How long does the homologation last for competition race seats?

FIA 8855-1999 homologated have 5 Years of life for FIA sanctioned events - this is extended for a further 2 years for use in UK National Motorsport, as decreed by Motorsport UK.

Are bucket seats road legal?

As long as they can be fixed correctly and do not obstruct the use of a harness or seatbelt, they can be used in a road car.

Racing Bucket Seats

Motorsport racing seats, also known as bucket seats a requirement for all motorsports including circuit racing and rallying.

Racing seats need to be homologated to an FIA standard for use in competitive events and are characterised by their deep design that holds a driver in place in corners and has eyelets allowing the use of a 5 or 6 point harness.