Changing camshaft belt on Alfa Mito?

My Alfa Mito is five years old but only done 15000 miles. I have been quoted £284 by Auto world to replace the cambelt- the kit includes waterpump and jockey pulley. Do I need to replace the belt now or can I wait longer?
Standard Alfa Romeo price and very reasonable. VAT is on top, of course. Worth doing for peace of mind.
Answered by Honest John on

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