UK Borrowing Costs and Sterling Slide as Budget Pressure Builds

Mace | 2nd September 2025 | Lobbying, Policy & Think Tanks, Politics
Bank-of-England (1)

UK long‑term borrowing costs have surged to their highest since 1998, with 30‑year gilt yields near 5.7 per cent. Sterling has slumped about 1 per cent against the dollar.

The cost of borrowing for the United Kingdom has climbed sharply amid a broader retreat in global bond markets. Yields on 30‑year gilts have reached the highest levels since 1998 with rates touching between 5.69 per cent and 5.72 per cent, marking the most expensive long‑term funding for decades. This move comes as markets digest fresh uncertainty surrounding the country’s fiscal position and government credibility as the autumn budget looms. The pound has weakened notably. Sterling fell roughly 1 per cent versus the US dollar, trading near $1.338 to $1.34. That marks its weakest performance since April and reflects growing investor unease. Financial markets have seized upon recent developments inside Number 10 with concern. A reshuffle that moved the finance minister’s deputy closer to the Prime Minister and installed a new economic adviser was taken by some as a sign that the Treasury’s resolve might be weakened and that fiscal discipline could waver.  Despite the turbulence, the government successfully issued a record £14 billion of ten‑year gilts. Demand was strong although the high yields raise the cost of servicing debt and limit fiscal flexibility ahead of a challenging budget cycle. Major UK equity indices fell as banking and real estate stocks tumbled, while investors rotated to safer assets such as gold and energy. The move reflects mounting financial pressures ahead of what is shaping up to be a critical fiscal moment. ...

Subscribe to The Mace

Join the member community shaping British politics and stay ahead of what's really happening in the world of politics and public affairs, with expert analysis, breaking news, and insider insights from Westminster and Brussels. The Mace is the leading news source and resource for the government affairs industry, offering required reading and lobby intelligence for professionals.

To see what you are missing out on by not subscribing to The Mace, click here to download our full membership info-pack. This includes having no paywall on op-ed content or profiles/interviews, allowing professional profiles to be read with maximum impact and visibility by government, special advisers, MPs, peers, civil servants, and policy and political decision-makers.

Kemi is right to lift the white, Oxbridge fatwa and purge the Conservative party of non-Tories

William Cash | July 10, 2026

Overhauling the Tory candidates list is a shrewd political move which will allow her to put her own stamp on the party, and more importantly, shape its future,

Communication: The real engine of Burnhamism  

Lucy Carrier-Pilkington | July 9, 2026

Before he has even begun, Burnham has incisively communicated his plan for the country. As MPs are scrambling for positions in cabinet, his comms team are assembling. 

FTI Consulting hires ex-Three UK communications chief

Mace | July 9, 2026

Former director of corporate communications at Three UK, Juliet Callaghan, has rejoined FTI Consulting’s UK Strategic Communications segment.

New lobbying recommendations: “Comprehensive and positive”

Mace | July 9, 2026

Industry leaders say that 'trust hangs by a thread' and the time has come take action.

Burnham’s controversial lobbying ties raise red flags about transparency in Westminster  

Lucy Carrier-Pilkington | July 8, 2026

Bombshell evidence reveals Burnham’s soon-to-be Chief of Staff ran a lobbying firm that hosted a multitude of undisclosed meetings with Labour officials.  

Farage’s bombshell resignation: Strategy or hubris? 

Lucy Carrier-Pilkington | July 7, 2026

Farage says ‘the people of Clacton should be the judges of my actions’, but is this his most reckless move yet?  

UK’s £4.7 billion Defence black hole: Dan Jarvis is inheriting a defence settlement Britain can no longer afford

Mace Magazine | July 1, 2026

Britain cannot afford to fall behind its NATO allies on defence spending, writes Jasset Harlech.

Flint lobbyist James Purnell set to become Burnham’s chief of staff, causing unease in some Labour ranks

Mace Magazine | June 26, 2026

Flint Global CEO James Purnell's expected appointment as Andy Burnham's chief of staff is just the latest Westminster merry-go-round job move from Public Affairs back into Downing Street.

Whitehall grinds to a halt after resignation chaos  

Lucy Carrier-Pilkington | June 24, 2026

Senior advisor warns that the change of prime minister is a “colossal waste of energy”, as the business of politics comes to a standstill.

Britain is drifting towards Italian-style instability — it is time to learn from America 

Lucy Carrier-Pilkington | June 23, 2026

Love or hate the current American administration, at least they have a consistent electoral cycle where the choice of the electorate is upheld.