Bricklaying How to replace frost damaged bricks

Small Job on the house. This portion of the house has caught the weather and with the bricks being a soft porouse brick they soak in the rian and moisture. When the frost comes the brick freezes and the water swells causing the front of the bricks to blow off. here I have done a small repair job It took me a day and for labour only I charged £ on my iphone 3G