The average lifespan of a bathroom is 10 years or less, yet according to Mybuilder.com it can cost anywhere between £1,900 ($2.5k) to £7,400 ($10k) to install, depending on size and materials. With these prices in mind, it makes sense to invest in a bathroom scheme that will stand the test of time rather than opt for a trendy design that will soon look tired. From classic tiles to traditional decor, take a look at these timeless bathroom ideas that will continue to look fresh, long after the sealant has set!