If you want to add the aluminium trim to the bottom of the gearstick gaiter, it'll cost £20.43. The aluminium handbrake knob is £8.39 and the trim ring at the rear of the handbrake grip is £7.66. All prices are from the dealer and include VAT.
The clocks are available with aluminium rings, but the rings themselves are not a separate part unfortunately. The cost of new clocks is £466, as an exchange service, or more if you don'thand in a set.
Cheers,
Mike