Our Responsibilities
Sustainability
Leading the Way to Net-Zero in Precast Concrete.
At Kallisto, sustainability isn’t just a goal, it’s a responsibility. As part of Milbank Concrete Products, we’re committed to becoming the UK’s most sustainable supplier of precast concrete staircases, and we’re on track to achieve net-zero carbon emissions by 2030, two decades ahead of government targets.
We recognise the significant environmental impact of concrete production and understand the urgency for real change. That’s why we’ve already achieved a 61% reduction in CO₂ emissions since 2018, and that’s only the beginning.
Our Commitment to Net-Zero by 2030
We’ve committed to reaching net-zero Scope 1 and 2 emissions by 2030. These include all direct emissions from our operations and indirect emissions from the energy we purchase.
But we’re not stopping there. Work is already underway to address our Scope 3 emissions, the broader, supply chain-related environmental impacts, through more sustainable procurement, partnerships, and ongoing innovation.
The Environmental Impact of Precast Concrete
Cement, a core ingredient in precast concrete, is the second-largest industrial source of CO₂ emissions globally, producing approximately one tonne of CO₂ per tonne of cement. Globally, cement production is responsible for around 8% of all human-made CO₂ emissions, second only to coal-powered electricity.
As an industry, we cannot ignore these facts. But through innovation, investment, and accountability, we believe it’s possible to lead change, reduce emissions, and set new environmental standards for the construction sector.
We’ve introduced a cutting-edge cement replacement into our concrete mix, resulting in a cement reduction of up to 21%, without compromising our concrete’s performance.
Since our reporting baseline in 2018, the change to our concrete mix, introduced in 2024, means that the CO₂e in products has reduced by of over 33%. On top of these important carbon reductions, our products benefit from increased early strength, enhanced colour brightness and improved surface smoothness.
How We’re Making a Difference
We’ve already implemented a range of impactful changes across our operations, including:
- Biomass-fuelled heating: Our manufacturing facility is powered in part by a wood pellet biomass boiler
- Transition to 100% HVO fuel: We are the first precast manufacturer in the UK to convert 100% of production machinery (including forklifts, dumpers, cherry pickers and more) from diesel to hydrotreated vegetable oil (HVO)
- In 2024 we introduced a UK-first electric concrete transporter, delivering material from batching to extrusion with zero emissions
- Electric vehicle charging points: Available on-site for employees and visitors
- Our new Carbon Reduction Calculator, included as standard in all quotations, enables clients to make eco-conscious decisions backed by clear emissions data.
Built for Future Generations
In 2021, we installed a large-scale solar array on the roof of our factory, generating up to 300,000 kWh per year, covering approximately 50% of our total energy usage.
We are proud to be certified as a Zero Waste to Landfill company and operate an accredited ISO 14001 Environmental Management System to support the continuous monitoring and improvement of our environmental impact.
Our path to sustainability will never be complete, but we are committed to ongoing research, development, and innovation to ensure we stay at the forefront of positive change in our industry.
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Whether you’re commissioning a one-of-a-kind new build or reimagining your existing space, we’re here to help bring your vision to life.