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Thaliana Footbridge

RHS Harlow Carr, North Yorkshire
GAG 150

The Thaliana Bridge spans the Queen Mother Lake at the southern end of the RHS gardens, creating improved access, new routes and fresh views across the water. The project forms part of wider landscape proposals at the RHS site, including new lakeside gardens and strengthened tree planting to provide a buffer from the adjacent road.

The bridge design draws inspiration from the pioneering research of Dr Rachel Leech and her genome sequencing of Arabidopsis thaliana — the first plant to have its genome fully sequenced and now widely used as a model organism for plant research.

Measuring 21 metres long and 3 metres wide, the bridge is fabricated in weathering steel and pre-weathered larch. Images coming soon.

Awards

Yorkshire Structural Engineering Award

Services on this project

Architecture (0-7)
Lead Designer
Consultation & Engagement
Gaining Consents
Sustainability & Passivhaus
Visualisation
RIBA Stages 0 – 6
Stage 0 –The Initial Consultation

Defining the project’s purpose, business case, and initial advice.

Stage 1 –Preparation and Briefing

Developing the project brief, assembling the project team, and conducting site surveys

Stage 2 –Concept Design

Creating initial design concepts, sketch plans, 3D models, and early cost estimates.

Stage 3 –Spatial Coordination

Refining the design, including structural, MEP, and architectural details to achieve consents, such as planning permission.

Stage 4 –Technical Design

Preparing detailed technical drawings, specifications, and building regulations information.

Stage 5 –Manufacturing and Construction

Building the project, including off-site manufacturing and on-site construction.

Stage 6 –Handover

Finalising construction, testing, commissioning, and handing over the building to the client.

Although we’ve been designing far longer, 2026 marks 15 years since Gagarin was officially launched. After hundreds of projects and various awards, in some ways it feels like we’re just getting started. That’s because we’ve now got the expertise and confidence to win and fulfil the work we want most.