National Trust – Castlefield Viaduct

Branding a garden in the sky

The National Trust are doing something new with Castlefield Viaduct: an urban skypark on the iconic landmark floating above the Manchester skyline. After pitching against a number of international design agencies, O Street won the opportunity to design the visual identity for this garden in the sky.

 O Street Glasgow - Castlefield Viaduct in Manchester on a summer day. Group of people in an area with industrial architecture and nature. Photography by Jill Jennings

©Jill Jennings

Castlefield Viaduct aims to drive excitement for the local area, drawing visitors in to experience the unique location and all of its wildlife, infrastructure, and heritage. It will initially open as an 8 month public engagement exercise: the first half of  the viaduct will be blooming with thousands of flowers, bushes, and plants. Local stakeholders and visitors will then get the opportunity to shape the future of Castlefield Viaduct, by deciding what should happen to the remaining half of the site.

O Street Castefield Viaduct in Manchester's Visual Identity on wall treatment. Includes nature and architecture illustrations in the branded colour palette. Photography by Jill Jennings

©Jill Jennings

O Street Glasgow National Trust - Castlefield Viaduct visual identity in poster signage format. White poster with people illustrated. Teal Poster with nature illustration.

We  designed the skypark’s visual identity to exist within the existing National Trust brand family, while  standing as a brand in its own right. It will be applied to way-finding signage, on-site applications, and visual guides for the event space and garden plots.

O Street Glasgow - National Trust Castlefield Viaduct Brand Identity in Manchester. Large white banner on a red brick structure.

A project of this scale required a dream team to put it all together.  While we focused on visual design development, Creative Concern nailed the local knowledge, copywriting & project management, and Stuco brought the 3D production expertise to the team.

O Street Glasgow National Trust - Manchester Castlefield Viaduct branding. Teal speech bubble on industrial architecture with the text: We're bringing new life to the viaduct. Photography by Jill Jennings

©Jill Jennings

We kicked off the project with a site visit to get to know the viaduct, while Creative Concern hosted workshops with local stakeholders. We sensed quite a lot of conflicting ideas at play on the site: a mix of wild and manicured; natural and industrial; quiet and loud; history and future. So we knew we wanted to represent this complexity within Castlefield Viaduct’s brand identity.

O Street Glasgow - National Trust Castlefield Viaduct -directional signage in brand identity.

For the illustration side of the branding, we worked with local urban artist Josephine Hicks. A street artist and illustrator influenced by architecture, people, and botanicals, Josephine was perfect for the project. Together we created collage illustrations that combined industrial buildings, local people, and plants that National Trust planned to grow on-site.

National Trust Castlefield Viaduct Brand development by Scottish Design Agency, O Street. Botanical paintings by Josephine Hicks. National Trust Castlefield Viaduct - Visual Identity and branding by O Street Glasgow Design Agency. Botanical and nature illustrations with text: What could Castlefield Viaduct become?

The colours for the brand were selected from the National Trust palette, with the inclusion of a teal that featured predominantly on-site, leftover from the old tramline branding.

Castlefield Viaduct Poster on Manchester Metrolink Tram Stop. Campaign and Brand Identity by Scottish Design agency, O Street.

©Transport for Greater Manchester

On our first site visit, we realised that the viaduct—positioned right above tramlines, traffic, and canals—is quite noisy. But we were able to exploit the well-trodden adage ‘the solution is in the problem,’ inviting another long term O Street collaborator and soundscape artist Tommy Perman to turn the viaduct itself into a musical instrument. Using sounds recorded on-site, like birdsong and the rumbling of trains, Tommy created a wonderful soundscape to be played on speakers hidden around the viaduct. There are plans for this  on-site soundscape  to be released on vinyl.

National Trust Castlefield Viaduct Speaker Soundscape

©Jill Jennings

After ironing out the details, we applied the designs to a range of onsite applications, including directional finger signage, chalk stencils around the city, interpretation panels, and dressing the event space. 

Directional Walking Signage Pole with branded Castlefield Viaduct arrow. Branding and Visual Identity by O Street Design Agency based in Glasgow, Scotland.

We were able to give Castlefield Viaduct a unique personality whilst keeping it within the National Trust’s established and well-respected brand family. We’re excited to see how the public engages with the viaduct and their visions for the next phase of the project.

National Trust Castlefield Viaduct Visual Identity by O Street, Glasgow. Decal on reflective mirror surface showing industrial architecture and lush foliage with text: reflect on your visit.

The National Trust re-opened the skypark in February 2023 after a winter break. Free advance tickets can be booked here. 

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