cracking plaster

Hi! I have had a little patch, about the size of a large coin on my exterior kitchen wall, then keeps pushing outwards/cracking/splitting. If I repair it with filler, it’s fine for about a month, then gradually happens again. Any ideas? Photos attached.

Hello all, At the end of the very hot dry summer some 1-2 mm cracks appeared in the upstairs spare room at the back of my property, my guess because the wet soil dried out. From previous posts I've seen I don't think I need to worry about subsidence. The crack runs vertically along the edge...

I am getting a balanced flue, hole in the wall, gas fire fitted soon. It will be installed on four legs against a flat wall. To save some money I will build the chimney breast around it myself. I know to use metal studwork, and I think fire resistant (pink) plasterboard will suffice. The...