Grey Concrete with Crystalline Stone Stair Treads

Harella House, Clerkenwell

Harella House, Clerkenwell

Situated on Goswell Road, this 1930’s warehouse and former clothing factory in London’s Clerkenwell now provides 3,107 m2 of flexible work-space over six floors. 

In 2017 Piercy and Co approached MASS Concrete to explore concept finishes.  Fast forward to the tail end of 2019, and a main contract managed by BW, MASS Concrete manufactured stair treads, floor and wall panels, all using an imported sparkling White marble from a specific Greek island, to this stunning feature terrazzo-feel reception space.

The refurbishment of Harella House has resulted in an environmental upgrade and BREAAM rated Excellent. 

Project Team:
BW, Main Contractor 
Piercy & Co

Photo Credits:
Jack Hobhouse


Products Used:
- Discover the Versatility and Strength of our Concrete Wall Panels
- Unveiling the Durability and Design Potential of Concrete Floor Panels
- Elevating Design and Safety: Concrete Stair Treads Unveiled
- Elevating Spaces: Exploring the Beauty and Versatility of Concrete Surfaces
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Samples used
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Whatever the colour of concrete, you can reply on MASS to create it for you. 

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