Cornish Lithium: IPO plans, latest news and what investors need to know

Cornish Lithium: an introduction

Cornish Lithium is a private UK critical minerals company developing two lithium extraction projects in Cornwall: the Trelavour hard-rock project near St Austell, and the Cross Lanes geothermal lithium project near Chacewater. Founded in 2016, the company has raised approximately £150 million to date from a combination of institutional investors, UK government-backed funds and public crowdfunding campaigns. 

It remains the most advanced domestic lithium company in the UK and occupies a distinctive position in the country's critical minerals landscape as the transition to electric vehicles accelerates. 

Despite first floated as an IPO candidate as long ago as 2022, as of June 2026 the company remains private with no confirmed listing timetable.

Important note (June 2026)

Cornish Lithium has not yet listed on any public stock exchange. There is currently no confirmed IPO date. This article covers the company's current development status, funding history and the conditions under which a public listing might eventually take place. It is not a recommendation to buy or sell any security.

Where things stand in June 2026

£35m

Equity funding raised in October 2025 from the National Wealth Fund (£31m) and TechMet (£4m) to advance both projects to final investment decision.

May 2026

Completion of the specialist-lined water storage lagoon at Cross Lanes, the final pre-drilling infrastructure requirement before geothermal well operations can begin.

Summer 2026

Development Consent Order (DCO) application for Trelavour expected to be submitted, following its designation as a project of national significance.

The two projects

1. Trelavour Lithium Project (hard rock)
2. Cross Lanes Geothermal Lithium Project

1. Trelavour Lithium Project (hard rock)

Trelavour involves the repurposing of a former china clay pit near St Dennis, St Austell, for the mining and extraction of lithium from hard rock. A resource update published in 2025 showed a 50% increase in contained lithium compared to the 2022 estimate, with a total mineral resource of 88.5 million tonnes at 0.21% Li2O, equivalent to 454,500 tonnes of lithium carbonate equivalent. The updated figures support production of approximately 10,000 tonnes per year of battery-grade lithium hydroxide for at least 20 years.

In September 2024, the Secretary of State for Housing, Communities and Local Government designated Trelavour a project of national significance under the Planning Act 2008. This means planning permission must be granted through a Development Consent Order (DCO) rather than through Cornwall Council alone, reflecting the strategic importance the government attaches to the project.

The Planning Inspectorate's inception meeting note from March 2025 confirmed the applicant was engaged in pre-application consultation. The DCO application is due in late summer 2026 following statutory and community consultation processes.

A June 2026 report cited analysis suggesting Cornish Lithium's projects could deliver £5 billion in economic value to Cornwall, including 700 jobs, 400 of which would be long-term, highly paid positions. The report noted an economic multiplier of £1.75 for every £1 of direct value at Trelavour, above benchmark comparisons for mining (£1.08) and construction (£1.14).

2. Cross Lanes Geothermal Lithium Project

Cross Lanes, located near Chacewater, aims to extract lithium from naturally occurring geothermal waters (brine) that circulate deep beneath parts of Cornwall using Direct Lithium Extraction (DLE) technology. DLE uses selective ion-capture processes to isolate lithium from brine using sorbent materials or ion-exchange membranes, without requiring solar evaporation ponds. It operates with a significantly smaller environmental footprint than conventional methods and reinjected the treated water underground in a closed-loop system.

Cornwall Council granted planning permission for the UK's first commercial geothermal lithium production facility at Cross Lanes in a delegated decision in March 2025. A second planning approval for test boreholes near Redruth was granted in March 2026, as reported by Ground Engineering.

A specialist-lined water storage lagoon, which will temporarily hold brine extracted during drilling and testing before it is returned underground, was completed by contractor SCLT in May 2026, clearing the final pre-drilling infrastructure requirement.

Two production-scale geothermal wells are planned to be drilled to approximately 2,000 metres deep during summer 2026, with a three-month testing programme scheduled to run through autumn and winter. The data from those wells will be used to inform a Final Investment Decision (FID) on a full commercial-scale facility.

Funding history

Cornish Lithium has raised money through a combination of institutional rounds, UK government and government-backed investment, and multiple rounds of retail crowdfunding on Crowdcube. The October 2025 institutional round of £35 million was the largest to date, anchored by the National Wealth Fund (£31 million) and TechMet (£4 million). The NWF's involvement is significant: as the UK government's principal investor for critical minerals supply chain resilience, its continued participation signals strong institutional confidence in the project's trajectory.

Cornish Lithium IPO: what we know

Cornish Lithium has been discussed as a prospective public listing since at least 2022, when it first emerged in news coverage as a company considering an IPO on the London Stock Exchange. That float was put on hold due to difficult market conditions (rising interest rates and a global equity market downturn). Since then, the company has continued to raise private capital rather than pursuing a public listing.

As of June 2026, there is no confirmed IPO date, no published prospectus and no indication from the company of an imminent listing. Cornish Lithium's current strategic focus is on completing the Cross Lanes drilling programme, finalising the Trelavour Feasibility Study and DCO application, and bringing both projects to Final Investment Decision.

An IPO, if it happens, would most likely come after one or both projects have reached FID, as that would provide institutional investors with a much clearer picture of the economics and timeline to production than the current pre-FID position.

For investors watching for a potential listing, the most relevant near-term milestones are the Cross Lanes drilling results (expected autumn/winter 2026) and the Trelavour DCO submission (expected late summer 2026). Both will provide material new information that could accelerate or delay a listing decision.

In the meantime, the Crowdcube platform has been used for previous retail fundraising rounds and may be used again for future rounds, though the Cornish Lithium Crowdcube page notes that the most recent opportunity is now closed.

Other actively watched UK IPO candidates currently include Shawbrook Bank, Revolut and Verisure, with a broader view of upcoming IPOs to watch covering the wider pipeline.

The lithium market: context for investors

Understanding Cornish Lithium's commercial prospects requires understanding the broader lithium market, which has been through a dramatic cycle in the past three years. Lithium carbonate prices peaked in late 2022 at over $80,000 per tonne, then fell sharply throughout 2023 and 2024 as global supply surged well ahead of demand growth, particularly from the rapid expansion of Australian and Chinese production. By early 2025, prices had dropped to multi-year lows below $10,000 per tonne, as detailed in a Nasdaq year-end review.

That dynamic appears to be shifting. Fastmarkets projected the market would swing from an oversupply of approximately 10,000 tonnes in 2025 to a deficit of 1,500 tonnes in 2026, as production cuts at high-cost mines took effect and demand from EVs and grid energy storage continued to grow. By Q1 2026, battery-grade lithium carbonate prices had nearly doubled from their October 2025 lows to approximately $26,278 per tonne, with supply constraints and speculative buying driving the rally.

For Cornish Lithium, the prolonged price downturn of 2023-25 was unfavourable from a funding and valuation perspective, since the economics of a project that does not yet produce any lithium are particularly sensitive to where spot prices sit when investors model future cash flows.

The recovery in prices in late 2025 and early 2026 is therefore constructive for the company's path to commercialisation. However, significant price volatility is likely to continue, and the timing of Cornish Lithium's eventual production will be a major factor in the returns investors ultimately realise.

Risks for investors to consider

• No confirmed IPO date: the company has been discussed as a listing candidate since 2022 without a public float materialising. There is no guarantee one will occur, or at what valuation.
• Pre-revenue, pre-production: Cornish Lithium generates no commercial revenue. Both projects are still in development and have not yet produced battery-grade lithium at commercial scale.
• Lithium price risk: the economics of any future production are sensitive to prevailing lithium prices, which have been highly volatile and are subject to significant uncertainty.
• Permitting and regulatory risk: the Trelavour DCO process is complex and lengthy. Delays in planning approvals could push back the construction and production timeline materially.
• Technology risk: the Lepidico processing technology at Trelavour and the DLE process at Cross Lanes have not yet been proven at commercial scale at these specific sites.
• Funding risk: further capital will be required before commercial production begins. If market conditions deteriorate, or if milestones are missed, future fundraising may be at less favourable terms.
• Capital loss risk: investors who participated in Crowdcube rounds hold illiquid private shares. These cannot be readily sold in the absence of a public listing or secondary transaction.

Lithium price recovery is not guaranteed: while prices have rebounded from their 2025 lows, Wood Mackenzie and others caution that structural deficits may not emerge until after 2030.

Where Cornish Lithium fits in a portfolio

As a pre-revenue, pre-production critical minerals company with no confirmed IPO date and no commercial output, Cornish Lithium sits firmly in the speculative category. In other words, a high-risk, potentially high-reward position that is appropriate only as a small allocation within a well-diversified portfolio, not as a core holding.

The comparison to SpaceX is instructive. SpaceX is widely cited as one of the most compelling private company investment opportunities in the world, yet even institutional investors with access to its secondary market shares typically limit exposure to a fraction of a percent of total assets, precisely because the binary nature of the outcome, transformative success or significant capital loss, makes concentration inappropriate regardless of conviction.

Cornish Lithium shares that character. The bull case is genuinely compelling: the UK's only advanced domestic lithium project, government-backed, strategically critical, and operationally closer to production than at any previous point. But the bear case is equally real: lithium prices remain volatile, both projects are pre-FID, the DCO planning process for Trelavour is lengthy and uncertain, and investors who participated in Crowdcube rounds hold illiquid shares with no guaranteed exit route.

Anyone considering Cornish Lithium, whether through a future IPO or a future Crowdcube round, should treat it as they would any early-stage resource company: position-size accordingly, assume the possibility of total loss, and ensure the rest of the portfolio is not dependent on this position performing.

Cornish Lithium FAQs