Apologies, I was using my phone earlier so it wasn't easy to see everything:
is ther a c/breast in room? Yes
is the floor suspended or solid? Suspended
are thewalls cavity or solid? Cavity
are thewalls solid plaster or dot an dab? Dot and dab
do you have any kind of int or ext insulation or...
http://whatconsumer.co.uk/forum/consumer-rights-television-programmes/10608-bbc-watchdog-crown-paint-not-sniffed.html
So I just looked in the shed and saw that the kitchen was painted in Crown odor less paint. hmmm..... fingers crossed this is the issue.
@Richard C
See I've checked all those areas, I write down all the conditions for when it happens and nothing seems to point in any 1 direction. Its sometimes like a weather station, in the fact I can smell a storm coming even when its been dry for 10 days (recent heatwave). So its definitely...
We have a very similar issue with our kitchen, and its been going on for 2 years since we bought the house. The house was "renovated" before we purchased it and the kitchen was plastered. I have had 2 damp professionals in who can't find any physical damp, but did find the humidity got quite...