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.

The McAlpine guys were brilliant because they were working under lights just about 24/7 producing the most beautiful industrial choreography you’ve ever seen. It was like Tonka Toy heaven seeing up to 60 guys working in machines. It was like a fantastic dance as they rebuilt a 1.5million tonne hillside and put stabilisation in within something like six weeks. It was amazing!
Sir Tim Smit Co-Founder, Eden Project

Expertise

Record-breaking

The scaffold used to construct the biomes was the biggest that had ever been built, with 230 miles of poles.

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.

Future-proofed offices

We constructed The Eden Institute offices space with recyclable materials and environmentally friendly products.

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.

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, assailers 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

Construction News: Quality in Construction Awards

Project of the Decade (2007)
BCIA Awards

Major Project of the Year (2001)
BCIA Awards

Best of the Best Building Project (2001)

Leisure projects

Transforming Alnwick Garden to its former glory

Our civil engineering and construction capabilities transformed a derelict 12-acre garden within the grounds of Alnwick Castle.

Sectors: Leisure

Region: North East

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Building Xscape in Milton Keynes

Featuring one of the largest real snow ski slopes in the UK, Xscape Milton Keynes was the first of its kind to be built in Europe.

Sectors: Leisure

Region: Midlands

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Refurbishing Wentworth Leisure Centre, Hexham

A modern, sustainable, refurbishment project giving back to the local community.

Sectors: Leisure

Region: North East

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