rendering

Hi I am new to this forum and wondered if anyone could advise me on this. Am in the process of buying a house located in South Croydon and wondered if these cracks located on the outside wall were anything to worry about? Would they cost a lot to get repaired? Not had a structural survey...

We have a rendered bay window on the first floor with lead flashing top and bottom. Penetrating damp is causing flaking and mould. The damp appears to be coming up from the flashing below, rather than entering on the face or dripping down. We are having to decorate each year. Others along our...