Stone worktop supply and fitting in Whalebone is not one job repeated, because the kitchens here are not one kind of kitchen. The strip between Chadwell Heath and Becontree Heath, mixing estate housing with privately built inter-war semis, so kitchen sizes vary within a couple of streets of each other. Most jobs are moderate: a new set of units in the existing footprint, a 3m run and a short return, with a peninsula only where the dining room wall has already gone. The drawing we work from is agreed with you first, so no one in Whalebone finds out on fitting day that something was assumed.
The original units were screwed to timber grounds set into the wall, and where those were torn out the plaster was patched rather than replaced. Which stone belongs on top of all that is a separate question from the building itself, and it is the one with a figure attached, because supply alone runs from £110 to £550 per square metre before a single cut has been made. Pick the surface for the cooking rather than for the photograph.
The first kitchen units were metal and screwed straight into the blockwork, and their plugs are still in the wall behind whatever plaster went over them. Runs are short and the whole kitchen often comes off part of one slab, which means the remainder is the figure worth understanding before the colour is settled. Cool artificial light turns a warm stone grey.
The housing behind these kitchens is 1930s semi, LCC estate house and post-war infill. They are not interchangeable, and a worktop finds the differences quickly.