The Church is fortunate to be able to call upon a very active laity who take responsibility for running many successful parish organisations.

The Sunday School meets in the Memorial Chapel in church, leaving the main service at the first Hymn and re-joining it later on.  There is no Sunday School on the second Sunday of the month when all children are welcomed at the Family Service at 11.15 am.

The Youth Club for the 11+  age group meets on Sunday evenings during term time and offers a range of activities and outings. 

The branch of about 25 people meets monthly for coffee after the Wednesday 9.30am Communion service and also for afternoon and evening meetings, for Advent meditation and for Christmas celebration. Summertime events and outings are also part of the programme. The branch supports a number a charitable causes and provides welcomers at St. Albans Abbey.

St. Peter's has a fine peal of eight bells, presented in 1921 by Sir David and Lady Rutherford in memory of their son, Lt. David Rutherford, who was killed in Ireland in 1920. The bells are rung for the 9.30am Sunday service and for weddings by arrangement. The regular home tower ringers enjoy Wednesday practice nights when they often receive instruction from more experienced ringers from other local towers.

The Committee is responsible for all flower arrangements in church, week by week and at festivals. The cost of flowers is met either from donations or from wedding fees, supplemented from parish funds. The committee occasionally organise Flower Festivals, the proceeds being donated to a particular charity.

An open group which meets every Wednesday in the Parish Hall between 10 and 11.30am for social chat and coffee.

There are three House Groups which meet monthly on different days or evenings and all groups are led by lay people who meet regularly with the Vicar for teaching.  All the groups use as their Bible study over a season the same section of either the Old or New Testament with the aim of finishing roughly at the same time.  The sessions take the form of prayer, study and discussion.

An outreach group of some 40 older members of the community, some of whom are members of the congregation, which affords the opportunity to socialise and enjoy a variety of activities and
events. There is usually a summer outing each year and a Christmas dinner, which has been provided by the local BUPA hospital for the past few years.

A theatrical group which began in the late 1950's and for many years most members came from St. Peter's congregation. The group was set up to stage pantomimes but as it grew and became more ambitious it started to put on plays and musicals. Over the years,the fortunes of the Players fluctuated and gradually the number of members from St. Peter's became fewer. However, under the present chairmanship, the Players have seen a tremendous revival and have had a great success in 2000 with their production in Church of Jesus Christ Superstar followed by Sweeney Todd in 2001,  Joseph and the Amazing Technicolour Dreamcoat in 2002, Children of Eden in 2003, Sleeping Beauty in 2005 and Babes in the Wood in 2007.