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Architects Appointed for Locomotion’s New Building

Second collection building will create the largest display of rail vehicles in the UK.

AOC Architecture have been appointed by the Science Museum Group to start work on a £4.5m project to deliver a new collection building at Locomotion in Shildon.

Once complete, the facility will house up to 50 rail vehicles, bringing the total at Locomotion to 120 and creating the UK’s largest rail vehicle display, spread across the museum's two buildings.

The building is part of Locomotion’s £6m improvement programme to regenerate the museum’s historic site, with Durham County Council contributing £2.25m to support the delivery of the new building.

The architects will create a sustainable, low maintenance and low energy-usage building, which is sympathetic to the local area and accessible for visitors.

The final design will feature a lightweight, steel frame construction that will be open to the public and will house railway vehicles in a stable environment.  

Construction is due to start in April 2022 subject to planning permission being granted for the development, with work scheduled to be complete by early 2023.

AOC Architecture has been appointed after a competitive design tender which ran earlier in the year.

Plans for the new collections care facility at the Ashfield brownfield site, formerly occupied by a banana processing plant, were first announced in January and following the completion of a land transfer, the project can now proceed to the design and construction phase. 

The building will increase the number of rail vehicles on display from the Science Museum Group Collection to approximately 120 – creating the largest rail vehicle display in the country.

Sarah Price, Head of Locomotion said: “This is the most significant change to Locomotion since opening and it will create a more inviting presence that emphasises Locomotion’s pivotal role as a cultural cornerstone for the community.

“Access to Locomotion and the site’s historically significant collection will remain free for all visitors, helping us to create a lasting and meaningful legacy that celebrates the region’s globally important role as the birthplace of the railways.”

Locomotion is already home to famous vehicles from railway history such as the Deltic prototype and the original Sans Pareil which competed against Rocket in the Rainhill Trials of 1829.

The exact line-up of new vehicles travelling to the new building will be determined in the coming year, but for the first time, it will enable Locomotion to ‘theme’ displays and tell more comprehensive railway stories.

Cllr Simon Henig, Leader of Durham County Council, said: “County Durham has a proud railway heritage and we are equally fortunate to be home to Locomotion. It truly is a world-class museum that attracts hundreds of thousands of people each year, which in turn boosts our economy and ensures the county is firmly on the map as a visitor destination.

“The new building will enhance Locomotion’s offer further, drawing in even more people and helping the county’s tourism industry recover from the impact of the coronavirus pandemic.

“As a council we believe a thriving arts and heritage sector not only enriches the lives of our residents but is key to a prosperous economy and all the jobs and opportunities that brings. It is why we are delighted to be supporting this project and why we are committed to investing in culture and heritage as part of our long-term regeneration plans.”

Geoff Shearcroft, Director at AOC said: “We are delighted to be working with the SMG team to develop a low carbon, open museum store, creating new opportunities for the public to engage with the full diversity of the museum’s collection. Through its location and design, Locomotion’s newest building will help activate the surrounding landscape, enhancing biodiversity and improving public access to the museum site’s historic buildings and demonstration railway line.”

First opened in 2004, Locomotion remains a partnership with Durham County Council as well as a member of the Science Museum Group.

The new building is the largest in a series of regeneration projects planned for Locomotion in the run up to the historically significant bicentenary of the Stockton and Darlington Railway in 2025. This saw Locomotion No.1 set off from Shildon to haul the world’s first steam-powered passenger train.

These will include the refurbishment of the site’s historic Grade II-listed railway buildings and the relocation of Gaunless Bridge—one of the world’s first iron railway bridges created for the Stockton and Darlington Railway.

The new building is part of the National Railway Museum’s £55.3m Vision 2025 project, which will transform both museums in York and Locomotion, helping celebrate the past, present and future of the railways.


For more information, please contact:

Simon Baylis, 01904 686 299 /
Pam Porter, / 01904 685784

About Locomotion:

  • Locomotion offers visitors the chance to see highlights of the national collection of railway vehicles in Shildon—the world’s first railway town
  • Locomotion forms part of the Science Museum Group, along with the Science Museum in London, the Science and Industry Museum in Manchester, the National Science and Media Museum in Bradford and the National Railway Museum in York
  • Locomotion is a partnership between the Science Museum Group and Durham County Council, which is a major funder of the museum
  • Admission to Locomotion is free
  • Prior to Covid-19, Locomotion received more than 200,000 visitors each year and the development aims to grow this number to more than 250,000
  • For more information visit


About AOC:

  • AOC is a practice of architects and designers established in 2005.  Based in East London, the studio is best known for its public buildings and cultural institutions in historically and politically sensitive contexts. The practice collaborate with clients and their communities to develop new briefs for contemporary challenges. They create buildings, places and experience that are joyful and engaging
  • Completed projects include Somerset House Studios, the transformation of Grade I-listed former Inland Revenue offices into a contemporary arts centre; the Reading Room at Wellcome Collection; Spa School for young people with autism; and the Crafts Council Gallery
  • Current projects include the transformation of the V&A’s Museum of Childhood, Bethnal Green; the redevelopment of The National Archives’ brutalist icon in Kew; the Southwark Heritage Centre and Walworth Library; and a new community centre and library in Shinfield, Berkshire, won through an RIBA competition in 2018
  • AOC have built a reputation for the quality of their designs, winning RIBA, Design Museum Designs of the Year and New London awards.  The practice’s work has been internationally published and exhibited, including the British School at Rome, Royal Academy, V&A and Venice Biennale 2008

Part of the Science Museum Group