Thanks for the replies.
My error was the RCD it is a MCB as pointed out.
I did get to talk to the 'electrician' who wired in the new cooker. He has added the new oven and gas hob to the mains ring (?? is that right) that has all the kitchen sockets on it. The separate feed to the old oven...
It gets worse!!!
Regarding the above issue, the dishwasher was my own and was on site all the time. In fact the kitchen fitters even managed to damage a marble floor moving it (they had dropped an old door hinge on the floor and then dragged the dishwasher over it.
BUT, here's my next...
I am presently having a new kitchen fitted and apart from a whole serious of complaints I have come across what I would class as probably a major cause for concern.
The electrician has installed all the appliances with isolation switched above the worktops (as we requested). These will...