Not long to go until elementalLONDON - at Excel London on 25-26 November
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elementalLONDON 2026 is now just weeks away, bringing together the professionals, technologies and expertise shaping the future of building efficiency at Excel London on 25-26 November.
The UK’s dedicated event for professionals working to improve the efficiency of commercial, industrial and large-scale residential buildings will bring together 25,000+ built environment and construction professionals, alongside expert speakers, leading manufacturers, solution providers and industry organisations. Co-located with London Build and incorporating CIBSE Build2Perform, elementalLONDON will provide a meeting point for the construction, building services and sustainability communities.

A programme focused on building performance
The 2026 programme will bring together experts from across engineering, construction, property, sustainability, building services and government, with content focused on the practical challenges involved in improving building efficiency.
Across the dedicated elementalLONDON stages, sessions will explore decarbonisation, energy efficiency, HVAC, retrofit, building performance, net zero, overheating, heat networks and the future of sustainable buildings.
The programme includes five dedicated stages: the Climate Solutions Theatre, the NHIC Knowledge Hub, UK Housing Stage and CIBSE Build2Perform's Influence stage, alongside the co-located Sustainability Arena and further London Build stages.
Highlights include sessions exploring deep retrofit at scale, the future of commercial building standards, decarbonising London, tackling overheating and delivering healthier buildings, alongside practical discussions around the technologies and strategies needed to improve building performance.
Explore the full agenda here.

Engineering better-performing buildings
CIBSE Build2Perform will form a key part of the elementalLONDON experience, bringing together engineers, consultants, manufacturers and policymakers to explore the future of building services and high-performance buildings.
With dedicated content across the CIBSE Build2Perform Influence stage, visitors can expect technical insight and practical discussions around building systems, energy performance, engineering design and the delivery of more efficient buildings. Sessions will include:
- The UK Net Zero Carbon Buildings Standard: Year One in Practice
- The Future of Cooling: Engineering for the Global Cooling Pledge
- AI and Digital Engineering: From Predictive Modelling to Operational Optimisation
- Deep Retrofit at Scale: Engineering Pathways for Complex Buildings
- The Circular Economy in Building Services: Material Passports, Reuse and MEP Disassembly
Discover the latest technologies
The exhibition will bring together manufacturers, technology providers and specialist solution providers across heating, cooling, ventilation, renewable energy, energy management, building controls and water efficiency.
Confirmed exhibitors include major industry names such as Baxi, Danfoss, Daikin, Clivet, Mitsubishi Electric, Beijer Ref, Mitsubishi Heavy Industries and Excool Special Products, alongside a growing range of specialist suppliers and emerging innovators.
The 2026 exhibitor list also spans technologies and solutions across HVAC, renewable energy, building management systems and controls, water efficiency and wider building performance.

Connect with the people shaping building efficiency
Beyond the stages and exhibition floor, elementalLONDON will provide dedicated networking opportunities to connect with the professionals responsible for specifying, designing, delivering and operating more efficient buildings. The event brings together architects, engineers, consultants, contractors, developers, building owners, facilities managers, housing providers and other built environment professionals, creating opportunities to share knowledge, discover new solutions and build valuable connections across the supply chain.
With networking sessions, industry meet-ups and informal opportunities to connect taking place throughout the two days, visitors can meet professionals working across HVAC, energy efficiency, sustainability, building performance and retrofit, alongside the wider construction and design community.
Co-located with London Build, visitors will also have access to a wider programme spanning construction, architecture, digitalisation, housing, skills, building safety and innovation, bringing the built environment community together under one roof.
Two shows, one destination
Alongside elementalLONDON, London Build 2026 will bring together the wider construction and design community, with 450+ exhibitors, 600+ speakers and a packed programme of CPD-accredited content.
Together, the two events provide a complementary view of the built environment, connecting the people delivering projects with the technologies and expertise needed to make buildings more efficient, sustainable and future-ready.
elementalLONDON 2026 takes place on 25-26 November at Excel London. Registration is free.
Find out more: www.elementallondon.show
Register to attend here
