Will a cracked windscreen fail the NCT?

I booked my car in for its NCT recently and now a crack has appeared in my windscreen. Does this mean it will fail the test if it is not replaced?

Patrick Mcnally (Mayo)

Mar 2017 Filed under: NCT

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Expert answer

Hi Patrick,

It depends where on the window the crack is and how big it is. Click here to view the official NCT testing manual - go to page 26 and it clearly shows how cracks in the windscreen are assessed.

Best of luck

Shane O' Donoghue - Complete Car Advisor
@Shane_O_D