Suppliers say gen Z and millennials are driving trend for 1970s-style fixtures as well as other bright colours

Wild sage, lemon, peach, sorbet, mint, and avocado: not the makings of a bizarre fruit salad, but some of the forgotten shades of Britain’s bathrooms that were popular in the mid-20th century.

The colourful suites disappeared from homes as whites and minimalist, neutral designs took over in the 1990s. But avocado-coloured bathrooms are back, and it is gen Z and millennials driving the trend.