Home broadband normally comes linked with a home phone plan. Monthly charges include: line rental, service, and extra add-ons. Below is the break down of a common plan by EE:
Monthly line rental = £15.75
Monthly service fee = £2.50 for the first 12 months, then £10/m.
Some providers can bundle your home broadband with television, and phone. This website can help you compare providers and refine your needs.