Church of St Laurence, Upminster Church of St Laurence, Upminster The church of St Laurence, Upminster, is the Church of England parish church in Upminster, England. It is a Grade I listed building. It is the historic minster or church from which Upminster derives its name, meaning 'upper church', probably signifying 'church on higher ground'. The place-name is first attested as 'Upmynster' in 1062, and appears as 'Upmunstra' in the Domesday Book of 1086. Alice Perrers, mistress of King Edward III, was buried in the church or churchyard in 1400. There is no memorial to mark her grave. She had three illegitimate children by the
Alice Perrers had no children. Though Perrers was given many gifts and land grants from Edward, her financial success was largely earned. Some contemporaries claimed that she had seduced a senile king to gain property and goods, but most of her acquisitions were owed to her intelligence, business acumen, and use of contacts, and she became a wealthy landowner. So successful was she that at the height of her power she controlled 56 manors, castles and town houses stretching over 25 counties of England from the north to the home counties. Only 15 of these were gifts from Edward. Among other properties,