I fit kitchens but would not be able to do anything before October, I use Howdens to supply and pass all my discounts on as fitters we are then offered an in hand payment which I have never taken (this is added onto your bill) this happens with all suppliers, Wren Benchmark etc.
You can get cheaper but you do not get onsite support or tech help.
B&Q, Wickes promise you the world and deliver little often with stock shortage making you wait for weeks or sometimes months.
More than willing to give advice free.