Thankyou for the reply.
is it still possible to use the retaining wall as the bottom part of the garage wall, or do I run the risk of damp problems even with a tanking membrane?
my first post so please go easy on me..!
I have a bank at the side of my house, (which slopes from my border down to my house) which i am currently excavating.
Once excavated i should have approx a 5m x 12m flat space.
The earth is a very heavy clay.
I am planning on having a detatched...