I've exchanged on my flat and am due to complete next week. The dishwasher is included in the sale (it's integrated into the kitchen) and it has just broken! I have had a repair person round and he says a part is needed which will cost £250 and this is on top of the £120 call out fee. Am I obliged to fix the machine? What would you do? I'm sure I don't need to add that money is tight but I'm also conscious of doing the right thing by my buyer.