Designed by Foster Associates in the late 1970s, the Tetris A40 industrial and logistics distribution building in Greenford contains elements that are now listed due to their architectural and design value.

Assisting Jones Lang Lasalle in refurbishing the 246,802ft² facility to meet the expectations of the present day market, Watkins Payne updated the building engineering services to achieve an improved EPC without impacting on the listed areas.