COMMUNITY 

Planet Mark
Sustainability Summit

Plants, glass roof and walkway in the Barbican Conservatory

Barbican Conservatory · Photo: Max Colson

DATE

Tuesday, 3 November 2026

TIME

10:30AM – 5PM

PLACE

Barbican Centre, London

For eight years, the Planet Mark Awards celebrated our community and those driving continuous positive change. Now, we’re building on that legacy with the Sustainability Summit, a daytime event incorporating interactive sessions, engaging learning experiences, and meaningful networking.

Taking place on November 3rd, the Summit brings together expert-led discussions and powerful stories from our Award winners and the impactful work of our Planet Mark Members. Attendees will exchange ideas and learn from shared challenges, ensuring valuable takeaways for all.

We’re delighted that the Summit is taking place at the Barbican Centre, one of the UK’s architectural treasures and one of the world’s leading arts centres. The majestic Barbican Conservatory will be open to attendees to explore its vibrant collection of 1,500 species of plants and trees.

Our sponsors

Download our Planet Mark Summit Sponsorship Pack to find out how your organisation can get involved. 

Your Summit, your day

Shape your day around the conversations, ideas and connections that matter to you.

With a choice of sessions throughout the Summit, create an agenda that reflects your interests and the decarbonisation challenges you’re working on. Explore practical approaches, learn from shared experiences and take away ideas to help your organisation move forward.

My Agenda

A day shaped around you

09:30   CONNECT

Welcome & connections

Start the day with your community

11:00   INSPIRE

Ideas into action

Explore practical carbon reduction

14:00   SHARE

Learning from each other

Exchange challenges and experiences

Illustrative agenda — sessions and times to be confirmed.

Award Categories

Smiling Woman Inspecting Peppers Growing In Greenhouse

Sustainability Changemaker

Celebrating an individual who has made a measurable difference to the people and places around them, whether by inspiring action, challenging the status quo, embedding sustainability into decision-making or solving a problem in an unexpected way.

Daniel Funes Fuentes Tylw3iqalms Unsplash

Action and Innovation Award

Recognising a project, initiative or campaign that has delivered meaningful positive impact through engagement, communications, events, construction, retrofit, infrastructure or energy-efficient design.

Happy Businesswoman Attending A Seminar In Board Room

Business Impact Award

Celebrating meaningful emissions reductions underpinned by accurate and reliable data. All Planet Mark Members are automatically entered into this category, with winners determined by analysing the data used to calculate their annual footprint.

Getting to the Barbican

Join us at the Barbican Centre in the heart of London.

Barbican Centre
Silk Street
London EC2Y 8DS

The Barbican is accessible by public transport, on foot and by bicycle. Plan your route using the map, or visit the Barbican website for travel directions and entrance information.

Travel directions and entrance information
Accessibility information

Planet Mark
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