Following the death of Her Majesty, the Queen there will be a Service of Prayer and Reflection at Christ Church this Sunday evening (11th Sept) at 6pm. This will include hymns, readings and the opportunity to light candles and sign a book of remembrance. This is in addition to the normal services at Christ Church and St John's.
The Church of England website also has an on-line book of remembrance for people to sign if they wish which can be accessed via the link below.
Remembering Her Majesty The Queen | The Church of England