Wednesday 2nd September 2026

(4 weeks, 1 day ago)

Westminster Hall
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Westminster Hall is an alternative Chamber for MPs to hold debates, named after the adjoining Westminster Hall.

Each debate is chaired by an MP from the Panel of Chairs, rather than the Speaker or Deputy Speaker. A Government Minister will give the final speech, and no votes may be called on the debate topic.

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Blair McDougall Portrait The Parliamentary Under-Secretary of State for Business, Innovation, Science and Trade (Blair McDougall)
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It is a pleasure to serve under your chairship, Mrs Barker. It is also a pleasure to respond to my hon. Friend the Member for Camborne and Redruth (Perran Moon) and to congratulate him on securing this debate. It is a further pleasure to be taken back, at least momentarily, to my summer holiday in the constituency of my hon. Friend the Member for St Austell and Newquay (Noah Law). I will not say where I would rather be at this particular moment.

Scientists have said that the shortest scientifically measurable period of time is 247 zeptoseconds, but I can confirm that my own research has found an even shorter measurable time than that, which is the period between someone being appointed the Minister for critical minerals and all the Labour MPs from Cornwall contacting them to ask for meetings and conversations about the potential for critical minerals in that part of the world. Perhaps appropriately for a debate on mining, they are Stakhanovian in their work effort on this issue.

This debate on global tin availability is timely, as has been said. It is not always the mineral that attracts the big headlines, but to respond to the first request of my hon. Friend the Member for Camborne and Redruth, I confirm that the Government absolutely recognise that tin is central and fundamental to modern economic life. It is the solder that connects circuit boards, semiconductors, data infrastructure, automotive electrics and of course defence technologies. When global tin supply is tight, the impact can be felt far beyond mining markets, in manufacturing costs, supply chain resilience, investment decisions and, ultimately, the UK’s ability to deliver growth, energy security and national security.

My hon. Friend’s constituency is absolutely central to that discussion and to meeting those challenges. It is home to significant tin deposits, including the South Crofty tin mine, which has a high-grade tin resource and the potential to re-establish meaningful primary tin production in the UK. That matters not only for Cornwall’s proud mining heritage, which I was going to say goes back to the bronze age, but given that tin is one of the constituent parts of bronze, perhaps it predates the bronze age. Cornwall is the tin isles mentioned by Herodotus. As has been said, however, the future of tin mining is of much more immediate importance, and a source of excitement. The question before us is not simply whether we can mine more tin again, but how a secure, responsible and diverse tin supply can support jobs, industrial competitiveness, clean energy deployment and economic resilience.

Jim Shannon Portrait Jim Shannon (Strangford) (DUP)
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I commend the hon. Member for Camborne and Redruth (Perran Moon) for securing this debate. I am sponsoring an event next door at which I had to speak, so I could not be in the Chamber, although I intended to be here. I spoke to you earlier, Mrs Barker, for permission to ask a question instead.

The hon. Gentleman is a fantastic spokesman for Cornwall. He is present whenever we debate a subject that has to do with Cornwall, and I congratulate him on that. This issue is of particular significance for us in Northern Ireland, and we want to add our support for what the hon. Gentleman is doing, because we have no major domestic source of tin and rely on imported supplies, making businesses vulnerable to international supply chain disruption. Businesses in Northern Ireland also face additional complex regulatory requirements to ensure that tin is not linked to conflict or illegal mining.

We in Northern Ireland want to add our support to Cornish Metals’ plans to establish production at the South Crofty mine in Cornwall, which could support the securing of a supply for the west and ensure that Northern Ireland has accessible tin at an affordable price, with no EU interference in the trade. I again commend the hon. Member for Camborne and Redruth and I look to the Minister to support him. We certainly support him in Northern Ireland.

Blair McDougall Portrait Blair McDougall
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I thank the hon. Gentleman for his offer of support for the effort. One of Northern Ireland’s key economic strengths is advanced manufacturing, and the importance of tin runs through that sector from top to bottom. Tin underpins so much: advanced manufacturing, automotive production, aerospace, clean energy technologies, data centres, telecommunications and defence, all of which are important for Northern Ireland and the UK at large. If tin is scarce, volatile or increasingly concentrated in a few countries, as hon. Members have mentioned, those pressures can affect investment confidence, productivity and our competitiveness in the sectors within the industrial strategy.

It is not enough, as my hon. Friends the Members for St Austell and Newquay and for South East Cornwall (Anna Gelderd) have said, simply to leave this matter to the market. We have a responsibility to make sure that local people benefit from it. As my hon. Friend the Member for South East Cornwall also said, it is essential to our ability to deliver on the industrial strategy as a whole. Critical minerals in themselves are an essential part of the UK economy, but they also underpin everything else that we are trying to achieve. That is why the critical minerals strategy is focused on resilience, improving our understanding of demand, supporting domestic capability where it is viable and environmentally responsible, increasing recycling and working with international partners so that UK businesses are not dependent on fragile or overly concentrated sources of supply.

We cannot onshore every part of the supply chain, but where we have those resources—as we clearly do in Cornwall—capable companies, the environmental protections and community support here in the UK, we can make a contribution to that resilience. That is why, for example, we supported the South Crofty tin project through £20 million of equity investment and last week announced a £71 million investment into Tungsten West. As hon. Members have said, exploration and mining are great, but we also want to see more processing, refining and recycling in the UK. That is why we put the £25 million critical minerals accelerator in place: to help viable projects to get over that hump and get into the market. It is why we are introducing BICS to make the energy costs for potential refining projects more affordable and dealing with things like grid connections.

The Liberal Democrat spokesman, the hon. Member for Maidenhead (Mr Reynolds), asked about intelligence. We have instituted the growth minerals list to get a sense of our demand and introduced the demand aggregator to get a sense of that with allies. The Critical Minerals Intelligence Centre published a prospectivity report, which sets out exactly what he asked about in terms of the potential resources, and we work with the British Geological Survey on that basis. As I said, we are working with international partners to make sure that we have reliable prices, diverse sources and material produced to the high standards that the modern economy requires.

In conclusion, tin has a major economic footprint. It connects the technologies that power our homes, vehicles, factories and communications. The global availability of tin therefore matters to prices, productivity, resilience and good growth. The Government’s approach is clear: support responsible domestic production where we can, recover more value through recycling, build better data on demand, mobilise finance and work with international partners to diversify supply. By doing so, we can reduce vulnerability, support British industry, create skilled jobs and ensure that the UK economy has access to the critical minerals that it needs for the future. I look forward to working with hon. Friends to that end—and, as I am the only person who has not mentioned Tinder, let me finish by saying that I will always swipe right for my hon. Friend the Member for Camborne and Redruth.