Section 5 gave constables of the Metropolitan Police all "powers and privileges of constabulary" in the counties of Berkshire and Buckinghamshire and on the River Thames within or adjoining Middlesex, Surrey, Berkshire, Essex, Kent and the City of London (the MPA 1829 had already given them constabulary powers within Middlesex, Surrey, Essex and Kent).
The Act gave the police force powers over shipping arriving in the Port of London and using the Thames. Among these powers were:
Power to inspect vessels to prevent smuggling
Power to seize unlawful quantities of gunpowder
Powers to seize guns loaded with ball
A number of activities were to regulated within the Metropolitan Police District:
Fairs were only to be open during agreed hours.
Public Houses were to closed on Sundays, Christmas Day and on Good Friday until 1 pm. No alcoholic drink was to be sold to persons under 16 years of age.
Police were empowered to enter unlicenced theatres.
Police could enter premises where bear baiting or cock fighting were being carried on, and......