Northern Line Extension, Battersea
- Client: Catalyst Engineering Ltd
- Main Contractor: GRC UK
- Arcitect: Grimshaw
- Engineers: Bryden Wood
PDS provided fabrication and GA drawings for Catalyst Engineering and Daver Steel to develop the structural steel frames that formed the ticket halls and escalator banks for the new stations at Battersea and Nine elms as part of the £1.1 Billion Northern Line Extension.