Latest info from the DVLA in response to the Coronavirus to limit possible spread
If your car's MOT is due after 30th March 2020 it will automatically be given a 6 month extension.
"What you need to do
You do not need to do anything to extend your vehicle’s MOT expiry date if it’s on or after 30 March 2020. However, you must keep your vehicle safe to drive.
Your vehicle will be automatically given a 6-month MOT exemption. This will extend your current MOT expiry date by 6 months.
Your vehicle’s MOT was due to expire on 3 April 2020.
This will automatically be extended to 3 October 2020. You will need to get your MOT by this date."