We are proud to announce that Design Rationale Ltd  has been named Contractor of the Month  by Mace this  November recognising our outstanding performance in quality, health & safety, and project management for the Heathrow Terminals 5  projects .This achievement reflects the hard work and dedication of every member of our team, and our continued commitment to delivering excellence across every package we deliver. The celebrations don’t stop there, On the Heathrow Terminals 3

At Design Rationale, quality is not just a promise, it’s a process. Every project we undertake is backed by rigorous inspection and uncompromising standards to ensure that the materials installed meet the highest level of performance and aesthetics. Take a recent project of ours supplying Architectural Metalwork Cladding as an example. During our recent visit to Rimex Metals UK, we inspected the Mill Finish Stainless Steel panels prior to Shot blasting to ensure that there we

Location Hatfield, Hertfordshire, UK. About the Business Design Rationale are delivering high-quality architectural metalwork and glazing solutions on complex projects. We combine solid engineering with architectural detail, working on everything from bespoke steel and aluminium fabrications to high-performance glazing systems. Projects are taken from early design and budgeting right through to manufacture and installation. The team is stable, professional and collaborative,

At Design Rationale , we’re proud to join the industry in celebrating Quality Week -a time to reflect on the importance of quality in everything we do, particularly within the construction sector. Quality isn’t just a target for us; it’s a culture that drives how we design, collaborate, and deliver. In recent months, we’ve seen an encouraging increase in factory visits and inspections carried out by our Quality Managers and Project Managers . This hands-on approach is alread

At Design Rationale, we believe wellbeing thrives when teamwork, creativity, and a touch of fun come together. For Octobers event,  our team swapped working stations for a new kind of challenge , An Escape Room adventure designed to boost wellbeing, collaboration, and connection. Teams came together to crack codes, solve riddles, and uncover hidden clues - all while racing against the clock. The room was filled with laughter, teamwork, and plenty of “aha!” moments as colleagu

We are proud to announce that we’ve been awarded a Health & Safety Award by Mace, for our outstanding performance on the Heathrow Terminal 5 project. As a bespoke architectural glass and metalwork subcontractor, safety is at the heart of everything we do from design and fabrication to installation. This recognition highlights our team’s unwavering commitment to maintaining the highest standards of health, safety, and wellbeing on site. The award reflects the dedication and pr

At Design Rationale, our pursuit of excellence in bespoke architectural glass and metalwork is underpinned by the strength of our long-standing partnerships. One of our most valued and enduring collaborators is LS Fabrications, based in Welwyn Garden City. We recently had the pleasure of revisiting their facilities a site that has become a cornerstone in the realisation of many of our most ambitious projects. Our partnership with LS spans over three decades, during which time

U pholding Our Pledge to Sustainability, Safety, and Exemplary Construction Standards At Design Rationale, we hold steadfast to the belief that exceptional design must be intrinsically linked with environmental stewardship and the safeguarding of human well-being. It is with great pride and a sense of earnest responsibility that we announce our attainment of the ISO 14001 (Environmental Management) and ISO 45001 (Occupational Health and Safety) certifications-internationally

💚 World Mental Health Day 2025 💚 Today, on World Mental Health Day, We are  reminded that looking after our mental wellbeing is just as...

At Design Rationale Ltd, our commitment to excellence extends beyond the realm of architectural glass and metalwork - it encompasses the...

At Design Rationale, we believe wellbeing is central to creating safe, productive and inclusive workplaces. In collaboration with Fit For...

Design Rationale, we are experts in bespoke architectural glass and metal solutions, and our recent project at Principal Place , London...

This September, the Design Rationale team gathered for a spirited Table Tennis Challenge. Colleagues were divided into two groups, with...

In 2013 we were engaged to clad the Helical Staircases at Finsbury Park Station, a key element of the TFL Wells Terrace regeneration...

At Design Rationale Ltd, we believe wellness should be as fun as it is beneficial and this month’s challenge proved just that! For...

We would like to take a moment to congratulate Louie Tigwell and Jason Brown of Design Rationale on delivering an excellent presentation...

At Design Rationale, Quality and Compliance secures our strength in the market. At Design Rationale, we ensure that every piece of our...

We’re proud to congratulate Trevor Parkhouse  on receiving a Quality Award from  Mace for his exceptional work at Heathrow Terminal 4. As...

Notably, the claddings At Gass Hall Exhibition Birmingham museum  were sketched by hand by Simon Rivers-Bland ,  who is renowned for his...

At Design Rationale HQ we brought a spirited twist to team wellness with a competitive darts challenge. Colleagues stepped up to the oche...