Stainless steel fittings would be replaced with a more hygienic composite material, ergonomic and vandal-resistant dryers would be installed, as would better lighting, hooks for bags and coats and easy-to-use locks.

BBC: Oxford council criticised for loo revamp

Composite is the most common form is carbon fibre and is gradually replacing steel and aluminium in industry.

BBC: National Composites Centre in Bristol to expand