We've just had ours done (or rather just got to finish it off!). The kitchen is approx 5m x 2.5m
We had our kitchen units from Ikea, these cost £3k and included a slimline dishwasher, integrated microwave and extractor fan. I've got two larder cabinets (one with all the pull out fittings), 2x 40cm drawers, 2 corner units with pull out fittings, one double sink, 5 x 40cm wall cabinets, fan cabinet and microwave cabinet. There's plenty of storage for us with that lot. They are the lidingo units, so mid range in Ikea.
It also includes the doors and fittings for integrated dishwasher, washing machine and tumble dryer. I bought a free standing oven. The appliances were on the lower budget end and cost about £1k.
Laminate worktops were £260 as the ikea ones were too narrow to cope with my wonky house.
Fitting has cost us £1500 and has included all plumbing, gas and electrics. We had to move the cooker to the other side and remove a radiator, but if you are keeping everything in a similar place it will be less complicated.
Just waiting for splashback tiles delivery today, these cost £160 from tons of tiles. I'm guessing the tiler will charge in the region of £250ish.
We had the ceiling plastered, this cost £100.
We're having flooring laid on friday. I'm guessing that the flooring cost £150 ish (as we bought for the whole house, so not 100% sure how much we are using in kitchen) and the guy is charging £100 to fit it.
So totting it all up.
£3000 units
£1000 appliances (oven, tumble dryer, washing machine - had fridge already)
£260 worktops
£1500 fitting
£160 tiles
£250 tiler???
£100 ceiling
£250 floor and fitting
= £6520 and we are tight as a gnats a*rse usually!