importance of the second point. 
He's a fast runner. Added to this, his endurance is remarkable.