Well emailed a few company's, R&B Motorsport, Reyland, GGR etc and they all came back with near enough the same price of £160 per caliper for a basic strip, clean and new seals. Managed to source some prices from demon tweaks for a seal kit it's £13+vat and each piston is £12+vat so think I'll just order up two seal kits and do the work myself as its going to work out a lot cheaper