Just picked up your lengthy and detailed response, which described perfecrtly my experiences. Still do not have one room finished yet, but will try out your suggestion. Many thanks.
I had a new front extension and back extension last year. The new rooms as well as the old walls of the house were plastered/replastered. They were not all plastered at the same time and the plaster was bought at different times from different suppliers. I waited a couple of months until the plaster...
