The House of Lords: Composition, Role, and Reform

The House of Lords is the unelected second chamber of the UK Parliament. Its composition, powers, and democratic legitimacy are among the most debated issues in British politics. This lesson examines the Lords' current role and evaluates its effectiveness and the case for reform.

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Current Composition

Following the House of Lords (Hereditary Peers) Act 2024, the Lords is composed of:

• Life peers — appointed under the Life Peerages Act 1958. They serve until death (though they may retire under provisions introduced in 2014). Life peers include former politicians, business leaders, academics, lawyers, military leaders, and others with distinguished careers.
• Lords Spiritual — 26 senior bishops of the Church of England.
• Crossbenchers — independent peers who do not take a party whip. They include many experts and former public servants.

Size: Over 700 active members, making it one of the largest legislative chambers in the world.

Political balance: No single party has a majority in the Lords. The Conservatives, Labour, Liberal Democrats, and Crossbenchers are the largest groups. This means the government must persuade, not simply outvote, the Lords.

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Powers of the House of Lords

Power	Detail
Legislative scrutiny	The Lords examines all bills, proposes amendments, and sends them back to the Commons
Delaying power	Under the Parliament Acts, the Lords can delay non-money bills for up to one year
Money bills	The Lords can delay money bills for only one month and cannot amend them
Secondary legislation	The Lords can reject (but rarely does reject) statutory instruments
Select committees	The Lords runs prestigious committees that conduct inquiries and publish influential reports

What the Lords Cannot Do

• Cannot block legislation indefinitely (the Parliament Acts ensure the Commons has the final say).
• Cannot vote down manifesto commitments of the governing party (the Salisbury Convention).
• Cannot amend money bills.
• Cannot initiate money bills.

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How the Lords Exercises Influence

Despite its limited formal powers, the Lords can be surprisingly influential:

1. Legislative Amendments

The Lords proposes hundreds of amendments to government bills each session. Many are accepted by the government — sometimes because they improve the legislation, sometimes because the government wants to avoid a political fight. Lords amendments often focus on technical quality, human rights compatibility, and constitutional propriety rather than partisan politics.

Example: During the passage of the Illegal Migration Act 2023, the Lords made multiple amendments related to modern slavery protections and the rights of unaccompanied children. The government was forced to respond to each amendment, even though it ultimately overturned most of them.

2. The Power of Delay

Even though the Lords can only delay legislation, the political cost of invoking the Parliament Acts is high. Governments prefer to negotiate compromises rather than use the Parliament Acts, which have been invoked only seven times (most recently for the Hunting Act 2004).

3. Persuasion and Public Debate

Lords debates are often substantive and well-informed, attracting media attention and shaping public discourse. The expertise of peers gives their contributions credibility.

4. Select Committees