Key Takeaways
- • The National Wealth Fund (NWF), a UK policy bank formally set up in October 2024, replaces the UK Infrastructure Bank (UKIB) and is wholly owned by the Treasury but operates at arm's length with an independent board.
- • The NWF will be capitalised with a total of £27.8bn by the end of this parliament: £22bn of existing UKIB capital (about £3.1bn invested by April 2024) and a further £5.8bn committed this parliament.
- • The government targets £3 of private investment for every £1 of public money, though the basis for this ratio is not clearly specified.
- • The NWF will reach only about 1% of UK GDP in 2028, far smaller than German KfW and French Bpifrance, which each invest roughly 1% of GDP annually.
- • Investments must meet three criteria: tackling climate change and driving growth, generating a positive financial return, and mobilising private finance.
- • Estimated financial returns from the additional £5.8bn are £135m by 2029/30, according to HM Treasury's Autumn Budget 2024 policy costings.
Summary
The National Wealth Fund (NWF) is a policy bank established by the UK government to partner with the private sector and local authorities in financing infrastructure and other priority projects. Its stated purpose is to crowd in private investment. The NWF was first announced by Labour while in opposition and was formally set up in October 2024. Despite its name, it is not a sovereign wealth fund; the government describes it as the UK's "impact investor." It evolved from and replaced the UK Infrastructure Bank (UKIB), inheriting its Leeds headquarters and status as an executive non-departmental public body.
The NWF will be capitalised with £27.8bn by the end of this parliament, comprising £22bn of existing UKIB capital, of which around £3.1bn had been invested by April 2024, and £5.8bn of new commitments. The primary source notes this is considerably smaller than European counterparts such as KfW and Bpifrance, which each invest about 1% of national GDP annually, a level the NWF will not reach until 2028. The NWF will continue UKIB's priority sectors of clean energy, digital, transport, water, waste and natural capital, and will direct additional capital to five new sectors identified in the manifesto: green hydrogen, green steel, carbon capture and storage, gigafactories, and ports.
The NWF operates through two core functions: private sector finance and local authority services. Its instruments include equity investment, such as a £28.6m stake in Cornish Metals Inc. to reopen a Cornish tin mine; debt, such as a £25m loan to Netomnia, topping up a £75m UKIB commitment; and guarantees, including £750m supporting £500m loans each from Lloyds and Barclays for social housing retrofit. For local authorities, it offers advisory services and low-cost finance, including £92m for coastal flood defences in North Wales. The government intends to crowd in private capital deal by deal for now, with a medium-term aim for private investors to invest in the fund directly.
The NWF measures "additionality" against a counterfactual scenario in which it had not intervened, seeking to avoid crowding out private investment. Open questions remain. Many frameworks for remit, strategy and impact measurement are inherited from UKIB, and the government has not yet said how it will update them for the broader mandate. Legislation to broaden the legal mandate beyond infrastructure is planned. It is also unclear how the NWF will coordinate with the British Business Bank and Great British Energy, which also invest in clean energy, to avoid competition for the same projects and staff, as noted by LSE commentators Jameson and Howat.
The NWF will be capitalised with £27.8bn by the end of this parliament, comprising £22bn of existing UKIB capital, of which around £3.1bn had been invested by April 2024, and £5.8bn of new commitments. The primary source notes this is considerably smaller than European counterparts such as KfW and Bpifrance, which each invest about 1% of national GDP annually, a level the NWF will not reach until 2028. The NWF will continue UKIB's priority sectors of clean energy, digital, transport, water, waste and natural capital, and will direct additional capital to five new sectors identified in the manifesto: green hydrogen, green steel, carbon capture and storage, gigafactories, and ports.
The NWF operates through two core functions: private sector finance and local authority services. Its instruments include equity investment, such as a £28.6m stake in Cornish Metals Inc. to reopen a Cornish tin mine; debt, such as a £25m loan to Netomnia, topping up a £75m UKIB commitment; and guarantees, including £750m supporting £500m loans each from Lloyds and Barclays for social housing retrofit. For local authorities, it offers advisory services and low-cost finance, including £92m for coastal flood defences in North Wales. The government intends to crowd in private capital deal by deal for now, with a medium-term aim for private investors to invest in the fund directly.
The NWF measures "additionality" against a counterfactual scenario in which it had not intervened, seeking to avoid crowding out private investment. Open questions remain. Many frameworks for remit, strategy and impact measurement are inherited from UKIB, and the government has not yet said how it will update them for the broader mandate. Legislation to broaden the legal mandate beyond infrastructure is planned. It is also unclear how the NWF will coordinate with the British Business Bank and Great British Energy, which also invest in clean energy, to avoid competition for the same projects and staff, as noted by LSE commentators Jameson and Howat.
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