Zuylestein was naturalised in England on 11 May 1689, and was appointed master of the robes to the king on 23 May, holding the post down to 1695.
On 10 May 1695, Zuylestein was created Earl of Rochford, together with the subsidiary titles Baron Enfield and Viscount Tunbridge, and received a grant of part of the estates of William Herbert, 1st Marquess of Powis.