Hi Woody, thanks for the detailed response and comments.
Not sure what you mean by a 'system' vs 'traditional' build, but your subsequent observations have pretty much hit the nail on the head I think and the spots that appear part way up the wall and then grow and shrink after heavy rain...
Thanks both for the responses so far, some solid observations there.
I've been in discussion with the neighbour a while ago about getting a drain survey done with cameras, as it certainly looks collapsed in areas. I guess if it is that could also allow water to back up into the drainpipe or...
Hi,
We've had occasional problems with what we think is penetrating damp.
This probably isn't a DIY job but I'd appreciate any views/opinions on what might need to be done.
The semi was built around 1969 as part of an MOD estate.
Roof has had new felt, batten and ridge/verge a few years ago.
The...