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Successful Private Members' Bills:1983-84 to present

Published Tuesday, May 17, 2016

Private Members' bills gaining Royal Assent since 1983

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This list notes the titles and sponsoring Member of successful Commons and Lords private Members' bills (PMBs) since the 1983 general election.

House of Commons

In the House of Commons, there are three ways a backbencher can introduce a bill:

The Standing Order (SO) number links through to the relevant procedure governing the introduction of private Members' bills. 

House of Lords

Peers can also present private members bills in the House of Lords and, since 2015, there is also a ballot to determine order of introduction. If a bill completes its passage through the House of Lords, it requires a Member of the House of Commons to sponsor it in the Commons.


Government business has precedence in Parliament and the majority of bills considered by both Houses are Government bills. With limited time available for the consideration of PMBs, generally only bills with Government and cross-party support are successful.

The time allocated for PMBs is given in Standing Order No. 14 (9) which governs the arrangement and timing of public and private business: 

  • Private Members’ bills shall have precedence over government business on thirteen Fridays in each session to be appointed by the House.

For more information on procedure for public bills in Parliament, including the various types of PMBs, see the Commons briefing on Public Bills in Parliament.


The number of bills introduced (and those gaining Royal Assent) by Parliament is given in Summary of public bills introduced since 1997

The briefing on Ballot Bills in the Commons since 1997 lists the results of the Commons Members Bills Ballot and their subsequent progress. See the Ballot Bills FAQ webpage for the results of the 2016-17 ballot.


Any comments or corrections to the lists would be gratefully received and should be sent to: Parliamentary Information Lists Editor, Parliament & Constitution Centre, House of Commons, London SW1A OAA.



Commons Briefing papers SN04568

Author: Sarah Priddy

Topics: Legislative process, Parliament

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