We had a new conservatory added to our bungalow a year ago. during the recent bad weather water has for in through the existing house wall and out through the plaster. This wall was plaster boarded and plastered. I think the water is penetrating the bricks outside the conservatory and going down the wall behind the conservatory. 1) Should this happen? maybe its inevitable given the amount of rain ? 2) What can I get to protect the brickwork ? upvc cladding ? Thanks