image 11 (2)

Tickets for THE HEAT will never be as cheap as today. Click the links below to join us on September 19 2025. All we ask is that you’re working in or engaged in climate-tech — in any role, in any geography. THE HEAT will be a gathering of peers.

You’ll be in great company: we’ve registered founders of ambitious startups and companies such as Notpla, Tokamak Energy, Fix First, Extend Robotics, Anzen Innovations, Climate-i, Baneco, Equipoise, GigaClimate, Origin by Ocean, Olio, KlimateNet, Bright Materia, Space Solar, Pipeline Organics, Furbnow, CapChar, Porpoise Power and Risilience; institutions such as The Science Museum Group, University College London, University of Cambridge, UK Research & Innovation, UK Science & Technology Facilities Council, Oxford Brookes University, Berkshire NHS Trust, the United Nations University and the Climate Crisis Advisory Group; investors at Planet A Ventures, Norrsken VC, 2150, Ada Ventures, Zouk Capital, Maniv, Ananda Impact Ventures, Acclimate Ventures, Hartree Climate Partners, Woven Capital, Balderton Capital, TerraFive Partners and HSBC Innovation Banking; ecosystem builders such as ClimateHack, Transition Finance Network, Impact Hustlers, Carbon13 and Climate Connection; media from The Wall Street Journal, Sifted, NatureTech Memos and FoodTech Weekly; partners such as Advanced Oxford, The Table Foundation, Oxfordshire Greentech, The Climate Tech Supercluster, The ZERO Founders Network and Undaunted; legal experts from Dehns, Mathys & Squire, J A Kemp and Eco Ventures Counsel; corporates such as HSBC Innovation Banking, Barclays and Coca-Cola Europacific Partners — and many more.

Scroll down for all ticket options ↓

background light left
background light right

All Access

 £̶2̶5̶0̶ ̶+̶ ̶V̶A̶T̶
Early Summer rate
£225
+ VAT

Until July 10 2025

Full Festival access

All speakers + workshops

All unconference sessions

All product demonstrations

Tours of Harwell Campus

Networking activities

Evening party

Festival magazine

Free train-station shuttles

Vegetarian lunch, snacks, tea/coffee, light dinner

VIP networking breakfast

VIP lunch reception

Entry in the festival handbook

VIP

£̶3̶5̶0̶ ̶+̶ ̶V̶A̶T̶
Early Summer rate
£325
+ VAT

Until July 10 2025

Full Festival access

All speakers + workshops

All unconference sessions

All product demonstrations

Tours of Harwell Campus

Networking activities

Evening party

Festival magazine

Free train-station shuttles

Vegetarian lunch, snacks, tea/coffee, light dinner

VIP networking breakfast

VIP lunch reception

Entry in the festival handbook

Includes 5 All-Access tickets

Team

£̶9̶9̶5̶ ̶+̶ ̶V̶A̶T̶
Early Summer rate
£945
+ VAT

Until July 10 2025

5 x Full Festival access

All speakers + workshops

All unconference sessions

All product demonstrations

Tours of Harwell Campus

Networking activities

Evening party

Festival magazine

Free train-station shuttles

Vegetarian lunch, snacks, tea/coffee, light dinner

VIP networking breakfast

VIP lunch reception

Entry in the festival handbook

Proof of Age Required

Under-25

£̶1̶5̶0̶ ̶+̶ ̶V̶A̶T̶
Early Summer rate
£120 + VAT

Until July 10 2025

Full Festival access

All speakers + workshops

All unconference sessions

All product demonstrations

Tours of Harwell Campus

Networking activities

Evening party

Festival magazine

Free train-station shuttles

Vegetarian lunch, snacks, tea/coffee, light dinner

VIP networking breakfast

VIP lunch reception

Entry in the festival handbook

Includes a ticket for THE FIX at half price

All Access - THE HEAT and THE FIX

£̶3̶7̶5̶ ̶+̶ ̶V̶A̶T̶
Early Summer rate
£340
+ VAT

Until July 10 2025

Full Festival access for both THE HEAT on September 19 and THE FIX, our health-tech festival on September 18 2025

All speakers + workshops

All unconference sessions

All product demonstrations

Tours of Harwell Campus

Networking activities

Evening parties

Festival magazines

Free train-station shuttles

Vegetarian lunches, snacks, tea/coffee, light dinners

VIP networking breakfasts

VIP lunch receptions

Entry in the festival handbooks

All ticket fees are subject to UK VAT at 20%, charged by the UK government and which does not benefit the organisers.

All tickets are subject to application and approval by the VOYAGERS team. You need to be working in or otherwise engaged in climate-tech in order to obtain a ticket. Tickets are non-refundable, but until September 12 2025 can be transferred to somebody else who works in climate-tech, subject to our approval (you will need to contact us at mariana@voyagers.io with details of the intended new ticket-holder).

THE HEAT is brought to you by VOYAGERS.io

Under-23 (Proof of Age Required)

Apply For Your Ticket

Team Festival Pass (5 tickets)

Apply For Your Ticket

VIP Festival Pass

Apply For Your Ticket

All Access Festival Pass

Apply For Your Ticket

The Heat is brought to you by VOYAGERS.io