Celebrating 33 Years of Innovation, Craftsmanship, and Collaboration

June 2025: A Milestone for Design Rationale

This June marks a significant chapter in the story of Design Rationale: 33 years of transforming bold architectural visions into striking reality. Since 1992, we’ve been proud to deliver exceptional architectural glass and metalwork solutions for some of the UK’s most important public and private spaces.

From intricate bespoke systems to high-performance, security-driven installations, DRL has built a reputation on three enduring pillars: innovation, craftsmanship, and collaboration.

Who We Are

Founded in 1992, Design Rationale started as a small, specialist firm with a passion for architectural excellence. Over the decades, we’ve grown into a trusted name among architects, developers, contractors, and engineers across the UK. Our strength lies in delivering bespoke glass and metalwork solutions that balance aesthetic ambition with structural integrity.

What sets DRL apart is our ability to solve complex design challenges and support our clients from concept to completion. Every project we take on is tailored, thoughtful, and driven by a team of experts who are as committed to the process as they are to the final product.

A Meaningful Milestone

Turning 33 is more than just a number - it’s a testament to the people, partnerships, and projects that have shaped our journey. Through three decades of industry shifts and technological advancements, one thing has remained constant: our belief that great architecture is built on strong relationships and attention to detail.

We’ve worked alongside leading architects, major contractors, and public institutions, consistently pushing the boundaries of what’s possible with glass and metal. Whether it's a major infrastructure upgrade or a high-security civic space, we approach every job with precision, professionalism, and pride.

Our Legacy in Projects

Our portfolio tells a powerful story - one of collaborative innovation and engineered beauty. Just a few highlights from our journey include:

• Tottenham Court Road & Crossrail Stations

• London Blackfriars Bridge

• Moorgate and Finsbury Park Stations

• Gatwick South Terminal & Heathrow Baggage Hall Refurbishment

• Kings Cross & Liverpool Street Shopfronts

• Oxford Circus Refurbishment

• Security Glazing at a Grade A-Listed Parliament House

• Ballistic and Blast-Resistant Installations across Airports

  
  

From iconic public transport hubs to ASIAD-compliant, ballistic-engineered solutions for sensitive infrastructure, our work continues to support function, form, and safety in equal measure.

Our People: The Foundation of Our Success

Every success story begins with great people. At DRL, we’re proud to celebrate a team of engineers, project managers, manufacturers, designers, admin staff, and site operatives who bring their expertise and dedication to every task, every day.

Whether on-site or in the office, their combined effort has made 33 years of excellence possible. Their passion fuels our momentum and inspires every future project we pursue.

Looking Ahead

While we pause to reflect on this milestone, we remain firmly focused on what’s next. The architecture and construction landscape continues to evolve - and so do we.

From embracing sustainable practices to leveraging new materials and technology, DRL remains committed to delivering innovative, secure, and beautiful architectural solutions for decades to come.

With the lowest ROSPA rate in our category and a growing legacy of ASIAD-compliant, high-security installations, we’re more prepared than ever to face the future.