It came out around £6500. That was for a fairly simple design. It depends on what you have built, obviously. We bought Corian worktops for our second one - they were 1000 on top.
Mrs Knocky here. I would never have a flatpack kitchen again! We have moved and used Pete again. He is a really nice bloke to have around too. Used to do yacht fittings - so he is very creative and adaptable.
If it's quality you have to use http://http://www.peterhendersonfurniture.co.uk/
Our kitchen is the first one on top left of kitchen section. Put in 12 years ago and still looks like that. You will need a big cheque book though.