Cullinan Studio is a distinguished architectural and masterplanning practice, founded by Edward 'Ted' Cullinan in 1965. Operating as an Employee Benefit Trust, the studio champions a collaborative and democratic approach to design, with a strong emphasis on environmental sustainability and social responsibility. Their diverse portfolio spans education, housing, healthcare, cultural buildings, and urban design, consistently delivering contextually sensitive and people-focused architecture. The practice is known for its pioneering work in low-energy design and creating buildings that foster community and well-being.
The London headquarters serves as the primary design studio, administrative center, and collaborative hub for Cullinan Studio's architectural and masterplanning projects. It's where creative concepts are developed, projects are managed, and the cooperative ethos of the practice is nurtured.
The Foundry, designed in-house by Cullinan Studio, is an exemplar of sustainable architecture. It features a distinctive timber frame, passive ventilation, excellent natural light, rainwater harvesting, and was one of the UK's first BREEAM 'Excellent' rated buildings. It also provides space for other like-minded organizations.
The work culture at Cullinan Studio is deeply rooted in its cooperative structure (Employee Benefit Trust). It fosters a democratic, collaborative, and supportive environment where all employees have a voice. There's a strong emphasis on shared learning, ethical practice, and a commitment to designing buildings that positively impact people and the planet.
The Foundry is highly significant as it embodies Cullinan Studio's core values of sustainability, collaboration, and innovative design. It serves not only as their operational base but also as a tangible demonstration of their architectural principles and a welcoming space for partners and the community.
While Cullinan Studio is headquartered in London, their architectural influence and projects extend internationally. They have experience working in various global contexts, adapting their sustainable and collaborative design approach to different climates, cultures, and regulatory environments. Global project support typically involves their London-based team collaborating with local expertise and undertaking site visits as required.
The Foundry, 5 Baldwin Terrace
London
England
United Kingdom
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As of April 2025, Cullinan Studio' leadership includes:
Cullinan Studio has been backed by several prominent investors over the years, including:
No major executive hires or departures at Cullinan Studio have been publicly announced in the last 12 months. As an employee-owned practice, leadership transitions often occur through internal development and appointments which may not always be widely publicized externally.
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Cullinan Studio commonly uses a [first_initial][last_name]@cullinanstudio.com email format for its employees. This is a standard professional email structure.
[first_initial][last_name]@cullinanstudio.com
Format
ccostello@cullinanstudio.com
Example
90%
Success rate
cullinanstudio.com • 2024-05-15
Cullinan Studio announced they will be opening The Foundry, their self-designed sustainable office, to the public as part of the London Festival of Architecture in June 2024. The event will offer visitors a chance to explore the building and learn more about the practice's work....more
cullinanstudio.com • 2024-02-28
Cullinan Studio, along with partners Camden Council and Hill Group, marked a significant milestone with the topping out ceremony for Phase 1C of the Agar Grove regeneration project. This phase continues the development of one of the UK's largest Passivhaus schemes....more
Architects' Journal • 2023-11-01
Cullinan Studio has received planning permission for a 150-home Passivhaus development on the edge of Dartington in Devon. The project, known as Brimhay, is designed for community land trust Pioneer Living....more
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