I had mine done a few months back at AutoHaus Dolby in Sheffield, this was the breakdown they gave me using genuine parts. They had the cam locking tool too. Made a huge different to smoothness of the engine when the cam chain rattle was gone. Was really happy with the work they did. https://www.autohausdolby.co.uk £6.56 chain cover gasket£3.13 cam adjuster bolt£95.25 cam chain tensioner£66.34 cam chain3x.£0.62 bolt M6£26.87 cam cover gasket£7.34 engine oil£147.51 labourTotal excluding VAT£354.86Total including VAT£425.83
bit of a way from you but VW letchworth said their group had a fixed price of £550 for cambelt and water pump
I've had Moorfield German Motors in Yeadon work on my ED30 and rated their work. @TheBALDpuma also recommended Sultas Autos in Leeds the other day in another thread.