tBKS Architectural Ironmongery, based in the UK, sells door and window hardware made in bronze, chrome and brass from Frank Allart. Old English black iron including, window stays, doorknockers, handles and knobs from Kirkpatrick. Door furniture from Olivari and Valle Valle. British made bathroom accessories, mirrors and taps from Samuel Heath They have been in business for over 25 years and will ship all over the world.