When and where is elementalLONDON 2026?

25–26 November 2026 at Excel London, co-located with London Build and incorporating CIBSE Build2Perform Live.

How much does it cost to attend?

Visitor registration is free and gives access to all sessions.

Built environment professionals working on building efficiency: building services engineers, M&E contractors, consultants, architects, developers, facilities managers, local authorities and housing associations.

How do I get to Excel London?

By Elizabeth line, three DLR stations, buses or cable car; drivers use postcode E16 1FR for the car park under the venue, and motorcycle parking is free.

elementalLONDON 2026

Name: elementalLONDON 2026
Start: 2026-11-25T09:00:00+00:00
End: 2026-11-26T17:00:00+00:00
Location: ExCeL London

About this event

elementalLONDON is the UK's event dedicated to advancing the efficiency of commercial, industrial and large-scale residential buildings for the specification community. In 2026 it incorporates CIBSE's Build2Perform Live and co-locates with London Build at Excel London, creating what the organiser, Nineteen Group, calls the UK's most comprehensive event for construction, building services and sustainability.

Who attends

The show targets built environment professionals looking for solutions that improve building performance and cut energy use and carbon.

Building services and mechanical engineers
Mechanical and electrical contractors
Consultants and specifiers
Architects and designers
Developers and house builders
Facilities managers
Local authorities and housing associations

Three pillars

Content and exhibitors are organised around commercial buildings (offices, retail, hospitality, mixed use), industrial facilities and infrastructure, and large-scale residential projects.

Content programme

The 2026 agenda, running alongside London Build Expo, features 17 CPD-accredited stages and 900+ speakers from government, industry and academia, and 450+ exhibitors across the co-located events. All sessions are included with the free ticket.