The Arches Project is a design-led urban strategy that aims to activate disused spaces across London and the UK. Boano Prišmontas designed a digitally fabricated structural system that adopts dry-joint techniques to infill and make use of a wide range of abandoned pocket spaces such as railway arches, undercrofts, and multi-story car parks. The aim of this project is to create a kit of parts that can be easily assembled and eventually redeployed. The project’s value lies in its nomadic, temporary and sustainable approach. Boano Prišmontas seeks to work in synergy with developers and councils for short and mid-term urban regeneration strategies, to support the quick creation of affordable workspaces for local businesses and startups.

The structure is designed to challenge the standard way in which the Network Rail (now the Arch Company) fits-out the rented Arches. With a cost of roughly £10K, they only provide a set of neon lights and a corrugated plastic lining, which doesn't improve the thermal quality of the space. Since only the certified installers are allowed to directly fix the lining onto the listed brick vaults, Boano Prišmontas worked around this constraint to design a freestanding self-buildable plug-in space, a room-within-a-room that is built by expanding its shape as much as possible to infill the vault of an arch.