How can I reduce impact noise on staircases?

The best solution for reducing impact noise on stairs is to build the stairs in such a way that they are decoupled from the rest of the building.

In situations where the use of a building is being changed (as opposed to a new build) this may not be practical. In these circumstances Approved Document E (Resistance to the Passage of Sound) recommends treating the underside of the stairs with the following construction to reduce impact noise:

stair treatment