Council tax is the local tax which helps councils pay for the services they provide. They use the money collected for council tax to maintain roads and street lighting, for services such as street cleaning and rubbish collection.
All UK residents are required to pay Council Tax, although Households where everyone’s a full-time student do not have to pay Council Tax. In addition, there are discounts available for disabled people. You can read more about that
here
Your Council Tax cost depends on the area you live in and the value of your property. You can calculate your Council Tax in the UK GOV website.