Chellgrove is an online supplier of computer chairs and ergonomic office chairs to schools, hospitals, businesses and home offices across the UK. Choose a simple office chair or computer chair for next-day delivery, or have a chair made in your chosen fabric, leather or vinyl colour in just 2-3 weeks. You can also customise your computer chair with ergonomic features such as an inflatable lower back support, extendable seat, independent seat & back tilt, and height-adjustable or fold-away arms.