Nationwide is set to upgrade its international range of fixed-rate investment accounts.

The current range of investment accounts were withdrawn on July 31st 2006, with new one, two and three-year bonds set to be issued on August 1st 2006.

There are three new fixed-rate bonds available from Nationwide, with the one, two and three year investment accounts available at 4.8 per cent, 4.9 per cent and 4.95 per cent respectively.

All of the fixed-rate investment bonds are available to customers with a minimum investment of £1,000, while the maximum available investment is £2,000,000.

Customers who wish to received a monthly income from their investment accounts can also do so, otherwise all interest is paid or deferred annually on July 31st.

Also, customers who want to defer payment of their interest to more suitable time to their tax position may do so by utilising the deferred interest option on the investment account.

Nationwide Building Society is now the UK's fourth largest mortgage lender and ninth largest provider of retail banking, saving and lending by asset size.

The organisation also states that it is the largest building society in the world.