brick chimney

So for the last year the damp in our attic (just on one wall) has been getting worse and worse until just before christmas the water started coming through the wall. Our house is a middle terrace house and next door neighbours chimney is basically on the other side of the plaster (see pictures)...

Hi. Im Looking for abit of help. I have a 1960s terraced house with a brick built chimney. I removed the old gas fireplace some time ago and boarded the opening. I am putting a tv aerial in the loft and want to run the co ax down the chimney, trouble is I have drilled a 25mm hole through the...