Streeting may be the tonic to soothe Britain’s rattled bond markets

Adam SmithMon, May 11, 2026 at 12:30 PM UTC

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Wes Streeting has shown a greater willingness to speak openly about the economic costs of high taxation - Dan Kitwood/Getty Images

Allies of Rachel Reeves like to argue that she is the only reason UK bond yields are not even higher.

They point to the sudden surge in yields that occurred last year when it briefly appeared that the Chancellor might be moved from the Treasury.

They contrast her cast-iron commitment to fiscal rules with the rhetoric of potential Labour leadership challengers such as Andy Burnham.

In painting this picture, Reeves’s allies imply that any move against either the Chancellor or Sir Keir Starmer would trigger an immediate deterioration in market confidence and a damaging rise in borrowing costs.

But what if this analysis is only half right? Because little has been said about what a Wes Streeting victory would mean for the public finances.

If a leadership contest were triggered before Burnham finds a route back into Parliament, the Health Secretary could be in pole position. Being associated with the Blairite Right is hardly an obvious advantage with Labour members.

Yet they should pay attention to what investors and business leaders think a Streeting premiership might mean for the economy. They may not like his political arguments, but they should understand the potential fiscal implications.

One senior City investor recently told me that a Streeting victory could drive gilt yields down by between 50 and 100 basis points. That may sound like irrelevant financial jargon to a councillor who has just lost their seat, but it could be politically transformative.

A sustained fall in borrowing costs on that scale would materially reduce future debt interest payments. If maintained for several years, the OBR’s own ready reckoner suggests such a fall could boost the public finances by as much as £20bn.

This would reduce the need for spending cuts that would be unpopular with Labour MPs and limit tax rises that would damage growth.

Investors aren’t thinking this way because they expect a Streeting premiership to cut spending and welfare.

But they are increasingly seeing him not merely as another version of Starmer or Reeves, but as someone who might have the political abilities and instincts to get a grip on inflation and the UK’s growth problem.

This argument rests partly on temperament. Streeting is seen as instinctively more pro-business and more comfortable with market economics than much of the Labour movement, including the current Prime Minister and Chancellor, and considerably more so than his potential leadership rivals.

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But it also rests on substance. At a time when much of Labour’s internal debate is about how best to tax the rich and big business, Streeting has shown a greater willingness to speak openly about the economic costs of high taxation.

His recent admission that he is “uncomfortable with the level of taxation in this country” stands out precisely because so few senior Labour figures speak in those terms.

Likewise, his warning that “we’re asking a lot of individual taxpayers” and “asking a lot of businesses” is taken as evidence of a more growth-oriented instinct.

That matters because markets increasingly fear Britain has drifted into a European-style low-growth, high-tax equilibrium in which ever greater spending commitments are piled on to an overregulated, overburdened private sector.

Streeting has also gone further than Starmer on Britain’s relationship with Europe.

His argument late last year that “the best way for us to get more growth into our economy is a deeper trading relationship with the EU” was widely interpreted as a signal that he was open to a customs union – something the Prime Minister still appears to be ruling out.

Whether you agree with this agenda or not, markets combine these two positions and hear a commitment to reducing trade friction, favouring competitive tax rates and stronger investment incentives, and therefore a larger potential growth rate for the British economy.

This is the key distinction between Streeting and rivals from Labour’s Left. Investors can tolerate relatively high public spending, if they believe an economy is capable of generating the growth required to sustain it.

Burnham and Rayner are perceived as politicians whose instinct in the face of fiscal pressure would be to raise taxes, expand borrowing and increase labour market intervention. Streeting, by contrast, is viewed as someone more likely to pursue growth through supply-side reform, boosting business confidence and meaningful economic integration with Europe.

Whether that perception is entirely fair is almost secondary. After all, Streeting has also spoken favourably about higher corporation tax and aligning capital gains tax with income tax.

But if investors believe it, they will demand a lower premium to lend to Britain. And in a country carrying debt close to 100pc of GDP, even small changes in borrowing costs can have significant fiscal benefits.

All of this creates an intriguing paradox inside Labour politics. The leader most distrusted by parts of the party’s Left may ultimately be the one most capable of financing the expansive social-democratic state that they all crave.

Whether they buy into this may determine who our next Prime Minister will be.

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Source: “AOL Money”