elementalLONDON, an exhibition aimed at decarbonising heat in the built environment, is coming to ExCel London in November. 

On 19 and 20 November 2025, a new event focusing on the decarbonisation of heat in our built environment will open its doors at ExceL London. elementalLONDON is being positioned as a response to long-standing industry demand for an exhibition shaped by, and for, those driving building performance through design, technology and policy. 

The event’s organisers, Nineteen Group, are well-known for running large-scale trade exhibitions including InstallerSHOW. elementalLONDON aims to help professionals working across the built environment learn how they can reduce energy usage, decarbonise systems and choose smarter, more efficient solutions for the buildings they create and maintain. 
 

Lively debates and interactive sessions 

Rather than having one main stage and a series of exhibitor-led seminars, elementalLONDON will include five curated theatres, each with its own thematic focus and audience. Two of these will be delivered in collaboration with the Chartered Institution of Building Services Engineers (CIBSE), through a strategic partnership that sees CIBSE’s Build2Perform event integrated directly into elementalLONDON. 

This will offer a blend of perspectives, from real-world policy challenges and housing retrofits to the intricacies of achieving net zero in large commercial buildings. CIBSE will curate its own theatres – The Synergy and Influence Theatres – focusing on regulation, safety, building systems performance, and collaboration across the building lifecycle. 

The main stage of elementalLONDON – the elemental Arena – will feature lively debates and interactive sessions on all the biggest issues affecting those tasked with advancing the efficiency of buildings. Speakers will include government ministers, academics, industry leaders and inspiring voices from all sectors of the built environment.  

The Housing Hub will host discussions on making the UK’s homes more efficient, covering both newbuild and retrofit, with essential information for councils, housing associations, housebuilders and developers. Topics to be discussed include: 

  • Decarbonising home heating  
  • Retrofitting hard-to-treat homes  
  • Approaching the Future Homes Standard  
  • Accessing funding for efficient social housing. 

Meanwhile, the Climate Solutions Theatre will tackle the major issues facing those working with heating and cooling commercial and public buildings, such as the policy landscape, industry trends, and activity ‘on the ground’. Hot topics will include the decarbonisation of HVAC, the challenge of the new Building Safety Act, Indoor Air Quality, and refrigerants. 

 
Decarbonisation and air quality 

One area getting particular focus is indoor environmental quality, especially in mass housing and commercial office spaces. There is an ever-growing awareness of the link between air quality and occupant health, and the event aims to explore that connection in both technical and policy terms. Other sessions will examine retrofit strategies, the application of new building standards, and routes to compliance with future legislation. Speakers on both days will include senior consultants, housing providers, local authorities and commercial asset managers, alongside manufacturers and system suppliers. 

 
The home of physical demonstrations 

Alongside theatres and seminars, the show floor will again feature the physical demonstration ‘Haus’ first seen at InstallerSHOW in June – albeit with new updates to suit the elemental audience. Originally built in collaboration with more than 130 product suppliers, The Haus will be reconfigured to highlight those systems most relevant to high-volume and high-efficiency developments. Passive design principles, advanced HVAC, indoor air quality sensors and smart water management will all be represented. The structure offers visitors a way to see technologies in situ, to gain a clearer sense of how different elements can integrate in practice. 

Visitor registration is now open, with attendance free for those working in relevant industry sectors. Exhibitors are also being encouraged to bring working technologies and live demonstrations to the show, rather than static stands.  

Register for your free ticket at https://elementallondon.show