The cash value of NS&I’S Index-linked Savings Certificates has been updated to reflect the new Retail Prices Index (RPI).

As of 19 July 2016 the Retail Prices Index stands at 263.1.

NS&I’s Index-linked Savings Certificates are lump sum investments, designed to be held for fixed terms. They pay a fixed rate of interest on top of the rate of inflation (as measured by the Retail Prices Index) to ensure that savings stay ahead of rising prices. On each anniversary interest and index-linking are added to the Certificate.

Retail Prices Index

To calculate the value of NS&I’s Index linked Savings Certificates in August1 NS&I uses the Retail Prices Index (RPI) figure for June, published in July. As of 19 July 2016 the RPI is 263.1 meaning that the Index is 1.6% higher than it was one year ago.

NS&I’s Index-linked Savings Certificate calculator

NS&I’s Index-linked Savings Certificate calculator is a quick and easy way to get an approximation of how much Index-linked Savings Certificates are worth and includes interest earned at the relevant rates for each Issue.

How much are your certificates worth?

The calculator can only provide a value for Index-linked Savings Certificates within their current investment terms.

Index-linked Savings Certificates rates of return

Index-linked Savings Certificates offer a tax-free2 return that beats inflation when held for the full investment term.

Issues currently available to existing customers with maturing Index-linked Savings Certificates only Rate p.a./ AER3
5-year (Issue 53) Guaranteed compound rate over 5 years RPI4 + 0.01%
3-year (Issue 26) Guaranteed compound rate over 3 years RPI4 + 0.01%
2-year (Issue 43)* Guaranteed compound rate over 2 years RPI4 + 0.01%

*Only available to customers with maturing 2-year Certificates

In August 2012 NS&I announced changes to its Savings Certificates.

You can view the changes here.