Line Rental Saver is the cheapest way to pay for your BT line rental. You can save over £56 a year when you switch.

With Line Rental Saver you pay your home telephone line rental for the whole year in one card payment of £129, (£141 for customers buying from 1st June 2013) – giving you the best price for your landline phone.
Some calling plans aren't available with Line Rental Saver. If this is the case you can choose to change your Calling Plan or remain on monthly line rental.
Towards the end of the 12 months, we'll let you know via email and your bill that your Line Rental Saver needs to be reordered.

If someone in your household is always hogging your phone line an extra line can make life a lot easier. Or, if you need a line at a second address like a holiday home, you can order this here too.
And only pay the equivalent of £10.75 a month.
Line Rental Saver £129 (£141 for customers buying from 1st June 2013) for 12 months in advance by debit/credit card – (equivalent to £10.75 a month). One per household. You'll need to pay any additional call charges by Direct Debit and switch to e-billing for this service. Advance payment is non-refundable. Exclusions and conditions apply.
Standard Line Rental for landlines – Currently £15.45 a month with monthly Direct Debit. There's a 12 month minimum term and connection charges may apply.
Saving of £56.40 with Line Rental Saver compared with customers paying monthly line rental of £15.45 with monthly Direct Debit.
Line Rental Saver refund policy – If you cancel Line Rental Saver within seven working days of your order you will get a full refund of your advance payment to the debit or credit card you paid with. Otherwise the advance payment is non-refundable.