Airbricks not obstructed outside but I will look at joists again tomorrow.
Some did LOOK damp near bay but did not feel particularly damp or wet, which was strange. Wall wasn't damp either.
Now have a hygrometer to test the humidity in crawl space this weekend.
I think a surveyor is the...
Thanks for reply.
The sub-floor is wood and the crawl space underneath is dirt, and you're right, he used a wood moisture content meter to test the sub-floor.
The room is 4 x 3 m and it's not the only place the floor is buckling; it's started in the lounge and hallway too! The fitter has...
I had a solid oak floor laid 6 weeks ago. In the last two weeks it has buckled to a height of 3 inches! Had the installer back and he reckons there is damp underneath the house. His damp meter read 18 in some places but only 9 in others. He left a 5mm expansion gap when he did the job (with...