Your Politics Guide

• Democratic Mandate — The House of Commons draws its authority from the fact that MPs are directly elected by the public. This gives the Commons democratic legitimacy that the unelected Lords does not possess. As a result, the Commons is regarded as the primary chamber, despite being referred to as the "lower house."
• Control over Financial Matters — The Commons has exclusive control over taxation and government spending. Under the Parliament Act 1911, the Lords cannot amend or reject money bills. A money bill sent to the Lords must receive Royal Assent within one month, whether or not the Lords approves it. This means the government's budget and financial legislation are entirely within the control of the elected chamber.
  
  Case Study — The People's Budget (1909): Chancellor Lloyd George proposed a radical budget that included new taxes on the wealthy to fund social welfare programmes. The House of Lords, dominated by Conservative hereditary peers, rejected it. This constitutional crisis led directly to the Parliament Act 1911, which permanently removed the Lords' power to block financial legislation.
• Confidence and Supply — Only the House of Commons can remove a government from power through a vote of no confidence. If the government loses such a vote, it must resign or call a general election. The House of Lords has no role in this process, meaning the Commons alone determines whether a government can continue in office.
  
  Case Study — James Callaghan (1979): Prime Minister Callaghan's Labour government lost a vote of no confidence by a single vote (311 to 310). This triggered a general election, which was won by Margaret Thatcher's Conservative Party. This remains the last time a government has been removed through a Commons no confidence vote.
• The Parliament Acts (1911 and 1949) — The Parliament Act 1911 removed the Lords' ability to veto legislation, replacing it with a power to delay bills for up to two years. The Parliament Act 1949 further reduced this delaying power to just one year. Under these acts, if the Commons passes the same bill in two successive sessions and the Lords rejects it both times, the bill can be presented for Royal Assent without the Lords' approval.
  
  Case Study — The Hunting Act (2004): The Labour government's ban on fox hunting with dogs was fiercely opposed by the House of Lords. After the Lords repeatedly blocked the bill, the government invoked the Parliament Act 1949 to force the Hunting Act into law without the Lords' consent. This was only the fourth time in history the Parliament Acts had been used.
• The Salisbury Convention — Under the convention, the House of Lords does not oppose legislation that was included in the governing party's election manifesto. This convention originated after the 1945 general election, when the Conservative-dominated Lords accepted that Labour's landslide victory gave the government a mandate to implement its manifesto commitments. This means that the Lords effectively cannot block the core legislative programme of an elected government.

• Power to Delay Legislation — Although the Lords cannot permanently block most bills, it can delay non-money bills for up to one year under the Parliament Act 1949. This delaying power can be significant, especially towards the end of a parliamentary session or in the final year before a general election, when time pressure makes it difficult for the government to reintroduce the bill.
• Power to Amend Legislation — The Lords plays a crucial role in revising and improving legislation. It can propose amendments to bills, which are then sent back to the Commons for consideration. This process, known as "parliamentary ping-pong", can go back and forth between the two chambers until agreement is reached. The expertise of many Lords members means that their amendments often improve the technical quality of legislation.
  
  Case Study — The EU (Withdrawal) Act (2018): During the passage of the Brexit withdrawal legislation, the House of Lords made 15 amendments to the bill, including a requirement for a "meaningful vote" by Parliament on the final Brexit deal. The government was forced to accept some of these amendments, demonstrating the Lords' ability to shape major legislation even when the government has a Commons majority.
• Scrutiny and Expertise — The Lords provides detailed legislative scrutiny, often drawing on the specialist knowledge of its members. Life peers include former ministers, senior judges, military leaders, scientists, business leaders, and academics. This expertise allows the Lords to examine legislation in ways that the more politically focused Commons may not.
  
  Case Study — The Health and Care Act (2022): The House of Lords, which includes numerous former health professionals and NHS leaders, made significant amendments to the government's health and care legislation. Lords with direct experience in the healthcare sector were able to scrutinise the practical implications of the proposed reforms in considerable detail.
• Holding the Government to Account — Like the Commons, the Lords can question government ministers and hold debates on public policy. Lords debates are often considered more detailed and less adversarial than those in the Commons, as members are not under the same pressure to support their party or appeal to voters.
• Defeating the Government — The government does not have a guaranteed majority in the Lords, which means defeats are far more common than in the Commons. During the 2017–2019 Parliament, the government suffered over 100 defeats in the Lords. These defeats do not remove the government from office, but they force the government to reconsider its legislation and can generate significant political pressure.
  
  Case Study — Tax Credits (2015): The House of Lords voted to delay the government's proposed cuts to tax credits, despite the convention that the Lords does not usually block financial measures. The government argued this breached convention, but the Lords insisted the changes were contained in a statutory instrument (secondary legislation) rather than a money bill, meaning the Parliament Acts did not apply. The government ultimately abandoned the cuts.

Arguments that the Commons is more powerful

• Democratic legitimacy: The Commons is the only elected chamber, giving it the authority to claim that it speaks for the people. The Lords lacks this mandate, which undermines its ability to challenge the Commons on politically sensitive issues.
• Parliament Acts: The Parliament Acts 1911 and 1949 give the Commons the legal power to bypass the Lords entirely. Although this power has been used rarely (only seven times), its existence ensures that the Lords cannot permanently block the will of the elected chamber.
• Financial supremacy: The Lords has no power over money bills. This gives the Commons exclusive control over the most important area of government policy — taxation and public spending.
• Salisbury Convention: The Lords is bound by convention not to block manifesto commitments, which further limits its ability to challenge the government's core legislative programme.
• Government formation: Only the Commons determines which party forms the government and can remove it through a vote of no confidence. The Lords plays no role in government formation or removal.

Arguments that the Lords retains significant influence

• Government defeats: The government is defeated far more frequently in the Lords than in the Commons. Between 1999 and 2024, the government suffered hundreds of defeats in the Lords, forcing it to reconsider or amend legislation on numerous occasions.
• Expertise and revision: The Lords' specialist membership means it often improves the quality of legislation. Government ministers have acknowledged that Lords amendments frequently identify flaws and improve bills.
• Delaying power: The ability to delay legislation for up to a year can be politically significant, particularly near the end of a parliamentary session. This creates pressure on the government to compromise rather than risk losing the bill entirely.
• Secondary legislation: The Lords retains the power to reject secondary legislation (statutory instruments), which does not fall under the Parliament Acts. As the Tax Credits case in 2015 demonstrated, this can force the government to abandon policies.
• Independence from the whip: Many Lords members, particularly crossbenchers, are not tied to any political party. This independence means they can vote on the merits of legislation rather than following party instructions, which can make the Lords less predictable and harder for the government to control.
  
  Case Study — Crossbench Peers: Crossbenchers make up around 20% of the Lords and include individuals appointed for their expertise rather than political affiliation. Their votes are often decisive in close divisions, and they cannot be whipped by any party, making them a genuinely independent force in the legislative process.