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UK Gilt Yields Hit Highest Level Since 1998

UK 30-year government borrowing costs hit a 1998 high due to inflation and debt worries, constraining the new government's budget and impacting mortgages.

UK 30-year government borrowing costs hit a 1998 high due to inflation and debt worries, constraining the new...

UK government borrowing costs have risen sharply, with the yield on 30-year bonds hitting its highest point since 1998. The yield on 10-year bonds is at its highest since 2008.

Governments borrow money by selling bonds, which are traded IOUs that pay regular interest. UK government bonds, known as gilts, are normally considered very safe, with little risk the money will not be repaid. Their interest rates, or yields, have been climbing. This increase makes it more expensive for the government to borrow money over the long term.

The rise comes at a sensitive time for new Prime Minister Andy Burnham and Chancellor John Healey as they prepare for their first budget on 28 October.

Higher borrowing costs limit the government's fiscal options under its self-imposed rules. If more money is needed to service debt, less may be available for other spending. This raises the possibility of reduced support for households facing high living costs or potential tax increases to fund any support. These are choices, not certainties. The chancellor could opt to spend less in other areas to free up funds.

Analysts believe mortgage rates on new fixed deals could increase as lenders' funding costs rise. However, this situation is very different from the market turmoil following the September 2022 mini-Budget, when rates shot up over a couple of days and lenders quickly pulled deals.

Conversely, the market could be more favourable for anyone currently buying an annuity, an insurance product that provides a retirement income for life.

Bond yields are rising in the UK, the US, Japan, and Europe. Investors globally worry that events in the Middle East will keep oil prices high and inflation persistent. High inflation erodes the value of the fixed payments bonds provide, so investors demand higher yields as compensation and sell their holdings.

Investors are also increasingly concerned about high levels of government borrowing. At the same time, there has been greater demand for loans from big tech companies hoping to fund investment in artificial intelligence. This competition for capital is driving up the interest rates lenders demand.

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