The easing of restrictions has seen an end to previous legal gathering limits and the requirement for social distancing. This confirms that there are no longer any limits on the number of people that can participate in, and spectate, hockey, both indoors and outdoors. It also removes the limitations on changing rooms, clubhouses, hospitality and domestic travel.

England Hockey Guidelines
Sonning Hockey Club recognises and supports the guidelines and material produced by England Hockey, and urges all members to read and understand the latest Return to Play guidance.
This summary from EH is very helpful.