The government is considering issuing "super gilts" - bonds with a repayment date lasting 100 years or more - which it hopes will allow it to lock in the current record low base rate.
The Chancellor George Osborne will announce in next week's Budget that he will consult on creating the new bonds, which may even be issued with no set redemption date, according to the BBC.
It is hoped the super long-term gilts would allow the government to lock in the current record low interest rate of 0.5% for a very long time.
If the bond proved popular with investors, future governments would pay less debt interest for years to come.
The last perpetual loan was taken out to cover the cost of World War I.
Audio / Visual
This year we celebrate the fifth annual PPR Structured Product Awards. The 13 awards are divided into two, covering the products delivered to market over the past year and the support services that are also essential to the market. All the awards are designed to highlight not just the winners but the strengths and capabilities of the range of providers in this highly innovative market.
Job of the week