In 2026, material costs have finally stabilized, yet many builders in the UK and Ireland are still seeing their margins shrink. Why? Because of “The 1% Leak”—the small variations and unrecorded changes that disappear into the ether.
The Reality: Most profit isn’t lost on the big things like timber or steel; it’s lost in the “while you’re at it” requests. When a homeowner asks for an extra socket or a slight change to a partition wall, and the builder says “no problem” without logging it, that’s money coming directly out of the builder’s pocket.