Hi,
I phoned my local MOT station and they said it would still be valid. I also emailed VOSA, i got the following response (which sounds like its still valid too)
> Dear Richard,
>
> Thank you for your email enquiry dated 25th August 2009, concerning your
> MOT.
>
> Once an MOT has been issued it cannot be revoked, regardless of whether the
> vehicle has failed another test in the mean time. However, it is the
> vehicle owners responsibility to make sure the vehicle is in a roadworthy
> condition at all times.
>
> I hope this information has assisted you with your enquiry, but if you have
> any further questions please do not hesitate to contact us again.
>
> Kind Regards,
> Rebecca
>
> VOSA Contact Centre
> Customer Directorate
> Tel: 0300 123 9000
>
> The staff at the VOSA Contact Centre are keen to hear your feedback on the
> service that they provide for you, to enable them to further understand
> customer requirements and make improvements where possible. Please take a
> few moments to complete our Contact Centre Customer Feedback form by
> clicking here