- Client: Eden Project Ltd
- Sectors: Major Projects, Leisure
- Value: £40m
- Location: South West
- Services: Pre-Construction, Construction Support
- Completion date: 2006
From disused clay pit to a world-famous attraction
Chosen for our ability to construct the (near) impossible, we helped create one of the most ambitious gardens ever.
The Eden Project opened in 2001 to global acclaim – for its engineering, design and environmental credentials.
Part of the team that brought the attraction to life, we transformed what was a disused clay pit into the world’s largest indoor rainforest.
Constructing Eden's enormous geodesic domes required meticulous planning, 230 miles of scaffolding and a team of abseilers. We made sure sustainability, environmental design and waste management were built in every step of the way.
Since then, we’ve expanded facilities, creating an education centre and contemporary commercial office space.
A celebrated visitor destination, the Eden Project is now a key player in Cornwall’s economy, providing education and training across the region.
Summary
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Record-breaking
The scaffold used to construct the biomes was the biggest that had ever been built, with 230 miles of poles.
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Attracting investment
To bring the dream to life, we worked with project stakeholders and created a funding proposal. After brainstorming architectural and construction innovations, the biomes were proposed as a more cost-effective alternative to the original concepts.
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Future-proofed offices
We constructed The Eden Institute offices space with recyclable materials and environmentally friendly products.
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Preparing the land
Built on a disused clay pit, the site needed significant remodelling. After filling the quarry’s deeper parts, we moved and compacted 80,000m3 of fill to create the site’s dramatic crater profile.
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Constructing the domes
Eden’s biomes cover more than 2.2 hectares. Their sheer scale made them one of the project’s major construction challenges. To construct the domes, we used what was the largest birdcage scaffold in the world. And once up, abseilers scaled the sides to attach the inflatable panels.
Sustainability
As well as managing and segregating site waste, we worked to minimise our impact on the local environment, community and wildlife.
We reduced site pollution and impact on local roads through shared transport, batching site deliveries and routing of project traffic.
We sourced site contractors, equipment and materials from the surrounding area where possible.
We also developed a drainage system filtering water into a series of enormous tanks, which enables Eden to recycle 80% of its water.

Awards
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BCIA Awards
Major Project of the Year (2001)
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BCIA Awards
Best of the Best Building Project (2001)
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Construction News: Quality in Construction Awards
Project of the Decade (2007)