Yes, Blue Badge holders and those who provide proof of booked Assisted Travel can benefit from 30 minutes free parking in terminal 1 car park upon validating your ticket on level 2 at the priority parking office.
If you're staying longer than 30 minutes, but less than 24 hours, reduced prices are available.
Drop-off is also available, and is the closest option to the terminal entrance. Drop-off/Pick-up zone costs £5 for five minutes and £1 per minute thereafter (max stay 20 minutes).
More information can be found here.