Lincoln's Inn Treasury Office

The Library Extension transformed the functionality and accessibility of the Inn's historic library estate, providing new reading, office and storage facilities while preserving the significance of the Grade I listed Hardwick and Gilbert Scott Library for the ceremonial and scholarly functions it is best placed to support.

Replacing an unsympathetic 1960s building to the north of the library, the three-storey extension has become an important addition to the estate. Designed to respond sensitively to its historic setting, the building complements the scale, character and materiality of the Great Hall and Library through a simple architectural form and high-quality, finely crafted materials.

Supporting a historic library

The extension delivered a new library reading room, additional office accommodation and substantial below-ground library storage, enabling the reorganisation of library functions across the estate and creating space for future growth.

By relocating support functions into the new building, the existing listed library was able to focus on the ceremonial and academic uses for which it was originally designed, ensuring its continued relevance while protecting its historic character.

Clear organisation and routes

A glazed link between the new and existing buildings created a clear and intuitive circulation route through the library complex, connecting four existing levels both above and below ground.

The project delivered a significant improvement in accessibility. For the first time, wheelchair users can move directly between the main first-floor library and the basement library stacks. Through the introduction of the new extension and a rationalised step-free circulation strategy, access to library collections increased from approximately 30% to more than 80%.

While working within the constraints of a complex historic building, the project substantially improved the experience of library users and created a more inclusive environment for future generations.

The completed extension enhances the long-term functionality of the Inn's estate, providing adaptable and efficient accommodation while respecting its historic context. The project achieved a BREEAM Very Good rating, reflecting the Inn's commitment to sustainable stewardship of its buildings and collections