Changes to your monthly Price Plan due to RPI.

Changes to your monthly package price.

If you joined us or upgraded your phone or Mobile Broadband plan after 28 May 2015, your contract allows us to increase the cost of your monthly recurring charge each May by an amount up to the January Retail Price Index (RPI) rate of inflation. This has been announced for January 2017 at 2.6% and you'll see this increase on or after your May bill and from then onwards.

To find out your new monthly recurring charge, you can enter your current monthly charge into the calculator below.


Monthly price calculator.

Tell us what you're paying monthly at the moment, and we'll work out your new cost.

Your new monthly cost will be: £

We work your monthly charge out by taking how much you paid per month in 2016 and adding the 2017 RPI rate. For example:

Monthly price until May 2017.Monthly price from May 2017 onwards.
£25.00£25.00 + £0.65 (2.6% of £25.00) = £25.65

Our right to increase your monthly recurring charge on an annual basis would have been brought to your attention in clause 4.1 of the new contract you signed, and we also include it in the Quick Summary section of your Terms & Conditions. You can find a copy of these online at Three.co.uk/terms.

Any RPI-related price increase only applies if you're on our new Pay Monthly terms and conditions, and won't apply to Add-ons. It also won't apply if you're on a SIM-Only plan, business plan or on our previous Pay Monthly terms and conditions (if you joined or upgraded before 29 May 2015).


More about the Retail Price Index.

RPI is a measure of inflation that's published monthly by the Office for National Statistics (ONS). It measures the change in the cost of a representative sample of retail goods and services over a specific period of time.

The ONS is the UK's largest independent producer of official statistics and is the recognised national statistical institute of the UK. As it's published by the ONS, the RPI is considered an independent measure that we can base price increases on and is the standard measure used within the mobile industry to calculate an inflation-related price increase.

If you want to discuss these changes more, please call us on 333 from your Three phone or 0333 338 1001 from any other number.

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