Thank you for taking time to reply. The house is late 1800s and the roof is an apex roof. I can try and find some pics on my phone otherwise I can add tomorrow
Hi
First time posting so apologies if I don’t explain this very well. Terraced house party wall in the kitchen was newly plastered. Within a few months a big wet patch appeared at the top. This got worse the more it rained. Think this has been a chimney breast wall as directly above is a chimney...